'use strict';



















var _jestMatcherUtils = require('jest-matcher-utils');var utils = _interopRequireWildcard(_jestMatcherUtils);
var _matchers = require('./matchers');var _matchers2 = _interopRequireDefault(_matchers);
var _spy_matchers = require('./spy_matchers');var _spy_matchers2 = _interopRequireDefault(_spy_matchers);
var _to_throw_matchers = require('./to_throw_matchers');var _to_throw_matchers2 = _interopRequireDefault(_to_throw_matchers);


var _jasmine_utils = require('./jasmine_utils');
var _asymmetric_matchers = require('./asymmetric_matchers');







var _jest_matchers_object = require('./jest_matchers_object');






var _extract_expected_assertions_errors = require('./extract_expected_assertions_errors');var _extract_expected_assertions_errors2 = _interopRequireDefault(_extract_expected_assertions_errors);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}function _interopRequireWildcard(obj) {if (obj && obj.__esModule) {return obj;} else {var newObj = {};if (obj != null) {for (var key in obj) {if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];}}newObj.default = obj;return newObj;}}

class JestAssertionError extends Error {} /**
                                           * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
                                           *
                                           * This source code is licensed under the MIT license found in the
                                           * LICENSE file in the root directory of this source tree.
                                           *
                                           * 
                                           */const isPromise = obj => {return !!obj && (typeof obj === 'object' || typeof obj === 'function') &&
  typeof obj.then === 'function';

};

const createToThrowErrorMatchingSnapshotMatcher = function (matcher) {
  return function (received, testName) {
    return matcher.apply(this, [received, testName, true]);
  };
};

const getPromiseMatcher = (name, matcher) => {
  if (name === 'toThrow' || name === 'toThrowError') {
    return (0, _to_throw_matchers.createMatcher)('.' + name, true);
  } else if (name === 'toThrowErrorMatchingSnapshot') {
    return createToThrowErrorMatchingSnapshotMatcher(matcher);
  }

  return null;
};

const expect = function (actual) {
  if ((arguments.length <= 1 ? 0 : arguments.length - 1) !== 0) {
    throw new Error('Expect takes at most one argument.');
  }

  const allMatchers = (0, _jest_matchers_object.getMatchers)();
  const expectation = {
    not: {},
    rejects: { not: {} },
    resolves: { not: {} } };


  Object.keys(allMatchers).forEach(name => {
    const matcher = allMatchers[name];
    const promiseMatcher = getPromiseMatcher(name, matcher) || matcher;
    expectation[name] = makeThrowingMatcher(matcher, false, actual);
    expectation.not[name] = makeThrowingMatcher(matcher, true, actual);

    expectation.resolves[name] = makeResolveMatcher(
    name,
    promiseMatcher,
    false,
    actual);

    expectation.resolves.not[name] = makeResolveMatcher(
    name,
    promiseMatcher,
    true,
    actual);


    expectation.rejects[name] = makeRejectMatcher(
    name,
    promiseMatcher,
    false,
    actual);

    expectation.rejects.not[name] = makeRejectMatcher(
    name,
    matcher,
    true,
    actual);

  });

  return expectation;
};

const getMessage = message => {
  return (
    message && message() ||
    utils.RECEIVED_COLOR('No message was specified for this matcher.'));

};

const makeResolveMatcher = (
matcherName,
matcher,
isNot,
actual) =>
function () {for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {args[_key] = arguments[_key];}
  const matcherStatement = `.resolves.${isNot ? 'not.' : ''}${matcherName}`;
  if (!isPromise(actual)) {
    throw new JestAssertionError(
    utils.matcherHint(matcherStatement, 'received', '') +
    '\n\n' +
    `${utils.RECEIVED_COLOR('received')} value must be a Promise.\n` +
    utils.printWithType('Received', actual, utils.printReceived));

  }

  return actual.then(
  result => makeThrowingMatcher(matcher, isNot, result).apply(null, args),
  reason => {
    const err = new JestAssertionError(
    utils.matcherHint(matcherStatement, 'received', '') +
    '\n\n' +
    `Expected ${utils.RECEIVED_COLOR('received')} Promise to resolve, ` +
    'instead it rejected to value\n' +
    `  ${utils.printReceived(reason)}`);

    return Promise.reject(err);
  });

