91 lines
3.0 KiB
Dart
91 lines
3.0 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
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void main() {
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testWidgets('runApp uses deprecated pipelineOwner and renderView', (WidgetTester tester) async {
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runApp(const SizedBox());
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final RenderObject renderObject = tester.renderObject(find.byType(SizedBox));
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RenderObject parent = renderObject;
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while (parent.parent != null) {
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parent = parent.parent!;
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}
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expect(parent, isA<RenderView>());
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expect(parent, equals(tester.binding.renderView));
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expect(renderObject.owner, equals(tester.binding.pipelineOwner));
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});
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testWidgets('can manually attach RootWidget to build owner', (WidgetTester tester) async {
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expect(find.byType(ColoredBox), findsNothing);
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final RootWidget rootWidget = RootWidget(
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child: View(
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view: FakeFlutterView(tester.view),
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child: const ColoredBox(color: Colors.orange),
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),
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);
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tester.binding.attachToBuildOwner(rootWidget);
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await tester.pump();
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expect(find.byType(ColoredBox), findsOneWidget);
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expect(tester.binding.rootElement!.widget, equals(rootWidget));
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expect(tester.element(find.byType(ColoredBox)).owner, equals(tester.binding.buildOwner));
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});
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testWidgets('runApp throws if given a View',
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experimentalLeakTesting: LeakTesting.settings.withIgnoredAll(), // The test leaks by design because of exception.
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(WidgetTester tester) async {
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runApp(
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View(
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view: FakeFlutterView(tester.view),
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child: const SizedBox.shrink(),
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),
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);
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expect(
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tester.takeException(),
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isFlutterError.having(
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(FlutterError e) => e.message,
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'message',
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contains('passing it to "runWidget" instead of "runApp"'),
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),
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);
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});
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testWidgets('runWidget throws if not given a View', (WidgetTester tester) async {
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runWidget(const SizedBox.shrink());
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expect(
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tester.takeException(),
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isFlutterError.having(
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(FlutterError e) => e.message,
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'message',
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contains('Try wrapping your widget in a View widget'),
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),
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);
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});
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testWidgets('runWidget does not throw if given a View', (WidgetTester tester) async {
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runWidget(
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View(
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view: FakeFlutterView(tester.view),
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child: const SizedBox.shrink(),
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),
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);
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expect(find.byType(View), findsOne);
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});
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testWidgets('can call runWidget with an empty ViewCollection', (WidgetTester tester) async {
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runWidget(const ViewCollection(views: <Widget>[]));
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expect(find.byType(ViewCollection), findsOne);
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});
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}
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class FakeFlutterView extends TestFlutterView {
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FakeFlutterView(TestFlutterView view) : super(view: view, display: view.display, platformDispatcher: view.platformDispatcher);
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}
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