'use strict'; var global = (function () { if (typeof globalThis !== 'undefined') { return globalThis; } else if (typeof global !== 'undefined') { return global; } else if (typeof self !== 'undefined') { return self; } else if (typeof window !== 'undefined') { return window; } else { return Function('return this')(); } })(); var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol; var matcherUtils = _interopRequireWildcard(require('jest-matcher-utils')); var _asymmetricMatchers = require('./asymmetricMatchers'); var _extractExpectedAssertionsErrors = _interopRequireDefault( require('./extractExpectedAssertionsErrors') ); var _jasmineUtils = require('./jasmineUtils'); var _jestMatchersObject = require('./jestMatchersObject'); var _matchers = _interopRequireDefault(require('./matchers')); var _spyMatchers = _interopRequireDefault(require('./spyMatchers')); var _toThrowMatchers = _interopRequireWildcard(require('./toThrowMatchers')); var _utils = require('./utils'); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : {default: obj}; } function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== 'function') return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); } function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) { return {default: obj}; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } var global = (function () { if (typeof globalThis !== 'undefined') { return globalThis; } else if (typeof global !== 'undefined') { return global; } else if (typeof self !== 'undefined') { return self; } else if (typeof window !== 'undefined') { return window; } else { return Function('return this')(); } })(); var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol; var global = (function () { if (typeof globalThis !== 'undefined') { return globalThis; } else if (typeof global !== 'undefined') { return global; } else if (typeof self !== 'undefined') { return self; } else if (typeof window !== 'undefined') { return window; } else { return Function('return this')(); } })(); var Promise = global[Symbol.for('jest-native-promise')] || global.Promise; function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } class JestAssertionError extends Error { constructor(...args) { super(...args); _defineProperty(this, 'matcherResult', void 0); } } const isPromise = obj => !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function'; const createToThrowErrorMatchingSnapshotMatcher = function (matcher) { return function (received, testNameOrInlineSnapshot) { return matcher.apply(this, [received, testNameOrInlineSnapshot, true]); }; }; const getPromiseMatcher = (name, matcher) => { if (name === 'toThrow' || name === 'toThrowError') { return (0, _toThrowMatchers.createMatcher)(name, true); } else if ( name === 'toThrowErrorMatchingSnapshot' || name === 'toThrowErrorMatchingInlineSnapshot' ) { return createToThrowErrorMatchingSnapshotMatcher(matcher); } return null; }; const expect = (actual, ...rest) => { if (rest.length !== 0) { throw new Error('Expect takes at most one argument.'); } const allMatchers = (0, _jestMatchersObject.getMatchers)(); const expectation = { not: {}, rejects: { not: {} }, resolves: { not: {} } }; const err = new JestAssertionError(); 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, err ); expectation.resolves.not[name] = makeResolveMatcher( name, promiseMatcher, true, actual, err ); expectation.rejects[name] = makeRejectMatcher( name, promiseMatcher, false, actual, err ); expectation.rejects.not[name] = makeRejectMatcher( name, promiseMatcher, true, actual, err ); }); return expectation; }; const getMessage = message => (message && message()) || matcherUtils.RECEIVED_COLOR('No message was specified for this matcher.'); const makeResolveMatcher = (matcherName, matcher, isNot, actual, outerErr) => (...args) => { const options = { isNot, promise: 'resolves' }; if (!isPromise(actual)) { throw new JestAssertionError( matcherUtils.matcherErrorMessage( matcherUtils.matcherHint(matcherName, undefined, '', options), `${matcherUtils.RECEIVED_COLOR('received')} value must be a promise`, matcherUtils.printWithType( 'Received', actual, matcherUtils.printReceived ) ) ); } const innerErr = new JestAssertionError(); return actual.then( result => makeThrowingMatcher(matcher, isNot, 'resolves', result, innerErr).apply( null, args ), reason => { outerErr.message = matcherUtils.matcherHint(matcherName, undefined, '', options) + '\n\n' + 'Received promise rejected instead of resolved\n' + `Rejected to value: ${matcherUtils.printReceived(reason)}`; return Promise.reject(outerErr); } ); }; const makeRejectMatcher = (matcherName, matcher, isNot, actual, outerErr) => (...args) => { const options = { isNot, promise: 'rejects' }; const actualWrapper = typeof actual === 'function' ? actual() : actual; if (!isPromise(actualWrapper)) { throw