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.
156 lines
4.5 KiB
156 lines
4.5 KiB
'use strict'; |
|
|
|
Object.defineProperty(exports, '__esModule', { |
|
value: true |
|
}); |
|
exports.default = void 0; |
|
|
|
var _chalk = _interopRequireDefault(require('chalk')); |
|
|
|
var _jestMatcherUtils = require('jest-matcher-utils'); |
|
|
|
function _interopRequireDefault(obj) { |
|
return obj && obj.__esModule ? obj : {default: obj}; |
|
} |
|
|
|
/** |
|
* Copyright (c) Facebook, Inc. and its affiliates. 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 assertOperatorsMap = { |
|
'!=': 'notEqual', |
|
'!==': 'notStrictEqual', |
|
'==': 'equal', |
|
'===': 'strictEqual' |
|
}; |
|
const humanReadableOperators = { |
|
deepEqual: 'to deeply equal', |
|
deepStrictEqual: 'to deeply and strictly equal', |
|
equal: 'to be equal', |
|
notDeepEqual: 'not to deeply equal', |
|
notDeepStrictEqual: 'not to deeply and strictly equal', |
|
notEqual: 'to not be equal', |
|
notStrictEqual: 'not be strictly equal', |
|
strictEqual: 'to strictly be equal' |
|
}; |
|
|
|
const getOperatorName = (operator, stack) => { |
|
if (typeof operator === 'string') { |
|
return assertOperatorsMap[operator] || operator; |
|
} |
|
|
|
if (stack.match('.doesNotThrow')) { |
|
return 'doesNotThrow'; |
|
} |
|
|
|
if (stack.match('.throws')) { |
|
return 'throws'; |
|
} // this fallback is only needed for versions older than node 10 |
|
|
|
if (stack.match('.fail')) { |
|
return 'fail'; |
|
} |
|
|
|
return ''; |
|
}; |
|
|
|
const operatorMessage = operator => { |
|
const niceOperatorName = getOperatorName(operator, ''); |
|
const humanReadableOperator = humanReadableOperators[niceOperatorName]; |
|
return typeof operator === 'string' |
|
? `${humanReadableOperator || niceOperatorName} to:\n` |
|
: ''; |
|
}; |
|
|
|
const assertThrowingMatcherHint = operatorName => |
|
operatorName |
|
? _chalk.default.dim('assert') + |
|
_chalk.default.dim('.' + operatorName + '(') + |
|
_chalk.default.red('function') + |
|
_chalk.default.dim(')') |
|
: ''; |
|
|
|
const assertMatcherHint = (operator, operatorName, expected) => { |
|
let message = ''; |
|
|
|
if (operator === '==' && expected === true) { |
|
message = |
|
_chalk.default.dim('assert') + |
|
_chalk.default.dim('(') + |
|
_chalk.default.red('received') + |
|
_chalk.default.dim(')'); |
|
} else if (operatorName) { |
|
message = |
|
_chalk.default.dim('assert') + |
|
_chalk.default.dim('.' + operatorName + '(') + |
|
_chalk.default.red('received') + |
|
_chalk.default.dim(', ') + |
|
_chalk.default.green('expected') + |
|
_chalk.default.dim(')'); |
|
} |
|
|
|
return message; |
|
}; |
|
|
|
function assertionErrorMessage(error, options) { |
|
const {expected, actual, generatedMessage, message, operator, stack} = error; |
|
const diffString = (0, _jestMatcherUtils.diff)(expected, actual, options); |
|
const hasCustomMessage = !generatedMessage; |
|
const operatorName = getOperatorName(operator, stack); |
|
const trimmedStack = stack |
|
.replace(message, '') |
|
.replace(/AssertionError(.*)/g, ''); |
|
|
|
if (operatorName === 'doesNotThrow') { |
|
return ( |
|
buildHintString(assertThrowingMatcherHint(operatorName)) + |
|
_chalk.default.reset('Expected the function not to throw an error.\n') + |
|
_chalk.default.reset('Instead, it threw:\n') + |
|
` ${(0, _jestMatcherUtils.printReceived)(actual)}` + |
|
_chalk.default.reset( |
|
hasCustomMessage ? '\n\nMessage:\n ' + message : '' |
|
) + |
|
trimmedStack |
|
); |
|
} |
|
|
|
if (operatorName === 'throws') { |
|
return ( |
|
buildHintString(assertThrowingMatcherHint(operatorName)) + |
|
_chalk.default.reset('Expected the function to throw an error.\n') + |
|
_chalk.default.reset("But it didn't throw anything.") + |
|
_chalk.default.reset( |
|
hasCustomMessage ? '\n\nMessage:\n ' + message : '' |
|
) + |
|
trimmedStack |
|
); |
|
} |
|
|
|
if (operatorName === 'fail') { |
|
return ( |
|
buildHintString(assertMatcherHint(operator, operatorName, expected)) + |
|
_chalk.default.reset(hasCustomMessage ? 'Message:\n ' + message : '') + |
|
trimmedStack |
|
); |
|
} |
|
|
|
return ( |
|
buildHintString(assertMatcherHint(operator, operatorName, expected)) + |
|
_chalk.default.reset(`Expected value ${operatorMessage(operator)}`) + |
|
` ${(0, _jestMatcherUtils.printExpected)(expected)}\n` + |
|
_chalk.default.reset('Received:\n') + |
|
` ${(0, _jestMatcherUtils.printReceived)(actual)}` + |
|
_chalk.default.reset(hasCustomMessage ? '\n\nMessage:\n ' + message : '') + |
|
(diffString ? `\n\nDifference:\n\n${diffString}` : '') + |
|
trimmedStack |
|
); |
|
} |
|
|
|
function buildHintString(hint) { |
|
return hint ? hint + '\n\n' : ''; |
|
} |
|
|
|
var _default = assertionErrorMessage; |
|
exports.default = _default;
|
|
|