feat: added integration tests

src/test/mocks/indexed-db.ts

@@ -0,0 +1,55 @@
+/**
+ * Mock implementation of IndexedDB for integration tests
+ * Provides in-memory storage that mimics IndexedDB interface
+ */
+import { vi } from 'vitest'
+
+// In-memory storage for tests
+const mockStorage = new Map<string, any>()
+
+export const mockIndexedDB = {
+  openDB: vi.fn().mockImplementation(() => {
+    return Promise.resolve({
+      put: vi.fn().mockImplementation((storeName: string, data: any, key?: string) => {
+        const actualKey = key || data.id || 'default'
+        mockStorage.set(`${storeName}:${actualKey}`, data)
+        return Promise.resolve(actualKey)
+      }),
+      
+      get: vi.fn().mockImplementation((storeName: string, key: string) => {
+        return Promise.resolve(mockStorage.get(`${storeName}:${key}`))
+      }),
+      
+      getAll: vi.fn().mockImplementation((storeName: string) => {
+        const results: any[] = []
+        for (const [key, value] of mockStorage.entries()) {
+          if (key.startsWith(`${storeName}:`)) {
+            results.push(value)
+          }
+        }
+        return Promise.resolve(results)
+      }),
+      
+      delete: vi.fn().mockImplementation((storeName: string, key: string) => {
+        mockStorage.delete(`${storeName}:${key}`)
+        return Promise.resolve()
+      }),
+      
+      clear: vi.fn().mockImplementation((storeName: string) => {
+        for (const key of mockStorage.keys()) {
+          if (key.startsWith(`${storeName}:`)) {
+            mockStorage.delete(key)
+          }
+        }
+        return Promise.resolve()
+      }),
+      
+      close: vi.fn().mockResolvedValue(undefined),
+    })
+  }),
+}
+
+// Helper function to clear mock storage between tests
+export const clearMockStorage = () => {
+  mockStorage.clear()
+}