middleware.test.js

import fs from "node:fs";
import path from "node:path";

import Hapi from "@hapi/hapi";
import { serve } from "@hono/node-server";
import connect from "connect";
import express from "express";
import expressOld from "express-4";
import fastify from "fastify";
import finalhandler from "finalhandler";
import { Hono } from "hono";
import koa from "koa";
import memfs, { Volume, createFsFromVolume } from "memfs";
import mime from "mime-types";
import router from "router";
import request from "supertest";

import { Stats } from "webpack";

import middleware from "../src";

import webpackMultiConfig from "./fixtures/webpack.array.config";
import webpackMultiDevServerFalseConfig from "./fixtures/webpack.array.dev-server-false";
import webpackMultiWatchOptionsConfig from "./fixtures/webpack.array.watch-options.config";
import webpackClientServerConfig from "./fixtures/webpack.client.server.config";
import webpackConfig from "./fixtures/webpack.config";
import webpackConfigImmutable from "./fixtures/webpack.immutable.config";
import webpackPublicPathConfig from "./fixtures/webpack.public-path.config";
import webpackQueryStringConfig from "./fixtures/webpack.querystring.config";
import webpackWatchOptionsConfig from "./fixtures/webpack.watch-options.config";
import getCompiler from "./helpers/getCompiler";

import getCompilerHooks from "./helpers/getCompilerHooks";

// Suppress unnecessary stats output
jest.spyOn(globalThis.console, "log").mockImplementation();

async function startServer(name, app) {
  return new Promise((resolve, reject) => {
    if (name === "router") {
      const server = require("node:http").createServer((req, res) => {
        app(req, res, finalhandler(req, res));
      });

      server.listen({ port: 3000 }, (error) => {
        if (error) {
          return reject(error);
        }

        return resolve(server);
      });
    } else if (name === "hono") {
      const server = serve(app, () => resolve(server));
    } else {
      const server = app.listen({ port: 3000 }, (error) => {
        if (error) {
          return reject(error);
        }

        return resolve(server);
      });
    }
  });
}

async function frameworkFactory(
  name,
  framework,
  compiler,
  devMiddlewareOptions,
  options = {},
) {
  switch (name) {
    case "hapi": {
      const server = framework.server();
      const hapiPlugin = {
        plugin: middleware.hapiWrapper(),
        options: {
          compiler,
          ...devMiddlewareOptions,
        },
      };

      const middlewares =
        typeof options.setupMiddlewares === "function"
          ? options.setupMiddlewares([hapiPlugin])
          : [hapiPlugin];

      await Promise.all(
        middlewares.map((item) => {
          const { plugin, options } = item;

          return server.register({
            plugin,
            options,
          });
        }),
      );

      await server.start();

      const req = request(server.listener);

      return [server, req, server.webpackDevMiddleware];
    }
    case "koa": {
      // eslint-disable-next-line new-cap
      const app = new framework();
      const koaMiddleware = middleware.koaWrapper(
        compiler,
        devMiddlewareOptions,
      );
      const middlewares =
        typeof options.setupMiddlewares === "function"
          ? options.setupMiddlewares([koaMiddleware])
          : [koaMiddleware];

      for (const item of middlewares) {
        if (item.route) {
          app.use(item.route, item.fn);
        } else {
          app.use(item);
        }
      }

      const server = await startServer(name, app);
      const req = request(server);

      return [server, req, koaMiddleware.devMiddleware];
    }
    case "hono": {
      // eslint-disable-next-line new-cap
      const app = new framework();
      const server = await startServer(name, app);
      const req = request(server);
      const instance = middleware.honoWrapper(compiler, devMiddlewareOptions);
      const middlewares =
        typeof options.setupMiddlewares === "function"
          ? options.setupMiddlewares([instance])
          : [instance];

      for (const item of middlewares) {
        if (item.route) {
          app.use(item.route, item.fn);
        } else {
          app.use(item);
        }
      }

      return [server, req, instance.devMiddleware];
    }
    default: {
      const isFastify = name === "fastify";
      const isRouter = name === "router";
      const app = framework();

      if (isFastify) {
        await app.register(require("@fastify/express"));
      }

      const instance = middleware(compiler, devMiddlewareOptions);
      const middlewares =
        typeof options.setupMiddlewares === "function"
          ? options.setupMiddlewares([instance])
          : [instance];

      for (const item of middlewares) {
        if (item.route) {
          app.use(item.route, item.fn);
        } else {
          app.use(item);
        }
      }

      if (isFastify) {
        await app.ready();
      }

      const server = await startServer(name, app);
      const req = isFastify
        ? request(app.server)
        : isRouter
          ? request(server)
          : request(app);

      return [isFastify ? app.server : server, req, instance];
    }
  }
}

async function closeServer(server) {
  // hapi
  if (typeof server.stop === "function") {
    return server.stop();
  }

  return new Promise((resolve, reject) => {
    server.close((err) => {
      if (err) {
        reject(err);

        return;
      }

      resolve();
    });
  });
}

async function close(server, instance) {
  return Promise.resolve()
    .then(() => {
      if (!instance.context.watching.closed) {
        return new Promise((resolve, reject) => {
          instance.close((err) => {
            if (err) {
              reject(err);
              return;
            }

            resolve();
          });
        });
      }
    })
    .then(() => {
      if (server) {
        return closeServer(server);
      }
    });
}

function get404ContentTypeHeader(name) {
  switch (name) {
    case "koa":
      return "text/plain; charset=utf-8";
    case "hapi":
      return "application/json; charset=utf-8";
    case "fastify":
      return "application/json; charset=utf-8";
    case "hono":
      return "text/plain; charset=UTF-8";
    default:
      return "text/html; charset=utf-8";
  }
}

function getContentTypeHeader(name, ext = "js") {
  return mime.contentType(ext);
}

function applyTestMiddleware(name, middlewares) {
  if (name === "hapi") {
    middlewares.push({
      plugin: {
        name: "myPlugin",
        version: "1.0.0",
        register(innerServer) {
          innerServer.route({
            method: "GET",
            path: "/file.jpg",
            handler() {
              return "welcome";
            },
          });
        },
      },
    });
  } else if (name === "koa") {
    middlewares.push(async (ctx, next) => {
      if (ctx.request.url === "/file.jpg") {
        ctx.set("Content-Type", "text/html");

        ctx.body = "welcome";
      }

      await next();
    });
  } else if (name === "hono") {
    middlewares.push(async (c, next) => {
      if (c.req.url.endsWith("/file.jpg")) {
        c.header("Content-Type", "text/html");
        c.status(200);

        return c.body("welcome");
      }

      await next();
    });
  } else {
    middlewares.push({
      route: "/file.jpg",
      fn: (req, res) => {
        // Express API
        if (res.send) {
          res.send("welcome");
        }
        // Connect API
        else {
          res.setHeader("Content-Type", "text/html");
          res.end("welcome");
        }
      },
    });
  }

  return middlewares;
}

function parseHttpDate(date) {
  const timestamp = date && Date.parse(date);

  // istanbul ignore next: guard against date.js Date.parse patching
  return typeof timestamp === "number" ? timestamp : Number.NaN;
}

describe.each([
  ["connect", connect],
  ["express", express],
  ["express-v4", expressOld],
  ["router", router],
  ["fastify", fastify],
  ["koa", koa],
  ["hapi", Hapi],
  ["hono", Hono],
])("%s framework:", (name, framework) => {
  describe("middleware", () => {
    let instance;
    let server;
    let req;

    describe("API", () => {
      let compiler;

      describe("constructor", () => {
        describe("should accept compiler", () => {
          beforeEach(async () => {
            compiler = getCompiler(webpackConfig);

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
            );
          });

          afterEach(async () => {
            await close(server, instance);
          });

          it("should work", (done) => {
            const doneSpy = jest.spyOn(
              getCompilerHooks(compiler).done[0],
              "fn",
            );

            instance.waitUntilValid(() => {
              instance.close();

              expect(compiler.running).toBe(false);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              done();
            });
          });
        });

        describe("should accept compiler in watch mode", () => {
          beforeEach(async () => {
            compiler = getCompiler({ ...webpackConfig, watch: true });

            instance = middleware(compiler);

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
            );
          });

          afterEach(async () => {
            await close(server, instance);
          });

          it("should work", (done) => {
            const doneSpy = jest.spyOn(
              getCompilerHooks(compiler).done[0],
              "fn",
            );

            instance.waitUntilValid(() => {
              instance.close();

              expect(compiler.running).toBe(false);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              done();
            });
          });
        });
      });

      describe("waitUntilValid method", () => {
        beforeEach(async () => {
          compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it("should work without callback", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");

          instance.waitUntilValid();

          const intervalId = setInterval(() => {
            if (instance.context.state) {
              expect(compiler.running).toBe(true);
              expect(instance.context.state).toBe(true);
              expect(doneSpy).toHaveBeenCalledTimes(1);
              expect(doneSpy.mock.calls[0][0]).toBeInstanceOf(Stats);

              doneSpy.mockRestore();

              clearInterval(intervalId);

              done();
            }
          });
        });

        it("should work with callback", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");
          let callbackCounter = 0;

          instance.waitUntilValid(() => {
            callbackCounter += 1;
          });

          const intervalId = setInterval(() => {
            if (instance.context.state) {
              expect(compiler.running).toBe(true);
              expect(instance.context.state).toBe(true);
              expect(callbackCounter).toBe(1);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              clearInterval(intervalId);

              done();
            }
          });
        });

        it("should run callback immediately when state already valid", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");
          let callbackCounter = 0;
          let validToCheck = false;

          instance.waitUntilValid(() => {
            callbackCounter += 1;

            instance.waitUntilValid(() => {
              validToCheck = true;
              callbackCounter += 1;
            });
          });

          const intervalId = setInterval(() => {
            if (instance.context.state && validToCheck) {
              expect(compiler.running).toBe(true);
              expect(instance.context.state).toBe(true);
              expect(callbackCounter).toBe(2);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              clearInterval(intervalId);

              done();
            }
          });
        });
      });

      describe("invalidate method", () => {
        beforeEach(async () => {
          compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it("should work without callback", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");

          instance.invalidate();

          const intervalId = setInterval(() => {
            if (instance.context.state) {
              expect(compiler.running).toBe(true);
              expect(instance.context.state).toBe(true);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              clearInterval(intervalId);

              done();
            }
          });
        });

        it("should work with callback", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");
          let callbackCounter = 0;

          instance.invalidate(() => {
            callbackCounter += 1;
          });

          const intervalId = setInterval(() => {
            if (instance.context.state) {
              expect(compiler.running).toBe(true);
              expect(instance.context.state).toBe(true);
              expect(callbackCounter).toBe(1);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              clearInterval(intervalId);

              done();
            }
          });
        });
      });

      describe("getFilenameFromUrl method", () => {
        describe("should work", () => {
          beforeEach(async () => {
            compiler = getCompiler(webpackConfig);

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
            );
          });

          afterEach(async () => {
            await close(server, instance);
          });

          it("should work", (done) => {
            instance.waitUntilValid(() => {
              expect(instance.getFilenameFromUrl("/bundle.js").filename).toBe(
                path.join(webpackConfig.output.path, "/bundle.js"),
              );
              expect(instance.getFilenameFromUrl("/").filename).toBe(
                path.join(webpackConfig.output.path, "/index.html"),
              );
              expect(instance.getFilenameFromUrl("/index.html").filename).toBe(
                path.join(webpackConfig.output.path, "/index.html"),
              );
              expect(instance.getFilenameFromUrl("/svg.svg").filename).toBe(
                path.join(webpackConfig.output.path, "/svg.svg"),
              );
              expect(
                instance.getFilenameFromUrl("/unknown.unknown"),
              ).toBeUndefined();
              expect(
                instance.getFilenameFromUrl("/unknown/unknown.unknown"),
              ).toBeUndefined();

              done();
            });
          });
        });

        describe('should work when the "index" option disabled', () => {
          beforeEach(async () => {
            compiler = getCompiler(webpackConfig);

