text: // Copyright 2019 Google LLC
  //
  // 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
  //
  //     https://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.
  
  const assert = require('assert');
  const got = require('got');
  
  const request = (method, route, base_url) => {
    const {ID_TOKEN} = process.env;
    if (!ID_TOKEN) {
      throw Error('"ID_TOKEN" environment variable is required.');
    }
  
    return got(new URL(route, base_url.trim()), {
      headers: {
        Authorization: `Bearer ${ID_TOKEN.trim()}`,
      },
      method: method || 'get',
      throwHttpErrors: false,
    });
  };
  
  describe('End-to-End Tests', () => {
    const {BASE_URL} = process.env;
    if (!BASE_URL) {
      throw Error(
        '"BASE_URL" environment variable is required. For example: https://service-x8xabcdefg-uc.a.run.app'
      );
    }
  
    it('post(/diagram.png) without request parameters is a bad request', async () => {
      const response = await request('get', '/diagram.png', BASE_URL);
      assert.strictEqual(
        response.statusCode,
        400,
        'Bad Requests status not found'
      );
    });
  });
  