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703e12f524
This PR adds a test that reproduces the problem described in the linked issue: hot restart on the web seems to not update if the app being run is `const`. The new test is expected to fail, until the `const` issue with hot restart in the web is resolved. Expected failure mode is a 15s timeout in the following test: ``` 02:31 +3 ~1 -1: Hot reload (index.html: Default) (with `const MyApp()`)): newly added code executes during hot restart [E] TimeoutException after 0:00:15.000000: Future not completed dart:async _startMicrotaskLoop ... ``` (And then a bunch of output that I'm not 100% sure is intended :)) ## Issues * #141588
86 lines
3.3 KiB
Dart
86 lines
3.3 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'package:file/file.dart';
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import '../integration.shard/test_data/hot_reload_project.dart';
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import '../integration.shard/test_driver.dart';
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import '../integration.shard/test_utils.dart';
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import '../src/common.dart';
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import 'test_data/hot_reload_index_html_samples.dart';
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void main() async {
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await _testProject(HotReloadProject()); // default
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await _testProject(HotReloadProject(constApp: true), name: 'Default) (with `const MyApp()`)'); // runApp(const MyApp());
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await _testProject(HotReloadProject(indexHtml: indexHtmlFlutterJsCallback), name: 'flutter.js (callback)');
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await _testProject(HotReloadProject(indexHtml: indexHtmlFlutterJsPromisesFull), name: 'flutter.js (promises)');
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await _testProject(HotReloadProject(indexHtml: indexHtmlFlutterJsPromisesShort), name: 'flutter.js (promises, short)');
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await _testProject(HotReloadProject(indexHtml: indexHtmlNoFlutterJs), name: 'No flutter.js');
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}
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Future<void> _testProject(HotReloadProject project, {String name = 'Default'}) async {
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late Directory tempDir;
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late FlutterRunTestDriver flutter;
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final String testName = 'Hot reload (index.html: $name)';
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setUp(() async {
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tempDir = createResolvedTempDirectorySync('hot_reload_test.');
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await project.setUpIn(tempDir);
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flutter = FlutterRunTestDriver(tempDir);
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});
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tearDown(() async {
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await flutter.stop();
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await flutter.done;
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tryToDelete(tempDir);
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});
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testWithoutContext('$testName: hot restart works without error', () async {
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flutter.stdout.listen(printOnFailure);
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await flutter.run(chrome: true, additionalCommandArgs: <String>['--verbose', '--web-renderer=html']);
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await flutter.hotRestart();
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});
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testWithoutContext('$testName: newly added code executes during hot restart', () async {
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final Completer<void> completer = Completer<void>();
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final StreamSubscription<String> subscription = flutter.stdout.listen((String line) {
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printOnFailure(line);
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if (line.contains('(((((RELOAD WORKED)))))')) {
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completer.complete();
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}
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});
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await flutter.run(chrome: true, additionalCommandArgs: <String>['--verbose', '--web-renderer=html']);
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project.uncommentHotReloadPrint();
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try {
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await flutter.hotRestart();
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await completer.future.timeout(const Duration(seconds: 15));
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} finally {
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await subscription.cancel();
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}
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});
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testWithoutContext('$testName: newly added code executes during hot restart - canvaskit', () async {
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final Completer<void> completer = Completer<void>();
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final StreamSubscription<String> subscription = flutter.stdout.listen((String line) {
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printOnFailure(line);
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if (line.contains('(((((RELOAD WORKED)))))')) {
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completer.complete();
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}
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});
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await flutter.run(chrome: true,
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additionalCommandArgs: <String>['--dart-define=FLUTTER_WEB_USE_SKIA=true', '--verbose']);
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project.uncommentHotReloadPrint();
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try {
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await flutter.hotRestart();
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await completer.future.timeout(const Duration(seconds: 15));
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} finally {
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await subscription.cancel();
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}
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}, skip: true); // Skipped for https://github.com/flutter/flutter/issues/110879.
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}
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