redis cache

www/app/lib/__tests__/redisTokenCache.test.ts

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+import {
+  getTokenCache,
+  setTokenCache,
+  deleteTokenCache,
+  TokenCacheEntry,
+  KV,
+} from "../redisTokenCache";
+
+const mockKV: KV & {
+  clear: () => void;
+} = (() => {
+  const data = new Map<string, string>();
+  return {
+    async get(key: string): Promise<string | null> {
+      return data.get(key) || null;
+    },
+
+    async setex(key: string, seconds_: number, value: string): Promise<"OK"> {
+      data.set(key, value);
+      return "OK";
+    },
+
+    async del(key: string): Promise<number> {
+      const existed = data.has(key);
+      data.delete(key);
+      return existed ? 1 : 0;
+    },
+
+    clear() {
+      data.clear();
+    },
+  };
+})();
+
+describe("Redis Token Cache", () => {
+  beforeEach(() => {
+    mockKV.clear();
+  });
+
+  test("basic write/read - value written equals value read", async () => {
+    const testKey = "token:test-user-123";
+    const testValue: TokenCacheEntry = {
+      token: {
+        sub: "test-user-123",
+        name: "Test User",
+        email: "test@example.com",
+        accessToken: "access-token-123",
+        accessTokenExpires: Date.now() + 3600000, // 1 hour from now
+        refreshToken: "refresh-token-456",
+      },
+      timestamp: Date.now(),
+    };
+
+    await setTokenCache(mockKV, testKey, testValue);
+    const retrievedValue = await getTokenCache(mockKV, testKey);
+
+    expect(retrievedValue).not.toBeNull();
+    expect(retrievedValue).toEqual(testValue);
+    expect(retrievedValue?.token.accessToken).toBe(testValue.token.accessToken);
+    expect(retrievedValue?.token.sub).toBe(testValue.token.sub);
+    expect(retrievedValue?.timestamp).toBe(testValue.timestamp);
+  });
+
+  test("get returns null for non-existent key", async () => {
+    const result = await getTokenCache(mockKV, "non-existent-key");
+    expect(result).toBeNull();
+  });
+
+  test("delete removes token from cache", async () => {
+    const testKey = "token:delete-test";
+    const testValue: TokenCacheEntry = {
+      token: {
+        accessToken: "test-token",
+        accessTokenExpires: Date.now() + 3600000,
+      },
+      timestamp: Date.now(),
+    };
+
+    await setTokenCache(mockKV, testKey, testValue);
+    await deleteTokenCache(mockKV, testKey);
+
+    const result = await getTokenCache(mockKV, testKey);
+    expect(result).toBeNull();
+  });
+});