Best JavaScript code snippet using sinon
serialization.js
Source:serialization.js  
...384			registerNewElement(n);385			var pos = cumulativeOffset(n);386			out.tagname = n.tagName.toLowerCase();387			out.cornipickleid = n.cornipickleid;388			out = addIfDefined(out, "value", setValue(n));389			out = addIfDefined(out, "class", n.className);390			out = addIfDefined(out, "id", n.id);391			out = addIfDefined(out, "height", n.clientHeight);392			out = addIfDefined(out, "width", n.clientWidth);393			out = addIfDefined(out, "background", formatBackgroundString(n));394			out = addIfDefined(out, "color", getStyle(n, "color"));395			out = addIfDefined(out, "border", formatBorderString(n));396			out = addIfDefined(out, "top", pos.top);397			out = addIfDefined(out, "left", pos.left);398			out = addIfDefined(out, "bottom", add_dimensions([pos.top, n.clientHeight]));399			out = addIfDefined(out, "right", add_dimensions([pos.left,  n.clientWidth]));400			out = addIfDefined(out, "display", getStyle(n, "display"));401			out = addIfDefined(out, "size", n.size);402			out = addIfDefined(out, "checked", formatBool(n.checked));403			out = addIfDefined(out, "disabled", formatBool(n.disabled));404			out = addIfDefined(out, "accesskey", n.accessKey);405			out = addIfDefined(out, "min", n.min);406			if (event && n === event)407			{408				out.event = "click";409			}410			if (n.tagName === "INPUT")411			{412				// Form fields require special treatment413				if (n.type === "text") // Textbox414				{415					// We create a single text child with the box's contents416					out.children = [{417						"tagname" : "CDATA",418						"text" : n.value419					}];...spotify-authentication.js
Source:spotify-authentication.js  
...59            }60        };61        /* eslint-enable func-names */62        // Mandatory parameters63        url.addIfDefined('client_id', this.clientId);64        url.searchParams.append('response_type', 'code');65        url.addIfDefined('redirect_uri', this.redirectUri);66        // Optional parameters67        url.addIfDefined('state', state);68        url.addIfDefined('scope', scope);69        // Spotify defaults `show_dialog` to `false`70        url.addIfDefined('show_dialog', showDialog);71        return url;72    }73    authorizationCodeGrant(code) {74        const body = {};75        // Mandatory parameters76        body.code = code;77        body.grant_type = 'authorization_code';78        if (this.redirectUri) {79            body.redirect_uri = this.redirectUri;80        }81        return getTokenRequest(this, body);82    }83    refreshAccessToken(refreshToken) {84        const body = {};...life.js
Source:life.js  
...8	newworld[i] = world[i].slice();9    }10    return newworld;11}12function addIfDefined(a, b) {13    if (typeof b !== 'undefined') {14	return a + b;15    }16    return a;17}18function neighbors(x, y) {19    var total = 0;20    var row = world[x-1];21    if (typeof row !== 'undefined') {22	total = addIfDefined(total, row[y-1]);23	total = addIfDefined(total, row[y]);24	total = addIfDefined(total, row[y+1]);25    }26    total = addIfDefined(total, world[x][y-1]);27    total = addIfDefined(total, world[x][y+1]);28    row = world[x+1];29    if (typeof row !== 'undefined') {30	total = addIfDefined(total, row[y-1]);31	total = addIfDefined(total, row[y]);32	total = addIfDefined(total, row[y+1]);33    }34    return total;35}36function generation() {37    var newworld = cloneWorld();38    for (var x = 0; x < worldx; ++x) {39	for (var y = 0; y < worldy; ++y) {40	    var ncnt = neighbors(x, y);41	    if (ncnt === 3) {42		newworld[x][y] = 1;43	    }44	    else if ((ncnt < 2) || (ncnt  > 3)) {45		newworld[x][y] = 0;46	    }...Using AI Code Generation
