bvandeusen
44e2623b3c
LikedIdsController loads /api/likes/ids once and mutates the local set on toggle. Failed mutations roll the set back so the icon never lies. Wired into ArtistDetail header, AlbumDetail header, and per-track in the album track list.
64 lines
2.0 KiB
Dart
64 lines
2.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:minstrel/api/endpoints/likes.dart';
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import 'package:minstrel/likes/like_button.dart';
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import 'package:minstrel/likes/likes_provider.dart';
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import 'package:minstrel/theme/theme_data.dart';
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class _ThrowingLikesApi implements LikesApi {
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bool throwOnNext = false;
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@override
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Future<void> like(LikeKind kind, String id) async {
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if (throwOnNext) throw StateError('boom');
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}
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@override
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Future<void> unlike(LikeKind kind, String id) async {
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if (throwOnNext) throw StateError('boom');
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}
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@override
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Future<({Set<String> artists, Set<String> albums, Set<String> tracks})>
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ids() async =>
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(artists: <String>{}, albums: <String>{}, tracks: <String>{});
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}
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void main() {
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testWidgets('tap toggles icon optimistically; rollback on error',
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(tester) async {
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final api = _ThrowingLikesApi();
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final container = ProviderContainer(overrides: [
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likesApiProvider.overrideWith((ref) async => api),
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]);
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addTearDown(container.dispose);
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await tester.pumpWidget(UncontrolledProviderScope(
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container: container,
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child: MaterialApp(
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theme: buildThemeData(),
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home: const Scaffold(
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body: LikeButton(kind: LikeKind.album, id: 'al-1'),
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),
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),
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));
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await tester.pumpAndSettle();
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// First tap = like; succeeds → icon flips to favorite.
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await tester.tap(find.byType(IconButton));
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await tester.pump();
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expect(find.byIcon(Icons.favorite), findsOneWidget);
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// Force the next mutation to fail; rollback restores prior state.
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api.throwOnNext = true;
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final notifier = container.read(likedIdsProvider.notifier);
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try {
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await notifier.toggle(LikeKind.album, 'al-1');
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} catch (_) {/* expected */}
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await tester.pump();
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expect(find.byIcon(Icons.favorite), findsOneWidget); // rolled back
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});
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}
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