new JestAssertionError( matcherUtils.matcherErrorMessage( matcherUtils.matcherHint(matcherName, undefined, '', options), `${matcherUtils.RECEIVED_COLOR( 'received' )} value must be a promise or a function returning a promise`, matcherUtils.printWithType( 'Received', actual, matcherUtils.printReceived ) ) ); } const innerErr = new JestAssertionError(); return actualWrapper.then( result => { outerErr.message = matcherUtils.matcherHint(matcherName, undefined, '', options) + '\n\n' + 'Received promise resolved instead of rejected\n' + `Resolved to value: ${matcherUtils.printReceived(result)}`; return Promise.reject(outerErr); }, reason => makeThrowingMatcher(matcher, isNot, 'rejects', reason, innerErr).apply( null, args ) ); }; const makeThrowingMatcher = (matcher, isNot, promise, actual, err) => function throwingMatcher(...args) { let throws = true; const utils = { ...matcherUtils, iterableEquality: _utils.iterableEquality, subsetEquality: _utils.subsetEquality }; const matcherContext = { // 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, _jestMatchersObject.getState)(), equals: _jasmineUtils.equals, error: err, isNot, promise, utils }; const processResult = (result, asyncError) => { _validateResult(result); (0, _jestMatchersObject.getState)().assertionCalls++; if ((result.pass && isNot) || (!result.pass && !isNot)) { // XOR const message = getMessage(result.message); let error; if (err) { error = err; error.message = message; } else if (asyncError) { error = asyncError; error.message = message; } else { error = new JestAssertionError(message); // 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); } } // 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, message}; if (throws) { throw error; } else { (0, _jestMatchersObject.getState)().suppressedErrors.push(error); } } }; const handleError = error => { if ( matcher[_jestMatchersObject.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; }; let potentialResult; try { potentialResult = matcher[_jestMatchersObject.INTERNAL_MATCHER_FLAG] === true ? matcher.call(matcherContext, actual, ...args) // It's a trap specifically for inline snapshot to capture this name : // in the stack trace, so that it can correctly get the custom matcher // function call. (function __EXTERNAL_MATCHER_TRAP__() { return matcher.call(matcherContext, actual, ...args); })(); if (isPromise(potentialResult)) { const asyncResult = potentialResult; const asyncError = new JestAssertionError(); if (Error.captureStackTrace) { Error.captureStackTrace(asyncError, throwingMatcher); } return asyncResult .then(aResult => processResult(aResult, asyncError)) .catch(handleError); } else { const syncResult = potentialResult; return processResult(syncResult); } } catch (error) { return handleError(error); } }; expect.extend = matchers => (0, _jestMatchersObject.setMatchers)(matchers, false, expect); expect.anything = _asymmetricMatchers.anything; expect.any = _asymmetricMatchers.any; expect.not = { arrayContaining: _asymmetricMatchers.arrayNotContaining, closeTo: _asymmetricMatchers.notCloseTo, objectContaining: _asymmetricMatchers.objectNotContaining, stringContaining: _asymmetricMatchers.stringNotContaining, stringMatching: _asymmetricMatchers.stringNotMatching }; expect.arrayContaining = _asymmetricMatchers.arrayContaining; expect.closeTo = _asymmetricMatchers.closeTo; expect.objectContaining = _asymmetricMatchers.objectContaining; expect.stringContaining = _asymmetricMatchers.stringContaining; expect.stringMatching = _asymmetricMatchers.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' + `'${matcherUtils.stringify(result)}' was returned` ); } }; function assertions(expected) { const error = new Error(); if (Error.captureStackTrace) { Error.captureStackTrace(error, assertions); } (0, _jestMatchersObject.setState)({ expectedAssertionsNumber: expected, expectedAssertionsNumberError: error }); } function hasAssertions(...args) { const error = new Error(); if (Error.captureStackTrace) { Error.captureStackTrace(error, hasAssertions); } matcherUtils.ensureNoExpected(args[0], '.hasAssertions'); (0, _jestMatchersObject.setState)({ isExpectingAssertions: true, isExpectingAssertionsError: error }); } // add default jest matchers (0, _jestMatchersObject.setMatchers)(_matchers.default, true, expect); (0, _jestMatchersObject.setMatchers)(_spyMatchers.default, true, expect); (0, _jestMatchersObject.setMatchers)(_toThrowMatchers.default, true, expect); expect.addSnapshotSerializer = () => void 0; expect.assertions = assertions; expect.hasAssertions = hasAssertions; expect.getState = _jestMatchersObject.getState; expect.setState = _jestMatchersObject.setState; expect.extractExpectedAssertionsErrors = _extractExpectedAssertionsErrors.default; const expectExport = expect; module.exports = expectExport;