mirror of https://github.com/flutter/samples.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.8 KiB
66 lines
1.8 KiB
// 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 'dart:math';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
import 'package:provider/provider.dart';
|
|
import 'package:testing_app/models/favorites.dart';
|
|
import 'package:testing_app/screens/favorites.dart';
|
|
|
|
Favorites favoritesList;
|
|
|
|
Widget createFavoritesScreen() => ChangeNotifierProvider<Favorites>(
|
|
create: (context) {
|
|
favoritesList = Favorites();
|
|
return favoritesList;
|
|
},
|
|
child: MaterialApp(
|
|
home: FavoritesPage(),
|
|
),
|
|
);
|
|
|
|
void addRandomItems() {
|
|
for (var i = 0; i < 5; i++) {
|
|
favoritesList.add(Random().nextInt(50));
|
|
}
|
|
}
|
|
|
|
void main() {
|
|
group('Favorites Page Widget Tests', () {
|
|
testWidgets('Test if ListView shows up', (tester) async {
|
|
await tester.pumpWidget(createFavoritesScreen());
|
|
|
|
// Add random values.
|
|
addRandomItems();
|
|
await tester.pumpAndSettle();
|
|
|
|
// Verify if ListView shows up.
|
|
expect(find.byType(ListView), findsOneWidget);
|
|
});
|
|
|
|
testWidgets('Testing Remove Button', (tester) async {
|
|
await tester.pumpWidget(createFavoritesScreen());
|
|
|
|
// Add random values.
|
|
addRandomItems();
|
|
await tester.pumpAndSettle();
|
|
|
|
// Get the total number of items available.
|
|
var totalItems = tester.widgetList(find.byIcon(Icons.close)).length;
|
|
|
|
// Remove one item.
|
|
await tester.tap(find.byIcon(Icons.close).first);
|
|
await tester.pumpAndSettle();
|
|
|
|
// Check if removed properly.
|
|
expect(tester.widgetList(find.byIcon(Icons.close)).length,
|
|
lessThan(totalItems));
|
|
|
|
// Verify if the appropriate message is shown.
|
|
expect(find.text('Removed from favorites.'), findsOneWidget);
|
|
});
|
|
});
|
|
}
|