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
              {
                index: false,
              },
            );
          });

          afterEach(async () => {
            await close(server, instance);
          });

          it("should work", (done) => {
            instance.waitUntilValid(() => {
              expect(instance.getFilenameFromUrl("/bundle.js").filename).toBe(
                path.join(webpackConfig.output.path, "/bundle.js"),
              );

              expect(instance.getFilenameFromUrl("/")).toBeUndefined();
              expect(instance.getFilenameFromUrl("/index.html").filename).toBe(
                path.join(webpackConfig.output.path, "/index.html"),
              );
              expect(instance.getFilenameFromUrl("/svg.svg").filename).toBe(
                path.join(webpackConfig.output.path, "/svg.svg"),
              );
              expect(
                instance.getFilenameFromUrl("/unknown.unknown"),
              ).toBeUndefined();
              expect(
                instance.getFilenameFromUrl("/unknown/unknown.unknown"),
              ).toBeUndefined();

              done();
            });
          });
        });

        describe('should work with the "publicPath"', () => {
          beforeEach(async () => {
            compiler = getCompiler(webpackPublicPathConfig);

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
            );
          });

          afterEach(async () => {
            await close(server, instance);
          });

          it("should work", (done) => {
            instance.waitUntilValid(() => {
              expect(
                instance.getFilenameFromUrl("/public/path/bundle.js").filename,
              ).toBe(
                path.join(webpackPublicPathConfig.output.path, "/bundle.js"),
              );
              expect(
                instance.getFilenameFromUrl("/public/path/").filename,
              ).toBe(
                path.join(webpackPublicPathConfig.output.path, "/index.html"),
              );
              expect(
                instance.getFilenameFromUrl("/public/path/index.html").filename,
              ).toBe(
                path.join(webpackPublicPathConfig.output.path, "/index.html"),
              );
              expect(
                instance.getFilenameFromUrl("/public/path/svg.svg").filename,
              ).toBe(
                path.join(webpackPublicPathConfig.output.path, "/svg.svg"),
              );

              expect(instance.getFilenameFromUrl("/")).toBeUndefined();
              expect(
                instance.getFilenameFromUrl("/unknown.unknown"),
              ).toBeUndefined();
              expect(
                instance.getFilenameFromUrl("/unknown/unknown.unknown"),
              ).toBeUndefined();

              done();
            });
          });
        });

        describe("should work in multi compiler mode", () => {
          beforeEach(async () => {
            compiler = getCompiler(webpackMultiConfig);

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
            );
          });

          afterEach(async () => {
            await close(server, instance);
          });

          it("should work", (done) => {
            instance.waitUntilValid(() => {
              expect(
                instance.getFilenameFromUrl("/static-one/bundle.js").filename,
              ).toBe(
                path.join(webpackMultiConfig[0].output.path, "/bundle.js"),
              );
              expect(instance.getFilenameFromUrl("/static-one/").filename).toBe(
                path.join(webpackMultiConfig[0].output.path, "/index.html"),
              );
              expect(
                instance.getFilenameFromUrl("/static-one/index.html").filename,
              ).toBe(
                path.join(webpackMultiConfig[0].output.path, "/index.html"),
              );
              expect(
                instance.getFilenameFromUrl("/static-one/svg.svg").filename,
              ).toBe(path.join(webpackMultiConfig[0].output.path, "/svg.svg"));
              expect(
                instance.getFilenameFromUrl("/static-one/unknown.unknown"),
              ).toBeUndefined();
              expect(
                instance.getFilenameFromUrl(
                  "/static-one/unknown/unknown.unknown",
                ),
              ).toBeUndefined();

              expect(
                instance.getFilenameFromUrl("/static-two/bundle.js").filename,
              ).toBe(
                path.join(webpackMultiConfig[1].output.path, "/bundle.js"),
              );
              expect(
                instance.getFilenameFromUrl("/static-two/unknown.unknown"),
              ).toBeUndefined();
              expect(
                instance.getFilenameFromUrl(
                  "/static-two/unknown/unknown.unknown",
                ),
              ).toBeUndefined();

              expect(instance.getFilenameFromUrl("/")).toBeUndefined();
              expect(
                instance.getFilenameFromUrl("/static-one/unknown.unknown"),
              ).toBeUndefined();
              expect(
                instance.getFilenameFromUrl(
                  "/static-one/unknown/unknown.unknown",
                ),
              ).toBeUndefined();

              done();
            });
          });
        });
      });

      describe("close method", () => {
        beforeEach(async () => {
          compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it("should work without callback", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");

          instance.waitUntilValid(() => {
            instance.close();

            expect(compiler.running).toBe(false);
            expect(doneSpy).toHaveBeenCalledTimes(1);

            doneSpy.mockRestore();

            done();
          });
        });

        it("should work with callback", (done) => {
          const doneSpy = jest.spyOn(getCompilerHooks(compiler).done[0], "fn");

          instance.waitUntilValid(() => {
            instance.close(() => {
              expect(compiler.running).toBe(false);
              expect(doneSpy).toHaveBeenCalledTimes(1);

              doneSpy.mockRestore();

              done();
            });
          });
        });
      });

      describe("context property", () => {
        beforeEach(async () => {
          compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it("should contain public properties", (done) => {
          expect(instance.context.state).toBeDefined();
          expect(instance.context.options).toBeDefined();
          expect(instance.context.compiler).toBeDefined();
          expect(instance.context.watching).toBeDefined();
          expect(instance.context.outputFileSystem).toBeDefined();

          // the compilation needs to finish, as it will still be running
          // after the test is done if not finished, potentially impacting other tests
          compiler.hooks.done.tap("wdm-test", () => {
            done();
          });
        });
      });
    });

    describe("basic", () => {
      describe("should work", () => {
        let compiler;
        let codeContent;

        const outputPath = path.resolve(__dirname, "./outputs/basic-test");

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });
          compiler.hooks.afterCompile.tap("wdm-test", (params) => {
            codeContent = params.assets["bundle.js"].source();
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image image.svg"),
            "svg image",
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "byte-length.html"),
            "\u00BD + \u00BC = \u00BE",
          );
          instance.context.outputFileSystem.mkdirSync(
            path.resolve(outputPath, "directory/nested-directory"),
            { recursive: true },
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "directory/nested-directory/index.html"),
            "My Index.",
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "throw-an-exception-on-readFileSync.txt"),
            "exception",
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "unknown"),
            "unknown",
          );

          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "empty-file.txt"),
            "",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should not find the bundle file on disk", async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(fs.existsSync(path.resolve(outputPath, "bundle.js"))).toBe(
            false,
          );
        });

        it('should return the "200" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            String(Buffer.byteLength(codeContent)),
          );
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toEqual(codeContent);
        });

        it('should return the "200" code for the "HEAD" request to the bundle file', async () => {
          const response = await req.head("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            String(Buffer.byteLength(codeContent)),
          );
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBeUndefined();
        });

        it('should return the "404" code for the "POST" request to the bundle file', async () => {
          const response = await req.post("/bundle.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return the "200" code for the "GET" request to the "image.svg" file', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "image.svg"),
          );

          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe("image/svg+xml");
        });

        it('should return the "200" code for the "GET" request to the "image.svg" file with "/../"', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "image.svg"),
          );

          const response = await req.get("/public/../image.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe("image/svg+xml");
        });

        it('should return the "200" code for the "GET" request to the "image.svg" file with "/../../../"', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "image.svg"),
          );

          const response = await req.get(
            "/public/assets/images/../../../image.svg",
          );

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe("image/svg+xml");
        });

        it('should return the "200" code for the "GET" request to the directory', async () => {
          const fileData = fs.readFileSync(
            path.resolve(__dirname, "./fixtures/index.html"),
          );

          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(fileData.toString());
        });

        it('should return the "200" code for the "GET" request to the subdirectory with "index.html" #2', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "directory/nested-directory/index.html"),
          );

          const response = await req.get("/directory/nested-directory/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(fileData.toString());
        });

        it('should return the "200" code for the "GET" request to the subdirectory with "index.html" without trailing slash', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "directory/nested-directory/index.html"),
          );

          const response = await req.get("/directory/nested-directory");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(fileData.toString());
        });

        it('should return the "200" code for the "GET" request to the subdirectory with "index.html" #3', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "directory/nested-directory/index.html"),
          );

          const response = await req.get(
            "/directory/nested-directory/index.html",
          );

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(fileData.toString());
        });

        it('should return the "416" code for the "GET" request with the invalid range header', async () => {
          const response = await req
            .get("/bundle.js")
            .set("Range", "bytes=9999999-");

          expect(response.statusCode).toBe(416);
          expect(response.headers["content-range"]).toBe(
            `bytes */${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBe(
            `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Range Not Satisfiable</pre>
</body>
</html>`,
          );
        });

        it('should return the "206" code for the "GET" request with the valid range header', async () => {
          const response = await req
            .get("/bundle.js")
            .set("Range", "bytes=3000-3500");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-range"]).toBe(
            `bytes 3000-3500/${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-length"]).toBe("501");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBe(codeContent.slice(3000, 3501));
          expect(response.text).toHaveLength(501);
        });

        it('should return the "206" code for the "HEAD" request with the valid range header', async () => {
          const response = await req
            .head("/bundle.js")
            .set("Range", "bytes=3000-3500");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-range"]).toBe(
            `bytes 3000-3500/${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-length"]).toBe("501");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBeUndefined();
        });

        it('should return the "206" code for the "GET" request with the valid range header (lowercase)', async () => {
          const response = await req
            .get("/bundle.js")
            .set("range", "bytes=3000-3500");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-range"]).toBe(
            `bytes 3000-3500/${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-length"]).toBe("501");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBe(codeContent.slice(3000, 3501));
          expect(response.text).toHaveLength(501);
        });

        it('should return the "206" code for the "GET" request with the valid range header (uppercase)', async () => {
          const response = await req
            .get("/bundle.js")
            .set("RANGE", "BYTES=3000-3500");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-range"]).toBe(
            `bytes 3000-3500/${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-length"]).toBe("501");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBe(codeContent.slice(3000, 3501));
          expect(response.text).toHaveLength(501);
        });

        it('should return the "206" code for the "GET" request with the valid range header when range starts with 0', async () => {
          const response = await req
            .get("/bundle.js")
            .set("Range", "bytes=0-3500");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-range"]).toBe(
            `bytes 0-3500/${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-length"]).toBe("3501");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBe(codeContent.slice(0, 3501));
          expect(response.text).toHaveLength(3501);
        });

        it('should return the "206" code for the "GET" request with the valid range header with multiple values', async () => {
          const response = await req
            .get("/bundle.js")
            .set("Range", "bytes=0-499, 499-800");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-range"]).toBe(
            `bytes 0-800/${Buffer.byteLength(codeContent)}`,
          );
          expect(response.headers["content-length"]).toBe("801");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toBe(codeContent.slice(0, 801));
          expect(response.text).toHaveLength(801);
        });

        it('should return the "200" code for the "GET" request with malformed range header which is ignored', async () => {
          const response = await req.get("/bundle.js").set("Range", "abc");

          expect(response.statusCode).toBe(200);
        });

        it('should return the "200" code for the "GET" request with malformed range header which is ignored #2', async () => {
          const response = await req.get("/bundle.js").set("Range", "bytes");

          expect(response.statusCode).toBe(200);
        });

        it('should return the "200" code for the "GET" request with multiple range header which is ignored', async () => {
          const response = await req
            .get("/bundle.js")
            .set("Range", "bytes=3000-3100,3200-3300");

          expect(response.statusCode).toBe(200);
        });

        it('should return the "404" code for the "GET" request with to the non-public path', async () => {
          const response = await req.get("/nonpublic/");

          expect(response.statusCode).toBe(404);
        });

        it('should return the "404" code for the "GET" request to the deleted file', async () => {
          const spy = jest
            .spyOn(instance.context.outputFileSystem, "readFileSync")
            .mockImplementation(() => {
              throw new Error("error");
            });

          const response = await req.get(
            "/public/throw-an-exception-on-readFileSync.txt/",
          );

          expect(response.statusCode).toBe(404);

          spy.mockRestore();
        });

        it('should return "200" code code for the "GET" request to the file without extension', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "unknown"),
          );

          const response = await req.get("/unknown");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
        });

        it('should return "200" code for the "GET" request and "Content-Length" to the file with unicode', async () => {
          const response = await req.get("/byte-length.html");

          expect(response.statusCode).toBe(200);

          expect(response.text).toBe("\u00BD + \u00BC = \u00BE");
          expect(response.headers["content-length"]).toBe("12");

