290 lines
11 KiB
JavaScript
290 lines
11 KiB
JavaScript
'use strict';var _assign = require('babel-runtime/core-js/object/assign');var _assign2 = _interopRequireDefault(_assign);var _regenerator = require('babel-runtime/regenerator');var _regenerator2 = _interopRequireDefault(_regenerator);var _asyncToGenerator2 = require('babel-runtime/helpers/asyncToGenerator');var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);var _keys = require('babel-runtime/core-js/object/keys');var _keys2 = _interopRequireDefault(_keys);var _create = require('babel-runtime/core-js/object/create');var _create2 = _interopRequireDefault(_create);var _defineProperty = require('babel-runtime/core-js/object/define-property');var _defineProperty2 = _interopRequireDefault(_defineProperty);var _typeof2 = require('babel-runtime/helpers/typeof');var _typeof3 = _interopRequireDefault(_typeof2);var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);var _inherits2 = require('babel-runtime/helpers/inherits');var _inherits3 = _interopRequireDefault(_inherits2);var _for = require('babel-runtime/core-js/symbol/for');var _for2 = _interopRequireDefault(_for);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
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var utils = require('jest-matcher-utils'); /**
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* Copyright (c) 2014, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*
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*/var matchers = require('./matchers');var spyMatchers = require('./spyMatchers');var toThrowMatchers = require('./toThrowMatchers');var _require = require('./jasmine-utils'),equals = _require.equals;var _require2 =
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require('./asymmetric-matchers'),any = _require2.any,anything = _require2.anything,arrayContaining = _require2.arrayContaining,objectContaining = _require2.objectContaining,stringContaining = _require2.stringContaining,stringMatching = _require2.stringMatching;
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var GLOBAL_STATE = (0, _for2.default)('$$jest-matchers-object');var
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JestAssertionError = function (_Error) {(0, _inherits3.default)(JestAssertionError, _Error);function JestAssertionError() {(0, _classCallCheck3.default)(this, JestAssertionError);return (0, _possibleConstructorReturn3.default)(this, (JestAssertionError.__proto__ || (0, _getPrototypeOf2.default)(JestAssertionError)).apply(this, arguments));}return JestAssertionError;}(Error);
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var isPromise = function isPromise(obj) {
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return (
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!!obj && (
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(typeof obj === 'undefined' ? 'undefined' : (0, _typeof3.default)(obj)) === 'object' || typeof obj === 'function') &&
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typeof obj.then === 'function');
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};
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if (!global[GLOBAL_STATE]) {
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(0, _defineProperty2.default)(global, GLOBAL_STATE, {
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value: {
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matchers: (0, _create2.default)(null),
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state: {
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assertionCalls: 0,
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expectedAssertionsNumber: null,
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isExpectingAssertions: false,
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suppressedErrors: [] } } });
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}
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var expect = function expect(actual) {
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var allMatchers = global[GLOBAL_STATE].matchers;
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var expectation = {
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not: {},
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rejects: { not: {} },
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resolves: { not: {} } };
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(0, _keys2.default)(allMatchers).forEach(function (name) {
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expectation[name] = makeThrowingMatcher(allMatchers[name], false, actual);
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expectation.not[name] = makeThrowingMatcher(
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allMatchers[name],
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true,
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actual);
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expectation.resolves[name] = makeResolveMatcher(
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name,
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allMatchers[name],
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false,
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actual);
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expectation.resolves.not[name] = makeResolveMatcher(
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name,
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allMatchers[name],
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true,
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actual);
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expectation.rejects[name] = makeRejectMatcher(
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name,
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allMatchers[name],
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false,
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actual);
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expectation.rejects.not[name] = makeRejectMatcher(
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name,
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allMatchers[name],
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true,
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actual);
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});
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return expectation;
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};
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var getMessage = function getMessage(message) {
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// for performance reasons some of the messages are evaluated
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// lazily
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if (typeof message === 'function') {
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message = message();
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}
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if (!message) {
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message = utils.RECEIVED_COLOR(
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'No message was specified for this matcher.');
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}
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return message;
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};
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var makeResolveMatcher = function makeResolveMatcher(
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matcherName,
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matcher,
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isNot,
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actual) {return (0, _asyncToGenerator3.default)(_regenerator2.default.mark(
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function _callee() {for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {args[_key] = arguments[_key];}var matcherStatement, result;return _regenerator2.default.wrap(function _callee$(_context) {while (1) {switch (_context.prev = _context.next) {case 0:
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matcherStatement = '.resolves.' + (isNot ? 'not.' : '') + matcherName;if (
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isPromise(actual)) {_context.next = 3;break;}throw (
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new JestAssertionError(
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utils.matcherHint(matcherStatement, 'received', '') +
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'\n\n' + (
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utils.RECEIVED_COLOR('received') + ' value must be a Promise.\n') +
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utils.printWithType('Received', actual, utils.printReceived)));case 3:
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result = void 0;_context.prev = 4;_context.next = 7;return (
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actual);case 7:result = _context.sent;_context.next = 13;break;case 10:_context.prev = 10;_context.t0 = _context['catch'](4);throw (
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new JestAssertionError(
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utils.matcherHint(matcherStatement, 'received', '') +
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'\n\n' + ('Expected ' +
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utils.RECEIVED_COLOR('received') + ' Promise to resolve, ') +
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'instead it rejected to value\n' + (' ' +
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utils.printReceived(_context.t0))));case 13:return _context.abrupt('return',
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makeThrowingMatcher(matcher, isNot, result).apply(null, args));case 14:case 'end':return _context.stop();}}}, _callee, undefined, [[4, 10]]);}));};
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var makeRejectMatcher = function makeRejectMatcher(
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matcherName,
