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428 lines
15 KiB
Dart
428 lines
15 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/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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import '../rendering/mock_canvas.dart';
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import 'semantics_tester.dart';
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class TestState extends StatefulWidget {
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const TestState({ super.key, required this.child, required this.log });
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final Widget child;
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final List<String> log;
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@override
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State<TestState> createState() => _TestStateState();
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}
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class _TestStateState extends State<TestState> {
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@override
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void initState() {
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super.initState();
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widget.log.add('created new state');
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}
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@override
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Widget build(BuildContext context) {
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return widget.child;
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}
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}
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void main() {
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testWidgets('Visibility', (WidgetTester tester) async {
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final SemanticsTester semantics = SemanticsTester(tester);
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final List<String> log = <String>[];
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final Widget testChild = GestureDetector(
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onTap: () { log.add('tap'); },
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child: Builder(
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builder: (BuildContext context) {
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final bool animating = TickerMode.of(context);
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return TestState(
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log: log,
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child: Text('a $animating', textDirection: TextDirection.rtl),
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);
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},
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),
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);
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final Matcher expectedSemanticsWhenPresent = hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics.rootChild(
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label: 'a true',
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textDirection: TextDirection.rtl,
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actions: <SemanticsAction>[SemanticsAction.tap],
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),
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],
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),
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ignoreId: true,
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ignoreRect: true,
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ignoreTransform: true,
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);
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final Matcher expectedSemanticsWhenAbsent = hasSemantics(TestSemantics.root());
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// We now run a sequence of pumpWidget calls one after the other. In
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// addition to verifying that the right behavior is seen in each case, this
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// also verifies that the widget can dynamically change from state to state.
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await tester.pumpWidget(Visibility(child: testChild));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(800.0, 600.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['created new state', 'tap']);
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log.clear();
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await tester.pumpWidget(Visibility(visible: false, child: testChild));
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expect(find.byType(Text, skipOffstage: false), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), const Size(800.0, 600.0));
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsNothing);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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replacement: const Placeholder(),
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visible: false,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsNothing);
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expect(find.byType(Placeholder), findsOneWidget);
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expect(find.byType(Visibility), paints..path());
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expect(tester.getSize(find.byType(Visibility)), const Size(800.0, 600.0));
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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replacement: const Placeholder(),
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['created new state', 'tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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maintainState: true,
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maintainAnimation: true,
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maintainSize: true,
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maintainInteractivity: true,
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maintainSemantics: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['created new state', 'tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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maintainAnimation: true,
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maintainSize: true,
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maintainInteractivity: true,
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maintainSemantics: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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maintainAnimation: true,
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maintainSize: true,
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maintainInteractivity: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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maintainAnimation: true,
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maintainSize: true,
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maintainSemantics: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>['created new state']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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maintainAnimation: true,
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maintainSize: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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maintainAnimation: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.byType(Text), findsNothing);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>['created new state']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.byType(Text), findsNothing);
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expect(find.text('a false', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>['created new state']);
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log.clear();
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// Now we toggle the visibility off and on a few times to make sure that works.
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await tester.pumpWidget(Center(
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child: Visibility(
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maintainState: true,
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child: testChild,
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),
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));
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expect(find.byType(Text), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>['tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.byType(Text), findsNothing);
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expect(find.text('a false', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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maintainState: true,
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child: testChild,
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),
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));
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expect(find.byType(Text), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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maintainState: true,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsOneWidget);
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expect(find.byType(Text), findsNothing);
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expect(find.text('a false', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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// Same but without maintainState.
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsNothing);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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child: testChild,
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),
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));
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expect(find.byType(Text), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['created new state', 'tap']);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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visible: false,
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child: testChild,
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),
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));
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expect(find.byType(Text, skipOffstage: false), findsNothing);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paintsNothing);
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expect(tester.getSize(find.byType(Visibility)), Size.zero);
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expect(semantics, expectedSemanticsWhenAbsent);
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expect(log, <String>[]);
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await tester.tap(find.byType(Visibility), warnIfMissed: false);
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expect(log, <String>[]);
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log.clear();
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await tester.pumpWidget(Center(
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child: Visibility(
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child: testChild,
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),
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));
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expect(find.byType(Text), findsOneWidget);
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expect(find.text('a true', skipOffstage: false), findsOneWidget);
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expect(find.byType(Placeholder), findsNothing);
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expect(find.byType(Visibility), paints..paragraph());
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expect(tester.getSize(find.byType(Visibility)), const Size(84.0, 14.0));
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expect(semantics, expectedSemanticsWhenPresent);
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expect(log, <String>['created new state']);
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await tester.tap(find.byType(Visibility));
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expect(log, <String>['created new state', 'tap']);
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log.clear();
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semantics.dispose();
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});
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}
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