          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(fs.existsSync(path.resolve(outputPath, "bundle.js"))).toBe(
            false,
          );
        });

        it('should return "200" code for the "GET" request and "Content-Length" of "0" when file is empty', async () => {
          const response = await req.get("/empty-file.txt");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toBe("0");
          expect(response.headers["content-type"]).toBe(
            "text/plain; charset=utf-8",
          );
        });

        it('should return the "200" code for the "GET" request to the "image image.svg" file', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "image image.svg"),
          );

          const response = await req.get("/image image.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe("image/svg+xml");
        });

        it('should return the "404" code for the "GET" request to the "%FF" file', async () => {
          const response = await req.get("/%FF");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });
      });

      describe('should work with the broken "publicPath" option (malformed URI parsed as "/")', () => {
        let compiler;

        const outputPath = path.resolve(__dirname, "./outputs/basic");

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
              publicPath: "http/s://test:malformed%5Med@test.example.com",
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "400" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(404);
        });
      });

      describe("should work in multi-compiler mode", () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackMultiConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file for the first compiler', async () => {
          const response = await req.get("/static-one/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a non existing file for the first compiler', async () => {
          const response = await req.get("/static-one/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path for the first compiler', async () => {
          const response = await req.get("/static-one/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option for the first compiler', async () => {
          const response = await req.get("/static-one/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request for the bundle file for the second compiler', async () => {
          const response = await req.get("/static-two/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a non existing file for the second compiler', async () => {
          const response = await req.get("/static-two/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the "public" path for the second compiler', async () => {
          const response = await req.get("/static-two/");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the "index" option for the second compiler', async () => {
          const response = await req.get("/static-two/index.html");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the non-public path', async () => {
          const response = await req.get("/static-three/");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });

        it('should return "404" code for GET request to the non-public path #2', async () => {
          const response = await req.get("/static-three/invalid.js");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });

        it('should return "404" code for GET request to the non-public path #3', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });
      });

      describe("should work in multi-compiler mode with `devServer` false", () => {
        const outputPath = path.resolve(
          __dirname,
          "./outputs/dev-server-false",
        );

        beforeAll(async () => {
          const compiler = getCompiler(webpackMultiDevServerFalseConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file for the first compiler', async () => {
          const bundlePath = path.resolve(
            __dirname,
            "./outputs/dev-server-false/js4/",
          );

          expect(fs.existsSync(path.resolve(bundlePath, "bundle.js"))).toBe(
            false,
          );

          const response = await req.get("/static-one/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a non existing file for the first compiler', async () => {
          const response = await req.get("/static-one/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path for the first compiler', async () => {
          const response = await req.get("/static-one/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option for the first compiler', async () => {
          const response = await req.get("/static-one/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request for the bundle file for the second compiler', async () => {
          const bundlePath = path.resolve(
            __dirname,
            "./outputs/dev-server-false/js3/",
          );

          expect(fs.existsSync(path.resolve(bundlePath, "bundle.js"))).toBe(
            true,
          );

          const response = await req.get("/static-two/bundle.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to a non existing file for the second compiler', async () => {
          const response = await req.get("/static-two/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the "public" path for the second compiler', async () => {
          const response = await req.get("/static-two/");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the "index" option for the second compiler', async () => {
          const response = await req.get("/static-two/index.html");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the non-public path', async () => {
          const response = await req.get("/static-three/");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });
      });

      describe("should work with difference requests", () => {
        const basicOutputPath = path.resolve(__dirname, "./outputs/basic");
        const fixtures = [
          {
            urls: [
              {
                value: "bundle.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
              {
                value: "",
                contentType: "text/html; charset=utf-8",
                code: 200,
              },
              {
                value: "index.html",
                contentType: "text/html; charset=utf-8",
                code: 200,
              },
              {
                value: "invalid.js",
                contentType: get404ContentTypeHeader(name),
                code: 404,
              },
              {
                value: "complex",
                contentType: get404ContentTypeHeader(name),
                code: 404,
              },
              {
                value: "complex/invalid.js",
                contentType: get404ContentTypeHeader(name),
                code: 404,
              },
              {
                value: "complex/complex",
                contentType: get404ContentTypeHeader(name),
                code: 404,
              },
              {
                value: "complex/complex/invalid.js",
                contentType: get404ContentTypeHeader(name),
                code: 404,
              },
              {
                value: "%",
                contentType: get404ContentTypeHeader(name),
                code: 404,
              },
            ],
          },
          {
            file: "config.json",
            data: JSON.stringify({ foo: "bar" }),
            urls: [
              {
                value: "config.json",
                contentType: "application/json; charset=utf-8",
                code: 200,
              },
            ],
          },
          {
            file: "image.svg",
            data: "<svg>SVG</svg>",
            urls: [
              {
                value: "image.svg",
                contentType: "image/svg+xml",
                code: 200,
              },
            ],
          },
          {
            file: "foo.js",
            data: 'console.log("foo");',
            urls: [
              {
                value: "foo.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            file: "/complex/foo.js",
            data: 'console.log("foo");',
            urls: [
              {
                value: "complex/foo.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
              {
                value: "complex/./foo.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
              {
                value: "complex/foo/../foo.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            file: "/complex/complex/foo.js",
            data: 'console.log("foo");',
            urls: [
              {
                value: "complex/complex/foo.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            file: "/föö.js",
            data: 'console.log("foo");',
            urls: [
              // Express encodes the URI component, so we do the same
              {
                value: "f%C3%B6%C3%B6.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            // fastify uses the `frameworkErrors` option to handle broken URLs
            file: name === "fastify" ? "/foo/foo.js" : "/%foo%/%foo%.js",
            data: 'console.log("foo");',
            urls: [
              // Filenames can contain characters not allowed in URIs
              {
                value: name === "fastify" ? "foo/foo.js" : "%foo%/%foo%.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            file: "test.html",
            data: "<div>test</div>",
            urls: [
              {
                value: "test.html?foo=bar",
                contentType: "text/html; charset=utf-8",
                code: 200,
              },
              {
                value: "test.html?foo=bar#hash",
                contentType: "text/html; charset=utf-8",
                code: 200,
              },
            ],
          },
          {
            file: "pathname with spaces.js",
            data: 'console.log("foo");',
            urls: [
              {
                value: "pathname%20with%20spaces.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            file: "dirname with spaces/filename with spaces.js",
            data: 'console.log("foo");',
            urls: [
              {
                value: "dirname%20with%20spaces/filename%20with%20spaces.js",
                contentType: getContentTypeHeader(),
                code: 200,
              },
            ],
          },
          {
            file: "filename-name-with-dots/mono-v6.x.x",
            data: "content with .",
            urls: [
              {
                value: "filename-name-with-dots/mono-v6.x.x",
                code: 200,
              },
            ],
          },
          {
            file: "noextension",
            data: "noextension content",
            urls: [
              {
                value: "noextension",
                code: 200,
              },
            ],
          },
          {
            file: "3dAr.usdz",
            data: "3dAr.usdz content",
            urls: [
              {
                value: "3dAr.usdz",
                contentType: "model/vnd.usdz+zip",
                code: 200,
              },
            ],
          },
          {
            file: "hello.wasm",
            data: "hello.wasm content",
            urls: [
              {
                value: "hello.wasm",
                contentType: "application/wasm",
                code: 200,
              },
            ],
          },
          {
            file: "windows.txt",
            data: "windows.txt content",
            urls: [
              {
                value: "windows.txt",
                contentType: "text/plain; charset=utf-8",
                code: 200,
              },
            ],
          },
          {
            file: "windows 2.txt",
            data: "windows 2.txt content",
            urls: [
              {
                value: "windows%202.txt",
                contentType: "text/plain; charset=utf-8",
                code: 200,
              },
            ],
          },
          {
            file: "test & test & %20.txt",
            data: "test & test & %20.txt content",
            urls: [
              {
                value: "test%20%26%20test%20%26%20%2520.txt",
                contentType: "text/plain; charset=utf-8",
                code: 200,
              },
            ],
          },
        ];

        const configurations = [
          {
            output: { path: basicOutputPath, publicPath: "" },
            publicPathForRequest: "/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "dist"),
              publicPath: "",
            },
            publicPathForRequest: "/",
          },
          {
            output: { path: basicOutputPath, publicPath: "/" },
            publicPathForRequest: "/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "dist"),
              publicPath: "/",
            },
            publicPathForRequest: "/",
          },
          {
            output: { path: basicOutputPath, publicPath: "/static" },
            publicPathForRequest: "/static/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "dist"),
              publicPath: "/static",
            },
            publicPathForRequest: "/static/",
          },
          {
            output: { path: basicOutputPath, publicPath: "/static/" },
            publicPathForRequest: "/static/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "dist"),
              publicPath: "/static/",
            },
            publicPathForRequest: "/static/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "dist/#leadinghash"),
              publicPath: "/",
            },
            publicPathForRequest: "/",
          },
          {
            output: {
              path: basicOutputPath,
              publicPath: "http://127.0.0.1/",
            },
            publicPathForRequest: "/",
          },
          {
            output: {
              path: basicOutputPath,
              publicPath: "http://127.0.0.1:3000/",
            },
            publicPathForRequest: "/",
          },
          {
            output: {
              path: basicOutputPath,
              publicPath: "//test.domain/",
            },
            publicPathForRequest: "/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "my static"),
              publicPath: "/static/",
            },
            publicPathForRequest: "/static/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "my%20static"),
              publicPath: "/static/",
            },
            publicPathForRequest: "/static/",
          },
          {
            output: {
              path: path.join(basicOutputPath, "my %20 static"),
              publicPath: "/my%20static/",
            },
            publicPathForRequest: "/my%20static/",
          },
        ];

        for (const configuration of configurations) {
          // eslint-disable-next-line no-loop-func
          describe("should work handle requests", () => {
            const { output, publicPathForRequest } = configuration;
            const { path: outputPath, publicPath } = output;

            let compiler;

            beforeAll(async () => {
              compiler = getCompiler({
                ...webpackConfig,
                output: {
                  filename: "bundle.js",
                  path: outputPath,
                  publicPath,
                },
              });

              [server, req, instance] = await frameworkFactory(
                name,
                framework,
                compiler,
              );

              const {
                context: {
                  outputFileSystem: { mkdirSync, writeFileSync },
                },
              } = instance;

              for (const { file, data } of fixtures) {
                if (file) {
                  const fullPath = path.join(outputPath, file);

                  mkdirSync(path.dirname(fullPath), { recursive: true });
                  writeFileSync(fullPath, data);
                }
              }
            });

            afterAll(async () => {
              await close(server, instance);
            });

            for (const { data, urls } of fixtures) {
              for (const { value, contentType, code } of urls) {
                // eslint-disable-next-line no-loop-func
                it(`should return the "${code}" code for the "GET" request for the "${value}" url`, async () => {
                  const response = await req.get(
                    `${publicPathForRequest}${value}`,
                  );

                  expect(response.statusCode).toEqual(code);

                  if (data) {
                    expect(response.headers["content-length"]).toEqual(
                      String(data.length),
                    );
                  }

                  if (contentType) {
                    expect(response.headers["content-type"]).toEqual(
                      contentType,
                    );
                  }
                });
              }
            }
          });
        }
      });

      describe('should respect the value of the "Content-Type" header from other middleware', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,

            undefined,
            {
              setupMiddlewares: (middlewares) => {
                if (name === "koa") {
                  middlewares.unshift(async (ctx, next) => {
                    await next();

                    ctx.set(
                      "Content-Type",
                      "application/vnd.test+octet-stream",
                    );
                  });
                } else if (name === "hapi") {
                  middlewares.unshift({
                    plugin: {
                      name: "myPlugin",
                      version: "1.0.0",
                      register(innerServer) {
                        innerServer.ext("onRequest", (innerRequest, h) => {
                          innerRequest.raw.res.setHeader(
                            "Content-Type",
                            "application/vnd.test+octet-stream",
                          );

