Feature/add test to nodejs sdk (#31)

sdks/nodejs-client/index.test.js

@@ -0,0 +1,66 @@
+import { DifyClient, BASE_URL, routes } from ".";
+
+import axios from 'axios'
+
+jest.mock('axios')
+
+describe('Client', () => {
+  let difyClient
+  beforeEach(() => {
+    difyClient = new DifyClient('test')
+  })
+
+  test('should create a client', () => {
+    expect(difyClient).toBeDefined();
+  })
+  // test updateApiKey
+  test('should update the api key', () => {
+    difyClient.updateApiKey('test2');
+    expect(difyClient.apiKey).toBe('test2');
+  })
+});
+
+describe('Send Requests', () => {
+  let difyClient
+
+  beforeEach(() => {
+    difyClient = new DifyClient('test')
+  })
+
+  afterEach(() => {
+    jest.resetAllMocks()
+  })
+
+  it('should make a successful request to the application parameter', async () => {
+    const method = 'GET'
+    const endpoint = routes.application.url
+    const expectedResponse = { data: 'response' }
+    axios.mockResolvedValue(expectedResponse)
+
+    await difyClient.sendRequest(method, endpoint)
+
+    expect(axios).toHaveBeenCalledWith({
+      method,
+      url: `${BASE_URL}${endpoint}`,
+      data: null,
+      params: null,
+      headers: {
+        Authorization: `Bearer ${difyClient.apiKey}`,
+        'Content-Type': 'application/json',
+      },
+      responseType: 'json',
+    })
+
+  })
+
+  it('should handle errors from the API', async () => {
+    const method = 'GET'
+    const endpoint = '/test-endpoint'
+    const errorMessage = 'Request failed with status code 404'
+    axios.mockRejectedValue(new Error(errorMessage))
+
+    await expect(difyClient.sendRequest(method, endpoint)).rejects.toThrow(
+      errorMessage
+    )
+  })
+})