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48 lines
1.5 KiB
Dart
48 lines
1.5 KiB
Dart
// Copyright 2020 The Flutter team. 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:animations/src/misc/expand_card.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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Widget createExpandCardScreen() => const MaterialApp(home: ExpandCardDemo());
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void main() {
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group('ExpandCard Tests', () {
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testWidgets('ExpandCard changes size on tap', (tester) async {
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await tester.pumpWidget(createExpandCardScreen());
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// Get the initial size of ExpandCard.
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var initialSize = tester.getSize(find.byType(ExpandCard));
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// Tap on the ExpandCard.
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await tester.tap(find.byType(ExpandCard));
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await tester.pumpAndSettle();
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// The size of ExpandCard must change once tapped.
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// The initialSize should be less than current ExpandCard size.
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expect(
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initialSize,
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lessThan(tester.getSize(find.byType(ExpandCard))),
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);
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});
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testWidgets('ExpandCard changes image on tap', (tester) async {
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await tester.pumpWidget(createExpandCardScreen());
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var initialImage = tester.widget(find.byType(Image).last);
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// Tap on ExpandCard.
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await tester.tap(find.byType(ExpandCard));
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await tester.pumpAndSettle();
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// Once tapped, the image should change.
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expect(
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initialImage,
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isNot(equals(tester.widget(find.byType(Image).last))),
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);
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});
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});
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}
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