                          return h.continue;
                        });
                      },
                    },
                  });
                } else if (name === "hono") {
                  middlewares.unshift(async (c, next) => {
                    await next();

                    c.header(
                      "Content-Type",
                      "application/vnd.test+octet-stream",
                    );
                  });
                } else {
                  middlewares.unshift((req, res, next) => {
                    // Express API
                    if (res.set) {
                      res.set(
                        "Content-Type",
                        "application/vnd.test+octet-stream",
                      );
                    }
                    // Connect API
                    else {
                      res.setHeader(
                        "Content-Type",
                        "application/vnd.test+octet-stream",
                      );
                    }

                    next();
                  });
                }

                return middlewares;
              },
            },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should not modify the "Content-Type" header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "application/vnd.test+octet-stream",
          );
        });
      });

      describe('should work without "output" options', () => {
        beforeAll(async () => {
          const compiler = getCompiler({ ...webpackConfig, output: undefined });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a nonexistent file', async () => {
          const response = await req.get("/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option', async () => {
          const response = await req.get("/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should work with trailing slash at the end of the "option.path" option', () => {
        beforeAll(async () => {
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: path.resolve(__dirname, "./outputs/basic/"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a nonexistent file', async () => {
          const response = await req.get("/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option', async () => {
          const response = await req.get("/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should respect empty "output.publicPath" and "output.path" options', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a nonexistent file', async () => {
          const response = await req.get("/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option', async () => {
          const response = await req.get("/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should respect "output.publicPath" and "output.path" options', () => {
        beforeAll(async () => {
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              publicPath: "/static/",
              path: path.resolve(__dirname, "./outputs/other-basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/static/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a nonexistent file', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the public path', async () => {
          const response = await req.get("/static/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option', async () => {
          const response = await req.get("/static/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to the non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });
      });

      describe('should respect "output.publicPath" and "output.path" options with hash substitutions', () => {
        let hash;

        beforeAll(async () => {
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              publicPath: "/static/[fullhash]/",
              path: path.resolve(__dirname, "./outputs/other-basic-[fullhash]"),
            },
          });
          compiler.hooks.afterCompile.tap("wdm-test", ({ hash: h }) => {
            hash = h;
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          await new Promise((resolve) => {
            const interval = setInterval(() => {
              if (hash) {
                clearInterval(interval);

                resolve();
              }
            }, 10);
          });
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get(`/static/${hash}/bundle.js`);

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a nonexistent file', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the public path', async () => {
          const response = await req.get(`/static/${hash}/`);

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option', async () => {
          const response = await req.get(`/static/${hash}/index.html`);

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to the non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode with hash substitutions', () => {
        let hashOne;
        let hashTwo;

        beforeAll(async () => {
          const compiler = getCompiler([
            {
              ...webpackMultiConfig[0],
              output: {
                filename: "bundle.js",
                path: path.resolve(
                  __dirname,
                  "./outputs/array-[fullhash]/static-one",
                ),
                publicPath: "/static-one/[fullhash]/",
              },
            },
            {
              ...webpackMultiConfig[1],
              output: {
                filename: "bundle.js",
                path: path.resolve(
                  __dirname,
                  "./outputs/array-[fullhash]/static-two",
                ),
                publicPath: "/static-two/[fullhash]/",
              },
            },
          ]);
          compiler.hooks.done.tap("wdm-test", (stats) => {
            const [one, two] = stats.stats;

            hashOne = one.hash;
            hashTwo = two.hash;
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          await new Promise((resolve) => {
            const interval = setInterval(() => {
              if (hashOne && hashTwo) {
                clearInterval(interval);

                resolve();
              }
            }, 10);
          });
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file for the first compiler', async () => {
          const response = await req.get(`/static-one/${hashOne}/bundle.js`);

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to nonexistent file for the first compiler', async () => {
          const response = await req.get(`/static-one/${hashOne}/invalid.js`);

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request for the second bundle file', async () => {
          const response = await req.get(`/static-one/${hashOne}/`);

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option for the first compiler', async () => {
          const response = await req.get(`/static-one/${hashOne}/index.html`);

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the bundle file for the second compiler', async () => {
          const response = await req.get(`/static-two/${hashTwo}/bundle.js`);

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
        });

        it('should return "404" code for GET request to nonexistent file for the second compiler', async () => {
          const response = await req.get(`/static-two/${hashTwo}/invalid.js`);

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });

        it('should return "404" code for GET request to the "public" path for the second compiler', async () => {
          const response = await req.get(`/static-two/${hashTwo}/`);

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the "index" option for the second compiler', async () => {
          const response = await req.get(`/static-two/${hashTwo}/index.html`);

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode with difference "publicPath" and "path"', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackMultiConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file for the first compiler', async () => {
          const response = await req.get("/static-one/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to nonexistent file for the first compiler', async () => {
          const response = await req.get("/static-one/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path for the first compiler', async () => {
          const response = await req.get("/static-one/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option for the first compiler', async () => {
          const response = await req.get("/static-one/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the second bundle file', async () => {
          const response = await req.get("/static-two/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to nonexistent file for the second compiler', async () => {
          const response = await req.get("/static-two/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path for the second compiler', async () => {
          const response = await req.get("/static-two/");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "index" option for the second compiler', async () => {
          const response = await req.get("/static-two/index.html");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to nonexistent file', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode with same "publicPath"', () => {
        beforeAll(async () => {
          const compiler = getCompiler([
            {
              ...webpackMultiConfig[0],
              output: {
                filename: "bundle-one.js",
                path: path.resolve(__dirname, "./outputs/array/static-one"),
                publicPath: "/my-public/",
              },
            },
            {
              ...webpackMultiConfig[1],
              output: {
                filename: "bundle-two.js",
                path: path.resolve(__dirname, "./outputs/array/static-two"),
                publicPath: "/my-public/",
              },
            },
          ]);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file for the first compiler', async () => {
          const response = await req.get("/my-public/bundle-one.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "200" code for GET request to the bundle file for the second compiler', async () => {
          const response = await req.get("/my-public/bundle-two.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to nonexistent file #1', async () => {
          const response = await req.get("/my-public/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path', async () => {
          const response = await req.get("/my-public/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option', async () => {
          const response = await req.get("/my-public/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to nonexistent file #2', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode with same "path"', () => {
        beforeAll(async () => {
          const compiler = getCompiler([
            {
              ...webpackMultiConfig[0],
              output: {
                filename: "bundle-one.js",
                path: path.resolve(__dirname, "./outputs/array/static-one"),
                publicPath: "/one-public/",
              },
            },
            {
              ...webpackMultiConfig[1],
              output: {
                filename: "bundle-two.js",
                path: path.resolve(__dirname, "./outputs/array/static-one"),
                publicPath: "/two-public/",
              },
            },
          ]);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file for the first compiler', async () => {
          const response = await req.get("/one-public/bundle-one.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to nonexistent file to the first bundle file', async () => {
          const response = await req.get("/one-public/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path for the first compiler', async () => {
          const response = await req.get("/one-public/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option for the first compiler', async () => {
          const response = await req.get("/one-public/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the bundle file for the second compiler', async () => {
          const response = await req.get("/two-public/bundle-two.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
        });

        it('should return "404" code for GET request to nonexistent file to the second bundle file', async () => {
          const response = await req.get("/two-public/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "200" code for GET request to the "public" path for the second compiler', async () => {
          const response = await req.get("/two-public/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "200" code for GET request to the "index" option for the second compiler', async () => {
          const response = await req.get("/two-public/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to nonexistent file', async () => {
          const response = await req.get("/static/invalid");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode, when the "output.publicPath" option presented in only one configuration (in first)', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackClientServerConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/static/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
        });

        it('should return "404" code for GET request to nonexistent file', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the public path', async () => {
          const response = await req.get("/static/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to the "index" option', async () => {
          const response = await req.get("/static/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode, when the "output.publicPath" option presented in only one configuration (in second)', () => {
        beforeAll(async () => {
          const compiler = getCompiler([
            webpackClientServerConfig[1],
            webpackClientServerConfig[0],
          ]);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/static/bundle.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to nonexistent file', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the public path', async () => {
          const response = await req.get("/static/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to the "index" option', async () => {
          const response = await req.get("/static/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe('should respect "output.publicPath" and "output.path" options in multi-compiler mode, when the "output.publicPath" option presented in only one configuration with same "path"', () => {
        beforeAll(async () => {
          const compiler = getCompiler([
            {
              ...webpackClientServerConfig[0],
              output: {
                filename: "bundle-one.js",
                path: path.resolve(__dirname, "./outputs/client-server/same"),
                publicPath: "/static/",
              },
            },
            {
              ...webpackClientServerConfig[1],
              output: {
                filename: "bundle-two.js",
                path: path.resolve(__dirname, "./outputs/client-server/same"),
              },
            },
          ]);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return "200" code for GET request to the bundle file', async () => {
          const response = await req.get("/static/bundle-one.js");

          expect(response.statusCode).toBe(200);
        });

        it('should return "404" code for GET request to a nonexistent file', async () => {
          const response = await req.get("/static/invalid.js");

          expect(response.statusCode).toBe(404);
        });

        it('should return "404" code for GET request to the public path', async () => {
          const response = await req.get("/static/");

          expect(response.statusCode).toBe(200);
        });

        it('should return "200" code for GET request to the non-public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return "404" code for GET request to the "index" option', async () => {
          const response = await req.get("/static/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe("should handle an earlier request if a change happened while compiling", () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          let invalidated = false;

          compiler.hooks.afterDone.tap("Invalidated", () => {
            if (!invalidated) {
              instance.invalidate();

              invalidated = true;
            }
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
        });
      });

      describe("should handle custom fs errors and response 500 code", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-errors-500",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );

          instance.context.outputFileSystem.createReadStream =
            function createReadStream(...args) {
              const brokenStream = new this.ReadStream(...args);

              brokenStream._read = function _read() {
                this.emit("error", new Error("test"));
                this.end();
                this.destroy();
              };

              return brokenStream;
            };
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "500" code for the "GET" request to the "image.svg" file', async () => {
          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(500);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(
            "<!DOCTYPE html>\n" +
              '<html lang="en">\n' +
              "<head>\n" +
              '<meta charset="utf-8">\n' +
              "<title>Error</title>\n" +
              "</head>\n" +
              "<body>\n" +
              "<pre>Internal Server Error</pre>\n" +
              "</body>\n" +
              "</html>",
          );
        });
      });

      describe("should handle known fs errors and response 404 code #2", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-errors-404",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );

          instance.context.outputFileSystem.createReadStream =
            function createReadStream(...args) {
              const brokenStream = new this.ReadStream(...args);

              brokenStream._read = function _read() {
                const error = new Error("test");

                error.code = "ENAMETOOLONG";

                this.emit("error", error);
                this.end();
                this.destroy();
              };

              return brokenStream;
            };
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "404" code for the "GET" request to the "image.svg" file', async () => {
          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(
            "<!DOCTYPE html>\n" +
              '<html lang="en">\n' +
              "<head>\n" +
              '<meta charset="utf-8">\n' +
              "<title>Error</title>\n" +
              "</head>\n" +
              "<body>\n" +
              "<pre>Not Found</pre>\n" +
              "</body>\n" +
              "</html>",
          );
        });
      });

      describe("should work without `fs.createReadStream`", () => {
        let compiler;
        let codeContent;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-no-createReadStream",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });
          compiler.hooks.afterCompile.tap("wdm-test", (params) => {
            codeContent = params.assets["bundle.js"].source();
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );

          instance.context.outputFileSystem.createReadStream = null;
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            String(Buffer.byteLength(codeContent)),
          );
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toEqual(codeContent);
        });

        it('should return the "200" code for the "GET" request to the "image.svg" file', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "image.svg"),
          );

