Move android_plugin_example_app_build_test from devicelab to tool integration tests (#74685)

dev/devicelab/bin/tasks/android_plugin_example_app_build_test.dart

-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:io';
-
-import 'package:flutter_devicelab/framework/framework.dart';
-import 'package:flutter_devicelab/framework/task_result.dart';
-import 'package:flutter_devicelab/framework/utils.dart';
-import 'package:path/path.dart' as path;
-
-final String gradlew = Platform.isWindows ? 'gradlew.bat' : 'gradlew';
-final String gradlewExecutable = Platform.isWindows ? '.\\$gradlew' : './$gradlew';
-
-/// Tests that a plugin example app can be built using the current Flutter Gradle plugin.
-Future<void> main() async {
-  await task(() async {
-    section('Find Java');
-
-    final String javaHome = await findJavaHome();
-    if (javaHome == null) {
-      return TaskResult.failure('Could not find Java');
-    }
-
-    print('\nUsing JAVA_HOME=$javaHome');
-
-    section('Create Flutter plugin project');
-
-    await flutter(
-      'precache',
-      options: <String>['--android', '--no-ios'],
-    );
-
-    final Directory tempDir =
-        Directory.systemTemp.createTempSync('flutter_plugin_test.');
-    final Directory projectDir =
-        Directory(path.join(tempDir.path, 'plugin_test'));
-    try {
-      await inDirectory(tempDir, () async {
-        await flutter(
-          'create',
-          options: <String>[
-            '--template=plugin',
-            '--platforms=android',
-            'plugin_test',
-          ],
-        );
-      });
-
-      final Directory exampleAppDir =
-          Directory(path.join(projectDir.path, 'example'));
-      if (!exists(exampleAppDir)) {
-        return TaskResult.failure('Example app directory doesn\'t exist');
-      }
-
-      final File buildGradleFile =
-          File(path.join(exampleAppDir.path, 'android', 'build.gradle'));
-
-      if (!exists(buildGradleFile)) {
-        return TaskResult.failure('$buildGradleFile doesn\'t exist');
-      }
-
-      final String buildGradle = buildGradleFile.readAsStringSync();
-      final RegExp androidPluginRegExp =
-          RegExp(r'com\.android\.tools\.build:gradle:(\d+\.\d+\.\d+)');
-
-      section('Use AGP 4.1.0');
-
-      String newBuildGradle = buildGradle.replaceAll(
-          androidPluginRegExp, 'com.android.tools.build:gradle:4.1.0');
-      print(newBuildGradle);
-      buildGradleFile.writeAsString(newBuildGradle);
-
-      section('Run flutter build apk using AGP 4.1.0');
-
-      await inDirectory(exampleAppDir, () async {
-        await flutter(
-          'build',
-          options: <String>[
-            'apk',
-            '--target-platform=android-arm',
-          ],
-        );
-      });
-
-      final String exampleApk = path.join(
-        exampleAppDir.path,
-        'build',
-        'app',
-        'outputs',
-        'flutter-apk',
-        'app-release.apk',
-      );
-
-      if (!exists(File(exampleApk))) {
-        return TaskResult.failure('Failed to build app-release.apk');
-      }
-
-      section('Clean');
-
-      await inDirectory(exampleAppDir, () async {
-        await flutter('clean');
-      });
-
-      section('Remove Gradle wrapper');
-
-      Directory(path.join(exampleAppDir.path, 'android', 'gradle', 'wrapper'))
-          .deleteSync(recursive: true);
-
-      section('Use AGP 3.3.0');
-
-      newBuildGradle = buildGradle.replaceAll(
-          androidPluginRegExp, 'com.android.tools.build:gradle:3.3.0');
-      print(newBuildGradle);
-      buildGradleFile.writeAsString(newBuildGradle);
-
-      section('Enable R8 in gradle.properties');
-
-      final File gradleProperties =
-          File(path.join(exampleAppDir.path, 'android', 'gradle.properties'));
-
-      if (!exists(gradleProperties)) {
-        return TaskResult.failure('$gradleProperties doesn\'t exist');
-      }
-
-      gradleProperties.writeAsString('''
-org.gradle.jvmargs=-Xmx1536M
-android.useAndroidX=true
-android.enableJetifier=true
-android.enableR8=true''');
-
-      section('Run flutter build apk using AGP 3.3.0');
-
-      await inDirectory(exampleAppDir, () async {
-        await flutter(
-          'build',
-          options: <String>[
-            'apk',
-            '--target-platform=android-arm',
-          ],
-        );
-      });
-
-      if (!exists(File(exampleApk))) {
-        return TaskResult.failure('Failed to build app-release.apk');
-      }
-
-      return TaskResult.success(null);
-    } on TaskResult catch (taskResult) {
-      return taskResult;
-    } catch (e) {
-      return TaskResult.failure(e.toString());
-    } finally {
-      rmTree(tempDir);
-    }
-  });
-}