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matcher,
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isNot,
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actual) {return (0, _asyncToGenerator3.default)(_regenerator2.default.mark(
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function _callee2() {for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {args[_key2] = arguments[_key2];}var matcherStatement, result;return _regenerator2.default.wrap(function _callee2$(_context2) {while (1) {switch (_context2.prev = _context2.next) {case 0:
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matcherStatement = '.rejects.' + (isNot ? 'not.' : '') + matcherName;if (
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isPromise(actual)) {_context2.next = 3;break;}throw (
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new JestAssertionError(
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utils.matcherHint(matcherStatement, 'received', '') +
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'\n\n' + (
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utils.RECEIVED_COLOR('received') + ' value must be a Promise.\n') +
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utils.printWithType('Received', actual, utils.printReceived)));case 3:
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result = void 0;_context2.prev = 4;_context2.next = 7;return (
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actual);case 7:result = _context2.sent;_context2.next = 13;break;case 10:_context2.prev = 10;_context2.t0 = _context2['catch'](4);return _context2.abrupt('return',
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makeThrowingMatcher(matcher, isNot, _context2.t0).apply(null, args));case 13:throw (
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new JestAssertionError(
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utils.matcherHint(matcherStatement, 'received', '') +
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'\n\n' + ('Expected ' +
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utils.RECEIVED_COLOR('received') + ' Promise to reject, ') +
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'instead it resolved to value\n' + (' ' +
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utils.printReceived(result))));case 14:case 'end':return _context2.stop();}}}, _callee2, undefined, [[4, 10]]);}));};
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var makeThrowingMatcher = function makeThrowingMatcher(
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matcher,
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isNot,
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actual)
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{
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return function throwingMatcher() {
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var throws = true;
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var matcherContext = (0, _assign2.default)(
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// When throws is disabled, the matcher will not throw errors during test
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// execution but instead add them to the global matcher state. If a
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// matcher throws, test execution is normally stopped immediately. The
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// snapshot matcher uses it because we want to log all snapshot
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// failures in a test.
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{ dontThrow: function dontThrow() {return throws = false;} },
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global[GLOBAL_STATE].state,
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{
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equals: equals,
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isNot: isNot,
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utils: utils });
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var result = void 0;
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try {for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {args[_key3] = arguments[_key3];}
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result = matcher.apply(matcherContext, [actual].concat(args));
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} catch (error) {
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// Remove this and deeper functions from the stack trace frame.
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Error.captureStackTrace(error, throwingMatcher);
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throw error;
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}
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_validateResult(result);
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global[GLOBAL_STATE].state.assertionCalls++;
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if (result.pass && isNot || !result.pass && !isNot) {
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// XOR
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var message = getMessage(result.message);
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var error = new JestAssertionError(message);
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// Passing the result of the matcher with the error so that a custom
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// reporter could access the actual and expected objects of the result
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// for example in order to display a custom visual diff
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error.matcherResult = result;
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// Remove this function from the stack trace frame.
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Error.captureStackTrace(error, throwingMatcher);
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if (throws) {
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throw error;
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} else {
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global[GLOBAL_STATE].state.suppressedErrors.push(error);
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}
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}
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};
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};
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expect.extend = function (matchers) {
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(0, _assign2.default)(global[GLOBAL_STATE].matchers, matchers);
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};
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expect.anything = anything;
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expect.any = any;
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expect.objectContaining = objectContaining;
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expect.arrayContaining = arrayContaining;
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expect.stringContaining = stringContaining;
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expect.stringMatching = stringMatching;
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var _validateResult = function _validateResult(result) {
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if (
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(typeof result === 'undefined' ? 'undefined' : (0, _typeof3.default)(result)) !== 'object' ||
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typeof result.pass !== 'boolean' ||
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result.message &&
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typeof result.message !== 'string' &&
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typeof result.message !== 'function')
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{
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throw new Error(
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'Unexpected return from a matcher function.\n' +
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'Matcher functions should ' +
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'return an object in the following format:\n' +
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' {message?: string | function, pass: boolean}\n' + ('\'' +
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utils.stringify(result) + '\' was returned'));
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}
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};
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// add default jest matchers
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expect.extend(matchers);
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expect.extend(spyMatchers);
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expect.extend(toThrowMatchers);
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expect.addSnapshotSerializer = function () {return void 0;};
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expect.assertions = function (expected) {
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global[GLOBAL_STATE].state.expectedAssertionsNumber = expected;
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};
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expect.hasAssertions = function (expected) {
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utils.ensureNoExpected(expected, '.hasAssertions');
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global[GLOBAL_STATE].state.isExpectingAssertions = true;
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};
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expect.setState = function (state) {
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(0, _assign2.default)(global[GLOBAL_STATE].state, state);
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};
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expect.getState = function () {return global[GLOBAL_STATE].state;};
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module.exports = expect; |