integration_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';

import 'package:your_app/main.dart'; // Update with the path to your main app file

void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();

  testWidgets('Login flow test', (WidgetTester tester) async {
    // Pump the app (load the initial screen)
    await tester.pumpWidget(MyApp());

    // Verify that the login screen is displayed
    expect(find.byType(TextFormField), findsNWidgets(2)); // Expect two TextFormFields (username, password)
    expect(find.byType(ElevatedButton), findsOneWidget); // Expect one ElevatedButton (submit button)

    // Enter username and password into the text fields
    await tester.enterText(find.byType(TextFormField).first, 'testuser');
    await tester.enterText(find.byType(TextFormField).at(1), 'password123');

    // Tap the submit button
    await tester.tap(find.byType(ElevatedButton));

    // Wait for the navigation to the Home screen
    await tester.pumpAndSettle(); // pumpAndSettle waits for all animations to finish

    // Verify that the Home screen is displayed
    expect(find.text('Welcome, testuser'), findsOneWidget);
    expect(find.byType(Icon), findsOneWidget); // Example: Ensure there's an Icon on Home screen
  });
}