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samples/animations/test/misc/card_swipe_test.dart

68 lines
2.2 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 'package:animations/src/misc/card_swipe.dart';
import 'package:flutter/material.dart' hide Card;
import 'package:flutter_test/flutter_test.dart';
Widget createCardSwipeScreen() => const MaterialApp(
home: CardSwipeDemo(),
);
void main() {
group('Card Swipe Tests', () {
testWidgets('One card swiped out', (tester) async {
await tester.pumpWidget(createCardSwipeScreen());
// Get the total number of cards available.
var totalCards = tester.widgetList(find.byType(Card)).length;
// Ensure card is visible.
await tester.ensureVisible(find.byType(Card).last);
// Swipe out one card.
await tester.drag(find.byType(Card).last, const Offset(100.0, 0.0));
await tester.pumpAndSettle();
// Check if removed properly.
expect(tester.widgetList(find.byType(Card)).length, lessThan(totalCards));
});
testWidgets('All cards swiped out', (tester) async {
await tester.pumpWidget(createCardSwipeScreen());
// Get the total number of cards availabe.
var totalCards = tester.widgetList(find.byType(Card)).length;
// Swipe out all cards.
for (var i = 0; i < totalCards; i++) {
// Swipe out one by one.
await tester.drag(find.byType(Card).last, const Offset(100.0, 0.0));
await tester.pumpAndSettle();
}
// Check if any card is remaining.
expect(find.byType(Card), findsNothing);
});
testWidgets('Stack refilled with cards', (tester) async {
await tester.pumpWidget(createCardSwipeScreen());
// Get the total number of cards availabe.
var totalCards = tester.widgetList(find.byType(Card)).length;
// Swipe out one card.
await tester.drag(find.byType(Card).last, const Offset(100.0, 0.0));
await tester.pumpAndSettle();
// Tap the Refill button.
await tester.tap(find.byType(ElevatedButton));
await tester.pumpAndSettle();
// Check if the entire stack is refilled.
expect(find.byType(Card), findsNWidgets(totalCards));
});
});
}