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// 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/scheduler.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_gallery/gallery/app.dart';
void main() {
final TestWidgetsFlutterBinding binding = TestWidgetsFlutterBinding.ensureInitialized() as TestWidgetsFlutterBinding;
if (binding is LiveTestWidgetsFlutterBinding)
binding.framePolicy = LiveTestWidgetsFlutterBindingFramePolicy.fullyLive;
testWidgets('Flutter Gallery drawer item test', (WidgetTester tester) async {
bool hasFeedback = false;
await tester.pumpWidget(
GalleryApp(
testMode: true,
onSendFeedback: () {
hasFeedback = true;
},
),
);
await tester.pump(); // see https://github.com/flutter/flutter/issues/1865
await tester.pump(); // triggers a frame
// Show the options page
await tester.tap(find.byTooltip('Toggle options page'));
await tester.pumpAndSettle();
// Verify theme settings
MaterialApp app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.theme.brightness, equals(Brightness.light));
expect(app.darkTheme.brightness, equals(Brightness.dark));
// Switch to the dark theme: first menu button, choose 'Dark'
await tester.tap(find.byIcon(Icons.arrow_drop_down).first);
await tester.pumpAndSettle();
await tester.tap(find.text('Dark'));
await tester.pumpAndSettle();
app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.themeMode, ThemeMode.dark);
// Switch to the light theme: first menu button, choose 'Light'
await tester.tap(find.byIcon(Icons.arrow_drop_down).first);
await tester.pumpAndSettle();
await tester.tap(find.text('Light'));
await tester.pumpAndSettle();
app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.themeMode, ThemeMode.light);
// Switch back to system theme setting: first menu button, choose 'System Default'
await tester.tap(find.byIcon(Icons.arrow_drop_down).first);
await tester.pumpAndSettle();
await tester.tap(find.descendant(
of: find.byWidgetPredicate((Widget widget) => widget.runtimeType.toString() == 'PopupMenuItem<ThemeMode>'),
matching: find.text('System Default')
));
await tester.pumpAndSettle();
app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.themeMode, ThemeMode.system);
// Verify density settings
expect(app.theme.visualDensity, equals(const VisualDensity()));
// Popup the density menu: third menu button, choose 'Compact'
await tester.tap(find.byIcon(Icons.arrow_drop_down).at(2));
await tester.pumpAndSettle();
await tester.tap(find.text('Compact'));
await tester.pumpAndSettle();
app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.theme.visualDensity, equals(VisualDensity.compact));
await tester.tap(find.byIcon(Icons.arrow_drop_down).at(2));
await tester.pumpAndSettle();
await tester.tap(find.descendant(
of: find.byWidgetPredicate((Widget widget) => widget.runtimeType.toString() == 'PopupMenuItem<GalleryVisualDensityValue>'),
matching: find.text('System Default')
));
await tester.pumpAndSettle();
app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.theme.visualDensity, equals(const VisualDensity()));
// Verify platform settings
expect(app.theme.platform, equals(TargetPlatform.android));
// Popup the platform menu: fourth menu button, choose 'Cupertino'
await tester.tap(find.byIcon(Icons.arrow_drop_down).at(3));
await tester.pumpAndSettle();
await tester.tap(find.text('Cupertino').at(1));
await tester.pumpAndSettle();
app = find.byType(MaterialApp).evaluate().first.widget as MaterialApp;
expect(app.theme.platform, equals(TargetPlatform.iOS));
// Verify the font scale.
final Size origTextSize = tester.getSize(find.text('Text size'));
expect(origTextSize, equals(const Size(144.0, 16.0)));
// Popup the text size menu: second menu button, choose 'Small'
await tester.tap(find.byIcon(Icons.arrow_drop_down).at(1));
await tester.pumpAndSettle();
await tester.tap(find.text('Small'));
await tester.pumpAndSettle();
Size textSize = tester.getSize(find.text('Text size'));
expect(textSize, equals(const Size(116.0, 13.0)));
// Set font scale back to the default.
await tester.tap(find.byIcon(Icons.arrow_drop_down).at(1));
await tester.pumpAndSettle();
await tester.tap(find.descendant(
of: find.byWidgetPredicate((Widget widget) => widget.runtimeType.toString() == 'PopupMenuItem<GalleryTextScaleValue>'),
matching: find.text('System Default')
));
await tester.pumpAndSettle();
textSize = tester.getSize(find.text('Text size'));
expect(textSize, origTextSize);
// Switch to slow animation: second switch control
expect(timeDilation, 1.0);
await tester.tap(find.byType(Switch).at(1));
await tester.pumpAndSettle();
expect(timeDilation, greaterThan(1.0));
// Restore normal animation: second switch control
await tester.tap(find.byType(Switch).at(1));
await tester.pumpAndSettle();
expect(timeDilation, 1.0);
// Send feedback.
expect(hasFeedback, false);
// Scroll to the end
await tester.drag(find.text('Text size'), const Offset(0.0, -1000.0));
await tester.pumpAndSettle();
await tester.tap(find.text('Send feedback'));
await tester.pumpAndSettle();
expect(hasFeedback, true);
// Hide the options page
await tester.tap(find.byTooltip('Toggle options page'));
await tester.pumpAndSettle();
});
}