          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe("image/svg+xml");
        });

        it('should return the "200" code for the "HEAD" request to the "image.svg" file', async () => {
          const fileData = instance.context.outputFileSystem.readFileSync(
            path.resolve(outputPath, "image.svg"),
          );

          const response = await req.head("/image.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-length"]).toEqual(
            fileData.byteLength.toString(),
          );
          expect(response.headers["content-type"]).toBe("image/svg+xml");
          expect(response.body).toEqual({});
        });
      });

      describe("should handle custom fs errors and response 500 code without `fs.createReadStream`", () => {
        let compiler;
        // Try to disable this

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-errors-500",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );

          instance.context.outputFileSystem.readFileSync =
            function readFileSync() {
              throw new Error("test");
            };
          instance.context.outputFileSystem.createReadStream = null;
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "500" code for the "GET" request to the "image.svg" file', async () => {
          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(500);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(
            "<!DOCTYPE html>\n" +
              '<html lang="en">\n' +
              "<head>\n" +
              '<meta charset="utf-8">\n' +
              "<title>Error</title>\n" +
              "</head>\n" +
              "<body>\n" +
              "<pre>Internal Server Error</pre>\n" +
              "</body>\n" +
              "</html>",
          );
        });
      });

      describe("should handle known fs errors and response 404 code", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-errors-404",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );

          instance.context.outputFileSystem.readFileSync =
            function readFileSync() {
              const error = new Error("test");

              error.code = "ENAMETOOLONG";

              throw error;
            };
          instance.context.outputFileSystem.createReadStream = null;
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "404" code for the "GET" request to the "image.svg" file', async () => {
          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(
            "<!DOCTYPE html>\n" +
              '<html lang="en">\n' +
              "<head>\n" +
              '<meta charset="utf-8">\n' +
              "<title>Error</title>\n" +
              "</head>\n" +
              "<body>\n" +
              "<pre>Not Found</pre>\n" +
              "</body>\n" +
              "</html>",
          );
        });
      });

      describe("should work when headers are already sent", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-errors-headers-sent",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {},
            {
              setupMiddlewares: (middlewares) => {
                if (name === "hapi") {
                  // There's no such thing as "the next route handler" in hapi. One request is matched to one or no route handlers.
                } else if (name === "koa") {
                  middlewares.unshift(async (ctx, next) => {
                    ctx.url = "/index.html";

                    await next();
                  });
                } else if (name === "hono") {
                  // Hono doesn't have this problem due design
                } else {
                  middlewares.unshift({
                    route: "/",
                    fn: (oldReq, res, next) => {
                      oldReq.url = "/index.html";
                      next();
                    },
                  });
                }

                return middlewares;
              },
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "index.html"),
            "HTML",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return the "200" code for the "HEAD" request to the bundle file', async () => {
          const response = await req.head("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBeUndefined();
        });
      });

      describe("should work and don't call the next middleware for finished or errored requests by default", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-test-errors-headers-sent",
        );

        let nextWasCalled = false;

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              etag: "weak",
              lastModified: true,
            },
            {
              setupMiddlewares: (middlewares) => {
                if (name === "hapi") {
                  // There's no such thing as "the next route handler" in hapi. One request is matched to one or no route handlers.
                } else if (name === "koa") {
                  middlewares.push(async () => {
                    nextWasCalled = true;
                  });
                } else if (name === "hono") {
                  // Hono doesn't have this problem due design
                } else {
                  middlewares.push(() => {
                    nextWasCalled = true;
                  });
                }

                return middlewares;
              },
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "index.html"),
            "HTML",
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "image.svg"),
            "svg image",
          );
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.text"),
            "text",
          );

          const originalMethod =
            instance.context.outputFileSystem.createReadStream;

          instance.context.outputFileSystem.createReadStream =
            function createReadStream(...args) {
              if (args[0].endsWith("image.svg")) {
                const brokenStream = new this.ReadStream(...args);

                brokenStream._read = function _read() {
                  const error = new Error("test");
                  error.code = "ENAMETOOLONG";
                  this.emit("error", error);
                  this.end();
                  this.destroy();
                };

                return brokenStream;
              }

              return originalMethod(...args);
            };
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should work with piping stream", async () => {
          const response1 = await req.get("/file.text");

          expect(response1.statusCode).toBe(200);
          expect(nextWasCalled).toBe(false);
        });

        it("should not allow to get files above root", async () => {
          const response = await req.get("/public/..%2f../middleware.test.js");

          expect(response.statusCode).toBe(403);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBe(`<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Forbidden</pre>
</body>
</html>`);
          expect(nextWasCalled).toBe(false);
        });

        it('should return the "412" code for the "GET" request to the bundle file with etag and wrong "if-match" header', async () => {
          const response1 = await req.get("/file.text");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers.etag).toBeDefined();
          expect(response1.headers.etag.startsWith("W/")).toBe(true);

          const response2 = await req.get("/file.text").set("if-match", "test");

          expect(response2.statusCode).toBe(412);
          expect(nextWasCalled).toBe(false);
        });

        it('should return the "416" code for the "GET" request with the invalid range header', async () => {
          const response = await req
            .get("/file.text")
            .set("Range", "bytes=9999999-");

          expect(response.statusCode).toBe(416);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBe(
            `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Range Not Satisfiable</pre>
</body>
</html>`,
          );
          expect(nextWasCalled).toBe(false);
        });

        it('should return the "404" code for the "GET" request to the "image.svg" file when it throws a reading error', async () => {
          const response = await req.get("/image.svg");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toEqual(
            "<!DOCTYPE html>\n" +
              '<html lang="en">\n' +
              "<head>\n" +
              '<meta charset="utf-8">\n' +
              "<title>Error</title>\n" +
              "</head>\n" +
              "<body>\n" +
              "<pre>Not Found</pre>\n" +
              "</body>\n" +
              "</html>",
          );
          expect(nextWasCalled).toBe(false);
        });

        it('should return the "200" code for the "HEAD" request to the bundle file', async () => {
          const response = await req.head("/file.text");

          expect(response.statusCode).toBe(200);
          expect(response.text).toBeUndefined();
          expect(nextWasCalled).toBe(false);
        });

        it('should return the "304" code for the "GET" request to the bundle file with etag and "if-none-match"', async () => {
          const response1 = await req.get("/file.text");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers.etag).toBeDefined();
          expect(response1.headers.etag.startsWith("W/")).toBe(true);

          const response2 = await req
            .get("/file.text")
            .set("if-none-match", response1.headers.etag);

          expect(response2.statusCode).toBe(304);
          expect(response2.headers.etag).toBeDefined();
          expect(response2.headers.etag.startsWith("W/")).toBe(true);

          const response3 = await req
            .get("/file.text")
            .set("if-none-match", response1.headers.etag);

          expect(response3.statusCode).toBe(304);
          expect(response3.headers.etag).toBeDefined();
          expect(response3.headers.etag.startsWith("W/")).toBe(true);
          expect(nextWasCalled).toBe(false);
        });

        it('should return the "304" code for the "GET" request to the bundle file with lastModified and "if-modified-since" header', async () => {
          const response1 = await req.get("/file.text");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();

          const response2 = await req
            .get("/file.text")
            .set("if-modified-since", response1.headers["last-modified"]);

          expect(response2.statusCode).toBe(304);
          expect(response2.headers["last-modified"]).toBeDefined();

          const response3 = await req
            .get("/file.text")
            .set("if-modified-since", response2.headers["last-modified"]);

          expect(response3.statusCode).toBe(304);
          expect(response3.headers["last-modified"]).toBeDefined();
          expect(nextWasCalled).toBe(false);
        });
      });

      describe("should fallthrough for not found files", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/basic-not-found-files",
        );

        let nextWasCalled = false;

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {},
            {
              setupMiddlewares: (middlewares) => {
                if (name === "hapi") {
                  nextWasCalled = true;
                } else if (name === "koa") {
                  middlewares.push(async (ctx, next) => {
                    nextWasCalled = true;

                    await next();
                  });
                } else if (name === "hono") {
                  middlewares.push(async (c, next) => {
                    await next();

                    nextWasCalled = true;
                  });
                } else {
                  middlewares.push((req, res, next) => {
                    nextWasCalled = true;

                    next();
                  });
                }

                return middlewares;
              },
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should work", async () => {
          const response = await req.get("/not-found.js");

          expect(response.statusCode).toBe(404);
          expect(nextWasCalled).toBe(true);
        });
      });
    });

    describe("mimeTypes option", () => {
      describe('should set the correct value for "Content-Type" header to known MIME type', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.html"),
            "welcome",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to "file.html"', async () => {
          const response = await req.get("/file.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBe("welcome");
        });
      });

      describe('should set the correct value for "Content-Type" header to specified MIME type', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              mimeTypes: {
                myhtml: "text/html",
              },
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.myhtml"),
            "welcome",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request "file.phtml"', async () => {
          const response = await req.get("/file.myhtml");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBe("welcome");
        });
      });

      describe('should override value for "Content-Type" header for known MIME type', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              mimeTypes: {
                jpg: "image/vnd.test+jpeg",
              },
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.jpg"),
            "welcome",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request "file.jpg"', async () => {
          const response = await req.get("/file.jpg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe("image/vnd.test+jpeg");
        });
      });

      describe('should not set "Content-Type" header for route not from outputFileSystem', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              mimeTypes: {
                jpg: "image/vnd.test+jpeg",
              },
            },
            {
              setupMiddlewares: (middlewares) => {
                applyTestMiddleware(name, middlewares);

                return middlewares;
              },
            },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request "file.jpg" with default content type', async () => {
          const response = await req.get("/file.jpg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toMatch(
            name === "fastify" ? /text\/plain; charset=utf-8/ : /text\/html/,
          );
        });
      });
    });

    describe("mimeTypeDefault option", () => {
      describe('should set the correct value for "Content-Type" header to unknown MIME type', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              mimeTypeDefault: "text/plain",
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.unknown"),
            "welcome",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to "file.html"', async () => {
          const response = await req.get("/file.unknown");

          expect(response.statusCode).toBe(200);
          expect(
            response.headers["content-type"].startsWith("text/plain"),
          ).toBe(true);
          expect(response.text).toBe("welcome");
        });
      });
    });

    describe("watchOptions option", () => {
      describe("should work without value", () => {
        let compiler;
        let spy;

        beforeAll(async () => {
          compiler = getCompiler(webpackConfig);
          spy = jest.spyOn(compiler, "watch");

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          spy.mockRestore();

          await close(server, instance);
        });

        it('should pass arguments to the "watch" method', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(spy).toHaveBeenCalledTimes(1);
          expect(spy.mock.calls[0][0]).toEqual({});
        });
      });

      describe("should respect options from the configuration", () => {
        let compiler;
        let spy;

        beforeAll(async () => {
          compiler = getCompiler(webpackWatchOptionsConfig);

          spy = jest.spyOn(compiler, "watch");

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          spy.mockRestore();

          await close(server, instance);
        });

        it('should pass arguments to the "watch" method', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(spy).toHaveBeenCalledTimes(1);
          expect(spy.mock.calls[0][0]).toEqual({
            aggregateTimeout: 300,
            poll: true,
          });
        });
      });

      describe("should respect options from the configuration in multi-compile mode", () => {
        let compiler;
        let spy;

        beforeAll(async () => {
          compiler = getCompiler(webpackMultiWatchOptionsConfig);

          spy = jest.spyOn(compiler, "watch");

