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.
616 lines
17 KiB
616 lines
17 KiB
'use strict';
|
|
|
|
Object.defineProperty(exports, '__esModule', {
|
|
value: true
|
|
});
|
|
exports.matcherHint = exports.matcherErrorMessage = exports.getLabelPrinter = exports.pluralize = exports.diff = exports.printDiffOrStringify = 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'));
|
|
|
|
var _Replaceable = _interopRequireDefault(require('./Replaceable'));
|
|
|
|
var _deepCyclicCopyReplaceable = _interopRequireDefault(
|
|
require('./deepCyclicCopyReplaceable')
|
|
);
|
|
|
|
function _getRequireWildcardCache() {
|
|
if (typeof WeakMap !== 'function') return null;
|
|
var cache = new WeakMap();
|
|
_getRequireWildcardCache = function () {
|
|
return cache;
|
|
};
|
|
return cache;
|
|
}
|
|
|
|
function _interopRequireWildcard(obj) {
|
|
if (obj && obj.__esModule) {
|
|
return obj;
|
|
}
|
|
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
|
|
return {default: obj};
|
|
}
|
|
var cache = _getRequireWildcardCache();
|
|
if (cache && cache.has(obj)) {
|
|
return cache.get(obj);
|
|
}
|
|
var newObj = {};
|
|
var hasPropertyDescriptor =
|
|
Object.defineProperty && Object.getOwnPropertyDescriptor;
|
|
for (var key in obj) {
|
|
if (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;
|
|
}
|
|
|
|
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.
|
|
*/
|
|
|
|
/* eslint-disable local/ban-types-eventually */
|
|
const {
|
|
AsymmetricMatcher,
|
|
DOMCollection,
|
|
DOMElement,
|
|
Immutable,
|
|
ReactElement,
|
|
ReactTestComponent
|
|
} = _prettyFormat.default.plugins;
|
|
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 MULTILINE_REGEXP = /\n/;
|
|
const SPACE_SYMBOL = '\u{00B7}'; // middle dot
|
|
|
|
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 {
|
|
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+$/gm, _chalk.default.inverse('$&')); // Instead of inverse highlight which now implies a change,
|
|
// replace common spaces with middle dot at the end of any line.
|
|
|
|
exports.highlightTrailingWhitespace = highlightTrailingWhitespace;
|
|
|
|
const replaceTrailingSpaces = text =>
|
|
text.replace(/\s+$/gm, spaces => SPACE_SYMBOL.repeat(spaces.length));
|
|
|
|
const printReceived = object =>
|
|
RECEIVED_COLOR(replaceTrailingSpaces(stringify(object)));
|
|
|
|
exports.printReceived = printReceived;
|
|
|
|
const printExpected = value =>
|
|
EXPECTED_COLOR(replaceTrailingSpaces(stringify(value)));
|
|
|
|
exports.printExpected = printExpected;
|
|
|
|
const printWithType = (name, value, print) => {
|
|
const type = (0, _jestGetType.default)(value);
|
|
const hasType =
|
|
type !== 'null' && type !== 'undefined'
|
|
? `${name} has type: ${type}\n`
|
|
: '';
|
|
const hasValue = `${name} has value: ${print(value)}`;
|
|
return hasType + hasValue;
|
|
};
|
|
|
|
exports.printWithType = printWithType;
|
|
|
|
const ensureNoExpected = (expected, matcherName, options) => {
|
|
if (typeof expected !== 'undefined') {
|
|
// Prepend maybe not only for backward compatibility.
|
|
const matcherString = (options ? '' : '[.not]') + matcherName;
|
|
throw new Error(
|
|
matcherErrorMessage(
|
|
matcherHint(matcherString, undefined, '', options), // Because expected is omitted in hint above,
|
|
// expected is black instead of green in message below.
|
|
'this matcher must not have an expected argument',
|
|
printWithType('Expected', expected, printExpected)
|
|
)
|
|
);
|
|
}
|
|
};
|
|
/**
|
|
* Ensures that `actual` is of type `number | bigint`
|
|
*/
|
|
|
|
exports.ensureNoExpected = ensureNoExpected;
|
|
|
|
const ensureActualIsNumber = (actual, matcherName, options) => {
|
|
if (typeof actual !== 'number' && typeof actual !== 'bigint') {
|
|
// Prepend maybe not only for backward compatibility.
