snapshot of https://github.com/flutter/samples.git (main, 2026-09-16; blobs > 131072B omitted)

testing_app/integration_test/app_test.dart

@@ -0,0 +1,99 @@
+// Copyright 2020 The Flutter team. 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_test/flutter_test.dart';
+import 'package:integration_test/integration_test.dart';
+import 'package:testing_app/main.dart';
+
+void main() {
+  group('Testing App Driver Tests', () {
+    IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+    testWidgets('Finding an item in the list', (tester) async {
+      await tester.pumpWidget(const TestingApp());
+
+      // Create variables for finders that are used multiple times.
+      final itemFinder = find.byKey(const ValueKey('text_25'));
+
+      // Scroll until the item to be found appears.
+      await tester.scrollUntilVisible(itemFinder, 500.0);
+
+      // Check if the item contains the correct text.
+      expect(tester.widget<Text>(itemFinder).data, 'Item 25');
+    });
+
+    testWidgets('Testing IconButtons', (tester) async {
+      await tester.pumpWidget(const TestingApp());
+
+      // Create a finder for the icon.
+      final iconFinder = find.byKey(const ValueKey('icon_0'));
+
+      // Tap on the icon.
+      await tester.tap(iconFinder);
+
+      // Wait 1 second for the SnackBar to be displayed
+      await tester.pumpAndSettle(const Duration(seconds: 1));
+
+      // Verify if appropriate message appears.
+      expect(find.text('Added to favorites.'), findsOneWidget);
+
+      // Tap on the icon again.
+      await tester.tap(iconFinder);
+
+      // Wait 1 second for the SnackBar to be displayed
+      await tester.pumpAndSettle(const Duration(seconds: 1));
+
+      // Verify if appropriate message appears.
+      expect(find.text('Removed from favorites.'), findsOneWidget);
+    });
+
+    testWidgets('Verifying whether item gets added to favorites', (
+      tester,
+    ) async {
+      await tester.pumpWidget(const TestingApp());
+
+      // Add item to favorites.
+      await tester.tap(find.byKey(const ValueKey('icon_5')));
+      await tester.pumpAndSettle();
+
+      // Tap on the favorites button on the AppBar.
+      // The Favorites List should appear.
+      await tester.tap(find.text('Favorites'));
+      await tester.pumpAndSettle();
+
+      // Check if the added item has appeared in the list.
+      expect(
+        tester
+            .widget<Text>(find.byKey(const ValueKey('favorites_text_5')))
+            .data,
+        equals('Item 5'),
+      );
+    });
+
+    testWidgets('Testing remove button', (tester) async {
+      await tester.pumpWidget(const TestingApp());
+
+      // Add item to favorites.
+      await tester.tap(find.byKey(const ValueKey('icon_5')));
+      await tester.pumpAndSettle();
+
+      // Navigate to Favorites screen.
+      await tester.tap(find.text('Favorites'));
+      await tester.pumpAndSettle();
+
+      // Tap on the remove icon.
+      await tester.tap(find.byKey(const ValueKey('remove_icon_5')));
+
+      // Wait 1 second for the SnackBar to be displayed
+      await tester.pumpAndSettle(const Duration(seconds: 1));
+
+      // Verify if it disappears.
+      expect(find.text('Item 5'), findsNothing);
+
+      // Verify if appropriate message appears.
+      expect(find.text('Removed from favorites.'), findsOneWidget);
+    });
+  });
+}