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          spy.mockRestore();

          await close(server, instance);
        });

        it('should pass arguments to the "watch" method', async () => {
          const response1 = await req.get("/static-one/bundle.js");

          expect(response1.statusCode).toBe(200);

          const response2 = await req.get("/static-two/bundle.js");

          expect(response2.statusCode).toBe(200);
          expect(spy).toHaveBeenCalledTimes(1);
          expect(spy.mock.calls[0][0]).toEqual([
            { aggregateTimeout: 800, poll: false },
            { aggregateTimeout: 300, poll: true },
          ]);
        });
      });
    });

    describe("writeToDisk option", () => {
      (name === "hono" ? describe.skip : describe)(
        'should work with "true" value',
        () => {
          let compiler;

          const outputPath = path.resolve(
            __dirname,
            "./outputs/write-to-disk-true",
          );

          beforeAll(async () => {
            compiler = getCompiler({
              ...webpackConfig,
              output: {
                filename: "bundle.js",
                path: outputPath,
                publicPath: "/public/",
              },
            });

            [server, req, instance] = await frameworkFactory(
              name,
              framework,
              compiler,
              { writeToDisk: true },
            );
          });

          afterAll(async () => {
            await fs.promises.rm(outputPath, {
              recursive: true,
              force: true,
            });
            await close(server, instance);
          });

          it("should find the bundle file on disk", (done) => {
            req.get("/public/bundle.js").expect(200, (error) => {
              if (error) {
                return done(error);
              }

              const bundlePath = path.resolve(
                __dirname,
                "./outputs/write-to-disk-true/bundle.js",
              );

              expect(
                compiler.hooks.assetEmitted.taps.filter(
                  (hook) => hook.name === "DevMiddleware",
                ),
              ).toHaveLength(1);
              expect(fs.existsSync(bundlePath)).toBe(true);

              instance.invalidate();

              return compiler.hooks.done.tap(
                "DevMiddlewareWriteToDiskTest",
                () => {
                  expect(
                    compiler.hooks.assetEmitted.taps.filter(
                      (hook) => hook.name === "DevMiddleware",
                    ),
                  ).toHaveLength(1);

                  done();
                },
              );
            });
          });

          it("should not allow to get files above root", async () => {
            const response = await req.get(
              "/public/..%2f../middleware.test.js",
            );

            expect(response.statusCode).toBe(403);
            expect(response.headers["content-type"]).toBe(
              "text/html; charset=utf-8",
            );
            expect(response.text).toBe(`<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Forbidden</pre>
</body>
</html>`);
          });
        },
      );

      describe('should work with "true" value when the `output.clean` is `true`', () => {
        const outputPath = path.resolve(
          __dirname,
          "./outputs/write-to-disk-true-with-clean",
        );

        let compiler;

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              clean: true,
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { writeToDisk: true },
          );

          fs.mkdirSync(outputPath, {
            recursive: true,
          });
          fs.writeFileSync(path.resolve(outputPath, "test.json"), "{}");
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it("should find the bundle file on disk", (done) => {
          req.get("/bundle.js").expect(200, (error) => {
            if (error) {
              return done(error);
            }

            const bundlePath = path.resolve(outputPath, "bundle.js");

            expect(fs.existsSync(path.resolve(outputPath, "test.json"))).toBe(
              false,
            );

            expect(
              compiler.hooks.assetEmitted.taps.filter(
                (hook) => hook.name === "DevMiddleware",
              ),
            ).toHaveLength(1);
            expect(fs.existsSync(bundlePath)).toBe(true);

            instance.invalidate();

            return compiler.hooks.done.tap(
              "DevMiddlewareWriteToDiskTest",
              () => {
                expect(
                  compiler.hooks.assetEmitted.taps.filter(
                    (hook) => hook.name === "DevMiddleware",
                  ),
                ).toHaveLength(1);

                done();
              },
            );
          });
        });
      });

      describe('should work with "false" value', () => {
        let compiler;

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: path.resolve(__dirname, "./outputs/write-to-disk-false"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { writeToDisk: false },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should not find the bundle file on disk", (done) => {
          req.get("/bundle.js").expect(200, (error) => {
            if (error) {
              return done(error);
            }

            const bundlePath = path.resolve(
              __dirname,
              "./outputs/write-to-disk-false/bundle.js",
            );

            expect(
              compiler.hooks.assetEmitted.taps.filter(
                (hook) => hook.name === "DevMiddleware",
              ),
            ).toHaveLength(0);
            expect(fs.existsSync(bundlePath)).toBe(false);

            instance.invalidate();

            return compiler.hooks.done.tap(
              "DevMiddlewareWriteToDiskTest",
              () => {
                expect(
                  compiler.hooks.assetEmitted.taps.filter(
                    (hook) => hook.name === "DevMiddleware",
                  ),
                ).toHaveLength(0);

                done();
              },
            );
          });
        });
      });

      describe('should work with "Function" value when it returns "true"', () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/write-to-disk-function-true",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              writeToDisk: (filePath) => /bundle\.js$/.test(filePath),
            },
          );
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it("should find the bundle file on disk", async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);

          const bundlePath = path.resolve(
            __dirname,
            "./outputs/write-to-disk-function-true/bundle.js",
          );

          expect(fs.existsSync(bundlePath)).toBe(true);
        });
      });

      describe('should work with "Function" value when it returns "false"', () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/write-to-disk-function-false",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              writeToDisk: (filePath) => !/bundle\.js$/.test(filePath),
            },
          );
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it("should not find the bundle file on disk", async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);

          const bundlePath = path.resolve(
            __dirname,
            "./outputs/write-to-disk-function-false/bundle.js",
          );

          expect(fs.existsSync(bundlePath)).toBe(false);
        });
      });

      describe("should work when assets have query string", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/write-to-disk-query-string",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackQueryStringConfig,
            output: {
              filename: "bundle.js?[contenthash]",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { writeToDisk: true },
          );
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it("should find the bundle file on disk with no querystring", async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);

          const bundlePath = path.resolve(
            __dirname,
            "./outputs/write-to-disk-query-string/bundle.js",
          );

          expect(fs.existsSync(bundlePath)).toBe(true);
        });
      });

      describe("should work in multi-compiler mode", () => {
        let compiler;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/write-to-disk-multi-compiler/",
        );

        beforeAll(async () => {
          compiler = getCompiler([
            {
              ...webpackMultiWatchOptionsConfig[0],
              output: {
                filename: "bundle.js",
                path: path.resolve(
                  __dirname,
                  "./outputs/write-to-disk-multi-compiler/static-one",
                ),
                publicPath: "/static-one/",
              },
            },
            {
              ...webpackMultiWatchOptionsConfig[1],
              output: {
                filename: "bundle.js",
                path: path.resolve(
                  __dirname,
                  "./outputs/write-to-disk-multi-compiler/static-two",
                ),
                publicPath: "/static-two/",
              },
            },
          ]);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { writeToDisk: true },
          );
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it("should find the bundle files on disk", async () => {
          const response1 = await req.get("/static-one/bundle.js");

          expect(response1.statusCode).toBe(200);

          const response2 = await req.get("/static-two/bundle.js");

          expect(response2.statusCode).toBe(200);

          const bundleFiles = [
            "./outputs/write-to-disk-multi-compiler/static-one/bundle.js",
            "./outputs/write-to-disk-multi-compiler/static-one/index.html",
            "./outputs/write-to-disk-multi-compiler/static-one/svg.svg",
            "./outputs/write-to-disk-multi-compiler/static-two/bundle.js",
          ];

          for (const bundleFile of bundleFiles) {
            const bundlePath = path.resolve(__dirname, bundleFile);

            expect(fs.existsSync(bundlePath)).toBe(true);
          }
        });
      });

      describe('should work with "[hash]"/"[fullhash]" in the "output.path" and "output.publicPath" option', () => {
        let compiler;
        let hash;

        const outputPath = path.resolve(
          __dirname,
          "./outputs/write-to-disk-with-hash/",
        );

        beforeAll(async () => {
          compiler = getCompiler({
            ...webpackConfig,

            output: {
              filename: "bundle.js",
              publicPath: "/static/[fullhash]/",
              path: path.resolve(
                __dirname,
                "./outputs/write-to-disk-with-hash/dist_[fullhash]",
              ),
            },
          });
          compiler.hooks.afterCompile.tap("wdm-test", ({ hash: h }) => {
            hash = h;
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { writeToDisk: true },
          );

          await new Promise((resolve) => {
            const interval = setInterval(() => {
              if (hash) {
                clearInterval(interval);

                resolve();
              }
            }, 10);
          });
        });

        afterAll(async () => {
          await fs.promises.rm(outputPath, {
            recursive: true,
            force: true,
          });
          await close(server, instance);
        });

        it("should find the bundle file on disk", async () => {
          const response = await req.get(`/static/${hash}/bundle.js`);

          expect(response.statusCode).toBe(200);

          const bundlePath = path.resolve(
            __dirname,
            `./outputs/write-to-disk-with-hash/dist_${hash}/bundle.js`,
          );

          expect(fs.existsSync(bundlePath)).toBe(true);
        });
      });
    });

    describe("methods option", () => {
      let compiler;

      beforeAll(async () => {
        compiler = getCompiler(webpackConfig);

        [server, req, instance] = await frameworkFactory(
          name,
          framework,
          compiler,
          {
            methods: ["POST"],
            publicPath: "/public/",
          },
        );
      });

      afterAll(async () => {
        await close(server, instance);
      });

      it('should return the "200" code for the "POST" request to the bundle file', async () => {
        const response = await req.post("/public/bundle.js");

        expect(response.statusCode).toBe(200);
      });

      it('should return the "404" code for the "GET" request to the bundle file', async () => {
        const response = await req.get("/public/bundle.js");

        expect(response.statusCode).toBe(404);
      });

      it('should return the "404" code for the "HEAD" request to the bundle file', async () => {
        const response = await req.head("/public/bundle.js");

        expect(response.statusCode).toBe(404);
      });
    });

    describe("headers option", () => {
      describe("works with object", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              headers: { "X-nonsense-1": "yes", "X-nonsense-2": "no" },
            },
            {
              setupMiddlewares: (middlewares) => {
                applyTestMiddleware(name, middlewares);

                return middlewares;
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and return headers', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["x-nonsense-1"]).toBe("yes");
          expect(response.headers["x-nonsense-2"]).toBe("no");
        });

        it('should return the "200" code for the "GET" request to path not in outputFileSystem but not return headers', async () => {
          const res = await req.get("/file.jpg");
          expect(res.statusCode).toBe(200);
          expect(res.headers["X-nonsense-1"]).toBeUndefined();
          expect(res.headers["X-nonsense-2"]).toBeUndefined();
        });
      });

      describe("works with array of objects", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              headers: [
                {
                  key: "X-Foo",
                  value: "value1",
                },
                {
                  key: "X-Bar",
                  value: "value2",
                },
              ],
            },
            {
              setupMiddlewares: (middlewares) => {
                applyTestMiddleware(name, middlewares);

                return middlewares;
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and return headers', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["x-foo"]).toBe("value1");
          expect(response.headers["x-bar"]).toBe("value2");
        });

        it('should return the "200" code for the "GET" request to path not in outputFileSystem but not return headers', async () => {
          const res = await req.get("/file.jpg");
          expect(res.statusCode).toBe(200);
          expect(res.headers["x-foo"]).toBeUndefined();
          expect(res.headers["x-bar"]).toBeUndefined();
        });
      });

      describe("works with function", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              headers: () => ({ "X-nonsense-1": "yes", "X-nonsense-2": "no" }),
            },
            {
              setupMiddlewares: (middlewares) => {
                applyTestMiddleware(name, middlewares);

                return middlewares;
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and return headers', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["x-nonsense-1"]).toBe("yes");
          expect(response.headers["x-nonsense-2"]).toBe("no");
        });

        it('should return the "200" code for the "GET" request to path not in outputFileSystem but not return headers', async () => {
          const res = await req.get("/file.jpg");
          expect(res.statusCode).toBe(200);
          expect(res.headers["X-nonsense-1"]).toBeUndefined();
          expect(res.headers["X-nonsense-2"]).toBeUndefined();
        });
      });

