Add Test Configuration Sample

.github/ci-gradle.properties

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+#
+# Copyright 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+org.gradle.daemon=false
+org.gradle.parallel=true
+org.gradle.jvmargs=-Xmx5120m
+org.gradle.workers.max=2
+
+kotlin.incremental=false
+kotlin.compiler.execution.strategy=in-process
+
+# Controls KotlinOptions.allWarningsAsErrors. This is used in CI and can be set in local properties.
+warningsAsErrors=true

.github/workflows/TestConfigurationSample.yaml

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+name: TestConfigurationSample
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'TestConfigurationSample/**'
+  pull_request:
+    paths:
+      - 'TestConfigurationSample/**'
+
+env:
+  SAMPLE_PATH: TestConfigurationSample
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Generate cache key
+        run: ./scripts/checksum.sh $SAMPLE_PATH checksum.txt
+
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches/modules-*
+            ~/.gradle/caches/jars-*
+            ~/.gradle/caches/build-cache-*
+          key: gradle-${{ hashFiles('checksum.txt') }}
+
+      - name: Build project and run local tests
+        working-directory: ${{ env.SAMPLE_PATH }}
+        run: ./gradlew spotlessCheck assembleDebug lintDebug testDebug --stacktrace --no-build-cache --rerun-tasks
+
+  gradleManagedVirtualDevicesTest:
+    needs: build
+    runs-on: macos-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Generate cache key for Gradle cache
+        run: ./scripts/checksum.sh $SAMPLE_PATH checksum.txt
+
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches/modules-*
+            ~/.gradle/caches/jars-*
+            ~/.gradle/caches/build-cache-*
+          key: gradle-${{ hashFiles('checksum.txt') }}
+
+      - name: Cache pixel2api29 system image
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.android/gradle/avd/dev29_aosp_x86_Pixel_2.ini
+            ~/.android/gradle/avd/dev29_aosp_x86_Pixel_2.avd
+          key: pixel2api29
+
+      - name: Run all tests
+        working-directory: ${{ env.SAMPLE_PATH }}
+        run: ./gradlew pixel2api29DebugAndroidTest
+
+#      - name: Run regression tests
+#        working-directory: ${{ env.SAMPLE_PATH }}
+#        run: ./gradlew -i pixel2api26DebugAndroidTest -Pandroid.testInstrumentationRunnerArguments.annotation=com.example.android.testing.testconfigurationsample.TestDeviceApi26
+#
+#      - name: Run large screen tests
+#        working-directory: ${{ env.SAMPLE_PATH }}
+#        run: ./gradlew -i nexus9api29DebugAndroidTest -Pandroid.testInstrumentationRunnerArguments.annotation=com.example.android.testing.testconfigurationsample.TestDeviceLargeScreen
+
+      - name: Upload test reports
+        if: always()
+        uses: actions/upload-artifact@v2
+        with:
+          name: test-reports
+          path: ${{ env.SAMPLE_PATH }}/app/build/reports/androidTests

TestConfigurationSample/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

TestConfigurationSample/.google/packaging.yaml

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+
+# Copyright (C) 2021 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# GOOGLE SAMPLE PACKAGING DATA
+#
+# This file is used by Google as part of our samples packaging process.
+# End users may safely ignore this file. It has no relevance to other systems.
+---
+status:       PUBLISHED
+technologies: [Android]
+categories:   [Testing]
+languages:    [Kotlin]
+solutions:    [Mobile]
+github:       android/testing-samples
+level:        INTERMEDIATE
+apiRefs:
+  - android:androidx.compose.Composable
+license: apache2

TestConfigurationSample/README.md

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+# Test Configuration Sample

TestConfigurationSample/app/.gitignore

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+/build

TestConfigurationSample/app/build.gradle

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+import com.android.build.api.dsl.ManagedVirtualDevice
+
+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    compileSdk 31
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.example.android.testing.testconfigurationsample"
+        minSdk 23
+        targetSdk 31
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        compose true
+    }
+    composeOptions {
+        kotlinCompilerExtensionVersion compose_version
+    }
+    packagingOptions {
+        resources {
+            excludes += ['/META-INF/AL2.0', '/META-INF/LGPL2.1']
+        }
+    }
+
+
+    testOptions {
+        devices {
+            pixel2api29(ManagedVirtualDevice) {
+                // Use device profiles you typically see in Android Studio
+                device = "Pixel 2"
+                apiLevel = 29
+                // You can also specify "google" if you require Google Play Services.
+                systemImageSource = "aosp"
+                abi = "x86"
+            }
+            pixel2api26(ManagedVirtualDevice) {
+                device = "Pixel 2"
+                apiLevel = 26
+                systemImageSource = "aosp"
+                abi = "x86"
+            }
+            nexus9api29(ManagedVirtualDevice) {
+                device = "Nexus 9"
+                apiLevel = 29
+                systemImageSource = "aosp"
+                abi = "x86"
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation "com.google.android.material:material:$material_version"
+    implementation "androidx.compose.ui:ui:$compose_version"
+    implementation "androidx.compose.material:material:$compose_version"
+    implementation "androidx.compose.ui:ui-tooling:$compose_version"
+    implementation "androidx.activity:activity-compose:$activity_compose_version"
+    androidTestImplementation "androidx.test.ext:junit:$junit_version"
+    androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version"
+}

TestConfigurationSample/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

TestConfigurationSample/app/src/androidTest/java/com/example/android/testing/testconfigurationsample/MainActivityTests.kt

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+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.testing.testconfigurationsample
+
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertTrue
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class MainActivityTests {
+    @get:Rule
+    val composeTestRule = createAndroidComposeRule<MainActivity>()
+
+    @Test
+    fun sampleTest1() {
+        // Add instrumented tests here
+        runBlocking { delay(10000) }
+        assertTrue(true)
+    }
+
+    @Test
+    fun sampleTest2() {
+        // Add instrumented tests here
+        runBlocking { delay(10000) }
+        assertTrue(true)
+    }
+
+    @Test
+    fun sampleTest3() {
+        // Add instrumented tests here
+        runBlocking { delay(10000) }
+        assertTrue(true)
+    }
+
+    @Test
+    fun sampleTest4() {
+        // Add instrumented tests here
+        runBlocking { delay(10000) }
+        assertTrue(true)
+    }
+
+    /**
+     * When you find an issue with a specific device or API level,
+     * you can create an annotation for it and add it to your test.
+     * In your CI setup you can then run tests with these annotations
+     * on a specific Gradle Managed Virtual Device.
+     *
+     * See the Github Actions setup of this project for an example.
+     */
+    @Test @TestDeviceApi26
+    fun regressionTestKnownIssueApi26() {
+        // Add instrumented tests here
+        runBlocking { delay(10000) }
+        assertTrue(true)
+    }
+}

TestConfigurationSample/app/src/androidTest/java/com/example/android/testing/testconfigurationsample/TestDeviceAnnotations.kt

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+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.android.testing.testconfigurationsample
+
+/**
+ * Annotate tests with this annotation when testing API 26 regression bugs.
+ */
+annotation class TestDeviceApi26
+
+/**
+ * Annotate tests with this annotation when testing large-screen specific features.
+ */
+annotation class TestDeviceLargeScreen