data-provider-temporary/examples/message/node_modules/jest-matchers/build/toThrowMatchers.js

Library that helps with server-to-client synchronization of data

'use strict';var _require =











require('jest-regex-util');const escapeStrForRegex = _require.escapeStrForRegex; /**
                                                                                  * Copyright (c) 2014, Facebook, Inc. All rights reserved.
                                                                                  *
                                                                                  * This source code is licensed under the BSD-style license found in the
                                                                                  * LICENSE file in the root directory of this source tree. An additional grant
                                                                                  * of patent rights can be found in the PATENTS file in the same directory.
                                                                                  *
                                                                                  * 
                                                                                  */var _require2 = require('jest-message-util');const formatStackTrace = _require2.formatStackTrace,separateMessageFromStack = _require2.separateMessageFromStack;var _require3 =




require('jest-matcher-utils');const RECEIVED_BG = _require3.RECEIVED_BG,RECEIVED_COLOR = _require3.RECEIVED_COLOR,getType = _require3.getType,highlightTrailingWhitespace = _require3.highlightTrailingWhitespace,matcherHint = _require3.matcherHint,printExpected = _require3.printExpected,printWithType = _require3.printWithType;var _require4 =
require('./jasmine-utils');const equals = _require4.equals;

const createMatcher = matcherName => (
actual,
expected) =>
{
  const value = expected;
  let error;

  if (typeof actual !== 'function') {
    throw new Error(
    matcherHint(matcherName, 'function', getType(value)) +
    '\n\n' +
    'Received value must be a function, but instead ' +
    `"${getType(actual)}" was found`);

  }

  try {
    actual();
  } catch (e) {
    error = e;
  }

  if (typeof expected === 'string') {
    expected = new RegExp(escapeStrForRegex(expected));
  }

  if (typeof expected === 'function') {
    return toThrowMatchingError(matcherName, error, expected);
  } else if (expected instanceof RegExp) {
    return toThrowMatchingStringOrRegexp(matcherName, error, expected, value);
  } else if (expected && typeof expected === 'object') {
    return toThrowMatchingErrorInstance(matcherName, error, expected);
  } else if (expected === undefined) {
    const pass = error !== undefined;
    return {
      message: pass ?
      () =>
      matcherHint('.not' + matcherName, 'function', '') +
      '\n\n' +
      'Expected the function not to throw an error.\n' +
      printActualErrorMessage(error) :
      () =>
      matcherHint(matcherName, 'function', getType(value)) +
      '\n\n' +
      'Expected the function to throw an error.\n' +
      printActualErrorMessage(error),
      pass };

  } else {
    throw new Error(
    matcherHint('.not' + matcherName, 'function', getType(value)) +
    '\n\n' +
    'Unexpected argument passed.\nExpected: ' +
    `${printExpected('string')}, ${printExpected('Error (type)')} or ${printExpected('regexp')}.\n` +
    printWithType('Got', String(expected), printExpected));

  }
};

const matchers = {
  toThrow: createMatcher('.toThrow'),
  toThrowError: createMatcher('.toThrowError') };


const toThrowMatchingStringOrRegexp = (
name,
error,
pattern,
value) =>
{
  if (error && !error.message && !error.name) {
    error = new Error(error);
  }

  const pass = !!(error && error.message.match(pattern));
  const message = pass ?
  () =>
  matcherHint('.not' + name, 'function', getType(value)) +
  '\n\n' +
  `Expected the function not to throw an error matching:\n` +
  `  ${printExpected(value)}\n` +
  printActualErrorMessage(error) :
  () =>
  matcherHint(name, 'function', getType(value)) +
  '\n\n' +
  `Expected the function to throw an error matching:\n` +
  `  ${printExpected(value)}\n` +
  printActualErrorMessage(error);

  return { message, pass };
};

const toThrowMatchingErrorInstance = (
name,
error,
expectedError) =>
{
  if (error && !error.message && !error.name) {
    error = new Error(error);
  }

  const pass = equals(error, expectedError);
  const message = pass ?
  () =>
  matcherHint('.not' + name, 'function', 'error') +
  '\n\n' +
  `Expected the function not to throw an error matching:\n` +
  `  ${printExpected(expectedError)}\n` +
  printActualErrorMessage(error) :
  () =>
  matcherHint(name, 'function', 'error') +
  '\n\n' +
  `Expected the function to throw an error matching:\n` +
  `  ${printExpected(expectedError)}\n` +
  printActualErrorMessage(error);

  return { message, pass };
};

const toThrowMatchingError = (
name,
error,
ErrorClass) =>
{
  const pass = !!(error && error instanceof ErrorClass);
  const message = pass ?
  () =>
  matcherHint('.not' + name, 'function', 'type') +
  '\n\n' +
  `Expected the function not to throw an error of type:\n` +
  `  ${printExpected(ErrorClass.name)}\n` +
  printActualErrorMessage(error) :
  () =>
  matcherHint(name, 'function', 'type') +
  '\n\n' +
  `Expected the function to throw an error of type:\n` +
  `  ${printExpected(ErrorClass.name)}\n` +
  printActualErrorMessage(error);

  return { message, pass };
};

const printActualErrorMessage = error => {
  if (error) {var _separateMessageFromS =
    separateMessageFromStack(error.stack);const message = _separateMessageFromS.message,stack = _separateMessageFromS.stack;
    return (
      `Instead, it threw:\n` +
      RECEIVED_COLOR(
      '  ' +
      highlightTrailingWhitespace(message, RECEIVED_BG) +
      formatStackTrace(
      stack,
      {
        rootDir: process.cwd(),
        testMatch: [] },

      {
        noStackTrace: false })));




  }

  return `But it didn't throw anything.`;
};

module.exports = matchers;