Render tests

mermaid-graph/Commands.cs

@@ -10,9 +10,10 @@
 /// </summary>
 public class Commands
 {
-    private readonly StringBuilder _graph;
+    public const string MermaidBegin = Fence + "mermaid";
+    public const string Fence = "```";
 
-    private const string Fence = "```";
+    private readonly StringBuilder _graph;
 
     /// <summary>
     /// Initialize the graph output
@@ -93,7 +94,7 @@
 
     private void Header(string title)
     {
-        _graph.AppendLine(Fence + "mermaid");
+        _graph.AppendLine(MermaidBegin);
         _graph.AppendLine($"""
                            ---
                            title: {title}

mermaid-graphTests/CommandsTests.cs

@@ -1,12 +1,34 @@
-using NUnit.Framework;
+using Microsoft.ClearScript.V8;
+using NUnit.Framework;
 using Assert = NUnit.Framework.Assert;
 
 namespace MermaidGraph.Tests;
 
-[TestFixture()]
+[TestFixture]
 public class CommandsTests
 {
-    [Test()]
+    private V8ScriptEngine? _engine;
+    private V8ScriptEngine Js {
+        get
+        {
+            if (_engine is null)
+            {
+                _engine ??= new V8ScriptEngine();
+                _engine.Execute(File.ReadAllText("js\\mermaid.min.js"));
+                _engine.Script.mermaid.initialize();
+            }
+
+            return _engine;
+        }
+    }
+
+    [OneTimeTearDown]
+    public void Disposal()
+    {
+        _engine?.Dispose();
+    }
+
+    [Test]
     public void DogFoodSolutionTest()
     {
         var solutionPath = FindFileDownTree("*.sln");
@@ -16,10 +38,14 @@ public void DogFoodSolutionTest()
         var graph = new Commands().Solution(info);
 
         Console.WriteLine(graph);
+
+        var graphType = DetectType(ExtractMermaid(graph));
+        Assert.That(graphType, Is.EqualTo("class"));
+        Console.WriteLine(graphType);
     }
 
-    [Test()]
-    public void DogFoodProjectTest()
+    [Test]
+    public void DogFoodProjectTestAsync()
     {
         var filePath = FindFileDownTree("*.csproj");
         Assert.That(filePath, Is.Not.Null);
@@ -28,27 +54,29 @@ public void DogFoodProjectTest()
         var graph = new Commands().Project(info);
 
         Console.WriteLine(graph);
+
+        var graphType = DetectType(ExtractMermaid(graph));
+        Assert.That(graphType, Is.EqualTo("class"));
+        Console.WriteLine(graphType);
     }
 
-    [Test()]
+    [Test]
     public void CommandLineProjectTest()
     {
         var filePath = FindFileDownTree("*.csproj");
         Assert.That(filePath, Is.Not.Null);
-
         Assert.That(Program.Main(filePath), Is.EqualTo(0));
     }
 
-    [Test()]
+    [Test]
     public void CommandLineSolutionTest()
     {
         var filePath = FindFileDownTree("*.sln");
         Assert.That(filePath, Is.Not.Null);
-
         Assert.That(Program.Main(filePath), Is.EqualTo(0));
     }
 
-    [Test()]
+    [Test]
     [TestCase(null, 1)]
     [TestCase("File Not Found", 2)]
     [TestCase("mermaid-graph.dll", 3)]
@@ -57,11 +85,24 @@ public void CommandLineFailTests(string? file, int hResult)
     {
         var filePath = FindFileDownTree("*.csproj");
         Assert.That(filePath, Is.Not.Null);
-
         Assert.That(Program.Main(file), Is.EqualTo(hResult));
     }
 
-    public static string? FindFileDownTree(string searchPattern)
+    private static string ExtractMermaid(string markup)
+    {
+        Assert.That(markup, Does.StartWith(Commands.MermaidBegin));
+        markup = markup.Substring(Commands.MermaidBegin.Length + Environment.NewLine.Length);
+
+        Assert.That(markup, Does.EndWith(Commands.Fence + Environment.NewLine));
+        return markup.Substring(0, markup.Length - Commands.MermaidBegin.Length + Environment.NewLine.Length);
+    }
+
+    private string? DetectType(string markup)
+    {
+        return Js.Script.mermaid.detectType(markup);
+    }
+
+    private static string? FindFileDownTree(string searchPattern)
     {
         var currentDir = Directory.GetCurrentDirectory();
 

mermaid-graphTests/MermaidGraphTests.csproj

@@ -17,6 +17,8 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="Microsoft.ClearScript.V8" Version="7.4.5" />
+    <PackageReference Include="Microsoft.ClearScript.V8.Native.win-x64" Version="7.4.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.3" />
     <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />
@@ -36,4 +38,10 @@
     <Using Include="Microsoft.VisualStudio.TestTools.UnitTesting" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="js\mermaid.min.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>