How to use emptyRepresentation method in Mocha

Best JavaScript code snippet using mocha

util.js

Source:util.js Github

copy

Full Screen

...91 * @param {*} value The value to inspect.92 * @param {string} typeHint The type of the value93 * @returns {string}94 */95function emptyRepresentation(value, typeHint) {96 switch (typeHint) {97 case 'function':98 return '[Function]';99 case 'object':100 return '{}';101 case 'array':102 return '[]';103 default:104 return value.toString();105 }106}107/**108 * Takes some variable and asks `Object.prototype.toString()` what it thinks it109 * is.110 *111 * @private112 * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString113 * @param {*} value The value to test.114 * @returns {string} Computed type115 * @example116 * type({}) // 'object'117 * type([]) // 'array'118 * type(1) // 'number'119 * type(false) // 'boolean'120 * type(Infinity) // 'number'121 * type(null) // 'null'122 * type(new Date()) // 'date'123 * type(/foo/) // 'regexp'124 * type('type') // 'string'125 * type(global) // 'global'126 * type(new String('foo') // 'object'127 */128var type = (exports.type = function type(value) {129 if (value === undefined) {130 return 'undefined';131 } else if (value === null) {132 return 'null';133 } else if (Buffer.isBuffer(value)) {134 return 'buffer';135 }136 return Object.prototype.toString137 .call(value)138 .replace(/^\[.+\s(.+?)]$/, '$1')139 .toLowerCase();140});141/**142 * Stringify `value`. Different behavior depending on type of value:143 *144 * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.145 * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.146 * - If `value` is an *empty* object, function, or array, return result of function147 * {@link emptyRepresentation}.148 * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of149 * JSON.stringify().150 *151 * @private152 * @see exports.type153 * @param {*} value154 * @return {string}155 */156exports.stringify = function (value) {157 var typeHint = type(value);158 if (!~['object', 'array', 'function'].indexOf(typeHint)) {159 if (typeHint === 'buffer') {160 var json = Buffer.prototype.toJSON.call(value);161 // Based on the toJSON result162 return jsonStringify(163 json.data && json.type ? json.data : json,164 2165 ).replace(/,(\n|$)/g, '$1');166 }167 // IE7/IE8 has a bizarre String constructor; needs to be coerced168 // into an array and back to obj.169 if (typeHint === 'string' && typeof value === 'object') {170 value = value.split('').reduce(function (acc, char, idx) {171 acc[idx] = char;172 return acc;173 }, {});174 typeHint = 'object';175 } else {176 return jsonStringify(value);177 }178 }179 for (var prop in value) {180 if (Object.prototype.hasOwnProperty.call(value, prop)) {181 return jsonStringify(182 exports.canonicalize(value, null, typeHint),183 2184 ).replace(/,(\n|$)/g, '$1');185 }186 }187 return emptyRepresentation(value, typeHint);188};189/**190 * like JSON.stringify but more sense.191 *192 * @private193 * @param {Object} object194 * @param {number=} spaces195 * @param {number=} depth196 * @returns {*}197 */198function jsonStringify(object, spaces, depth) {199 if (typeof spaces === 'undefined') {200 // primitive types201 return _stringify(object);202 }203 depth = depth || 1;204 var space = spaces * depth;205 var str = Array.isArray(object) ? '[' : '{';206 var end = Array.isArray(object) ? ']' : '}';207 var length =208 typeof object.length === 'number'209 ? object.length210 : Object.keys(object).length;211 // `.repeat()` polyfill212 function repeat(s, n) {213 return new Array(n).join(s);214 }215 function _stringify(val) {216 switch (type(val)) {217 case 'null':218 case 'undefined':219 val = '[' + val + ']';220 break;221 case 'array':222 case 'object':223 val = jsonStringify(val, spaces, depth + 1);224 break;225 case 'boolean':226 case 'regexp':227 case 'symbol':228 case 'number':229 val =230 val === 0 && 1 / val === -Infinity // `-0`231 ? '-0'232 : val.toString();233 break;234 case 'date':235 var sDate = isNaN(val.getTime()) ? val.toString() : val.toISOString();236 val = '[Date: ' + sDate + ']';237 break;238 case 'buffer':239 var json = val.toJSON();240 // Based on the toJSON result241 json = json.data && json.type ? json.data : json;242 val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']';243 break;244 default:245 val =246 val === '[Function]' || val === '[Circular]'247 ? val248 : JSON.stringify(val); // string249 }250 return val;251 }252 for (var i in object) {253 if (!Object.prototype.hasOwnProperty.call(object, i)) {254 continue; // not my business255 }256 --length;257 str +=258 '\n ' +259 repeat(' ', space) +260 (Array.isArray(object) ? '' : '"' + i + '": ') + // key261 _stringify(object[i]) + // value262 (length ? ',' : ''); // comma263 }264 return (265 str +266 // [], {}267 (str.length !== 1 ? '\n' + repeat(' ', --space) + end : end)268 );269}270/**271 * Return a new Thing that has the keys in sorted order. Recursive.272 *273 * If the Thing...274 * - has already been seen, return string `'[Circular]'`275 * - is `undefined`, return string `'[undefined]'`276 * - is `null`, return value `null`277 * - is some other primitive, return the value278 * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method279 * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.280 * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`281 *282 * @private283 * @see {@link exports.stringify}284 * @param {*} value Thing to inspect. May or may not have properties.285 * @param {Array} [stack=[]] Stack of seen values286 * @param {string} [typeHint] Type hint287 * @return {(Object|Array|Function|string|undefined)}288 */289exports.canonicalize = function canonicalize(value, stack, typeHint) {290 var canonicalizedObj;291 /* eslint-disable no-unused-vars */292 var prop;293 /* eslint-enable no-unused-vars */294 typeHint = typeHint || type(value);295 function withStack(value, fn) {296 stack.push(value);297 fn();298 stack.pop();299 }300 stack = stack || [];301 if (stack.indexOf(value) !== -1) {302 return '[Circular]';303 }304 switch (typeHint) {305 case 'undefined':306 case 'buffer':307 case 'null':308 canonicalizedObj = value;309 break;310 case 'array':311 withStack(value, function () {312 canonicalizedObj = value.map(function (item) {313 return exports.canonicalize(item, stack);314 });315 });316 break;317 case 'function':318 /* eslint-disable guard-for-in */319 for (prop in value) {320 canonicalizedObj = {};321 break;322 }323 /* eslint-enable guard-for-in */324 if (!canonicalizedObj) {325 canonicalizedObj = emptyRepresentation(value, typeHint);326 break;327 }328 /* falls through */329 case 'object':330 canonicalizedObj = canonicalizedObj || {};331 withStack(value, function () {332 Object.keys(value)333 .sort()334 .forEach(function (key) {335 canonicalizedObj[key] = exports.canonicalize(value[key], stack);336 });337 });338 break;339 case 'date':...

