All files / api generate-auth-token.test.ts

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/**
 * @license
 * Copyright 2019 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
import { expect } from 'chai';
import { SinonStub, stub } from 'sinon';
import { GenerateAuthTokenResponse } from '../interfaces/api-response';
import { AppConfig } from '../interfaces/app-config';
import {
  CompletedAuthToken,
  RegisteredInstallationEntry,
  RequestStatus
} from '../interfaces/installation-entry';
import { compareHeaders } from '../testing/compare-headers';
import { getFakeAppConfig } from '../testing/get-fake-app';
import '../testing/setup';
import {
  INSTALLATIONS_API_URL,
  INTERNAL_AUTH_VERSION,
  PACKAGE_VERSION
} from '../util/constants';
import { generateAuthToken } from './generate-auth-token';
 
const FID = 'defenders-of-the-faith';
 
describe('generateAuthToken', () => {
  let appConfig: AppConfig;
  let fetchSpy: SinonStub<[RequestInfo, RequestInit?], Promise<Response>>;
  let registeredInstallationEntry: RegisteredInstallationEntry;
 
  beforeEach(() => {
    appConfig = getFakeAppConfig();
 
    registeredInstallationEntry = {
      fid: FID,
      registrationStatus: RequestStatus.COMPLETED,
      refreshToken: 'refreshToken',
      authToken: {
        requestStatus: RequestStatus.NOT_STARTED
      }
    };
 
    const response: GenerateAuthTokenResponse = {
      token:
        'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCeKKF2QT4fwpMeJf36POk6yJV_adQssw5c',
      expiresIn: '604800s'
    };
 
    fetchSpy = stub(self, 'fetch').resolves(
      new Response(JSON.stringify(response))
    );
  });
 
  it('fetches a new Authentication Token', async () => {
    const completedAuthToken: CompletedAuthToken = await generateAuthToken(
      appConfig,
      registeredInstallationEntry
    );
    expect(completedAuthToken.requestStatus).to.equal(RequestStatus.COMPLETED);
  });
 
  it('calls the generateAuthToken server API with correct parameters', async () => {
    const expectedHeaders = new Headers({
      'Content-Type': 'application/json',
      Accept: 'application/json',
      Authorization: `${INTERNAL_AUTH_VERSION} refreshToken`,
      'x-goog-api-key': 'apiKey'
    });
    const expectedBody = {
      installation: {
        sdkVersion: PACKAGE_VERSION
      }
    };
    const expectedRequest: RequestInit = {
      method: 'POST',
      headers: expectedHeaders,
      body: JSON.stringify(expectedBody)
    };
    const expectedEndpoint = `${INSTALLATIONS_API_URL}/projects/projectId/installations/${FID}/authTokens:generate`;
 
    await generateAuthToken(appConfig, registeredInstallationEntry);
 
    expect(fetchSpy).to.be.calledOnceWith(expectedEndpoint, expectedRequest);
    const actualHeaders = fetchSpy.lastCall.lastArg.headers;
    compareHeaders(expectedHeaders, actualHeaders);
  });
});