| // 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 'package:file/file.dart'; |
| |
| import '../src/common.dart'; |
| import 'test_data/stateless_stateful_project.dart'; |
| import 'test_driver.dart'; |
| import 'test_utils.dart'; |
| |
| // This test verifies that we can hot reload a stateless widget into a |
| // stateful one and back. |
| void main() { |
| late Directory tempDir; |
| final HotReloadProject project = HotReloadProject(); |
| late FlutterRunTestDriver flutter; |
| |
| setUp(() async { |
| tempDir = createResolvedTempDirectorySync('hot_reload_test.'); |
| await project.setUpIn(tempDir); |
| flutter = FlutterRunTestDriver(tempDir); |
| }); |
| |
| tearDown(() async { |
| await flutter.stop(); |
| tryToDelete(tempDir); |
| }); |
| |
| testWithoutContext('Can switch between stateless and stateful', () async { |
| await flutter.run(); |
| await flutter.hotReload(); |
| final StringBuffer stdout = StringBuffer(); |
| final StreamSubscription<String> subscription = flutter.stdout.listen(stdout.writeln); |
| |
| // switch to stateful. |
| project.toggleState(); |
| await flutter.hotReload(); |
| |
| // switch to stateless. |
| project.toggleState(); |
| await flutter.hotReload(); |
| |
| final String logs = stdout.toString(); |
| |
| expect(logs, contains('STATELESS')); |
| expect(logs, contains('STATEFUL')); |
| await subscription.cancel(); |
| }); |
| } |