hot_reload_web_test.dart 2.31 KB
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// 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.

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// @dart = 2.8

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import 'dart:async';

import 'package:file/file.dart';

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import '../integration.shard/test_data/hot_reload_project.dart';
import '../integration.shard/test_driver.dart';
import '../integration.shard/test_utils.dart';
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import '../src/common.dart';

void main() {
  Directory tempDir;
  final HotReloadProject project = HotReloadProject();
  FlutterRunTestDriver flutter;

  setUp(() async {
    tempDir = createResolvedTempDirectorySync('hot_reload_test.');
    await project.setUpIn(tempDir);
    flutter = FlutterRunTestDriver(tempDir);
  });

  tearDown(() async {
    await flutter?.stop();
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    await flutter?.done;
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    tryToDelete(tempDir);
  });

  testWithoutContext('hot restart works without error', () async {
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    await flutter.run(chrome: true, additionalCommandArgs: <String>['--verbose']);
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    await flutter.hotRestart();
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  });
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  testWithoutContext('newly added code executes during hot restart', () async {
    final Completer<void> completer = Completer<void>();
    final StreamSubscription<String> subscription = flutter.stdout.listen((String line) {
      print(line);
      if (line.contains('(((((RELOAD WORKED)))))')) {
        completer.complete();
      }
    });
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    await flutter.run(chrome: true, additionalCommandArgs: <String>['--verbose']);
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    project.uncommentHotReloadPrint();
    try {
      await flutter.hotRestart();
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      await completer.future.timeout(const Duration(seconds: 15));
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    } finally {
      await subscription.cancel();
    }
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  });
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  testWithoutContext('newly added code executes during hot restart - canvaskit', () async {
    final Completer<void> completer = Completer<void>();
    final StreamSubscription<String> subscription = flutter.stdout.listen((String line) {
      print(line);
      if (line.contains('(((((RELOAD WORKED)))))')) {
        completer.complete();
      }
    });
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    await flutter.run(chrome: true,
      additionalCommandArgs: <String>['--dart-define=FLUTTER_WEB_USE_SKIA=true', '--verbose']);
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    project.uncommentHotReloadPrint();
    try {
      await flutter.hotRestart();
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      await completer.future.timeout(const Duration(seconds: 15));
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    } finally {
      await subscription.cancel();
    }
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  });
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}