blob: 995b38918e66cb9dc70f24579d6ef8a1630f5ba7 [file] [log] [blame]
// 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/devices.dart';
import 'package:flutter_devicelab/framework/framework.dart';
import 'package:flutter_devicelab/framework/task_result.dart';
import 'package:flutter_devicelab/framework/utils.dart' as utils;
import 'package:flutter_devicelab/tasks/perf_tests.dart' show ListStatistics;
import 'package:path/path.dart' as path;
const String _bundleName = 'dev.flutter.multipleflutters';
const String _activityName = 'MainActivity';
const int _numberOfIterations = 10;
Future<void> _withApkInstall(
String apkPath, String bundleName, Function(AndroidDevice) body) async {
final DeviceDiscovery devices = DeviceDiscovery();
final AndroidDevice device = await devices.workingDevice as AndroidDevice;
await device.unlock();
try {
// Force proper cleanup before trying to install app. If uninstall fails,
// we log exception and proceed with running the test.
await device.adb(<String>['uninstall', bundleName]);
} on Exception catch (error) {
print('adb uninstall failed with exception: $error. Will proceed with test run.');
}
await device.adb(<String>['install', '-r', apkPath]);
try {
await body(device);
} finally {
await device.adb(<String>['uninstall', bundleName]);
}
}
/// Since we don't check the gradle wrapper in with the android host project we
/// yank the gradle wrapper from the module (which is added by the Flutter tool).
void _copyGradleFromModule(String source, String destination) {
print('copying gradle from module $source to $destination');
final String wrapperPath = path.join(source, '.android', 'gradlew');
final String windowsWrapperPath = path.join(source, '.android', 'gradlew.bat');
final String wrapperDestinationPath = path.join(destination, 'gradlew');
final String windowsWrapperDestinationPath = path.join(destination, 'gradlew.bat');
File(wrapperPath).copySync(wrapperDestinationPath);
File(windowsWrapperPath).copySync(windowsWrapperDestinationPath);
final Directory gradleDestinationDirectory = Directory(path.join(destination, 'gradle', 'wrapper'));
if (!gradleDestinationDirectory.existsSync()) {
gradleDestinationDirectory.createSync(recursive: true);
}
final String gradleDestinationPath = path.join(gradleDestinationDirectory.path, 'gradle-wrapper.jar');
final String gradlePath = path.join(source, '.android', 'gradle', 'wrapper', 'gradle-wrapper.jar');
File(gradlePath).copySync(gradleDestinationPath);
}
Future<TaskResult> _doTest() async {
try {
final String flutterDirectory = utils.flutterDirectory.path;
final String multipleFluttersPath =
path.join(flutterDirectory, 'dev', 'benchmarks', 'multiple_flutters');
final String modulePath = path.join(multipleFluttersPath, 'module');
final String androidPath = path.join(multipleFluttersPath, 'android');
final String gradlew = Platform.isWindows ? 'gradlew.bat' : 'gradlew';
final String gradlewExecutable =
Platform.isWindows ? '.\\$gradlew' : './$gradlew';
await utils.flutter('precache', options: <String>['--android'],
workingDirectory: modulePath);
await utils.flutter('pub', options: <String>['get'],
workingDirectory: modulePath);
_copyGradleFromModule(modulePath, androidPath);
await utils.eval(gradlewExecutable, <String>['assembleRelease'],
workingDirectory: androidPath);
final String apkPath = path.join(multipleFluttersPath, 'android', 'app',
'build', 'outputs', 'apk', 'release', 'app-release.apk');
TaskResult? result;
await _withApkInstall(apkPath, _bundleName, (AndroidDevice device) async {
final List<int> totalMemorySamples = <int>[];
for (int i = 0; i < _numberOfIterations; ++i) {
await device.adb(<String>[
'shell',
'am',
'start',
'-n',
'$_bundleName/$_bundleName.$_activityName',
]);
await Future<void>.delayed(const Duration(seconds: 10));
final Map<String, dynamic> memoryStats =
await device.getMemoryStats(_bundleName);
final int totalMemory = memoryStats['total_kb'] as int;
totalMemorySamples.add(totalMemory);
await device.stop(_bundleName);
}
final ListStatistics totalMemoryStatistics =
ListStatistics(totalMemorySamples);
final Map<String, dynamic> results = <String, dynamic>{
...totalMemoryStatistics.asMap('totalMemory'),
};
result = TaskResult.success(results,
benchmarkScoreKeys: results.keys.toList());
});
return result ?? TaskResult.failure('no results found');
} catch (ex) {
return TaskResult.failure(ex.toString());
}
}
Future<void> main() async {
await task(_doTest);
}