      describe("works with function returning an array", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              headers: () => [
                {
                  key: "X-Foo",
                  value: "value1",
                },
                {
                  key: "X-Bar",
                  value: "value2",
                },
              ],
            },
            {
              setupMiddlewares: (middlewares) => {
                applyTestMiddleware(name, middlewares);

                return middlewares;
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and return headers', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["x-foo"]).toBe("value1");
          expect(response.headers["x-bar"]).toBe("value2");
        });

        it('should return the "200" code for the "GET" request to path not in outputFileSystem but not return headers', async () => {
          const res = await req.get("/file.jpg");
          expect(res.statusCode).toBe(200);
          expect(res.headers["x-foo"]).toBeUndefined();
          expect(res.headers["x-bar"]).toBeUndefined();
        });
      });

      describe("works with headers function with params", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              // eslint-disable-next-line no-unused-vars
              headers: (req, res, context) => {
                res.setHeader("X-nonsense-1", "yes");
                res.setHeader("X-nonsense-2", "no");
              },
            },
            {
              setupMiddlewares: (middlewares) => {
                applyTestMiddleware(name, middlewares);

                return middlewares;
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and return headers', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["x-nonsense-1"]).toBe("yes");
          expect(response.headers["x-nonsense-2"]).toBe("no");
        });

        it('should return the "200" code for the "GET" request to path not in outputFileSystem but not return headers', async () => {
          const res = await req.get("/file.jpg");

          expect(res.statusCode).toBe(200);
          expect(res.headers["X-nonsense-1"]).toBeUndefined();
          expect(res.headers["X-nonsense-2"]).toBeUndefined();
        });
      });
    });

    describe("publicPath option", () => {
      describe('should work with "string" value', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { publicPath: "/public/" },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/public/bundle.js");

          expect(response.statusCode).toBe(200);
        });
      });

      describe('should work with "auto" value', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { publicPath: "auto" },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
        });
      });
    });

    describe("serverSideRender option", () => {
      let locals;

      beforeAll(async () => {
        const compiler = getCompiler(webpackConfig);

        [server, req, instance] = await frameworkFactory(
          name,
          framework,
          compiler,
          { serverSideRender: true },
          {
            setupMiddlewares: (middlewares) => {
              if (name === "koa") {
                middlewares.push(async (ctx, next) => {
                  locals = ctx.state;

                  ctx.status = 200;

                  await next();
                });
              } else if (name === "hono") {
                middlewares.push((c) => {
                  locals = { webpack: c.get("webpack") };

                  return c.body("welcome", 200);
                });
              } else if (name === "hapi") {
                middlewares.push({
                  plugin: {
                    name: "myPlugin",
                    version: "1.0.0",
                    register(innerServer) {
                      innerServer.route({
                        method: "GET",
                        path: "/foo/bar",
                        handler(innerReq) {
                          locals = innerReq.raw.res.locals;

                          return "welcome";
                        },
                      });
                    },
                  },
                });
              } else {
                middlewares.push((_req, res) => {
                  locals = res.locals;

                  // Express API
                  if (res.sendStatus) {
                    res.sendStatus(200);
                  }
                  // Connect API
                  else {
                    res.statusCode = 200;
                    res.end();
                  }
                });
              }

              return middlewares;
            },
          },
        );
      });

      afterAll(async () => {
        await close(server, instance);
      });

      it('should return the "200" code for the "GET" request', async () => {
        const response = await req.get("/foo/bar");

        expect(response.statusCode).toBe(200);
        expect(locals.webpack.devMiddleware).toBeDefined();
      });
    });

    describe("outputFileSystem option", () => {
      describe("should work with an unspecified value", () => {
        let compiler;

        beforeAll(async () => {
          compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should use the "memfs" package by default', () => {
          const { Stats: fsStats } = memfs;

          expect(new compiler.outputFileSystem.Stats()).toBeInstanceOf(fsStats);
          expect(new instance.context.outputFileSystem.Stats()).toBeInstanceOf(
            fsStats,
          );
        });
      });

      describe("should work with the configured value (native fs)", () => {
        let compiler;

        beforeAll(async () => {
          compiler = getCompiler(webpackConfig);

          const configuredFs = fs;

          configuredFs.join = path.join.bind(path);
          configuredFs.mkdirp = () => {};

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              outputFileSystem: configuredFs,
            },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should use the configurated output filesystem", () => {
          const { Stats: fsStats } = fs;

          expect(new compiler.outputFileSystem.Stats()).toBeInstanceOf(fsStats);
          expect(new instance.context.outputFileSystem.Stats()).toBeInstanceOf(
            fsStats,
          );
          expect(compiler.outputFileSystem).toHaveProperty("join");
          expect(compiler.outputFileSystem).toHaveProperty("mkdirp");
        });
      });

      describe("should work with the configured value (memfs)", () => {
        let compiler;

        beforeAll(async () => {
          compiler = getCompiler(webpackConfig);

          const configuredFs = createFsFromVolume(new Volume());

          configuredFs.join = path.join.bind(path);
          configuredFs.mkdirp = () => {};

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              outputFileSystem: configuredFs,
            },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should use the configured output filesystem", () => {
          const { Stats: fsStats } = memfs;

          expect(new compiler.outputFileSystem.Stats()).toBeInstanceOf(fsStats);
          expect(new instance.context.outputFileSystem.Stats()).toBeInstanceOf(
            fsStats,
          );
          expect(compiler.outputFileSystem).toHaveProperty("join");
          expect(compiler.outputFileSystem).toHaveProperty("mkdirp");
          expect(compiler.outputFileSystem).toHaveProperty("mkdirSync");
        });
      });

      describe("should work with the configured value in multi-compiler mode (native fs)", () => {
        let compiler;

        beforeAll(async () => {
          compiler = getCompiler(webpackMultiConfig);

          const configuredFs = fs;

          configuredFs.join = path.join.bind(path);
          configuredFs.mkdirp = () => {};

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              outputFileSystem: configuredFs,
            },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should use configured output filesystems", () => {
          const { Stats: fsStats } = fs;

          for (const childCompiler of compiler.compilers) {
            expect(new childCompiler.outputFileSystem.Stats()).toBeInstanceOf(
              fsStats,
            );
            expect(childCompiler.outputFileSystem).toHaveProperty("join");
            expect(childCompiler.outputFileSystem).toHaveProperty("mkdirp");
          }

          expect(new instance.context.outputFileSystem.Stats()).toBeInstanceOf(
            fsStats,
          );
          expect(instance.context.outputFileSystem).toHaveProperty("join");
          expect(instance.context.outputFileSystem).toHaveProperty("mkdirp");
        });
      });
    });

    describe("index option", () => {
      describe('should work with "false" value', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { index: false, publicPath: "/" },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "404" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
          expect(response.headers["content-type"]).toEqual(
            get404ContentTypeHeader(name),
          );
        });

        it('should return the "200" code for the "GET" request to the "index.html" file', async () => {
          const response = await req.get("/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should work with "true" value', () => {
        beforeAll(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { index: true, publicPath: "/" },
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });

        it('should return the "200" code for the "GET" request to the public path #2', async () => {
          const response = await req.get("/index.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should work with "string" value', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              index: "default.html",
              publicPath: "/",
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "default.html"),
            "hello",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should work with "string" value with a custom extension', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              index: "index.custom",
              publicPath: "/",
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "index.custom"),
            "hello",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
        });
      });

      describe('should work with "string" value with a custom extension and defined a custom MIME type', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              index: "index.mycustom",
              mimeTypes: {
                mycustom: "text/html",
              },
              publicPath: "/",
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "index.mycustom"),
            "hello",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
        });
      });

      describe('should work with "string" value without an extension', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { index: "noextension" },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "noextension"),
            "hello",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(200);
        });
      });

      describe('should work with "string" value but the "index" option is a directory', () => {
        beforeAll(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              index: "custom.html",
              publicPath: "/",
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.mkdirSync(
            path.resolve(outputPath, "custom.html"),
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it('should return the "404" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });

      describe("should not handle request when index is neither a file nor a directory", () => {
        let compiler;
        let isDirectory;

        beforeAll(async () => {
          compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              index: "default.html",
              publicPath: "/",
            },
          );

          isDirectory = jest
            .spyOn(instance.context.outputFileSystem, "statSync")
            .mockReturnValue({
              isFile: () => false,
              isDirectory: () => false,
            });
        });

        afterAll(async () => {
          isDirectory.mockRestore();

          await close(server, instance);
        });

        it('should return the "404" code for the "GET" request to the public path', async () => {
          const response = await req.get("/");

          expect(response.statusCode).toBe(404);
        });
      });
    });

    describe("modifyResponseData option", () => {
      describe("should work", () => {
        let compiler;

        beforeAll(async () => {
          const outputPath = path.resolve(
            __dirname,
            "./outputs/modify-response-data",
          );

          compiler = getCompiler({
            ...webpackConfig,
            output: {
              filename: "bundle.js",
              path: outputPath,
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              modifyResponseData: () => {
                const result = Buffer.from("test");

                return { data: result, byteLength: result.length };
              },
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.html"),
            "welcome",
          );
        });

        afterAll(async () => {
          await close(server, instance);
        });

        it("should modify file", async () => {
          const response = await req.get("/file.html");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toBe(
            "text/html; charset=utf-8",
          );
          expect(response.text).toBe("test");
        });
      });
    });

    describe("etag", () => {
      describe("should work and generate weak etag", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              etag: "weak",
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and set weak etag', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers.etag).toBeDefined();
          expect(response.headers.etag.startsWith("W/")).toBe(true);
        });

        it('should return the "304" code for the "GET" request to the bundle file with etag and "if-none-match" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers.etag).toBeDefined();
          expect(response1.headers.etag.startsWith("W/")).toBe(true);

          const response2 = await req
            .get("/bundle.js")
            .set("if-none-match", response1.headers.etag);

          expect(response2.statusCode).toBe(304);
          expect(response2.headers.etag).toBeDefined();
          expect(response2.headers.etag.startsWith("W/")).toBe(true);

          const response3 = await req
            .get("/bundle.js")
            .set("if-none-match", `${response1.headers.etag}, test`);

          expect(response3.statusCode).toBe(304);
          expect(response3.headers.etag).toBeDefined();
          expect(response3.headers.etag.startsWith("W/")).toBe(true);

          const response4 = await req
            .get("/bundle.js")
            .set("if-none-match", "*");

          expect(response4.statusCode).toBe(304);
          expect(response4.headers.etag).toBeDefined();
          expect(response4.headers.etag.startsWith("W/")).toBe(true);

          const response5 = await req
            .get("/bundle.js")
            .set("if-none-match", "test");

          expect(response5.statusCode).toBe(200);
          expect(response5.headers.etag).toBeDefined();
          expect(response5.headers.etag.startsWith("W/")).toBe(true);
        });

        it('should return the "200" code for the "GET" request to the bundle file with etag and "if-match" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers.etag).toBeDefined();
          expect(response1.headers.etag.startsWith("W/")).toBe(true);

          const response2 = await req
            .get("/bundle.js")
            .set("if-match", response1.headers.etag);

          expect(response2.statusCode).toBe(200);
          expect(response2.headers.etag).toBeDefined();
          expect(response2.headers.etag.startsWith("W/")).toBe(true);

          const response3 = await req
            .get("/bundle.js")
            .set("if-match", `${response1.headers.etag}, foo`);

          expect(response3.statusCode).toBe(200);
          expect(response3.headers.etag).toBeDefined();
          expect(response3.headers.etag.startsWith("W/")).toBe(true);

          const response4 = await req.get("/bundle.js").set("if-match", "*");

          expect(response4.statusCode).toBe(200);
          expect(response4.headers.etag).toBeDefined();
          expect(response4.headers.etag.startsWith("W/")).toBe(true);

          const response5 = await req.get("/bundle.js").set("if-match", "test");

          expect(response5.statusCode).toBe(412);
        });