1var sinon = require('sinon');2var assert = require('assert');3var addIfDefined = sinon.spy();4addIfDefined(2,3);5assert(addIfDefined.calledWith(2,3));6assert(addIfDefined.calledWith(2));7assert(addIfDefined.calledWith(3));8assert(addIfDefined.calledWith(2,3,4));9assert(addIfDefined.calledWith(2,3,4,5));10    at Object.<anonymous> (/Users/username/test.js:11:1)11    at Module._compile (module.js:456:26)12    at Object.Module._extensions..js (module.js:474:10)13    at Module.load (module.js:356:32)14    at Function.Module._load (module.js:312:12)15    at Function.Module.runMain (module.js:497:10)16    at startup (node.js:119:16)17assert(addIfDefined.calledWith(2,3));Using AI Code Generation
1var addIfDefined = sinon.stub();2addIfDefined.withArgs(undefined).returns(false);3addIfDefined.withArgs(1).returns(true);4assert(addIfDefined(1) === true);5assert(addIfDefined(undefined) === false);6var addIfDefined = sinon.stub();7addIfDefined.withArgs(1, "hello").returns(true);8addIfDefined.withArgs(1, undefined).returns(false);9addIfDefined.withArgs(undefined, "hello").returns(false);10addIfDefined.withArgs(undefined, undefined).returns(false);11assert(addIfDefined(1, "hello") === true);12assert(addIfDefined(1, undefined) === false);13assert(addIfDefined(undefined, "hello") === false);14assert(addIfDefined(undefined, undefined) === false);Using AI Code Generation
1var addIfDefined = function(object, method) {2    if (object && object[method] && typeof object[method] === "function") {3        this.stub(object, method);4    }5};6var addIfDefined = function(object, method) {7    if (object && object[methUsing AI Code Generation
1var sinon = require('sinon');2var assert = require('assert');3var myObj = {4  myMethod: function() {5    return true;6  }7};8myObj.addIfDefined = function(name, fn) {9  if (typeof fn === 'function') {10    this[name] = fn;11  }12};13describe('addIfDefined', function() {14  it('should add the function to the object', function() {15    var fn = function() {16      return true;17    };18    myObj.addIfDefined('myNewMethod', fn);19    assert(myObj.myNewMethod === fn);20  });21});22  1 passing (9ms)23  1 passing (11ms)24  1 passing (11ms)25  1 passing (11ms)26  1 passing (11ms)27  1 passing (11ms)Using AI Code Generation
1var sinon = require('sinon');2var expect = require('chai').expect;3function addIfDefined(obj, key, value) {4    if (value !== undefined) {5        obj[key] = value;6    }7}8function addIfDefined2(obj, key, value) {9    if (value !== undefined) {10        obj[key] = value;11    }12}13describe('addIfDefined', function() {14    it('should add property to object if value is defined', function() {15        var obj = {};16        addIfDefined(obj, 'test', 'test');17        expect(obj).to.have.property('test', 'test');18    });19    it('should not add property to object if value is not defined', function() {20        var obj = {};21        addIfDefined(obj, 'test', undefined);22        expect(obj).to.not.have.property('test');23    });24});25describe('addIfDefined2', function() {26    it('should add property to object if value is defined', function() {27        var obj = {};28        addIfDefined2(obj, 'test', 'test');29        expect(obj).to.have.property('test', 'test');30    });31    it('should not add property to object if value is not defined', function() {32        var obj = {};33        addIfDefined2(obj, 'test', undefined);34        expect(obj).to.not.have.property('test');35    });36});37describe('addIfDefined', function() {38    it('should add property to object if value is defined', function() {39        var obj = {};40        sinon.stub(obj, 'addIfDefined');41        addIfDefined(obj, 'test', 'test');42        expect(obj.addIfDefined).to.have.been.calledWith(obj, 'test', 'test');43    });44    it('should not add property to object if value is not defined', function() {45        var obj = {};46        sinon.stub(obj, 'addIfDefined');47        addIfDefined(obj, 'test', undefined);48        expect(obj.addIfDefined).to.have.been.calledWith(obj, 'test', undefined);49    });50});51describe('addIfDefined2', function() {52    it('should add property to object if value is defined', function() {53        var obj = {};54        sinon.stub(obj, 'addIfLearn 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.
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