|
|
const matcherString = (options ? '' : '[.not]') + matcherName;
|
|
throw new Error(
|
|
matcherErrorMessage(
|
|
matcherHint(matcherString, undefined, undefined, options),
|
|
`${RECEIVED_COLOR('received')} value must be a number or bigint`,
|
|
printWithType('Received', actual, printReceived)
|
|
)
|
|
);
|
|
}
|
|
};
|
|
/**
|
|
* Ensures that `expected` is of type `number | bigint`
|
|
*/
|
|
|
|
exports.ensureActualIsNumber = ensureActualIsNumber;
|
|
|
|
const ensureExpectedIsNumber = (expected, matcherName, options) => {
|
|
if (typeof expected !== 'number' && typeof expected !== 'bigint') {
|
|
// Prepend maybe not only for backward compatibility.
|
|
const matcherString = (options ? '' : '[.not]') + matcherName;
|
|
throw new Error(
|
|
matcherErrorMessage(
|
|
matcherHint(matcherString, undefined, undefined, options),
|
|
`${EXPECTED_COLOR('expected')} value must be a number or bigint`,
|
|
printWithType('Expected', expected, printExpected)
|
|
)
|
|
);
|
|
}
|
|
};
|
|
/**
|
|
* Ensures that `actual` & `expected` are of type `number | bigint`
|
|
*/
|
|
|
|
exports.ensureExpectedIsNumber = ensureExpectedIsNumber;
|
|
|
|
const ensureNumbers = (actual, expected, matcherName, options) => {
|
|
ensureActualIsNumber(actual, matcherName, options);
|
|
ensureExpectedIsNumber(expected, matcherName, options);
|
|
};
|
|
|
|
exports.ensureNumbers = ensureNumbers;
|
|
|
|
const ensureExpectedIsNonNegativeInteger = (expected, matcherName, options) => {
|
|
if (
|
|
typeof expected !== 'number' ||
|
|
!Number.isSafeInteger(expected) ||
|
|
expected < 0
|
|
) {
|
|
// Prepend maybe not only for backward compatibility.
|
|
const matcherString = (options ? '' : '[.not]') + matcherName;
|
|
throw new Error(
|
|
matcherErrorMessage(
|
|
matcherHint(matcherString, undefined, undefined, options),
|
|
`${EXPECTED_COLOR('expected')} value must be a non-negative integer`,
|
|
printWithType('Expected', expected, printExpected)
|
|
)
|
|
);
|
|
}
|
|
}; // Given array of diffs, return concatenated string:
|
|
// * include common substrings
|
|
// * exclude change substrings which have opposite op
|
|
// * include change substrings which have argument op
|
|
// with inverse highlight only if there is a common substring
|
|
|
|
exports.ensureExpectedIsNonNegativeInteger = ensureExpectedIsNonNegativeInteger;
|
|
|
|
const getCommonAndChangedSubstrings = (diffs, op, hasCommonDiff) =>
|
|
diffs.reduce(
|
|
(reduced, diff) =>
|
|
reduced +
|
|
(diff[0] === _jestDiff.DIFF_EQUAL
|
|
? diff[1]
|
|
: diff[0] !== op
|
|
? ''
|
|
: hasCommonDiff
|
|
? INVERTED_COLOR(diff[1])
|
|
: diff[1]),
|
|
''
|
|
);
|
|
|
|
const isLineDiffable = (expected, received) => {
|
|
const expectedType = (0, _jestGetType.default)(expected);
|
|
const receivedType = (0, _jestGetType.default)(received);
|
|
|
|
if (expectedType !== receivedType) {
|
|
return false;
|
|
}
|
|
|
|
if (_jestGetType.default.isPrimitive(expected)) {
|
|
// Print generic line diff for strings only:
|
|
// * if neither string is empty
|
|
// * if either string has more than one line
|
|
return (
|
|
typeof expected === 'string' &&
|
|
typeof received === 'string' &&
|
|
expected.length !== 0 &&
|
|
received.length !== 0 &&
|
|
(MULTILINE_REGEXP.test(expected) || MULTILINE_REGEXP.test(received))
|
|
);
|
|
}
|
|
|
|
if (
|
|
expectedType === 'date' ||
