| // 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:async'; |
| import 'dart:convert'; |
| import 'dart:io'; |
| |
| import '../framework/devices.dart'; |
| import '../framework/framework.dart'; |
| import '../framework/task_result.dart'; |
| import '../framework/utils.dart'; |
| |
| TaskFunction createMacOSRunReleaseTest() { |
| return DesktopRunOutputTest( |
| // TODO(cbracken): https://github.com/flutter/flutter/issues/87508#issuecomment-1043753201 |
| // Switch to dev/integration_tests/ui once we have CocoaPods working on M1 Macs. |
| '${flutterDirectory.path}/examples/hello_world', |
| 'lib/main.dart', |
| release: true, |
| ); |
| } |
| |
| class DesktopRunOutputTest extends RunOutputTask { |
| DesktopRunOutputTest( |
| super.testDirectory, |
| super.testTarget, { |
| required super.release, |
| } |
| ); |
| |
| @override |
| TaskResult verify(List<String> stdout, List<String> stderr) { |
| _findNextMatcherInList( |
| stdout, |
| (String line) => line.startsWith('Launching lib/main.dart on ') && |
| line.endsWith(' in ${release ? 'release' : 'debug'} mode...'), |
| 'Launching lib/main.dart on', |
| ); |
| |
| _findNextMatcherInList( |
| stdout, |
| (String line) => line.contains('Quit (terminate the application on the device).'), |
| 'q Quit (terminate the application on the device)', |
| ); |
| |
| _findNextMatcherInList( |
| stdout, |
| (String line) => line == 'Application finished.', |
| 'Application finished.', |
| ); |
| |
| return TaskResult.success(null); |
| } |
| } |
| |
| /// Test that the output of `flutter run` is expected. |
| abstract class RunOutputTask { |
| RunOutputTask( |
| this.testDirectory, |
| this.testTarget, { |
| required this.release, |
| } |
| ); |
| |
| /// The directory where the app under test is defined. |
| final String testDirectory; |
| /// The main entry-point file of the application, as run on the device. |
| final String testTarget; |
| /// Whether to run the app in release mode. |
| final bool release; |
| |
| Future<TaskResult> call() { |
| return inDirectory<TaskResult>(testDirectory, () async { |
| final Device device = await devices.workingDevice; |
| await device.unlock(); |
| final String deviceId = device.deviceId; |
| |
| final Completer<void> ready = Completer<void>(); |
| final List<String> stdout = <String>[]; |
| final List<String> stderr = <String>[]; |
| |
| final List<String> options = <String>[ |
| testTarget, |
| '-d', |
| deviceId, |
| if (release) '--release', |
| ]; |
| |
| final Process run = await startFlutter( |
| 'run', |
| options: options, |
| isBot: false, |
| ); |
| |
| int? runExitCode; |
| run.stdout |
| .transform<String>(utf8.decoder) |
| .transform<String>(const LineSplitter()) |
| .listen((String line) { |
| print('run:stdout: $line'); |
| stdout.add(line); |
| if (line.contains('Quit (terminate the application on the device).')) { |
| ready.complete(); |
| } |
| }); |
| run.stderr |
| .transform<String>(utf8.decoder) |
| .transform<String>(const LineSplitter()) |
| .listen((String line) { |
| print('run:stderr: $line'); |
| stderr.add(line); |
| }); |
| unawaited(run.exitCode.then<void>((int exitCode) { runExitCode = exitCode; })); |
| await Future.any<dynamic>(<Future<dynamic>>[ ready.future, run.exitCode ]); |
| if (runExitCode != null) { |
| throw 'Failed to run test app; runner unexpected exited, with exit code $runExitCode.'; |
| } |
| run.stdin.write('q'); |
| |
| await run.exitCode; |
| |
| return verify(stdout, stderr); |
| }); |
| } |
| |
| /// Verify the output of `flutter run`. |
| TaskResult verify(List<String> stdout, List<String> stderr) => throw UnimplementedError('verify is not implemented'); |
| |
| /// Helper that verifies a line in [list] matches [matcher]. |
| /// The [list] is updated to contain the lines remaining after the match. |
| void _findNextMatcherInList( |
| List<String> list, |
| bool Function(String testLine) matcher, |
| String errorMessageExpectedLine |
| ) { |
| final List<String> copyOfListForErrorMessage = List<String>.from(list); |
| |
| while (list.isNotEmpty) { |
| final String nextLine = list.first; |
| list.removeAt(0); |
| |
| if (matcher(nextLine)) { |
| return; |
| } |
| } |
| |
| throw ''' |
| Did not find expected line |
| |
| $errorMessageExpectedLine |
| |
| in flutter run ${release ? '--release' : ''} stdout |
| |
| $copyOfListForErrorMessage |
| '''; |
| } |
| } |