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

356 lines
11 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
Object.defineProperty(exports, 'DiffOptions', {
enumerable: true,
get: function get() {
return _jestDiff.DiffOptions;
}
});
exports.matcherHint = exports.matcherErrorMessage = exports.getLabelPrinter = exports.pluralize = exports.diff = exports.ensureExpectedIsNonNegativeInteger = exports.ensureNumbers = exports.ensureExpectedIsNumber = exports.ensureActualIsNumber = exports.ensureNoExpected = exports.printWithType = exports.printExpected = exports.printReceived = exports.highlightTrailingWhitespace = exports.stringify = exports.SUGGEST_TO_CONTAIN_EQUAL = exports.DIM_COLOR = exports.BOLD_WEIGHT = exports.INVERTED_COLOR = exports.RECEIVED_COLOR = exports.EXPECTED_COLOR = void 0;
var _chalk = _interopRequireDefault(require('chalk'));
var _jestDiff = _interopRequireWildcard(require('jest-diff'));
var _jestGetType = _interopRequireDefault(require('jest-get-type'));
var _prettyFormat = _interopRequireDefault(require('pretty-format'));
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
} else {
var newObj = {};
if (obj != null) {
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc =
Object.defineProperty && Object.getOwnPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: {};
if (desc.get || desc.set) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
}
newObj.default = obj;
return newObj;
}
}
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 _prettyFormat$plugins = _prettyFormat.default.plugins,
AsymmetricMatcher = _prettyFormat$plugins.AsymmetricMatcher,
DOMCollection = _prettyFormat$plugins.DOMCollection,
DOMElement = _prettyFormat$plugins.DOMElement,
Immutable = _prettyFormat$plugins.Immutable,
ReactElement = _prettyFormat$plugins.ReactElement,
ReactTestComponent = _prettyFormat$plugins.ReactTestComponent;
const PLUGINS = [
ReactTestComponent,
ReactElement,
DOMElement,
DOMCollection,
Immutable,
AsymmetricMatcher
];
const EXPECTED_COLOR = _chalk.default.green;
exports.EXPECTED_COLOR = EXPECTED_COLOR;
const RECEIVED_COLOR = _chalk.default.red;
exports.RECEIVED_COLOR = RECEIVED_COLOR;
const INVERTED_COLOR = _chalk.default.inverse;
exports.INVERTED_COLOR = INVERTED_COLOR;
const BOLD_WEIGHT = _chalk.default.bold;
exports.BOLD_WEIGHT = BOLD_WEIGHT;
const DIM_COLOR = _chalk.default.dim;
exports.DIM_COLOR = DIM_COLOR;
const NUMBERS = [
'zero',
'one',
'two',
'three',
'four',
'five',
'six',
'seven',
'eight',
'nine',
'ten',
'eleven',
'twelve',
'thirteen'
];
const SUGGEST_TO_CONTAIN_EQUAL = _chalk.default.dim(
'Looks like you wanted to test for object/array equality with the stricter `toContain` matcher. You probably need to use `toContainEqual` instead.'
);
exports.SUGGEST_TO_CONTAIN_EQUAL = SUGGEST_TO_CONTAIN_EQUAL;
const stringify = (object, maxDepth = 10) => {
const MAX_LENGTH = 10000;
let result;
try {
result = (0, _prettyFormat.default)(object, {
maxDepth,
min: true,
plugins: PLUGINS
});
} catch (e) {
result = (0, _prettyFormat.default)(object, {
callToJSON: false,
maxDepth,
min: true,
plugins: PLUGINS
});
}
return result.length >= MAX_LENGTH && maxDepth > 1
? stringify(object, Math.floor(maxDepth / 2))
: result;
};
exports.stringify = stringify;
const highlightTrailingWhitespace = text =>
text.replace(/\s+$/gm, _chalk.default.inverse('$&'));
exports.highlightTrailingWhitespace = highlightTrailingWhitespace;
const printReceived = object =>
RECEIVED_COLOR(highlightTrailingWhitespace(stringify(object)));
exports.printReceived = printReceived;
const printExpected = value =>
EXPECTED_COLOR(highlightTrailingWhitespace(stringify(value)));
exports.printExpected = printExpected;
const printWithType = (
name,
value,
print // printExpected or printReceived
) => {
const type = (0, _jestGetType.default)(value);
const hasType =
type !== 'null' && type !== 'undefined'
? `${name} has type: ${type}\n`
: '';
const hasValue = `${name} has value: ${print(value)}`;
return hasType + hasValue;
};
exports.printWithType = printWithType;
const ensureNoExpected = (expected, matcherName, options) => {
if (typeof expected !== 'undefined') {
// Prepend maybe not only for backward compatibility.
const matcherString = (options ? '' : '[.not]') + matcherName;
throw new Error(
matcherErrorMessage(
matcherHint(matcherString, undefined, '', options), // Because expected is omitted in hint above,
'this matcher must not have an expected argument',
printWithType('Expected', expected, printExpected)
)
);
}
};
exports.ensureNoExpected = ensureNoExpected;
const ensureActualIsNumber = (actual, matcherName, options) => {
if (typeof actual !== 'number') {
// Prepend maybe not only for backward compatibility.