|
|
expectedType === 'function' ||
|
|
expectedType === 'regexp'
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
if (expected instanceof Error && received instanceof Error) {
|
|
return false;
|
|
}
|
|
|
|
if (
|
|
expectedType === 'object' &&
|
|
typeof expected.asymmetricMatch === 'function'
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
if (
|
|
receivedType === 'object' &&
|
|
typeof received.asymmetricMatch === 'function'
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
const MAX_DIFF_STRING_LENGTH = 20000;
|
|
|
|
const printDiffOrStringify = (
|
|
expected,
|
|
received,
|
|
expectedLabel,
|
|
receivedLabel,
|
|
expand
|
|
) => {
|
|
if (
|
|
typeof expected === 'string' &&
|
|
typeof received === 'string' &&
|
|
expected.length !== 0 &&
|
|
received.length !== 0 &&
|
|
expected.length <= MAX_DIFF_STRING_LENGTH &&
|
|
received.length <= MAX_DIFF_STRING_LENGTH &&
|
|
expected !== received
|
|
) {
|
|
if (expected.includes('\n') || received.includes('\n')) {
|
|
return (0, _jestDiff.diffStringsUnified)(expected, received, {
|
|
aAnnotation: expectedLabel,
|
|
bAnnotation: receivedLabel,
|
|
changeLineTrailingSpaceColor: _chalk.default.bgYellow,
|
|
commonLineTrailingSpaceColor: _chalk.default.bgYellow,
|
|
emptyFirstOrLastLinePlaceholder: '↵',
|
|
// U+21B5
|
|
expand,
|
|
includeChangeCounts: true
|
|
});
|
|
}
|
|
|
|
const diffs = (0, _jestDiff.diffStringsRaw)(expected, received, true);
|
|
const hasCommonDiff = diffs.some(diff => diff[0] === _jestDiff.DIFF_EQUAL);
|
|
const printLabel = getLabelPrinter(expectedLabel, receivedLabel);
|
|
const expectedLine =
|
|
printLabel(expectedLabel) +
|
|
printExpected(
|
|
getCommonAndChangedSubstrings(
|
|
diffs,
|
|
_jestDiff.DIFF_DELETE,
|
|
hasCommonDiff
|
|
)
|
|
);
|
|
const receivedLine =
|
|
printLabel(receivedLabel) +
|
|
printReceived(
|
|
getCommonAndChangedSubstrings(
|
|
diffs,
|
|
_jestDiff.DIFF_INSERT,
|
|
hasCommonDiff
|
|
)
|
|
);
|
|
return expectedLine + '\n' + receivedLine;
|
|
}
|
|
|
|
if (isLineDiffable(expected, received)) {
|
|
const {
|
|
replacedExpected,
|
|
replacedReceived
|
|
} = replaceMatchedToAsymmetricMatcher(
|
|
(0, _deepCyclicCopyReplaceable.default)(expected),
|
|
(0, _deepCyclicCopyReplaceable.default)(received),
|
|
[],
|
|
[]
|
|
);
|
|
const difference = (0, _jestDiff.default)(
|
|
replacedExpected,
|
|
replacedReceived,
|
|
{
|
|
aAnnotation: expectedLabel,
|
|
bAnnotation: receivedLabel,
|
|
expand,
|
|
includeChangeCounts: true
|
|
}
|
|
);
|
|
|
|
if (
|
|
typeof difference === 'string' &&
|
|
difference.includes('- ' + expectedLabel) &&
|
|
difference.includes('+ ' + receivedLabel)
|
|
) {
|
|
return difference;
|
|
}
|
|
}
|
|
|
|
const printLabel = getLabelPrinter(expectedLabel, receivedLabel);
|
|
const expectedLine = printLabel(expectedLabel) + printExpected(expected);
|
|
const receivedLine =
|
|
printLabel(receivedLabel) +
|
|
(stringify(expected) === stringify(received)
|
|
? 'serializes to the same string'
|
|
: printReceived(received));
|
|
return expectedLine + '\n' + receivedLine;
|
|
}; // 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.printDiffOrStringify = printDiffOrStringify;
|
|
|
|
const shouldPrintDiff = (actual, expected) => {
|
|
if (typeof actual === 'number' && typeof expected === 'number') {
|
|
return false;
|
|
}
|
|
|
|
