Mobile App Development – Flutter

Lesson 48: Testing Flutter Apps

import 'package:flutter_test/flutter_test.dart';
import 'package:myapp/main.dart';

void main() {
  testWidgets('Counter increments', (WidgetTester tester) async {
    await tester.pumpWidget(CounterApp());
    expect(find.text('Count: 0'), findsOneWidget);
    await tester.tap(find.byIcon(Icons.add));
    await tester.pump();
    expect(find.text('Count: 1'), findsOneWidget);
  });
}