You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
485 lines
14 KiB
485 lines
14 KiB
'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;
|
|
|