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Add test for interactive_viewer.0.dart (#157773)

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Contributes to https://github.com/flutter/flutter/issues/130459

It adds a test for
- `examples/api/lib/widgets/interactive_viewer/interactive_viewer.0.dart`
This commit is contained in:
Valentin Vignal 2024-10-30 13:46:24 +08:00 committed by GitHub
parent 1ec1c59d47
commit f9c130abf0
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2 changed files with 63 additions and 1 deletions
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1
dev/bots/check_code_samples.dart
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@ -320,7 +320,6 @@ final Set<String> _knownMissingTests = <String>{
'examples/api/test/widgets/scrollbar/raw_scrollbar.0_test.dart',
'examples/api/test/widgets/interactive_viewer/interactive_viewer.constrained.0_test.dart',
'examples/api/test/widgets/interactive_viewer/interactive_viewer.transformation_controller.0_test.dart',
'examples/api/test/widgets/interactive_viewer/interactive_viewer.0_test.dart',
'examples/api/test/widgets/notification_listener/notification.0_test.dart',
'examples/api/test/widgets/overscroll_indicator/glowing_overscroll_indicator.1_test.dart',
'examples/api/test/widgets/overscroll_indicator/glowing_overscroll_indicator.0_test.dart',

63
examples/api/test/widgets/interactive_viewer/interactive_viewer.0_test.dart Normal file
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@ -0,0 +1,63 @@
// 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/widgets/interactive_viewer/interactive_viewer.0.dart'
as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Has correct items on screen', (WidgetTester tester) async {
await tester.pumpWidget(
const example.InteractiveViewerExampleApp(),
);
expect(find.widgetWithText(AppBar, 'InteractiveViewer Sample'), findsOne);
expect(find.byType(InteractiveViewer), findsOne);
expect(
tester.getRect(find.byType(Container)),
rectMoreOrLessEquals(const Rect.fromLTRB(0.0, 56.0, 800.0, 600.0)),
);
await tester.drag(find.byType(Container), const Offset(20, 20));
// Pans.
const Offset panStart = Offset(400.0, 300.0);
final Offset panEnd = panStart + const Offset(20.0, 20.0);
final TestGesture gesture = await tester.startGesture(panStart);
await tester.pump();
await gesture.moveTo(panEnd);
await tester.pump();
await gesture.up();
await tester.pumpAndSettle();
expect(
tester.getRect(find.byType(Container)),
rectMoreOrLessEquals(const Rect.fromLTRB(20.0, 76.0, 820.0, 620.0)),
);
// Zooms.
const Offset scaleStart1 = Offset(400.0, 300.0);
final Offset scaleStart2 = scaleStart1 + const Offset(10.0, 0.0);
final Offset scaleEnd1 = scaleStart1 - const Offset(10.0, 0.0);
final Offset scaleEnd2 = scaleStart2 + const Offset(10.0, 0.0);
final TestGesture gesture1 = await tester.createGesture();
final TestGesture gesture2 = await tester.createGesture();
await gesture1.down(scaleStart1);
await gesture2.down(scaleStart2);
await tester.pump();
await gesture1.moveTo(scaleEnd1);
await gesture2.moveTo(scaleEnd2);
await tester.pump();
await gesture1.up();
await gesture2.up();
await tester.pumpAndSettle();
expect(
tester.getRect(find.byType(Container)),
rectMoreOrLessEquals(const Rect.fromLTRB(-203.0, -58.4, 1077.0, 812.0)),
);
});
}