Full Screen

Full Screen

utils.js

Source:utils.js Github

copy

Full Screen

...255 * @param {*} value Value to inspect256 * @param {string} [type] The type of the value, if known.257 * @returns {string}258 */259var emptyRepresentation = function emptyRepresentation(value, type) {260 type = type || exports.type(value);261 switch(type) {262 case 'function':263 return '[Function]';264 case 'object':265 return '{}';266 case 'array':267 return '[]';268 default:269 return value.toString();270 }271};272/**273 * Takes some variable and asks `{}.toString()` what it thinks it is.274 * @param {*} value Anything275 * @example276 * type({}) // 'object'277 * type([]) // 'array'278 * type(1) // 'number'279 * type(false) // 'boolean'280 * type(Infinity) // 'number'281 * type(null) // 'null'282 * type(new Date()) // 'date'283 * type(/foo/) // 'regexp'284 * type('type') // 'string'285 * type(global) // 'global'286 * @api private287 * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString288 * @returns {string}289 */290exports.type = function type(value) {291 if (typeof Buffer !== 'undefined' && Buffer.isBuffer(value)) {292 return 'buffer';293 }294 return Object.prototype.toString.call(value)295 .replace(/^\[.+\s(.+?)\]$/, '$1')296 .toLowerCase();297};298/**299 * @summary Stringify `value`.300 * @description Different behavior depending on type of value.301 * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.302 * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.303 * - If `value` is an *empty* object, function, or array, return result of function304 * {@link emptyRepresentation}.305 * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of306 * JSON.stringify().307 *308 * @see exports.type309 * @param {*} value310 * @return {string}311 * @api private312 */313exports.stringify = function(value) {314 var prop,315 type = exports.type(value);316 if (type === 'null' || type === 'undefined') {317 return '[' + type + ']';318 }319 if (type === 'date') {320 return '[Date: ' + value.toISOString() + ']';321 }322 if (!~exports.indexOf(['object', 'array', 'function'], type)) {323 return value.toString();324 }325 for (prop in value) {326 if (value.hasOwnProperty(prop)) {327 return JSON.stringify(exports.canonicalize(value), null, 2).replace(/,(\n|$)/g, '$1');328 }329 }330 return emptyRepresentation(value, type);331};332/**333 * Return if obj is a Buffer334 * @param {Object} arg335 * @return {Boolean}336 * @api private337 */338exports.isBuffer = function (arg) {339 return typeof Buffer !== 'undefined' && Buffer.isBuffer(arg);340};341/**342 * @summary Return a new Thing that has the keys in sorted order. Recursive.343 * @description If the Thing...344 * - has already been seen, return string `'[Circular]'`345 * - is `undefined`, return string `'[undefined]'`346 * - is `null`, return value `null`347 * - is some other primitive, return the value348 * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method349 * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.350 * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`351 *352 * @param {*} value Thing to inspect. May or may not have properties.353 * @param {Array} [stack=[]] Stack of seen values354 * @return {(Object|Array|Function|string|undefined)}355 * @see {@link exports.stringify}356 * @api private357 */358exports.canonicalize = function(value, stack) {359 var canonicalizedObj,360 type = exports.type(value),361 prop,362 withStack = function withStack(value, fn) {363 stack.push(value);364 fn();365 stack.pop();366 };367 stack = stack || [];368 if (exports.indexOf(stack, value) !== -1) {369 return '[Circular]';370 }371 switch(type) {372 case 'undefined':373 canonicalizedObj = '[undefined]';374 break;375 case 'buffer':376 case 'null':377 canonicalizedObj = value;378 break;379 case 'array':380 withStack(value, function () {381 canonicalizedObj = exports.map(value, function (item) {382 return exports.canonicalize(item, stack);383 });384 });385 break;386 case 'date':387 canonicalizedObj = '[Date: ' + value.toISOString() + ']';388 break;389 case 'function':390 for (prop in value) {391 canonicalizedObj = {};392 break;393 }394 if (!canonicalizedObj) {395 canonicalizedObj = emptyRepresentation(value, type);396 break;397 }398 /* falls through */399 case 'object':400 canonicalizedObj = canonicalizedObj || {};401 withStack(value, function () {402 exports.forEach(exports.keys(value).sort(), function (key) {403 canonicalizedObj[key] = exports.canonicalize(value[key], stack);404 });405 });406 break;407 case 'number':408 case 'boolean':409 canonicalizedObj = value;...

