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58 lines
1.9 KiB
58 lines
1.9 KiB
// Copyright 2020 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:provider/provider.dart';
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import 'package:provider_shopper/models/cart.dart';
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import 'package:provider_shopper/models/catalog.dart';
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import 'package:provider_shopper/screens/catalog.dart';
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Widget createCatalogScreen() => MultiProvider(
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providers: [
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Provider(create: (context) => CatalogModel()),
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ChangeNotifierProxyProvider<CatalogModel, CartModel>(
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create: (context) => CartModel(),
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update: (context, catalog, cart) {
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cart!.catalog = catalog;
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return cart;
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},
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),
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],
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child: const MaterialApp(
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home: MyCatalog(),
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),
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);
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void main() {
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final catalogListItems = CatalogModel.itemNames.sublist(0, 3);
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group('CatalogScreen Widget Tests', () {
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testWidgets('Testing item row counts and text', (tester) async {
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await tester.pumpWidget(createCatalogScreen());
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// Testing for the items on the screen after modifying
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// the model for a fixed number of items.
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for (var item in catalogListItems) {
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expect(find.text(item), findsWidgets);
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}
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});
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testWidgets('Testing the ADD buttons and check after clicking',
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(tester) async {
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await tester.pumpWidget(createCatalogScreen());
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// Should find ADD buttons on the screen.
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expect(find.text('ADD'), findsWidgets);
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// Performing the click on the ADD button of the first item in the list.
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await tester.tap(find.widgetWithText(TextButton, 'ADD').first);
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await tester.pumpAndSettle();
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// Verifying if the tapped ADD button has changed to the check icon.
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expect(find.byIcon(Icons.check), findsOneWidget);
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});
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});
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}
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