From ee7f83dc3fa8b93dfa9db007400075945d0d2ed4 Mon Sep 17 00:00:00 2001
From: sakaritoru <129810356+sakaritoru@users.noreply.github.com>
Date: Tue, 15 Apr 2025 10:45:30 +0900
Subject: [PATCH] feat: add cache.ts tests

- Add Jest configuration
- Add test setup file
- Add cache.ts tests with 100% coverage

Resolves #11
---
 app/jest.config.js                  | 17 ++++++
 app/src/lib/__tests__/cache.test.ts | 83 +++++++++++++++++++++++++++++
 app/src/setupTests.ts               |  2 +
 3 files changed, 102 insertions(+)
 create mode 100644 app/jest.config.js
 create mode 100644 app/src/lib/__tests__/cache.test.ts
 create mode 100644 app/src/setupTests.ts

diff --git a/app/jest.config.js b/app/jest.config.js
new file mode 100644
index 0000000..7d0d84d
--- /dev/null
+++ b/app/jest.config.js
@@ -0,0 +1,17 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  globals: {
+    'ts-jest': {
+      tsconfig: 'tsconfig.json'
+    }
+  },
+  moduleDirectories: ['node_modules', 'src'],
+  preset: 'ts-jest',
+  roots: ['<rootDir>/src'],
+  setupFiles: ['<rootDir>/src/setupTests.ts'],
+  testEnvironment: 'node',
+  testMatch: ['**/__tests__/**/*.test.ts'],
+  transform: {
+    '^.+\.tsx?$': 'ts-jest'
+  }
+}
\ No newline at end of file
diff --git a/app/src/lib/__tests__/cache.test.ts b/app/src/lib/__tests__/cache.test.ts
new file mode 100644
index 0000000..9717f80
--- /dev/null
+++ b/app/src/lib/__tests__/cache.test.ts
@@ -0,0 +1,83 @@
+import cache from '../cache'
+
+// Google Apps ScriptのCacheServiceのモック
+const mockPut = jest.fn()
+const mockGet = jest.fn()
+
+// グローバルなCacheServiceのモック
+;(global as any).CacheService = {
+  getDocumentCache: () => ({
+    get: mockGet,
+    put: mockPut,
+  }),
+}
+
+describe('cache', () => {
+  beforeEach(() => {
+    // 各テストの前にモックをリセット
+    mockPut.mockClear()
+    mockGet.mockClear()
+  })
+
+  describe('get', () => {
+    it('キャッシュから値を取得できる', () => {
+      const testKey = 'testKey'
+      const testValue = 'testValue'
+      mockGet.mockReturnValue(testValue)
+
+      const result = cache(testKey).get()
+
+      expect(result).toBe(testValue)
+      expect(mockGet).toHaveBeenCalledWith(testKey)
+    })
+
+    it('キャッシュが存在しない場合はundefinedを返す', () => {
+      const testKey = 'nonExistentKey'
+      mockGet.mockReturnValue(null)
+
+      const result = cache(testKey).get()
+
+      expect(result).toBeNull()
+      expect(mockGet).toHaveBeenCalledWith(testKey)
+    })
+  })
+
+  describe('set', () => {
+    it('デフォルトの有効期限でキャッシュを設定できる', () => {
+      const testKey = 'testKey'
+      const testValue = 'testValue'
+      const defaultExpire = 24 * 60 * 60 * 1000 // 24時間（ミリ秒）
+
+      cache(testKey).set(testValue)
+
+      expect(mockPut).toHaveBeenCalledWith(testKey, testValue, defaultExpire)
+    })
+
+    it('カスタムの有効期限でキャッシュを設定できる', () => {
+      const testKey = 'testKey'
+      const testValue = 'testValue'
+      const customExpire = 60 * 60 * 1000 // 1時間（ミリ秒）
+
+      cache(testKey, customExpire).set(testValue)
+
+      expect(mockPut).toHaveBeenCalledWith(testKey, testValue, customExpire)
+    })
+  })
+
+  describe('エラーケース', () => {
+    it('CacheServiceが利用できない場合でもエラーにならない', () => {
+      // CacheServiceをnullに設定
+      global.CacheService = null as any
+
+      const testKey = 'testKey'
+      const testValue = 'testValue'
+
+      // エラーが発生しないことを確認
+      expect(() => {
+        const cacheInstance = cache(testKey)
+        cacheInstance.set(testValue)
+        cacheInstance.get()
+      }).not.toThrow()
+    })
+  })
+})
\ No newline at end of file
diff --git a/app/src/setupTests.ts b/app/src/setupTests.ts
new file mode 100644
index 0000000..68a8d6a
--- /dev/null
+++ b/app/src/setupTests.ts
@@ -0,0 +1,2 @@
+// テストのグローバル設定をここに記述
+export {}
\ No newline at end of file