if (typeof actual === 'bigint' && typeof expected === 'bigint') {
|
|
return false;
|
|
}
|
|
|
|
if (typeof actual === 'boolean' && typeof expected === 'boolean') {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
function replaceMatchedToAsymmetricMatcher(
|
|
replacedExpected,
|
|
replacedReceived,
|
|
expectedCycles,
|
|
receivedCycles
|
|
) {
|
|
if (!_Replaceable.default.isReplaceable(replacedExpected, replacedReceived)) {
|
|
return {
|
|
replacedExpected,
|
|
replacedReceived
|
|
};
|
|
}
|
|
|
|
if (
|
|
expectedCycles.includes(replacedExpected) ||
|
|
receivedCycles.includes(replacedReceived)
|
|
) {
|
|
return {
|
|
replacedExpected,
|
|
replacedReceived
|
|
};
|
|
}
|
|
|
|
expectedCycles.push(replacedExpected);
|
|
receivedCycles.push(replacedReceived);
|
|
const expectedReplaceable = new _Replaceable.default(replacedExpected);
|
|
const receivedReplaceable = new _Replaceable.default(replacedReceived);
|
|
expectedReplaceable.forEach((expectedValue, key) => {
|
|
const receivedValue = receivedReplaceable.get(key);
|
|
|
|
if (isAsymmetricMatcher(expectedValue)) {
|
|
if (expectedValue.asymmetricMatch(receivedValue)) {
|
|
receivedReplaceable.set(key, expectedValue);
|
|
}
|
|
} else if (isAsymmetricMatcher(receivedValue)) {
|
|
if (receivedValue.asymmetricMatch(expectedValue)) {
|
|
expectedReplaceable.set(key, receivedValue);
|
|
}
|
|
} else if (
|
|
_Replaceable.default.isReplaceable(expectedValue, receivedValue)
|
|
) {
|
|
const replaced = replaceMatchedToAsymmetricMatcher(
|
|
expectedValue,
|
|
receivedValue,
|
|
expectedCycles,
|
|
receivedCycles
|
|
);
|
|
expectedReplaceable.set(key, replaced.replacedExpected);
|
|
receivedReplaceable.set(key, replaced.replacedReceived);
|
|
}
|
|
});
|
|
return {
|
|
replacedExpected: expectedReplaceable.object,
|
|
replacedReceived: receivedReplaceable.object
|
|
};
|
|
}
|
|
|
|
function isAsymmetricMatcher(data) {
|
|
const type = (0, _jestGetType.default)(data);
|
|
return type === 'object' && typeof data.asymmetricMatch === 'function';
|
|
}
|
|
|
|
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}: ${' '.repeat(maxLength - string.length)}`;
|
|
};
|
|
|
|
exports.getLabelPrinter = getLabelPrinter;
|
|
|
|
const matcherErrorMessage = (hint, generic, specific) =>
|
|
`${hint}\n\n${_chalk.default.bold('Matcher error')}: ${generic}${
|
|
typeof specific === 'string' ? '\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 {
|
|
comment = '',
|
|
expectedColor = EXPECTED_COLOR,
|
|
isDirectExpectCall = false,
|
|
// seems redundant with received === ''
|
|
isNot = false,
|
|
promise = '',
|
|
receivedColor = RECEIVED_COLOR,
|
|
secondArgument = '',
|
|
secondArgumentColor = EXPECTED_COLOR
|
|
} = options;
|
|
let hint = '';
|
|
let dimString = 'expect'; // concatenate adjacent dim substrings
|
|
|
|
if (!isDirectExpectCall && received !== '') {
|
|
hint += DIM_COLOR(dimString + '(') + receivedColor(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 + '(') + expectedColor(expected);
|
|
|
|
if (secondArgument) {
|
|
hint += DIM_COLOR(', ') + secondArgumentColor(secondArgument);
|
|
}
|
|
|
|
dimString = ')';
|
|
}
|
|
|
|
if (comment !== '') {
|
|
dimString += ' // ' + comment;
|
|
}
|
|
|
|
if (dimString !== '') {
|
|
hint += DIM_COLOR(dimString);
|
|
}
|
|
|
|
return hint;
|
|
};
|
|
|
|
exports.matcherHint = matcherHint;
|