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Add test for nested_scroll_view_state.0.dart (#157714)

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

It adds a test for
- `examples/api/lib/widgets/nested_scroll_view/nested_scroll_view_state.0.dart`
This commit is contained in:
Valentin Vignal 2024-10-29 10:40:41 +08:00 committed by GitHub
parent 1ab3c57ea4
commit 88d992042c
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3 changed files with 42 additions and 2 deletions
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1
dev/bots/check_code_samples.dart
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@ -310,7 +310,6 @@ class SampleChecker {
// See https://github.com/flutter/flutter/issues/130459
final Set<String> _knownMissingTests = <String>{
'examples/api/test/material/color_scheme/dynamic_content_color.0_test.dart',
'examples/api/test/widgets/nested_scroll_view/nested_scroll_view_state.0_test.dart',
'examples/api/test/widgets/scroll_position/scroll_metrics_notification.0_test.dart',
'examples/api/test/widgets/media_query/media_query_data.system_gesture_insets.0_test.dart',
'examples/api/test/widgets/image/image.frame_builder.0_test.dart',

5
examples/api/lib/widgets/nested_scroll_view/nested_scroll_view_state.0.dart
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@ -24,7 +24,6 @@ final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
class NestedScrollViewStateExample extends StatelessWidget {
const NestedScrollViewStateExample({super.key});
@override
@override
Widget build(BuildContext context) {
return NestedScrollView(
@ -42,6 +41,10 @@ class NestedScrollViewStateExample extends StatelessWidget {
);
}
ScrollController get outerController {
return globalKey.currentState!.outerController;
}
ScrollController get innerController {
return globalKey.currentState!.innerController;
}

38
examples/api/test/widgets/nested_scroll_view/nested_scroll_view_state.0_test.dart Normal file
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@ -0,0 +1,38 @@
// 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/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter_api_samples/widgets/nested_scroll_view/nested_scroll_view_state.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Access the outer and inner controllers', (WidgetTester tester) async {
await tester.pumpWidget(
const example.NestedScrollViewStateExampleApp(),
);
expect(find.byType(NestedScrollView), findsOne);
expect(find.widgetWithText(SliverAppBar, 'NestedScrollViewState Demo!'), findsOne);
expect(find.byType(CustomScrollView), findsOne);
final example.NestedScrollViewStateExample widget = tester.widget<example.NestedScrollViewStateExample>(
find.byType(example.NestedScrollViewStateExample),
);
final ScrollController outerController = widget.outerController;
final ScrollController innerController = widget.innerController;
expect(outerController.offset, 0);
expect(innerController.offset, 0);
await tester.sendEventToBinding(const PointerScrollEvent(scrollDelta: Offset(0.0, 10.0)));
await tester.pump();
await tester.pumpAndSettle();
expect(outerController.offset, 10);
expect(innerController.offset, 0);
});
}