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samples/experimental/context_menus/test/cascading_menu_page_test.dart

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4.5 KiB

import 'package:context_menus/cascading_menu_page.dart';
import 'package:context_menus/main.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Can show and use the cascading menu', (tester) async {
await tester.pumpWidget(const MyApp());
// Navigate to the CascadingMenuPage example.
await tester.dragUntilVisible(
find.text(CascadingMenuPage.title),
find.byType(ListView),
const Offset(0.0, -250.0),
);
await tester.pumpAndSettle();
await tester.tap(find.text(CascadingMenuPage.title));
await tester.pumpAndSettle();
const String message =
'Right click or long press anywhere to show the cascading menu.';
expect(find.text(message), findsOneWidget);
// Right click on the background of the app to show the cascading context
// menu.
TestGesture gesture = await tester.startGesture(
const Offset(0.0, 100.0),
kind: PointerDeviceKind.mouse,
buttons: kSecondaryMouseButton,
);
await tester.pump();
await gesture.up();
await gesture.removePointer();
await tester.pumpAndSettle();
// The custom cascading context menu is shown.
expect(find.byType(DesktopTextSelectionToolbar), findsOneWidget);
expect(find.text('About'), findsOneWidget);
expect(find.text('Show'), findsNothing);
expect(find.text('Hide'), findsOneWidget);
expect(find.text('Reset'), findsOneWidget);
expect(find.text('Color'), findsOneWidget);
// Click "Hide Message" and the message and menu are hidden.
await tester.tap(find.text('Hide'));
await tester.pumpAndSettle();
expect(find.byType(DesktopTextSelectionToolbar), findsNothing);
expect(find.text(message), findsNothing);
// Right click to show the menu again.
gesture = await tester.startGesture(
const Offset(0.0, 100.0),
kind: PointerDeviceKind.mouse,
buttons: kSecondaryMouseButton,
);
await tester.pump();
await gesture.up();
await gesture.removePointer();
await tester.pumpAndSettle();
expect(find.byType(DesktopTextSelectionToolbar), findsOneWidget);
expect(find.text('About'), findsOneWidget);
expect(find.text('Show'), findsOneWidget);
expect(find.text('Hide'), findsNothing);
expect(find.text('Reset'), findsOneWidget);
expect(find.text('Color'), findsOneWidget);
// Use the shortcut to show the message again.
await tester.sendKeyDownEvent(LogicalKeyboardKey.control);
await tester.sendKeyDownEvent(LogicalKeyboardKey.keyS);
await tester.sendKeyUpEvent(LogicalKeyboardKey.control);
await tester.sendKeyUpEvent(LogicalKeyboardKey.keyS);
await tester.pumpAndSettle();
expect(find.byType(DesktopTextSelectionToolbar), findsNothing);
expect(find.text(message), findsOneWidget);
// Right click to show the menu again.
gesture = await tester.startGesture(
const Offset(0.0, 100.0),
kind: PointerDeviceKind.mouse,
buttons: kSecondaryMouseButton,
);
await tester.pump();
await gesture.up();
await gesture.removePointer();
await tester.pumpAndSettle();
expect(find.byType(DesktopTextSelectionToolbar), findsOneWidget);
expect(find.text('About'), findsOneWidget);
expect(find.text('Show'), findsNothing);
expect(find.text('Hide'), findsOneWidget);
expect(find.text('Reset'), findsOneWidget);
expect(find.text('Color'), findsOneWidget);
expect(find.text('Red'), findsNothing);
expect(find.text('Green'), findsNothing);
expect(find.text('Blue'), findsNothing);
// Hover Background Color.
gesture = await tester.startGesture(
//tester.getCenter(find.text('Color')),
const Offset(0.0, 100),
kind: PointerDeviceKind.mouse,
);
await tester.pump();
await gesture.moveTo(tester.getCenter(find.text('Color')));
await tester.pumpAndSettle();
// Background colors are shown.
expect(find.text('Red'), findsOneWidget);
expect(find.text('Green'), findsOneWidget);
expect(find.text('Blue'), findsOneWidget);
// Select green.
await gesture.moveTo(tester.getCenter(find.text('Green')));
await tester.pump();
await tester.tap(find.text('Green'));
await tester.pump();
await gesture.removePointer();
// The menu is gone and the UI shows green was selected.
expect(find.byType(DesktopTextSelectionToolbar), findsNothing);
expect(find.text('Last Selected: Green Background'), findsOneWidget);
});
}