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3d3f8e85a6
* Update `CupertinoPicker` example * format lines * Revert making variable public * revert variable change
44 lines
1.6 KiB
Dart
44 lines
1.6 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/cupertino.dart';
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import 'package:flutter_api_samples/cupertino/picker/cupertino_picker.0.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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const Offset _kRowOffset = Offset(0.0, -50.0);
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void main() {
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testWidgets('Change selected fruit using CupertinoPicker', (WidgetTester tester) async {
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await tester.pumpWidget(
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const example.CupertinoPickerApp(),
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);
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// Open the Cupertino picker.
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await tester.tap(find.widgetWithText(CupertinoButton, 'Apple'));
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await tester.pumpAndSettle();
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// Test the initial item.
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CupertinoPicker picker = tester.widget<CupertinoPicker>(find.byType(CupertinoPicker));
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expect(picker.scrollController!.initialItem, 0);
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// Drag the wheel to change fruit selection.
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await tester.drag(find.text('Mango'), _kRowOffset, touchSlopY: 0, warnIfMissed: false); // see top of file
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 500));
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// Close the Cupertino picker.
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await tester.tapAt(const Offset(1.0, 1.0));
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await tester.pumpAndSettle();
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expect(find.widgetWithText(CupertinoButton, 'Banana'), findsOneWidget);
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// Test if the initial item has updated.
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await tester.tap(find.widgetWithText(CupertinoButton, 'Banana'));
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await tester.pumpAndSettle();
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picker = tester.widget<CupertinoPicker>(find.byType(CupertinoPicker));
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expect(picker.scrollController!.initialItem, 2);
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});
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}
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