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52 lines
1.8 KiB
Dart
52 lines
1.8 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_api_samples/material/text_button/text_button.1.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('SelectableButton', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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theme: ThemeData(
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colorScheme: const ColorScheme.light(),
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),
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home: const example.Home(),
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),
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);
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final Finder button = find.byType(example.SelectableButton);
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example.SelectableButton buttonWidget() => tester.widget<example.SelectableButton>(button);
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Material buttonMaterial() {
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return tester.widget<Material>(
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find.descendant(
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of: find.byType(example.SelectableButton),
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matching: find.byType(Material),
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),
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);
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}
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expect(buttonWidget().selected, false);
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expect(buttonMaterial().textStyle!.color, const ColorScheme.light().primary); // default button foreground color
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expect(buttonMaterial().color, Colors.transparent); // default button background color
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await tester.tap(button); // Toggles the button's selected property.
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await tester.pumpAndSettle();
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expect(buttonWidget().selected, true);
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expect(buttonMaterial().textStyle!.color, Colors.white);
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expect(buttonMaterial().color, Colors.indigo);
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await tester.tap(button); // Toggles the button's selected property.
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await tester.pumpAndSettle();
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expect(buttonWidget().selected, false);
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expect(buttonMaterial().textStyle!.color, const ColorScheme.light().primary);
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expect(buttonMaterial().color, Colors.transparent);
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});
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}
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