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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.
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/common.dart';
import 'package:integration_test/integration_test.dart';
import 'package:vm_service/vm_service.dart' as vm;
vm.Timeline _kTimelines = vm.Timeline(
traceEvents: <vm.TimelineEvent>[],
timeOriginMicros: 100,
timeExtentMicros: 200,
);
Future<void> main() async {
Future<Map<String, dynamic>>? request;
group('Test Integration binding', () {
final IntegrationTestWidgetsFlutterBinding binding = IntegrationTestWidgetsFlutterBinding.ensureInitialized();
FakeVM? fakeVM;
setUp(() {
request = binding.callback(<String, String>{
'command': 'request_data',
});
fakeVM = FakeVM(
timeline: _kTimelines,
);
});
testWidgets('Run Integration app', (WidgetTester tester) async {
runApp(const MaterialApp(
home: Text('Test'),
));
expect(tester.binding, binding);
binding.reportData = <String, dynamic>{'answer': 42};
await tester.pump();
});
testWidgets('hitTesting works when using setSurfaceSize', (WidgetTester tester) async {
int invocations = 0;
await tester.pumpWidget(
MaterialApp(
home: Center(
child: GestureDetector(
onTap: () {
invocations++;
},
child: const Text('Test'),
),
),
),
);
await tester.tap(find.byType(Text));
await tester.pump();
expect(invocations, 1);
await tester.binding.setSurfaceSize(const Size(200, 300));
await tester.pump();
await tester.tap(find.byType(Text));
await tester.pump();
expect(invocations, 2);
await tester.binding.setSurfaceSize(null);
await tester.pump();
await tester.tap(find.byType(Text));
await tester.pump();
expect(invocations, 3);
});
testWidgets('setSurfaceSize works', (WidgetTester tester) async {
await tester.pumpWidget(const MaterialApp(home: Center(child: Text('Test'))));
final Size viewCenter = tester.view.physicalSize /
tester.view.devicePixelRatio /
2;
final double viewCenterX = viewCenter.width;
final double viewCenterY = viewCenter.height;
Offset widgetCenter = tester.getRect(find.byType(Text)).center;
expect(widgetCenter.dx, viewCenterX);
expect(widgetCenter.dy, viewCenterY);
await tester.binding.setSurfaceSize(const Size(200, 300));
await tester.pump();
widgetCenter = tester.getRect(find.byType(Text)).center;
expect(widgetCenter.dx, 100);
expect(widgetCenter.dy, 150);
await tester.binding.setSurfaceSize(null);
await tester.pump();
widgetCenter = tester.getRect(find.byType(Text)).center;
expect(widgetCenter.dx, viewCenterX);
expect(widgetCenter.dy, viewCenterY);
});
testWidgets('Test traceAction', (WidgetTester tester) async {
await binding.enableTimeline(vmService: fakeVM);
await binding.traceAction(() async {});
expect(binding.reportData, isNotNull);
expect(binding.reportData!.containsKey('timeline'), true);
expect(
json.encode(binding.reportData!['timeline']),
json.encode(_kTimelines),
);
});
group('defaultTestTimeout', () {
final Timeout originalTimeout = binding.defaultTestTimeout;
tearDown(() {
binding.defaultTestTimeout = originalTimeout;
});
test('can be configured', () {
const Timeout newTimeout = Timeout(Duration(seconds: 17));
binding.defaultTestTimeout = newTimeout;
expect(binding.defaultTestTimeout, newTimeout);
});
});
// TODO(jiahaog): Remove when https://github.com/flutter/flutter/issues/66006 is fixed.
testWidgets('root widgets are wrapped with a RepaintBoundary', (WidgetTester tester) async {
await tester.pumpWidget(const Placeholder());
expect(find.byType(RepaintBoundary), findsOneWidget);
});
});
tearDownAll(() async {
// This part is outside the group so that `request` has been completed as
// part of the `tearDownAll` registered in the group during
// `IntegrationTestWidgetsFlutterBinding` initialization.
final Map<String, dynamic> response =
(await request)!['response'] as Map<String, dynamic>;
final String message = response['message'] as String;
final Response result = Response.fromJson(message);
assert(result.data!['answer'] == 42);
});
}
class FakeVM extends Fake implements vm.VmService {
FakeVM({required this.timeline});
vm.Timeline timeline;
@override
Future<vm.Timeline> getVMTimeline({int? timeOriginMicros, int? timeExtentMicros}) async {
return timeline;
}
int lastTimeStamp = 0;
@override
Future<vm.Timestamp> getVMTimelineMicros() async {
lastTimeStamp += 100;
return vm.Timestamp(timestamp: lastTimeStamp);
}
@override
Future<vm.Success> setVMTimelineFlags(List<String> recordedStreams) async {
return vm.Success();
}
@override
Future<vm.Success> clearVMTimeline() async {
return vm.Success();
}
}