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samples/add_to_app/fullscreen/flutter_module/test/widget_test.dart

48 lines
1.2 KiB

// Copyright 2019 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 'package:flutter/material.dart';
import 'package:flutter_module/main.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:provider/provider.dart';
class MockCounterModel extends ChangeNotifier implements CounterModel {
int _count = 0;
@override
int get count => _count;
@override
void increment() {
_count++;
notifyListeners();
}
}
void main() {
testWidgets('MiniView smoke test', (tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(
MaterialApp(
home: ChangeNotifierProvider<CounterModel>.value(
value: MockCounterModel(),
child: const Contents(),
),
),
);
// Verify that our counter starts at 0.
expect(find.text('Taps: 0'), findsOneWidget);
expect(find.text('Taps: 1'), findsNothing);
// Tap the '+' icon and trigger a frame.
await tester.tap(find.text('Tap me!'));
await tester.pump();
// Verify that our counter has incremented.
expect(find.text('Taps: 0'), findsNothing);
expect(find.text('Taps: 1'), findsOneWidget);
});
}