feat: get access token & refresh tokens for server type SASJS

src/auth/spec/refreshTokensForViya.spec.ts

@@ -0,0 +1,75 @@
+import { AuthConfig } from '@sasjs/utils'
+import * as NodeFormData from 'form-data'
+import { generateToken, mockAuthResponse } from './mockResponses'
+import { RequestClient } from '../../request/RequestClient'
+import { refreshTokensForViya } from '../refreshTokensForViya'
+
+const requestClient = new (<jest.Mock<RequestClient>>RequestClient)()
+
+describe('refreshTokensForViya', () => {
+  it('should attempt to refresh tokens', async () => {
+    setupMocks()
+    const access_token = generateToken(30)
+    const refresh_token = generateToken(30)
+    const authConfig: AuthConfig = {
+      access_token,
+      refresh_token,
+      client: 'cl13nt',
+      secret: 's3cr3t'
+    }
+    jest
+      .spyOn(requestClient, 'post')
+      .mockImplementation(() =>
+        Promise.resolve({ result: mockAuthResponse, etag: '' })
+      )
+    const token = Buffer.from(
+      authConfig.client + ':' + authConfig.secret
+    ).toString('base64')
+
+    await refreshTokensForViya(
+      requestClient,
+      authConfig.client,
+      authConfig.secret,
+      authConfig.refresh_token
+    )
+
+    expect(requestClient.post).toHaveBeenCalledWith(
+      '/SASLogon/oauth/token',
+      expect.any(NodeFormData),
+      undefined,
+      expect.stringContaining('multipart/form-data; boundary='),
+      {
+        Authorization: 'Basic ' + token
+      }
+    )
+  })
+
+  it('should handle errors while refreshing tokens', async () => {
+    setupMocks()
+    const access_token = generateToken(30)
+    const refresh_token = generateToken(30)
+    const authConfig: AuthConfig = {
+      access_token,
+      refresh_token,
+      client: 'cl13nt',
+      secret: 's3cr3t'
+    }
+    jest
+      .spyOn(requestClient, 'post')
+      .mockImplementation(() => Promise.reject('Token Error'))
+
+    const error = await refreshTokensForViya(
+      requestClient,
+      authConfig.client,
+      authConfig.secret,
+      authConfig.refresh_token
+    ).catch((e) => e)
+
+    expect(error).toContain('Error while refreshing tokens')
+  })
+})
+
+const setupMocks = () => {
+  jest.restoreAllMocks()
+  jest.mock('../../request/RequestClient')
+}