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ba626dc83a
This implements dual compile via the newly available flutter.js bootstrapping APIs for intelligent build fallback. * Users can now use the `FlutterLoader.load` API from flutter.js * Flutter tool injects build info into the `index.html` of the user so that the bootstrapper knows which build variants are available to bootstrap * The semantics of the `--wasm` flag for `flutter build web` have changed: - Instead of producing a separate `build/web_wasm` directory, the output goes to the `build/web` directory like a normal web build - Produces a dual build that contains two build variants: dart2wasm+skwasm and dart2js+CanvasKit. The dart2wasm+skwasm will only work on Chrome in a cross-origin isolated context, all other environments will fall back to dart2js+CanvasKit. - `--wasm` and `--web-renderer` are now mutually exclusive. Since there are multiple build variants with `--wasm`, the web renderer cannot be expressed via a single command-line flag. For now, we are hard coding what build variants are produced with the `--wasm` flag, but I plan on making this more customizable in the future. * Build targets now can optionally provide a "build key" which can uniquely identify any specific parameterization of that build target. This way, the build target can invalidate itself by changing its build key. This works a bit better than just stuffing everything into the environment defines because (a) it doesn't invalidate the entire build, just the targets which are affected and (b) settings for multiple build variants don't translate well to the flat map of environment defines.
87 lines
3.4 KiB
Dart
87 lines
3.4 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: indexHtmlFlutterJsLoad), name: 'flutter.js (load)');
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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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