ReactDOMTextarea-test.js — react Source File

Source Code

/**
 * Copyright (c) Meta Platforms, Inc. and 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
 */

'use strict';

function emptyFunction() {}

describe('ReactDOMTextarea', () => {
  let React;
  let ReactDOMClient;
  let ReactDOMServer;
  let act;
  let assertConsoleErrorDev;

  let renderTextarea;

  const ReactFeatureFlags = require('shared/ReactFeatureFlags');

  beforeEach(() => {
    jest.resetModules();

    React = require('react');
    ReactDOMClient = require('react-dom/client');
    ReactDOMServer = require('react-dom/server');
    act = require('internal-test-utils').act;
    assertConsoleErrorDev =
      require('internal-test-utils').assertConsoleErrorDev;

    renderTextarea = async function (component, container, root) {
      await act(() => {
        root.render(component);
      });

      const node = container.firstChild;

      // Fixing jsdom's quirky behavior -- in reality, the parser should strip
      // off the leading newline but we need to do it by hand here.
      node.defaultValue = node.innerHTML.replace(/^\n/, '');
      return node;
    };
  });

  afterEach(() => {
    jest.restoreAllMocks();
  });

  it('should allow setting `defaultValue`', async () => {
    const container = document.createElement('div');
    const root = ReactDOMClient.createRoot(container);
    const node = await renderTextarea(
      <textarea defaultValue="giraffe" />,
      container,
      root,
    );
// ... (1075 more lines)