dev/prod_builders.json

@@ -444,12 +444,6 @@
          "task_name": "mac_build_aar_module_test",
          "flaky": false
       },
-      {
-         "name": "Mac_android android_plugin_example_app_build_test",
-         "repo": "flutter",
-         "task_name": "mac_android_android_plugin_example_app_build_test",
-         "flaky": false
-      },
       {
          "name": "Mac_android android_semantics_integration_test",
          "repo": "flutter",

packages/flutter_tools/test/integration.shard/android_plugin_example_app_build_test.dart

+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:file_testing/file_testing.dart';
+import 'package:flutter_tools/src/base/file_system.dart';
+
+import '../src/common.dart';
+import 'test_utils.dart';
+
+void main() {
+  Directory tempDir;
+
+  setUp(() async {
+    tempDir = createResolvedTempDirectorySync('flutter_plugin_test.');
+  });
+
+  tearDown(() async {
+    tryToDelete(tempDir);
+  });
+
+  test('plugin example can be built using current Flutter Gradle plugin', () async {
+    final String flutterBin = fileSystem.path.join(
+      getFlutterRoot(),
+      'bin',
+      'flutter',
+    );
+
+    processManager.runSync(<String>[
+      flutterBin,
+      ...getLocalEngineArguments(),
+      'create',
+      '--template=plugin',
+      '--platforms=android',
+      'plugin_test',
+    ], workingDirectory: tempDir.path);
+
+    final Directory exampleAppDir = tempDir.childDirectory('plugin_test').childDirectory('example');
+
+    final File buildGradleFile = exampleAppDir.childDirectory('android').childFile('build.gradle');
+    expect(buildGradleFile, exists);
+
+    final String buildGradle = buildGradleFile.readAsStringSync();
+    final RegExp androidPluginRegExp =
+        RegExp(r'com\.android\.tools\.build:gradle:(\d+\.\d+\.\d+)');
+
+    // Use AGP 4.1.0
+    String newBuildGradle = buildGradle.replaceAll(
+        androidPluginRegExp, 'com.android.tools.build:gradle:4.1.0');
+    buildGradleFile.writeAsStringSync(newBuildGradle);
+
+    // Run flutter build apk using AGP 4.1.0
+    processManager.runSync(<String>[
+      flutterBin,
+      ...getLocalEngineArguments(),
+      'build',
+      'apk',
+      '--target-platform=android-arm',
+    ], workingDirectory: exampleAppDir.path);
+
+    final File exampleApk = fileSystem.file(fileSystem.path.join(
+      exampleAppDir.path,
+      'build',
+      'app',
+      'outputs',
+      'flutter-apk',
+      'app-release.apk',
+    ));
+    expect(exampleApk, exists);
+
+    // Clean
+    processManager.runSync(<String>[
+      flutterBin,
+      ...getLocalEngineArguments(),
+      'clean',
+    ], workingDirectory: exampleAppDir.path);
+
+    // Remove Gradle wrapper
+    fileSystem
+        .directory(fileSystem.path
+            .join(exampleAppDir.path, 'android', 'gradle', 'wrapper'))
+        .deleteSync(recursive: true);
+
+    // Use AGP 3.3.0
+    newBuildGradle = buildGradle.replaceAll(
+        androidPluginRegExp, 'com.android.tools.build:gradle:3.3.0');
+    buildGradleFile.writeAsStringSync(newBuildGradle);
+
+    // Enable R8 in gradle.properties
+    final File gradleProperties =
+        exampleAppDir.childDirectory('android').childFile('gradle.properties');
+    expect(gradleProperties, exists);
+
+    gradleProperties.writeAsStringSync('''
+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true
+android.enableR8=true''');
+
+    // Run flutter build apk using AGP 3.3.0
+    processManager.runSync(<String>[
+      flutterBin,
+      ...getLocalEngineArguments(),
+      'build',
+      'apk',
+      '--target-platform=android-arm',
+    ], workingDirectory: exampleAppDir.path);
+    expect(exampleApk, exists);
+  });
+}

