dev/devicelab/lib/tasks/android_views_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 '../framework/framework.dart';
import '../framework/task_result.dart';
import '../framework/utils.dart';

/// Tests the following Android lifecycles: Activity#onStop(), Activity#onResume(), Activity#onPause(),
/// and Activity#onDestroy() from Dart perspective in debug, profile, and release modes.
TaskFunction androidViewsTest({Map<String, String>? environment}) {
  return () async {
    section('Build APK');
    await flutter(
      'build',
      options: <String>['apk', '--config-only'],
      environment: environment,
      workingDirectory: '${flutterDirectory.path}/dev/integration_tests/android_views',
    );

    /// Any gradle command downloads gradle if not already present in the cache.
    /// ./gradlew dependencies downloads any gradle defined dependencies to the cache.
    /// https://docs.gradle.org/current/userguide/viewing_debugging_dependencies.html
    /// Downloading gradle and downloading dependencies are a common source of flakes
    /// and moving those to an infra step that can be retried shifts the blame
    /// individual tests to the infra itself.
    section('Download android dependencies');
    final int exitCode = await exec('./gradlew', <String>[
      '-q',
      'dependencies',
    ], workingDirectory: '${flutterDirectory.path}/dev/integration_tests/android_views/android');
    if (exitCode != 0) {
      return TaskResult.failure('Failed to download gradle dependencies');
    }
    section('Run flutter drive on android views');
    await flutter(
      'drive',
      options: <String>[
        '--browser-name=android-chrome',
        '--android-emulator',
        '--no-start-paused',
        '--purge-persistent-cache',
        '--device-timeout=30',
      ],
      environment: environment,
      workingDirectory: '${flutterDirectory.path}/dev/integration_tests/android_views',
    );
    return TaskResult.success(null);
  };
}