flutter/examples/api/test/material/toggle_buttons/toggle_buttons.0_test.dart
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---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

112 lines
4.5 KiB
Dart

// 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_api_samples/material/toggle_buttons/toggle_buttons.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Single-select ToggleButtons', (WidgetTester tester) async {
TextButton findButton(String text) {
return tester.widget<TextButton>(find.widgetWithText(TextButton, text));
}
await tester.pumpWidget(const example.ToggleButtonsExampleApp());
TextButton firstButton = findButton('Apple');
TextButton secondButton = findButton('Banana');
TextButton thirdButton = findButton('Orange');
const Color selectedColor = Color(0xffef9a9a);
const Color unselectedColor = Color(0x00fef7ff);
/// First button is selected.
expect(firstButton.style!.backgroundColor!.resolve(enabled), selectedColor);
expect(secondButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
expect(thirdButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
/// Tap on second button.
await tester.tap(find.widgetWithText(TextButton, 'Banana'));
await tester.pumpAndSettle();
firstButton = findButton('Apple');
secondButton = findButton('Banana');
thirdButton = findButton('Orange');
/// Only second button is selected.
expect(firstButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
expect(secondButton.style!.backgroundColor!.resolve(enabled), selectedColor);
expect(thirdButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
});
testWidgets('Multi-select ToggleButtons', (WidgetTester tester) async {
TextButton findButton(String text) {
return tester.widget<TextButton>(find.widgetWithText(TextButton, text));
}
await tester.pumpWidget(const example.ToggleButtonsExampleApp());
TextButton firstButton = findButton('Tomatoes');
TextButton secondButton = findButton('Potatoes');
TextButton thirdButton = findButton('Carrots');
const Color selectedColor = Color(0xffa5d6a7);
const Color unselectedColor = Color(0x00fef7ff);
/// Second button is selected.
expect(firstButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
expect(secondButton.style!.backgroundColor!.resolve(enabled), selectedColor);
expect(thirdButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
/// Tap on other two buttons.
await tester.tap(find.widgetWithText(TextButton, 'Tomatoes'));
await tester.tap(find.widgetWithText(TextButton, 'Carrots'));
await tester.pumpAndSettle();
firstButton = findButton('Tomatoes');
secondButton = findButton('Potatoes');
thirdButton = findButton('Carrots');
/// All buttons are selected.
expect(firstButton.style!.backgroundColor!.resolve(enabled), selectedColor);
expect(secondButton.style!.backgroundColor!.resolve(enabled), selectedColor);
expect(thirdButton.style!.backgroundColor!.resolve(enabled), selectedColor);
});
testWidgets('Icon-only ToggleButtons', (WidgetTester tester) async {
TextButton findButton(IconData iconData) {
return tester.widget<TextButton>(find.widgetWithIcon(TextButton, iconData));
}
await tester.pumpWidget(const example.ToggleButtonsExampleApp());
TextButton firstButton = findButton(Icons.sunny);
TextButton secondButton = findButton(Icons.cloud);
TextButton thirdButton = findButton(Icons.ac_unit);
const Color selectedColor = Color(0xff90caf9);
const Color unselectedColor = Color(0x00fef7ff);
/// Third button is selected.
expect(firstButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
expect(secondButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
expect(thirdButton.style!.backgroundColor!.resolve(enabled), selectedColor);
/// Tap on the first button.
await tester.tap(find.widgetWithIcon(TextButton, Icons.sunny));
await tester.pumpAndSettle();
firstButton = findButton(Icons.sunny);
secondButton = findButton(Icons.cloud);
thirdButton = findButton(Icons.ac_unit);
/// First button os selected.
expect(firstButton.style!.backgroundColor!.resolve(enabled), selectedColor);
expect(secondButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
expect(thirdButton.style!.backgroundColor!.resolve(enabled), unselectedColor);
});
}
Set<MaterialState> enabled = <MaterialState>{};