flutter/examples/api/test/widgets/routes/flexible_route_transitions.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

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2.2 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_api_samples/widgets/routes/flexible_route_transitions.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Flexible Transitions App is able to build', (WidgetTester tester) async {
await tester.pumpWidget(const example.FlexibleRouteTransitionsApp());
expect(find.text('Zoom Page'), findsOneWidget);
expect(find.text('Zoom Transition'), findsOneWidget);
expect(find.text('Crazy Vertical Transition'), findsOneWidget);
expect(find.text('Cupertino Transition'), findsOneWidget);
await tester.tap(find.text('Cupertino Transition'));
await tester.pumpAndSettle();
expect(find.text('Zoom Page'), findsNothing);
expect(find.text('Cupertino Page'), findsOneWidget);
});
testWidgets('A vertical slide animation is passed to the previous route', (
WidgetTester tester,
) async {
await tester.pumpWidget(const example.FlexibleRouteTransitionsApp());
expect(find.text('Zoom Page'), findsOneWidget);
// Save the Y coordinate of the page title.
double lastYPosition = tester.getTopLeft(find.text('Zoom Page')).dy;
await tester.tap(find.text('Crazy Vertical Transition'));
await tester.pump();
await tester.pump(const Duration(milliseconds: 10));
// The current Y coordinate of the page title should be lower than it was
// before as the page slides upwards.
expect(tester.getTopLeft(find.text('Zoom Page')).dy, lessThan(lastYPosition));
lastYPosition = tester.getTopLeft(find.text('Zoom Page')).dy;
await tester.pump(const Duration(milliseconds: 10));
expect(tester.getTopLeft(find.text('Zoom Page')).dy, lessThan(lastYPosition));
lastYPosition = tester.getTopLeft(find.text('Zoom Page')).dy;
await tester.pump(const Duration(milliseconds: 10));
expect(tester.getTopLeft(find.text('Zoom Page')).dy, lessThan(lastYPosition));
lastYPosition = tester.getTopLeft(find.text('Zoom Page')).dy;
await tester.pumpAndSettle();
expect(find.text('Crazy Vertical Page'), findsOneWidget);
});
}