setup-python/node_modules/jest-circus/build/formatNodeAssertErrors.js
Danny McCormick 39c08a0eaa Initial pass
2019-06-26 21:12:00 -04:00

223 lines
5.8 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
var _jestMatcherUtils = require('jest-matcher-utils');
var _chalk = _interopRequireDefault(require('chalk'));
var _prettyFormat = _interopRequireDefault(require('pretty-format'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
function _slicedToArray(arr, i) {
return (
_arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest()
);
}
function _nonIterableRest() {
throw new TypeError('Invalid attempt to destructure non-iterable instance');
}
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (
var _i = arr[Symbol.iterator](), _s;
!(_n = (_s = _i.next()).done);
_n = true
) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i['return'] != null) _i['return']();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
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 formatNodeAssertErrors = (event, state) => {
switch (event.name) {
case 'test_done': {
event.test.errors = event.test.errors.map(errors => {
let error;
if (Array.isArray(errors)) {
const _errors = _slicedToArray(errors, 2),
originalError = _errors[0],
asyncError = _errors[1];
if (originalError == null) {
error = asyncError;
} else if (!originalError.stack) {
error = asyncError;
error.message = originalError.message
? originalError.message
: `thrown: ${(0, _prettyFormat.default)(originalError, {
maxDepth: 3
})}`;
} else {
error = originalError;
}
} else {
error = errors;
}
return error.code === 'ERR_ASSERTION'
? {
message: assertionErrorMessage(error, {
expand: state.expand
})
}
: errors;
});
}
}
};
const getOperatorName = (operator, stack) => {
if (typeof operator === 'string') {
return assertOperatorsMap[operator] || operator;
}
if (stack.match('.doesNotThrow')) {
return 'doesNotThrow';
}
if (stack.match('.throws')) {
return 'throws';
}
return '';
};
const operatorMessage = operator => {
const niceOperatorName = getOperatorName(operator, '');
const humanReadableOperator = humanReadableOperators[niceOperatorName];
return typeof operator === 'string'
? `${humanReadableOperator || niceOperatorName} to:\n`
: '';
};
const assertThrowingMatcherHint = operatorName =>
_chalk.default.dim('assert') +
_chalk.default.dim('.' + operatorName + '(') +
_chalk.default.red('function') +
_chalk.default.dim(')');
const assertMatcherHint = (operator, operatorName) => {
let message =
_chalk.default.dim('assert') +
_chalk.default.dim('.' + operatorName + '(') +
_chalk.default.red('received') +
_chalk.default.dim(', ') +
_chalk.default.green('expected') +
_chalk.default.dim(')');
if (operator === '==') {
message +=
' or ' +
_chalk.default.dim('assert') +
_chalk.default.dim('(') +
_chalk.default.red('received') +
_chalk.default.dim(') ');
}
return message;
};
function assertionErrorMessage(error, options) {
const expected = error.expected,
actual = error.actual,
generatedMessage = error.generatedMessage,
message = error.message,
operator = error.operator,
stack = error.stack;
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 (
assertThrowingMatcherHint(operatorName) +
'\n\n' +
_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 (
assertThrowingMatcherHint(operatorName) +
'\n\n' +
_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
);
}
return (
assertMatcherHint(operator, operatorName) +
'\n\n' +
_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
);
}
var _default = formatNodeAssertErrors;
exports.default = _default;