import 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:provider/provider.dart'; import 'package:provider_counter/main.dart'; void main() { testWidgets('Counter increments smoke test', (tester) async { // Build our app, provide it with a model, and trigger a frame. await tester.pumpWidget( ChangeNotifierProvider( builder: (context) => Counter(), child: MyApp(), ), ); // Verify that our counter starts at 0. expect(find.text('0'), findsOneWidget); expect(find.text('1'), findsNothing); // Tap the '+' icon and trigger a frame. await tester.tap(find.byIcon(Icons.add)); await tester.pump(); // Verify that our counter has incremented. expect(find.text('0'), findsNothing); expect(find.text('1'), findsOneWidget); }); }