text: /******************************************************************************
       Copyright:: 2020- IBM, 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.
    *****************************************************************************/
  
   'use strict';
  
  // Do this as the first thing so that any code reading it knows the right env.
  process.env.BABEL_ENV = 'test';
  process.env.NODE_ENV = 'test';
  process.env.PUBLIC_URL = '';
  
  // Makes the script crash on unhandled rejections instead of silently
  // ignoring them. In the future, promise rejections that are not handled will
  // terminate the Node.js process with a non-zero exit code.
  process.on('unhandledRejection', err => {
    throw err;
  });
  
  // Ensure environment variables are read.
  require('../config/env');
  
  
  const jest = require('jest');
  const execSync = require('child_process').execSync;
  let argv = process.argv.slice(2);
  
  function isInGitRepository() {
    try {
      execSync('git rev-parse --is-inside-work-tree', { stdio: 'ignore' });
      return true;
    } catch (e) {
      return false;
    }
  }
  
  function isInMercurialRepository() {
    try {
      execSync('hg --cwd . root', { stdio: 'ignore' });
      return true;
    } catch (e) {
      return false;
    }
  }
  
  // Watch unless on CI or explicitly running all tests
  if (
    !process.env.CI &&
    argv.indexOf('--watchAll') === -1 &&
    argv.indexOf('--watchAll=false') === -1
  ) {
    // https://github.com/facebook/create-react-app/issues/5210
    const hasSourceControl = isInGitRepository() || isInMercurialRepository();
    argv.push(hasSourceControl ? '--watch' : '--watchAll');
  }
  
  
  jest.run(argv);
  