        it('should return the "412" code for the "GET" request to the bundle file with etag and wrong "if-match" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers.etag).toBeDefined();
          expect(response1.headers.etag.startsWith("W/")).toBe(true);

          const response2 = await req.get("/bundle.js").set("if-match", "test");

          expect(response2.statusCode).toBe(412);
        });

        it('should return the "200" code for the "GET" request to the bundle file with etag and "if-match" and "cache-control: no-cache" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers.etag).toBeDefined();
          expect(response1.headers.etag.startsWith("W/")).toBe(true);

          const response2 = await req
            .get("/bundle.js")
            .set("if-match", response1.headers.etag)
            .set("Cache-Control", "no-cache");

          expect(response2.statusCode).toBe(200);
          expect(response2.headers.etag).toBeDefined();
          expect(response2.headers.etag.startsWith("W/")).toBe(true);
        });

        it('should return the "206" code for the "GET" request with the valid range header and "if-range" header', async () => {
          const response = await req
            .get("/bundle.js")
            .set("if-range", '"test"')
            .set("Range", "bytes=3000-3500");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.headers.etag).toBeDefined();
          expect(response.headers.etag.startsWith("W/")).toBe(true);
        });
      });

      describe("should work and generate strong etag", () => {
        beforeEach(async () => {
          const outputPath = path.resolve(__dirname, "./outputs/basic");
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              etag: "strong",
            },
          );

          instance.context.outputFileSystem.mkdirSync(outputPath, {
            recursive: true,
          });
          instance.context.outputFileSystem.writeFileSync(
            path.resolve(outputPath, "file.txt"),
            "",
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and set strong etag', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers.etag).toBeDefined();
          expect(
            /[0-9a-f]{1,}-[0-9a-z+/=]{27}/i.test(response.headers.etag),
          ).toBe(true);
        });

        it('should return the "200" code for the "GET" request to the file.txt and set strong etag on empty file', async () => {
          const response = await req.get("/file.txt");

          expect(response.statusCode).toBe(200);
          expect(response.headers.etag).toBeDefined();
          expect(
            /[0-9a-f]{1,}-[0-9a-z+/=]{27}/i.test(response.headers.etag),
          ).toBe(true);
        });

        it('should return the "200" code for the "GET" request with the valid range header and wrong "If-Range" header', async () => {
          const response = await req
            .get("/bundle.js")
            .set("Range", "bytes=3000-3500");

          expect(response.statusCode).toBe(206);
          expect(response.headers["content-length"]).toBe("501");
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.text).toHaveLength(501);
          expect(response.headers.etag).toBeDefined();

          const response1 = await req
            .get("/bundle.js")
            .set("If-Range", '"test')
            .set("Range", "bytes=3000-3500");

          expect(response1.statusCode).toBe(200);
        });
      });

      describe("should work and generate strong etag without createReadStream", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              etag: "strong",
            },
          );

          instance.context.outputFileSystem.createReadStream = null;
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and set weak etag', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers.etag).toBeDefined();
          expect(
            /[0-9a-f]{1,}-[0-9a-z+/=]{27}/i.test(response.headers.etag),
          ).toBe(true);
        });
      });

      describe("should work and without etag generation and `if-none-match` header", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and `if-none-match` header without etag', async () => {
          const response = await req
            .get("/bundle.js")
            .set("if-none-match", "etag");

          expect(response.statusCode).toBe(200);
          expect(response.headers.etag).toBeUndefined();
        });
      });
    });

    describe("lastModified", () => {
      describe("should work and generate Last-Modified header", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              lastModified: true,
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and set "Last-Modified"', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["last-modified"]).toBeDefined();
        });

        it('should return the "304" code for the "GET" request to the bundle file with "Last-Modified" and "if-modified-since" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();

          const response2 = await req
            .get("/bundle.js")
            .set("if-modified-since", response1.headers["last-modified"]);

          expect(response2.statusCode).toBe(304);
          expect(response2.headers["last-modified"]).toBeDefined();

          const response3 = await req
            .get("/bundle.js")
            .set(
              "if-modified-since",
              new Date(
                parseHttpDate(response1.headers["last-modified"]) - 1000,
              ).toUTCString(),
            );

          expect(response3.statusCode).toBe(200);
          expect(response3.headers["last-modified"]).toBeDefined();
        });

        it('should return the "200" code for the "GET" request to the bundle file with "Last-Modified" and "if-unmodified-since" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();

          const response2 = await req
            .get("/bundle.js")
            .set("if-unmodified-since", response1.headers["last-modified"]);

          expect(response2.statusCode).toBe(200);
          expect(response2.headers["last-modified"]).toBeDefined();

          const response3 = await req
            .get("/bundle.js")
            .set("if-unmodified-since", "Fri, 29 Mar 2020 10:25:50 GMT");

          expect(response3.statusCode).toBe(412);
        });

        it('should return the "412" code for the "GET" request to the bundle file with etag and "if-unmodified-since" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();

          const response2 = await req
            .get("/bundle.js")
            .set(
              "if-unmodified-since",
              new Date(
                parseHttpDate(response1.headers["last-modified"]) - 1000,
              ).toUTCString(),
            );

          expect(response2.statusCode).toBe(412);
        });

        it('should return the "200" code for the "GET" request to the bundle file with etag and "if-match" and "cache-control: no-cache" header', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();

          const response2 = await req
            .get("/bundle.js")
            .set("if-unmodified-since", response1.headers["last-modified"])
            .set("Cache-Control", "no-cache");

          expect(response2.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();
        });

        it('should return the "200" code for the "GET" request with the valid range header and old "if-range" header', async () => {
          const response = await req
            .get("/bundle.js")
            .set("if-range", new Date(1000).toUTCString())
            .set("Range", "bytes=3000-3500");

          expect(response.statusCode).toBe(200);
          expect(response.headers["content-type"]).toEqual(
            getContentTypeHeader(),
          );
          expect(response.headers["last-modified"]).toBeDefined();
        });
      });

      describe('should work and prefer "if-match" and "if-none-match"', () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              etag: "weak",
              lastModified: true,
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "304" code for the "GET" request to the bundle file and prefer "if-match" over "if-unmodified-since"', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();
          expect(response1.headers.etag).toBeDefined();

          const response2 = await req
            .get("/bundle.js")
            .set("if-match", response1.headers.etag)
            .set(
              "if-unmodified-since",
              new Date(
                parseHttpDate(response1.headers["last-modified"]) - 1000,
              ).toUTCString(),
            );

          expect(response2.statusCode).toBe(200);
          expect(response2.headers["last-modified"]).toBeDefined();
          expect(response2.headers.etag).toBeDefined();
        });

        it('should return the "304" code for the "GET" request to the bundle file and prefer "if-none-match" over "if-modified-since"', async () => {
          const response1 = await req.get("/bundle.js");

          expect(response1.statusCode).toBe(200);
          expect(response1.headers["last-modified"]).toBeDefined();
          expect(response1.headers.etag).toBeDefined();

          const response2 = await req
            .get("/bundle.js")
            .set("if-none-match", response1.headers.etag)
            .set(
              "if-modified-since",
              new Date(
                parseHttpDate(response1.headers["last-modified"]) - 1000,
              ).toUTCString(),
            );

          expect(response2.statusCode).toBe(304);
          expect(response2.headers["last-modified"]).toBeDefined();
          expect(response2.headers.etag).toBeDefined();
        });
      });
    });

    describe("cacheControl", () => {
      describe("should work and don't generate `Cache-Control` header by default", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeUndefined();
        });
      });

      describe("should work and generate `Cache-Control` header when it is `true`", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheControl: true },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000",
          );
        });
      });

      describe("should work and generate `Cache-Control` header when it is a number", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheControl: 100000 },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe("public, max-age=100");
        });
      });

      describe("should work and generate `Cache-Control` header when it is a string", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheControl: "max-age=123456" },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe("max-age=123456");
        });
      });

      describe("should work and generate `Cache-Control` header when it is an object with max-age and immutable", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              cacheControl: {
                maxAge: 100000,
                immutable: true,
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=100, immutable",
          );
        });
      });

      describe("should work and generate `Cache-Control` header when it is an object without max-age, but with immutable", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              cacheControl: {
                immutable: true,
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });
      });

      describe("should work and generate `Cache-Control` header when it is an object with max-age, but without immutable", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              cacheControl: {
                maxAge: 100000,
              },
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe("public, max-age=100");
        });
      });

      describe("should work and generate `Cache-Control` header when it is an object without max-age and immutable", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfig);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            {
              cacheControl: {},
            },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/bundle.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000",
          );
        });
      });
    });

    describe("cacheImmutable", () => {
      describe("should work and generate `Cache-Control` header for immutable assets with publicPath", () => {
        beforeEach(async () => {
          const compiler = getCompiler(webpackConfigImmutable);

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/static/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeUndefined();
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header', async () => {
          const response = await req.get("/static/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });
      });

      describe("should work and generate `Cache-Control` header for immutable assets without publicPath", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: true },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeUndefined();
        });

        it('should return the "200" code for the "GET" request to the bundle file and `Cache-Control` header', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });
      });

      describe("should work and generate `Cache-Control` header for immutable assets and take preference over the `cacheControl` option", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: true, cacheControl: 1000000 },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=1000",
          );
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header #2', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });
      });

      describe("should not generate `Cache-Control` header for immutable assets when cacheImmutable is false", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeUndefined();
        });

        it('should return the "200" code for the "GET" request to the immutable asset and don\'t generate `Cache-Control` header', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeUndefined();
        });
      });

      describe("should use cacheControl option when cacheImmutable is false even for immutable assets", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false, cacheControl: 1000000 },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header from cacheControl option', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=1000",
          );
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header from cacheControl option (not immutable)', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=1000",
          );
        });
      });

      describe("should use cacheControl string option when cacheImmutable is false", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false, cacheControl: "max-age=500" },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header from cacheControl string option without immutable', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe("max-age=500");
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header from cacheControl string option without immutable', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe("max-age=500");
        });
      });

      describe("should use cacheControl object option when cacheImmutable is false", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false, cacheControl: { maxAge: 2000000 } },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header from cacheControl object option without immutable', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=2000",
          );
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header from cacheControl object option without immutable', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=2000",
          );
        });
      });

      describe("should use cacheControl object option (with only immutable: true) when cacheImmutable is false, and add 'immutable' to Cache-Control header", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false, cacheControl: { immutable: true } },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header from cacheControl object option without immutable', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header from cacheControl object option without immutable', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });
      });

      describe("should use cacheControl object option with explicit immutable false", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheControl: { maxAge: 3000000, immutable: false } },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header without immutable when explicitly set to false', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=3000",
          );
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header without immutable when explicitly set to false', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000, immutable",
          );
        });
      });

      describe("should use cacheControl boolean option when cacheImmutable is false", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false, cacheControl: true },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header from cacheControl boolean option without immutable', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000",
          );
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header from cacheControl boolean option without immutable', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=31536000",
          );
        });
      });

      describe("should use cacheControl number option when cacheImmutable is false without immutable", () => {
        beforeEach(async () => {
          const compiler = getCompiler({
            ...webpackConfigImmutable,
            output: {
              path: path.resolve(__dirname, "./outputs/basic"),
            },
          });

          [server, req, instance] = await frameworkFactory(
            name,
            framework,
            compiler,
            { cacheImmutable: false, cacheControl: 5000000 },
          );
        });

        afterEach(async () => {
          await close(server, instance);
        });

        it('should return the "200" code for the "GET" request to the bundle file and generate `Cache-Control` header from cacheControl number option without immutable', async () => {
          const response = await req.get("/main.js");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=5000",
          );
        });

        it('should return the "200" code for the "GET" request to the immutable asset and generate `Cache-Control` header from cacheControl number option without immutable', async () => {
          const response = await req.get("/6076fc274f403ebb2d09.svg");

          expect(response.statusCode).toBe(200);
          expect(response.headers["cache-control"]).toBeDefined();
          expect(response.headers["cache-control"]).toBe(
            "public, max-age=5000",
          );
        });
      });
    });
  });
});