57 lines
2 KiB
Dart
57 lines
2 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/material.dart';
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import 'package:flutter_api_samples/material/scaffold/scaffold.drawer.0.dart'
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as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets(
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'The page should contain a drawer than can be opened and closed',
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(WidgetTester tester) async {
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await tester.pumpWidget(const example.DrawerExampleApp());
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expect(find.byType(Drawer), findsNothing);
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// Open the drawer by tapping the button at the center of the screen.
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await tester.tap(find.widgetWithText(ElevatedButton, 'Open Drawer'));
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await tester.pumpAndSettle();
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expect(find.byType(Drawer), findsOne);
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expect(
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tester.getCenter(find.byType(Drawer)).dx,
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lessThan(400),
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reason: 'The drawer should be on the left side of the screen',
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);
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expect(find.text('This is the Drawer'), findsOne);
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// Close the drawer by tapping the button inside the drawer.
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await tester.tap(find.widgetWithText(ElevatedButton, 'Close Drawer'));
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await tester.pumpAndSettle();
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expect(find.byType(Drawer), findsNothing);
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// Open the drawer by tapping the drawer button in the app bar.
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expect(
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tester.getCenter(find.byType(DrawerButton)).dx,
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lessThan(400),
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reason: 'The drawer button should be on the left side of the app bar',
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);
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await tester.tap(find.byType(DrawerButton));
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await tester.pumpAndSettle();
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expect(find.byType(Drawer), findsOne);
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expect(find.text('This is the Drawer'), findsOne);
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// Close the drawer by tapping outside the drawer.
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final Rect drawerRect = tester.getRect(find.byType(Drawer));
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final Offset outsideDrawer = drawerRect.centerRight + const Offset(50, 0);
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await tester.tapAt(outsideDrawer);
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await tester.pumpAndSettle();
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expect(find.byType(Drawer), findsNothing);
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},
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);
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}
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