};

const makeRejectMatcher = (
matcherName,
matcher,
isNot,
actual) =>
function () {for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {args[_key2] = arguments[_key2];}
  const matcherStatement = `.rejects.${isNot ? 'not.' : ''}${matcherName}`;
  if (!isPromise(actual)) {
    throw new JestAssertionError(
    utils.matcherHint(matcherStatement, 'received', '') +
    '\n\n' +
    `${utils.RECEIVED_COLOR('received')} value must be a Promise.\n` +
    utils.printWithType('Received', actual, utils.printReceived));

  }

  return actual.then(
  result => {
    const err = new JestAssertionError(
    utils.matcherHint(matcherStatement, 'received', '') +
    '\n\n' +
    `Expected ${utils.RECEIVED_COLOR('received')} Promise to reject, ` +
    'instead it resolved to value\n' +
    `  ${utils.printReceived(result)}`);

    return Promise.reject(err);
  },
  reason => makeThrowingMatcher(matcher, isNot, reason).apply(null, args));

};

const makeThrowingMatcher = (
matcher,
isNot,
actual) =>
{
  return function throwingMatcher() {
    let throws = true;
    const matcherContext = Object.assign(
    // When throws is disabled, the matcher will not throw errors during test
    // execution but instead add them to the global matcher state. If a
    // matcher throws, test execution is normally stopped immediately. The
    // snapshot matcher uses it because we want to log all snapshot
    // failures in a test.
    { dontThrow: () => throws = false },
    (0, _jest_matchers_object.getState)(),
    {
      equals: _jasmine_utils.equals,
      isNot,
      utils });


    let result;

    try {for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {args[_key3] = arguments[_key3];}
      result = matcher.apply(matcherContext, [actual].concat(args));
    } catch (error) {
      if (
      matcher[_jest_matchers_object.INTERNAL_MATCHER_FLAG] === true &&
      !(error instanceof JestAssertionError) &&
      error.name !== 'PrettyFormatPluginError' &&
      // Guard for some environments (browsers) that do not support this feature.
      Error.captureStackTrace)
      {
        // Try to remove this and deeper functions from the stack trace frame.
        Error.captureStackTrace(error, throwingMatcher);
      }
      throw error;
    }

    _validateResult(result);

    (0, _jest_matchers_object.getState)().assertionCalls++;

    if (result.pass && isNot || !result.pass && !isNot) {
      // XOR
      const message = getMessage(result.message);
      const error = new JestAssertionError(message);
      // Passing the result of the matcher with the error so that a custom
      // reporter could access the actual and expected objects of the result
      // for example in order to display a custom visual diff
      error.matcherResult = result;
      // Try to remove this function from the stack trace frame.
      // Guard for some environments (browsers) that do not support this feature.
      if (Error.captureStackTrace) {
        Error.captureStackTrace(error, throwingMatcher);
      }

      if (throws) {
        throw error;
      } else {
        (0, _jest_matchers_object.getState)().suppressedErrors.push(error);
      }
    }
  };
};

expect.extend = matchers =>
(0, _jest_matchers_object.setMatchers)(matchers, false);

expect.anything = _asymmetric_matchers.anything;
expect.any = _asymmetric_matchers.any;
expect.objectContaining = _asymmetric_matchers.objectContaining;
expect.arrayContaining = _asymmetric_matchers.arrayContaining;
expect.stringContaining = _asymmetric_matchers.stringContaining;
expect.stringMatching = _asymmetric_matchers.stringMatching;

const _validateResult = result => {
  if (
  typeof result !== 'object' ||
  typeof result.pass !== 'boolean' ||
  result.message &&
  typeof result.message !== 'string' &&
  typeof result.message !== 'function')
  {
    throw new Error(
    'Unexpected return from a matcher function.\n' +
    'Matcher functions should ' +
    'return an object in the following format:\n' +
    '  {message?: string | function, pass: boolean}\n' +
    `'${utils.stringify(result)}' was returned`);

  }
};

// add default jest matchers
(0, _jest_matchers_object.setMatchers)(_matchers2.default, true);
(0, _jest_matchers_object.setMatchers)(_spy_matchers2.default, true);
(0, _jest_matchers_object.setMatchers)(_to_throw_matchers2.default, true);

expect.addSnapshotSerializer = () => void 0;
expect.assertions = expected => {
  (0, _jest_matchers_object.getState)().expectedAssertionsNumber = expected;
};
expect.hasAssertions = expected => {
  utils.ensureNoExpected(expected, '.hasAssertions');
  (0, _jest_matchers_object.getState)().isExpectingAssertions = true;
};
expect.getState = _jest_matchers_object.getState;
expect.setState = _jest_matchers_object.setState;
expect.extractExpectedAssertionsErrors = _extract_expected_assertions_errors2.default;

module.exports = expect;