packages/flutter_tools/test/integration.shard/daemon_mode_test.dart

@@ -17,22 +17,32 @@ import 'test_driver.dart';
 import 'test_utils.dart';
 
 void main() {
-  testWithoutContext('device.getDevices', () async {
-    final Directory tempDir = createResolvedTempDirectorySync('daemon_mode_test.');
+  Directory tempDir;
+  Process daemonProcess;
+
+  setUp(() async {
+    tempDir = createResolvedTempDirectorySync('daemon_mode_test.');
+  });
 
+  tearDown(() async {
+    tryToDelete(tempDir);
+    daemonProcess?.kill();
+  });
+
+  testWithoutContext('device.getDevices', () async {
     final BasicProject _project = BasicProject();
     await _project.setUpIn(tempDir);
 
     final String flutterBin = fileSystem.path.join(getFlutterRoot(), 'bin', 'flutter');
 
     const ProcessManager processManager = LocalProcessManager();
-    final Process process = await processManager.start(
+    daemonProcess = await processManager.start(
       <String>[flutterBin, ...getLocalEngineArguments(), '--show-test-device', 'daemon'],
       workingDirectory: tempDir.path,
     );
 
     final StreamController<String> stdout = StreamController<String>.broadcast();
-    transformToLines(process.stdout).listen((String line) => stdout.add(line));
+    transformToLines(daemonProcess.stdout).listen((String line) => stdout.add(line));
     final Stream<Map<String, dynamic>> stream = stdout
       .stream
       .map<Map<String, dynamic>>(parseFlutterResponse)
@@ -42,7 +52,7 @@ void main() {
     expect(response['event'], 'daemon.connected');
 
     // start listening for devices
-    process.stdin.writeln('[${jsonEncode(<String, dynamic>{
+    daemonProcess.stdin.writeln('[${jsonEncode(<String, dynamic>{
       'id': 1,
       'method': 'device.enable',
     })}]');
@@ -56,7 +66,7 @@ void main() {
     expect(response['event'], 'device.added');
 
     // get the list of all devices
-    process.stdin.writeln('[${jsonEncode(<String, dynamic>{
+    daemonProcess.stdin.writeln('[${jsonEncode(<String, dynamic>{
       'id': 2,
       'method': 'device.getDevices',
     })}]');
@@ -68,8 +78,5 @@ void main() {
     final dynamic result = response['result'];
     expect(result, isList);
     expect(result, isNotEmpty);
-
-    tryToDelete(tempDir);
-    process.kill();
   });
 }

packages/flutter_tools/test/integration.shard/debugger_stepping_test.dart

@@ -12,9 +12,17 @@ import 'test_driver.dart';
 import 'test_utils.dart';
 
 void main() {
-  testWithoutContext('can step over statements', () async {
-    final Directory tempDir = createResolvedTempDirectorySync('debugger_stepping_test.');
+  Directory tempDir;
+
+  setUp(() async {
+    tempDir = createResolvedTempDirectorySync('debugger_stepping_test.');
+  });
+
+  tearDown(() async {
+    tryToDelete(tempDir);
+  });
 
+  testWithoutContext('can step over statements', () async {
     final SteppingProject _project = SteppingProject();
     await _project.setUpIn(tempDir);
 
@@ -43,6 +51,5 @@ void main() {
     }
 
     await _flutter.stop();
-    tryToDelete(tempDir);
   });
 }