const matcherString = (options ? '' : '[.not]') + matcherName;
throw new Error(
matcherErrorMessage(
matcherHint(matcherString, undefined, undefined, options),
`${RECEIVED_COLOR('received')} value must be a number`,
printWithType('Received', actual, printReceived)
)
);
}
};
exports.ensureActualIsNumber = ensureActualIsNumber;
const ensureExpectedIsNumber = (expected, matcherName, options) => {
if (typeof expected !== 'number') {
// Prepend maybe not only for backward compatibility.
const matcherString = (options ? '' : '[.not]') + matcherName;
throw new Error(
matcherErrorMessage(
matcherHint(matcherString, undefined, undefined, options),
`${EXPECTED_COLOR('expected')} value must be a number`,
printWithType('Expected', expected, printExpected)
)
);
}
};
exports.ensureExpectedIsNumber = ensureExpectedIsNumber;
const ensureNumbers = (actual, expected, matcherName, options) => {
ensureActualIsNumber(actual, matcherName, options);
ensureExpectedIsNumber(expected, matcherName, options);
};
exports.ensureNumbers = ensureNumbers;
const ensureExpectedIsNonNegativeInteger = (expected, matcherName, options) => {
if (
typeof expected !== 'number' ||
!Number.isSafeInteger(expected) ||
expected < 0
) {
// Prepend maybe not only for backward compatibility.
const matcherString = (options ? '' : '[.not]') + matcherName;
throw new Error(
matcherErrorMessage(
matcherHint(matcherString, undefined, undefined, options),
`${EXPECTED_COLOR('expected')} value must be a non-negative integer`,
printWithType('Expected', expected, printExpected)
)
);
}
}; // Sometimes, e.g. when comparing two numbers, the output from jest-diff
// does not contain more information than the `Expected:` / `Received:` already gives.
// In those cases, we do not print a diff to make the output shorter and not redundant.
exports.ensureExpectedIsNonNegativeInteger = ensureExpectedIsNonNegativeInteger;
const shouldPrintDiff = (actual, expected) => {
if (typeof actual === 'number' && typeof expected === 'number') {
return false;
}
if (typeof actual === 'boolean' && typeof expected === 'boolean') {
return false;
}
return true;
};
const diff = (a, b, options) =>
shouldPrintDiff(a, b) ? (0, _jestDiff.default)(a, b, options) : null;
exports.diff = diff;
const pluralize = (word, count) =>
(NUMBERS[count] || count) + ' ' + word + (count === 1 ? '' : 's'); // To display lines of labeled values as two columns with monospace alignment:
// given the strings which will describe the values,
// return function which given each string, returns the label:
// string, colon, space, and enough padding spaces to align the value.
exports.pluralize = pluralize;
const getLabelPrinter = (...strings) => {
const maxLength = strings.reduce(
(max, string) => (string.length > max ? string.length : max),
0
);
return string => `${string}: ${' '.repeat(maxLength - string.length)}`;
};
exports.getLabelPrinter = getLabelPrinter;
const matcherErrorMessage = (
hint,
generic,
specific // incorrect value returned from call to printWithType
) =>
`${hint}\n\n${_chalk.default.bold(
'Matcher error'
)}: ${generic}\n\n${specific}`; // Display assertion for the report when a test fails.
// New format: rejects/resolves, not, and matcher name have black color
// Old format: matcher name has dim color
exports.matcherErrorMessage = matcherErrorMessage;
const matcherHint = (
matcherName,
received = 'received',
expected = 'expected',
options = {}
) => {
const _options$comment = options.comment,
comment = _options$comment === void 0 ? '' : _options$comment,
_options$isDirectExpe = options.isDirectExpectCall,
isDirectExpectCall =
_options$isDirectExpe === void 0 ? false : _options$isDirectExpe,
_options$isNot = options.isNot,
isNot = _options$isNot === void 0 ? false : _options$isNot,
_options$promise = options.promise,
promise = _options$promise === void 0 ? '' : _options$promise,
_options$secondArgume = options.secondArgument,
secondArgument =
_options$secondArgume === void 0 ? '' : _options$secondArgume;
let hint = '';
let dimString = 'expect'; // concatenate adjacent dim substrings
if (!isDirectExpectCall && received !== '') {
hint += DIM_COLOR(dimString + '(') + RECEIVED_COLOR(received);
dimString = ')';
}
if (promise !== '') {
hint += DIM_COLOR(dimString + '.') + promise;
dimString = '';
}
if (isNot) {
hint += DIM_COLOR(dimString + '.') + 'not';
dimString = '';
}
if (matcherName.includes('.')) {
// Old format: for backward compatibility,
// especially without promise or isNot options
dimString += matcherName;
} else {
// New format: omit period from matcherName arg
hint += DIM_COLOR(dimString + '.') + matcherName;
dimString = '';
}
if (expected === '') {
dimString += '()';
} else {
hint += DIM_COLOR(dimString + '(') + EXPECTED_COLOR(expected);
if (secondArgument) {
hint += DIM_COLOR(', ') + EXPECTED_COLOR(secondArgument);
}
dimString = ')';
}
if (comment !== '') {
dimString += ' // ' + comment;
}
if (dimString !== '') {
hint += DIM_COLOR(dimString);
}
return hint;
};
exports.matcherHint = matcherHint;