// Copyright 2014 The Flutter Authors. 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_api_samples/material/snack_bar/snack_bar.0.dart' as example; import 'package:flutter_test/flutter_test.dart'; void main() { testWidgets('Clicking on Button shows a SnackBar', (WidgetTester tester) async { await tester.pumpWidget( const example.SnackBarExampleApp(), ); expect(find.widgetWithText(AppBar, 'SnackBar Sample'), findsOneWidget); expect(find.widgetWithText(ElevatedButton, 'Show Snackbar'), findsOneWidget); await tester.tap(find.widgetWithText(ElevatedButton, 'Show Snackbar')); await tester.pumpAndSettle(); expect(find.text('Awesome Snackbar!'), findsOneWidget); expect(find.text('Action'), findsOneWidget); }); }