// 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(); } }