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test focus example 0 (#147564)

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Part of #130459. Adds tests for [Focus example 0](https://api.flutter.dev/flutter/widgets/Focus-class.html#widgets.Focus.1).
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derdilla 2024-05-07 03:03:09 +02:00 committed by GitHub
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2 changed files with 80 additions and 1 deletions
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1
dev/bots/check_code_samples.dart
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@ -463,7 +463,6 @@ final Set<String> _knownMissingTests = <String>{
'examples/api/test/widgets/actions/focusable_action_detector.0_test.dart', 'examples/api/test/widgets/actions/focusable_action_detector.0_test.dart',
'examples/api/test/widgets/color_filter/color_filtered.0_test.dart', 'examples/api/test/widgets/color_filter/color_filtered.0_test.dart',
'examples/api/test/widgets/focus_scope/focus.2_test.dart', 'examples/api/test/widgets/focus_scope/focus.2_test.dart',
'examples/api/test/widgets/focus_scope/focus.0_test.dart',
'examples/api/test/widgets/focus_scope/focus.1_test.dart', 'examples/api/test/widgets/focus_scope/focus.1_test.dart',
'examples/api/test/widgets/focus_scope/focus_scope.0_test.dart', 'examples/api/test/widgets/focus_scope/focus_scope.0_test.dart',
'examples/api/test/widgets/scroll_view/custom_scroll_view.1_test.dart', 'examples/api/test/widgets/scroll_view/custom_scroll_view.1_test.dart',

80
examples/api/test/widgets/focus_scope/focus.0_test.dart Normal file
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@ -0,0 +1,80 @@
// 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 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_api_samples/widgets/focus_scope/focus.0.dart'
as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('shows initial content', (WidgetTester tester) async {
await tester.pumpWidget(const example.FocusExampleApp());
expect(find.byType(Scaffold), findsOneWidget);
expect(find.byType(AppBar), findsOneWidget);
expect(find.byType(FocusScope), findsAtLeastNWidgets(1));
expect(find.text('Press to focus'), findsOneWidget);
expect(find.text('Focus Sample'), findsOneWidget);
expect(find.byType(Container), findsOneWidget);
final Container container =
tester.widget<Container>(find.byType(Container));
expect(container.color, Colors.white);
});
testWidgets('switches to focus mode', (WidgetTester tester) async {
await tester.pumpWidget(const example.FocusExampleApp());
expect(find.text('Press to focus'), findsOneWidget);
expect(find.text("I'm in color! Press R,G,B!"), findsNothing);
await tester.tap(find.text('Press to focus'));
await tester.pumpAndSettle();
expect(find.text('Press to focus'), findsNothing);
expect(find.text("I'm in color! Press R,G,B!"), findsOneWidget);
expect(find.byType(Container), findsOneWidget);
final Container container =
tester.widget<Container>(find.byType(Container));
expect(container.color, Colors.white);
await tester.tap(find.text("I'm in color! Press R,G,B!"));
await tester.pumpAndSettle();
expect(find.text('Press to focus'), findsOneWidget);
expect(find.text("I'm in color! Press R,G,B!"), findsNothing);
});
testWidgets('changes color according to key presses', (WidgetTester tester) async {
await tester.pumpWidget(const example.FocusExampleApp());
expect(find.byType(Container), findsOneWidget);
expect(tester.widget<Container>(find.byType(Container)).color, Colors.white);
await tester.sendKeyEvent(LogicalKeyboardKey.keyR);
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.white);
await tester.sendKeyEvent(LogicalKeyboardKey.keyG);
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.white);
await tester.sendKeyEvent(LogicalKeyboardKey.keyB);
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.white);
expect(find.text('Press to focus'), findsOneWidget);
await tester.tap(find.text('Press to focus'));
await tester.pumpAndSettle();
expect(find.byType(Container), findsOneWidget);
expect(tester.widget<Container>(find.byType(Container)).color, Colors.white);
await tester.sendKeyEvent(LogicalKeyboardKey.keyR);
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.red);
await tester.sendKeyEvent(LogicalKeyboardKey.keyG);
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.green);
await tester.sendKeyEvent(LogicalKeyboardKey.keyB);
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.blue);
expect(find.text("I'm in color! Press R,G,B!"), findsOneWidget);
await tester.tap(find.text("I'm in color! Press R,G,B!"));
await tester.pumpAndSettle();
expect(tester.widget<Container>(find.byType(Container)).color, Colors.white);
});
}