text: // Copyright 2020 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
  //
  //      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.
  
  'use strict';
  
  const {assert} = require('chai');
  const {describe, after, it} = require('mocha');
  const {execSync} = require('child_process');
  const uuid = require('uuid').v4;
  const dialogflow = require('@google-cloud/dialogflow').v2beta1;
  
  const cmd = 'node detect.v2beta1.js createKnowledgeBase';
  const testKnowledgeBaseName = `${uuid().split('-')[0]}-TestKnowledgeBase`;
  
  const exec = cmd => execSync(cmd, {encoding: 'utf8'});
  
  describe('create a knowledge base', () => {
    const client = new dialogflow.KnowledgeBasesClient();
    let knowledgeBaseName;
  
    it('should create a knowledge base', () => {
      const output = exec(`${cmd} -k ${testKnowledgeBaseName}`);
      assert.include(output, `displayName: ${testKnowledgeBaseName}`);
  
      knowledgeBaseName = output.split('\n')[0].split(':')[1].trim();
    });
  
    after('delete created knowledge base', async () => {
      await client.deleteKnowledgeBase({
        name: knowledgeBaseName,
      });
    });
  });
  