text: 'use strict';
  
  const os = require('os');
  const fs = require('fs');
  const path = require('path');
  const childProcess = require('child_process');
  
  const { describe, it } = require('mocha');
  
  function exec(command, options = {}) {
    const result = childProcess.execSync(command, {
      encoding: 'utf-8',
      ...options,
    });
    return result != null ? result.trimEnd() : result;
  }
  
  describe('Integration Tests', () => {
    const tmpDir = path.join(os.tmpdir(), 'graphql-js-integrationTmp');
    fs.rmSync(tmpDir, { recursive: true, force: true });
    fs.mkdirSync(tmpDir);
  
    const distDir = path.resolve('./npmDist');
    const archiveName = exec(`npm --quiet pack ${distDir}`, { cwd: tmpDir });
    fs.renameSync(
      path.join(tmpDir, archiveName),
      path.join(tmpDir, 'graphql.tgz'),
    );
  
    function testOnNodeProject(projectName) {
      exec(`cp -R ${path.join(__dirname, projectName)} ${tmpDir}`);
  
      const cwd = path.join(tmpDir, projectName);
      exec('npm --quiet install', { cwd, stdio: 'inherit' });
      exec('npm --quiet test', { cwd, stdio: 'inherit' });
    }
  
    it('Should compile with all supported TS versions', () => {
      testOnNodeProject('ts');
    }).timeout(40000);
  
    it('Should compile with Flow', () => {
      testOnNodeProject('flow');
    }).timeout(10000);
  
    it('Should work on all supported node versions', () => {
      testOnNodeProject('node');
    }).timeout(40000);
  });
  