148 lines
3.9 KiB
Dart
148 lines
3.9 KiB
Dart
import 'package:flutter_card_swiper/flutter_card_swiper.dart';
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import 'package:flutter_card_swiper/src/controller/controller_event.dart';
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import 'package:flutter_test/flutter_test.dart';
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import '../test_helpers/card_builder.dart';
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import '../test_helpers/finders.dart';
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import '../test_helpers/pump_app.dart';
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void main() {
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group('CardSwiperController', () {
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test('Swipe event adds ControllerSwipeEvent to the stream', () {
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final controller = CardSwiperController();
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const direction = CardSwiperDirection.right;
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expectLater(
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controller.events,
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emits(
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isA<ControllerSwipeEvent>()
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.having((event) => event.direction, 'direction', direction),
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),
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);
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controller.swipe(direction);
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});
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test('Undo event adds ControllerUndoEvent to the stream', () {
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final controller = CardSwiperController();
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expectLater(
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controller.events,
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emits(isA<ControllerUndoEvent>()),
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);
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controller.undo();
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});
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test('Swipe event adds ControllerSwipeEvent to the stream', () {
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final controller = CardSwiperController();
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const index = 42;
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expectLater(
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controller.events,
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emits(
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isA<ControllerMoveEvent>()
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.having((event) => event.index, 'index', index),
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),
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);
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controller.moveTo(index);
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});
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test('Dispose closes the stream', () {
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final controller = CardSwiperController();
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expect(controller.events.isBroadcast, isTrue);
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controller.dispose();
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expect(
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() => controller.swipe(CardSwiperDirection.left),
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throwsStateError,
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);
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});
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for (final direction in [
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CardSwiperDirection.left,
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CardSwiperDirection.right,
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CardSwiperDirection.top,
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CardSwiperDirection.bottom,
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]) {
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testWidgets('swipe([direction]) should swipe the card to the [direction]',
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(tester) async {
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final controller = CardSwiperController();
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var detectedDirection = CardSwiperDirection.none;
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await tester.pumpApp(
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CardSwiper(
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controller: controller,
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cardsCount: 10,
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cardBuilder: genericBuilder,
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onSwipe: (oldIndex, currentIndex, swipeDirection) {
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detectedDirection = swipeDirection;
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return true;
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},
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),
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);
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controller.swipe(direction);
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await tester.pumpAndSettle();
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expect(detectedDirection, direction);
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});
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testWidgets('undo() should undo the last swipe [direction]',
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(tester) async {
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final controller = CardSwiperController();
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var detectedDirection = CardSwiperDirection.none;
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await tester.pumpApp(
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CardSwiper(
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controller: controller,
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cardsCount: 10,
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cardBuilder: genericBuilder,
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onUndo: (_, __, swipeDirection) {
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detectedDirection = swipeDirection;
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return true;
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},
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),
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);
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controller.swipe(direction);
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await tester.pumpAndSettle();
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expect(find.card(1), findsOneWidget);
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controller.undo();
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await tester.pumpAndSettle();
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expect(find.card(0), findsOneWidget);
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expect(detectedDirection, direction);
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});
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}
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testWidgets('should not undo if onUndo returns false', (tester) async {
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final controller = CardSwiperController();
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await tester.pumpApp(
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CardSwiper(
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controller: controller,
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cardsCount: 10,
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cardBuilder: genericBuilder,
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onUndo: (_, __, swipeDirection) {
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return false;
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},
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),
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);
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controller.swipe(CardSwiperDirection.left);
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await tester.pumpAndSettle();
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controller.undo();
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await tester.pumpAndSettle();
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expect(find.card(0), findsNothing);
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});
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});
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}
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