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- '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.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 = _interopRequireWildcard(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$plugins.ReactTestComponent;
- const PLUGINS = [
- ReactTestComponent,
- ReactElement,
- DOMElement,
- DOMCollection,
- Immutable,
- AsymmetricMatcher
- ];
- const EXPECTED_COLOR = _chalk.default.green;
- exports.EXPECTED_COLOR = EXPECTED_COLOR;
- const RECEIVED_COLOR = _chalk.default.red;
- exports.RECEIVED_COLOR = RECEIVED_COLOR;
- const INVERTED_COLOR = _chalk.default.inverse;
- exports.INVERTED_COLOR = INVERTED_COLOR;
- const BOLD_WEIGHT = _chalk.default.bold;
- exports.BOLD_WEIGHT = BOLD_WEIGHT;
- const DIM_COLOR = _chalk.default.dim;
- exports.DIM_COLOR = DIM_COLOR;
- const MULTILINE_REGEXP = /\n/;
- const SPACE_SYMBOL = '\u{00B7}'; // middle dot
- const NUMBERS = [
- 'zero',
- 'one',
- 'two',
- 'three',
- 'four',
- 'five',
- 'six',
- 'seven',
- 'eight',
- 'nine',
- 'ten',
- 'eleven',
- 'twelve',
- 'thirteen'
- ];
- const SUGGEST_TO_CONTAIN_EQUAL = _chalk.default.dim(
- 'Looks like you wanted to test for object/array equality with the stricter `toContain` matcher. You probably need to use `toContainEqual` instead.'
- );
- exports.SUGGEST_TO_CONTAIN_EQUAL = SUGGEST_TO_CONTAIN_EQUAL;
- const stringify = (object, maxDepth = 10) => {
- const MAX_LENGTH = 10000;
- let result;
- try {
- result = (0, _prettyFormat.default)(object, {
- maxDepth,
- min: true,
- plugins: PLUGINS
- });
- } catch (e) {
- result = (0, _prettyFormat.default)(object, {
- callToJSON: false,
- maxDepth,
- min: true,
- plugins: PLUGINS
- });
- }
- return result.length >= MAX_LENGTH && maxDepth > 1
- ? stringify(object, Math.floor(maxDepth / 2))
- : result;
- };
- exports.stringify = stringify;
- const highlightTrailingWhitespace = text =>
- text.replace(/\s+$/gm, _chalk.default.inverse('$&')); // Instead of inverse highlight which now implies a change,
- // replace common spaces with middle dot at the end of any line.
- exports.highlightTrailingWhitespace = highlightTrailingWhitespace;
- const replaceTrailingSpaces = text =>
- text.replace(/\s+$/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 // 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)
- )
- );
- }
- };
- exports.ensureExpectedIsNonNegativeInteger = ensureExpectedIsNonNegativeInteger;
- const isLineDiffable = (expected, received) => {
- const expectedType = (0, _jestGetType.default)(expected);
- const receivedType = (0, _jestGetType.default)(received);
- if (expectedType !== receivedType) {
- return false;
- }
- if ((0, _jestGetType.isPrimitive)(expected)) {
- // Print generic line diff for strings only:
- // * if neither string is empty
- 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 printDiffOrStringify = (
- expected,
- received,
- expectedLabel,
- receivedLabel,
- expand
- ) => {
- if (typeof expected === 'string' && typeof received === 'string') {
- const result = (0, _jestDiff.getStringDiff)(expected, received, {
- aAnnotation: expectedLabel,
- bAnnotation: receivedLabel,
- expand
- });
- if (result !== null) {
- if (result.isMultiline) {
- return result.annotatedDiff;
- }
- const printLabel = getLabelPrinter(expectedLabel, receivedLabel);
- const expectedLine = printLabel(expectedLabel) + printExpected(result.a);
- const receivedLine = printLabel(receivedLabel) + printReceived(result.b);
- return expectedLine + '\n' + receivedLine;
- }
- }
- if (isLineDiffable(expected, received)) {
- const difference = (0, _jestDiff.default)(expected, received, {
- aAnnotation: expectedLabel,
- bAnnotation: receivedLabel,
- expand
- });
- 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 === '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$comment,
- _options$expectedColo = options.expectedColor,
- expectedColor =
- _options$expectedColo === void 0 ? EXPECTED_COLOR : _options$expectedColo,
- _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$promise,
- _options$receivedColo = options.receivedColor,
- receivedColor =
- _options$receivedColo === void 0 ? RECEIVED_COLOR : _options$receivedColo,
- _options$secondArgume = options.secondArgument,
- secondArgument =
- _options$secondArgume === void 0 ? '' : _options$secondArgume,
- _options$secondArgume2 = options.secondArgumentColor,
- secondArgumentColor =
- _options$secondArgume2 === void 0
- ? EXPECTED_COLOR
- : _options$secondArgume2;
- 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;
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