Full Screen

Full Screen

methods.js

Source:methods.js Github

copy

Full Screen

...6exports.nullCheck = function (type, value) {7 if(value)8 return value;9 else10 return emptyRepresentation(type);11};12function emptyRepresentation(type){13 switch(type){14 case Boolean:15 return false;16 case Number:17 return 0;18 case String:19 return "";20 default:21 return null;22 }23}24// Date to String [2015-07-14]25exports.convertDateToParameter = function(date){26 var m = addZero(date.getMonth()+1); // 10...

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1const mocha = require('mocha');2const assert = require('assert');3describe('Array', function() {4 describe('#indexOf()', function() {5 it('should return -1 when the value is not present', function() {6 assert.equal([1,2,3].indexOf(4), -1);7 });8 });9});10 #indexOf()11 0 passing (10ms)12 1) Array #indexOf()13 at Context.<anonymous> (test.js:8:18)14const mocha = require('mocha');15const assert = require('assert');16describe('Array', function() {17 describe('#indexOf()', function() {18 it('should return -1 when the value is not present', function() {19 assert.equal([1,2,3].indexOf(4), -1);20 });21 });22});23 #indexOf()24 0 passing (10ms)25 1) Array #indexOf()26 at Context.<anonymous> (test.js:8:18)27const mocha = require('mocha');28const assert = require('assert');29describe('Array', function() {30 describe('#indexOf()', function() {31 it('should return -1 when the value is not present', function() {32 assert.equal([1,2,3].indexOf(4), -1);33 });34 });35});36 #indexOf()37 0 passing (10ms)38 1) Array #indexOf()

Full Screen

Using AI Code Generation

copy

Full Screen

1var assert = require('assert');2var emptyRepresentation = require('../emptyRepresentation.js');3describe('emptyRepresentation', function () {4 it('should return true for empty array', function () {5 assert.equal(true, emptyRepresentation([]));6 });7 it('should return true for empty object', function () {8 assert.equal(true, emptyRepresentation({}));9 });10 it('should return false for non-empty array', function () {11 assert.equal(false, emptyRepresentation([1, 2, 3]));12 });13 it('should return false for non-empty object', function () {14 assert.equal(false, emptyRepresentation({a: 1, b: 2}));15 });16});17module.exports = function (obj) {18 if (obj instanceof Array) {19 return obj.length === 0;20 }21 else if (obj instanceof Object) {22 return Object.keys(obj).length === 0;23 }24 else {25 return false;26 }27};28{29 "scripts": {30 },31 "devDependencies": {32 }33}

