blob: 311e45c02db29a629f60760094ed75b69d0ee63e [file] [log] [blame]
// 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();
});
}