text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   * @emails react-core
   * @jest-environment node
   */
  
  'use strict';
  
  let Stream;
  let React;
  let ReactDOMFizzServer;
  
  describe('ReactDOMFizzServer', () => {
    beforeEach(() => {
      jest.resetModules();
      React = require('react');
      if (__EXPERIMENTAL__) {
        ReactDOMFizzServer = require('react-dom/unstable-fizz');
      }
      Stream = require('stream');
    });
  
    function getTestWritable() {
      const writable = new Stream.PassThrough();
      writable.setEncoding('utf8');
      writable.result = '';
      writable.on('data', chunk => (writable.result += chunk));
      return writable;
    }
  
    // @gate experimental
    it('should call pipeToNodeWritable', () => {
      const writable = getTestWritable();
      ReactDOMFizzServer.pipeToNodeWritable(<div>hello world</div>, writable);
      jest.runAllTimers();
      expect(writable.result).toBe('<div>hello world</div>');
    });
  });
  