Full Screen

Using AI Code Generation

copy

Full Screen

1var emptyRepresentation = require('mocha/lib/reporters/base').emptyRepresentation;2var assert = require('assert');3describe('emptyRepresentation', function() {4 it('should return empty string for empty array', function() {5 assert.equal(emptyRepresentation([]), '');6 });7 it('should return empty string for empty object', function() {8 assert.equal(emptyRepresentation({}), '');9 });10 it('should return empty string for null', function() {11 assert.equal(emptyRepresentation(null), '');12 });13 it('should return empty string for undefined', function() {14 assert.equal(emptyRepresentation(undefined), '');15 });16 it('should return empty string for empty string', function() {17 assert.equal(emptyRepresentation(''), '');18 });19 it('should return empty string for 0', function() {20 assert.equal(emptyRepresentation(0), '');21 });22 it('should return empty string for false', function() {23 assert.equal(emptyRepresentation(false), '');24 });25 it('should return string for non-empty array', function() {26 assert.equal(emptyRepresentation([1]), '[ 1 ]');27 });28 it('should return string for non-empty object', function() {29 assert.equal(emptyRepresentation({a: 1}), '{ a: 1 }');30 });31 it('should return string for non-empty string', function() {32 assert.equal(emptyRepresentation('a'), 'a');33 });34 it('should return string for non-zero number', function() {35 assert.equal(emptyRepresentation(1), '1');36 });37 it('should return string for true', function() {38 assert.equal(emptyRepresentation(true), 'true');39 });40});

Full Screen

Using AI Code Generation

copy

Full Screen

1describe('Mocha', function() {2 describe('emptyRepresentation()', function() {3 it('should return the empty string', function() {4 assert.equal(Mocha.emptyRepresentation(), '');5 });6 });7});8describe('Mocha', function() {9 describe('emptyRepresentation()', function() {10 it('should return the empty string', function() {11 assert.equal(Mocha.emptyRepresentation(), '');12 });13 });14});15describe('Mocha', function() {16 describe('emptyRepresentation()', function() {17 it('should return the empty string', function() {18 assert.equal(Mocha.emptyRepresentation(), '');19 });20 });21});22describe('Mocha', function() {23 describe('emptyRepresentation()', function() {24 it('should return the empty string', function() {25 assert.equal(Mocha.emptyRepresentation(), '');26 });27 });28});29describe('Mocha', function() {30 describe('emptyRepresentation()', function() {31 it('should return the empty string', function() {32 assert.equal(Mocha.emptyRepresentation(), '');33 });34 });35});36describe('Mocha', function() {37 describe('emptyRepresentation()', function() {38 it('should return the empty string', function() {39 assert.equal(Mocha.emptyRepresentation(), '');40 });41 });42});43describe('Mocha', function() {44 describe('emptyRepresentation()', function() {45 it('should return the empty string', function() {46 assert.equal(Mocha.emptyRepresentation(), '');47 });48 });49});50describe('Mocha', function() {51 describe('emptyRepresentation()', function() {52 it('should return the empty string', function() {53 assert.equal(Mocha.emptyRepresentation(), '');54 });55 });56});57describe('Mocha', function() {58 describe('emptyRepresentation()', function() {

Full Screen

Using AI Code Generation

copy

Full Screen

1function emptyRepresentation(){2 var empty = {};3 return empty;4}5function emptyRepresentation(){6 var empty = {};7 return empty;8}9function emptyRepresentation(){10 var empty = {};11 return empty;12}13function emptyRepresentation(){14 var empty = {};15 return empty;16}17function emptyRepresentation(){18 var empty = {};19 return empty;20}21function emptyRepresentation(){22 var empty = {};23 return empty;24}25function emptyRepresentation(){26 var empty = {};27 return empty;28}29function emptyRepresentation(){30 var empty = {};31 return empty;32}33function emptyRepresentation(){34 var empty = {};35 return empty;36}37function emptyRepresentation(){38 var empty = {};39 return empty;40}41function emptyRepresentation(){42 var empty = {};43 return empty;44}45function emptyRepresentation(){46 var empty = {};47 return empty;48}49function emptyRepresentation(){50 var empty = {};51 return empty;52}53function emptyRepresentation(){54 var empty = {};55 return empty;56}57function emptyRepresentation(){58 var empty = {};59 return empty;60}61function emptyRepresentation(){62 var empty = {};63 return empty;64}65function emptyRepresentation(){66 var empty = {};67 return empty;68}69function emptyRepresentation(){70 var empty = {};71 return empty;72}

Full Screen

Using AI Code Generation

copy

Full Screen

1var assert = require('assert');2function emptyRepresentation(obj) {3 return obj != null && Object.keys(obj).length === 0;4}5describe('emptyRepresentation', function() {6 it('should return true if object is empty', function() {7 assert.equal(emptyRepresentation({}), true);8 });9 it('should return false if object is not empty', function() {10 assert.equal(emptyRepresentation({a: 1}), false);11 });12 it('should return true if object is null', function() {13 assert.equal(emptyRepresentation(null), true);14 });15});

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run Mocha automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful