feat: add todo cache repository and precise invalidation

2026-03-20 15:37:59 +08:00
parent 8883248968
commit e64b9c670c
6 changed files with 155 additions and 10 deletions
@@ -0,0 +1,57 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:social_app/core/cache/cache_entry.dart';
+import 'package:social_app/core/cache/cache_invalidator.dart';
+import 'package:social_app/core/cache/hybrid_cache_store.dart';
+import 'package:social_app/core/cache/memory_cache_store.dart';
+import 'package:social_app/core/cache/persistent_cache_store.dart';
+import 'package:social_app/features/todo/data/todo_api.dart';
+import 'package:social_app/features/todo/data/todo_repository.dart';
+
+class _MockTodoApi extends Mock implements TodoApi {}
+
+void main() {
+  test(
+    'complete todo should optimistically update and invalidate pending list key',
+    () async {
+      final api = _MockTodoApi();
+      final store = HybridCacheStore(
+        memory: MemoryCacheStore(),
+        persistent: PersistentCacheStore(),
+      );
+      final invalidator = CacheInvalidator(store: store);
+      final repository = TodoRepository(
+        api: api,
+        store: store,
+        invalidator: invalidator,
+      );
+
+      final cached = TodoResponse(
+        id: 'todo_1',
+        ownerId: 'u1',
+        title: 't1',
+        priority: 1,
+        order: 0,
+        status: 'pending',
+        createdAt: DateTime(2026, 3, 20, 10),
+        updatedAt: DateTime(2026, 3, 20, 10),
+      );
+      await store.write<CacheEntry<List<TodoResponse>>>(
+        TodoRepository.pendingListKey,
+        CacheEntry(value: [cached], fetchedAt: DateTime(2026, 3, 20, 10, 0)),
+      );
+
+      when(
+        () => api.completeTodo('todo_1'),
+      ).thenAnswer((_) async => cached.copyWith(status: 'completed'));
+
+      await repository.completeTodo('todo_1');
+
+      final updated = await store.read<CacheEntry<List<TodoResponse>>>(
+        TodoRepository.pendingListKey,
+      );
+      expect(updated?.value.first.status, 'completed');
+      expect(invalidator.wasInvalidated(TodoRepository.pendingListKey), true);
+    },
+  );
+}