setupTests.js — react Source File

Source Code

'use strict';

// This is mostly copypasta from toWarnDev.js matchers
// that we use in the main repo Jest configuration.

const expect = global.expect;

const {diff: jestDiff} = require('jest-diff');
const util = require('util');

function shouldIgnoreConsoleError(format, args) {
  if (process.env.NODE_ENV !== 'production') {
    if (typeof format === 'string') {
      if (format.indexOf('Error: Uncaught [') === 0) {
        // This looks like an uncaught error from invokeGuardedCallback() wrapper
        // in development that is reported by jsdom. Ignore because it's noisy.
        return true;
      }
      if (format.indexOf('The above error occurred') === 0) {
        // This looks like an error addendum from ReactFiberErrorLogger.
        // Ignore it too.
        return true;
      }
    }
  } else {
    if (
      format != null &&
      typeof format.message === 'string' &&
      typeof format.stack === 'string' &&
      args.length === 0
    ) {
      // In production, ReactFiberErrorLogger logs error objects directly.
      // They are noisy too so we'll try to ignore them.
      return true;
    }
  }
  // Looks legit
  return false;
}

function normalizeCodeLocInfo(str) {
  if (typeof str !== 'string') {
    return str;
  }
  // This special case exists only for the special source location in
  // ReactElementValidator. That will go away if we remove source locations.
  str = str.replace(/Check your code at .+?:\d+/g, 'Check your code at **');
  // V8 format:
  //  at Component (/path/filename.js:123:45)
  // React format:
  //    in Component (at filename.js:123)
  return str.replace(/\n +(?:at|in) ([\S]+)[^\n]*/g, function (m, name) {
    return '\n    in ' + name + ' (at **)';
  });
}

const createMatcherFor = (consoleMethod, matcherName) =>
  function matcher(callback, expectedMessages, options = {}) {
    if (process.env.NODE_ENV !== 'production') {
      // Warn about incorrect usage of matcher.
// ... (249 more lines)