| // 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 'package:flutter_devicelab/framework/framework.dart'; |
| import 'package:flutter_devicelab/framework/task_result.dart'; |
| import 'package:flutter_devicelab/framework/utils.dart'; |
| import 'package:flutter_devicelab/versions/gallery.dart' show galleryVersion; |
| import 'package:path/path.dart' as path; |
| |
| Future<void> main() async { |
| await task(const NewGalleryChromeRunTest().run); |
| } |
| |
| /// After the gallery loads, a duration of [durationToWaitForError] |
| /// is waited, allowing any possible exceptions to be thrown. |
| const Duration durationToWaitForError = Duration(seconds: 5); |
| |
| /// Flutter prints this string when an app is successfully loaded. |
| /// Used to check when the app is successfully loaded. |
| const String successfullyLoadedString = 'To hot restart'; |
| |
| /// Flutter prints this string when an exception is caught. |
| /// Used to check if there are any exceptions. |
| const String exceptionString = 'EXCEPTION CAUGHT'; |
| |
| /// Checks that the New Flutter Gallery runs successfully on Chrome. |
| class NewGalleryChromeRunTest { |
| const NewGalleryChromeRunTest(); |
| |
| /// Runs the test. |
| Future<TaskResult> run() async { |
| final Directory galleryParentDir = |
| Directory.systemTemp.createTempSync('flutter_gallery_v2_chrome_run.'); |
| final Directory galleryDir = |
| Directory(path.join(galleryParentDir.path, 'gallery')); |
| |
| await getNewGallery(galleryVersion, galleryDir); |
| |
| final TaskResult result = await inDirectory<TaskResult>(galleryDir, () async { |
| await flutter('doctor'); |
| await flutter('packages', options: <String>['get']); |
| |
| await flutter('build', options: <String>[ |
| 'web', |
| '-v', |
| '--release', |
| '--no-pub', |
| ]); |
| |
| final List<String> options = <String>['-d', 'chrome', '--verbose', '--resident']; |
| final Process process = await startFlutter( |
| 'run', |
| options: options, |
| ); |
| |
| final Completer<void> stdoutDone = Completer<void>(); |
| final Completer<void> stderrDone = Completer<void>(); |
| |
| bool success = true; |
| |
| process.stdout |
| .transform<String>(utf8.decoder) |
| .transform<String>(const LineSplitter()) |
| .listen((String line) { |
| if (line.contains(successfullyLoadedString)) { |
| // Successfully started. |
| Future<void>.delayed( |
| durationToWaitForError, |
| () {process.stdin.write('q');} |
| ); |
| } |
| if (line.contains(exceptionString)) { |
| success = false; |
| } |
| print('stdout: $line'); |
| }, onDone: () { |
| stdoutDone.complete(); |
| }); |
| |
| process.stderr |
| .transform<String>(utf8.decoder) |
| .transform<String>(const LineSplitter()) |
| .listen((String line) { |
| print('stderr: $line'); |
| }, onDone: () { |
| stderrDone.complete(); |
| }); |
| |
| await Future.wait<void>(<Future<void>>[ |
| stdoutDone.future, |
| stderrDone.future, |
| ]); |
| |
| await process.exitCode; |
| |
| if (success) { |
| return TaskResult.success(<String, dynamic>{}); |
| } else { |
| return TaskResult.failure('An exception was thrown.'); |
| } |
| }); |
| |
| rmTree(galleryParentDir); |
| |
| return result; |
| } |
| } |