packages/flutter_tools/test/integration.shard/android_gradle_daemon_cache_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/file.dart';
import 'package:flutter_tools/src/base/io.dart';

import '../src/common.dart';
import 'test_utils.dart';

void main() {
  late Directory tempDir;

  setUp(() async {
    tempDir = createResolvedTempDirectorySync('gradle_daemon_test.');
  });

  tearDown(() async {
    tryToDelete(tempDir);
  });

  testWithoutContext(
      'gradle task succeeds when adding plugins with gradle daemon enabled',
      () async {
    final String flutterBin =
        fileSystem.path.join(getFlutterRoot(), 'bin', 'flutter');
    final Directory appDir = tempDir.childDirectory('testapp');
    final Directory androidDir = appDir.childDirectory('android');

    // Create dummy plugins
    processManager.runSync(<String>[
      flutterBin,
      ...getLocalEngineArguments(),
      'create',
      '--template=plugin',
      '--platforms=android',
      'test_plugin_one',
    ], workingDirectory: tempDir.path);
    processManager.runSync(<String>[
      flutterBin,
      ...getLocalEngineArguments(),
      'create',
      '--template=plugin',
      '--platforms=android',
      'test_plugin_two',
    ], workingDirectory: tempDir.path);

    // Create a new flutter project.
    ProcessResult result = await processManager.run(<String>[
      flutterBin,
      'create',
      appDir.path,
      '--project-name=testapp',
    ], workingDirectory: tempDir.path);
    expect(result, const ProcessResultMatcher());

    // Enable gradle daemon for this project
    final File gradleProperties = androidDir.childFile('gradle.properties');
    gradleProperties.writeAsStringSync(r'''
org.gradle.daemon=true
''', mode: FileMode.append);

    // TODO(gustl22): Override with in 'gradle.properties' has no effect, set GRADLE_OPTS instead,
    //  see https://github.com/gradle/gradle/issues/19501
    final Map<String, String> envVars = <String, String>{
      'GRADLE_OPTS': '-Dorg.gradle.daemon=true'
    };

    // Stop gradle daemon
    result = await processManager.run(<String>[
      androidDir.childFile('gradlew').path,
      '--stop',
    ], workingDirectory: androidDir.path);
    expect(result, const ProcessResultMatcher());

    result = await processManager.run(<String>[
      flutterBin,
      'pub',
      'add',
      'test_plugin_one',
      '--path',
      '../test_plugin_one',
    ], workingDirectory: appDir.path, environment: envVars);
    expect(result, const ProcessResultMatcher());

    // Build with gradle daemon
    result = await processManager.run(<String>[
      flutterBin,
      'build',
      'apk',
      '--debug',
    ], workingDirectory: appDir.path, environment: envVars);
    expect(result, const ProcessResultMatcher());

    // Add second plugin
    result = await processManager.run(<String>[
      flutterBin,
      'pub',
      'add',
      'test_plugin_two',
      '--path',
      '../test_plugin_two',
    ], workingDirectory: appDir.path, environment: envVars);
    expect(result, const ProcessResultMatcher());

    // Build again with cached plugin through daemon
    result = await processManager.run(<String>[
      flutterBin,
      'build',
      'apk',
      '--debug',
    ], workingDirectory: appDir.path, environment: envVars);
    expect(result, const ProcessResultMatcher());
  });
}