setupTests.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.
 *
 * @flow
 */

import {CustomConsole} from '@jest/console';

import type {
  BackendBridge,
  FrontendBridge,
} from 'react-devtools-shared/src/bridge';

const {getTestFlags} = require('../../../../scripts/jest/TestFlags');

// Argument is serialized when passed from jest-cli script through to setupTests.
const compactConsole = process.env.compactConsole === 'true';
if (compactConsole) {
  const formatter = (type, message) => {
    switch (type) {
      case 'error':
        return '\x1b[31m' + message + '\x1b[0m';
      case 'warn':
        return '\x1b[33m' + message + '\x1b[0m';
      case 'log':
      default:
        return message;
    }
  };

  global.console = new CustomConsole(process.stdout, process.stderr, formatter);
}

const expectTestToFail = async (callback, error) => {
  if (callback.length > 0) {
    throw Error(
      'Gated test helpers do not support the `done` callback. Return a ' +
        'promise instead.',
    );
  }
  try {
    const maybePromise = callback();
    if (
      maybePromise !== undefined &&
      maybePromise !== null &&
      typeof maybePromise.then === 'function'
    ) {
      await maybePromise;
    }
  } catch (testError) {
    return;
  }
  throw error;
};

const gatedErrorMessage = 'Gated test was expected to fail, but it passed.';
global._test_gate = (gateFn, testName, callback) => {
// ... (239 more lines)