Best JavaScript code snippet using sinon
call_test.js
Source:call_test.js  
...353            "invokes only argument as callback": function () {354                var callback = sinon.spy();355                var thisObj = { name1: "value1", name2: "value2" };356                this.args.push(callback);357                this.call.yieldOn(thisObj);358                assert(callback.calledOnce);359                assert(callback.calledOn(thisObj));360                assert.equals(callback.args[0].length, 0);361            },362            "throws understandable error if no callback is passed": function () {363                var call = this.call;364                var thisObj = { name1: "value1", name2: "value2" };365                try {366                    call.yieldOn(thisObj);367                    throw new Error();368                } catch (e) {369                    assert.equals(e.message, "spy cannot yield since no callback was passed.");370                }371            },372            "includes stub name and actual arguments in error": function () {373                this.proxy.displayName = "somethingAwesome";374                this.args.push(23, 42);375                var call = this.call;376                var thisObj = { name1: "value1", name2: "value2" };377                try {378                    call.yieldOn(thisObj);379                    throw new Error();380                } catch (e) {381                    assert.equals(e.message, "somethingAwesome cannot yield since no callback was passed. " +382                                  "Received [23, 42]");383                }384            },385            "invokes last argument as callback": function () {386                var spy = sinon.spy();387                var thisObj = { name1: "value1", name2: "value2" };388                this.args.push(24, {}, spy);389                this.call.yieldOn(thisObj);390                assert(spy.calledOnce);391                assert.equals(spy.args[0].length, 0);392                assert(spy.calledOn(thisObj));393            },394            "invokes first of two callbacks": function () {395                var spy = sinon.spy();396                var spy2 = sinon.spy();397                var thisObj = { name1: "value1", name2: "value2" };398                this.args.push(24, {}, spy, spy2);399                this.call.yieldOn(thisObj);400                assert(spy.calledOnce);401                assert(spy.calledOn(thisObj));402                assert.isFalse(spy2.called);403            },404            "invokes callback with arguments": function () {405                var obj = { id: 42 };406                var spy = sinon.spy();407                var thisObj = { name1: "value1", name2: "value2" };408                this.args.push(spy);409                this.call.yieldOn(thisObj, obj, "Crazy");410                assert(spy.calledWith(obj, "Crazy"));411                assert(spy.calledOn(thisObj));412            },413            "throws if callback throws": function () {414                this.args.push(function () {415                    throw new Error("d'oh!");416                });417                var call = this.call;418                var thisObj = { name1: "value1", name2: "value2" };419                assert.exception(function () {420                    call.yieldOn(thisObj);421                });422            }423        },...call-test.js
Source:call-test.js  
...345            "invokes only argument as callback": function () {346                var callback = sinon.spy();347                var thisObj = { name1: "value1", name2: "value2" };348                this.args.push(callback);349                this.call.yieldOn(thisObj);350                assert(callback.calledOnce);351                assert(callback.calledOn(thisObj));352                assert.equals(callback.args[0].length, 0);353            },354            "throws understandable error if no callback is passed": function () {355                var call = this.call;356                var thisObj = { name1: "value1", name2: "value2" };357                try {358                    call.yieldOn(thisObj);359                    throw new Error();360                } catch (e) {361                    assert.equals(e.message, "spy cannot yield since no callback was passed.");362                }363            },364            "includes stub name and actual arguments in error": function () {365                this.proxy.displayName = "somethingAwesome";366                this.args.push(23, 42);367                var call = this.call;368                var thisObj = { name1: "value1", name2: "value2" };369                try {370                    call.yieldOn(thisObj);371                    throw new Error();372                } catch (e) {373                    assert.equals(e.message, "somethingAwesome cannot yield since no callback was passed. " +374                                  "Received [23, 42]");375                }376            },377            "invokes last argument as callback": function () {378                var spy = sinon.spy();379                var thisObj = { name1: "value1", name2: "value2" };380                this.args.push(24, {}, spy);381                this.call.yieldOn(thisObj);382                assert(spy.calledOnce);383                assert.equals(spy.args[0].length, 0);384                assert(spy.calledOn(thisObj));385            },386            "invokes first of two callbacks": function () {387                var spy = sinon.spy();388                var spy2 = sinon.spy();389                var thisObj = { name1: "value1", name2: "value2" };390                this.args.push(24, {}, spy, spy2);391                this.call.yieldOn(thisObj);392                assert(spy.calledOnce);393                assert(spy.calledOn(thisObj));394                assert.isFalse(spy2.called);395            },396            "invokes callback with arguments": function () {397                var obj = { id: 42 };398                var spy = sinon.spy();399                var thisObj = { name1: "value1", name2: "value2" };400                this.args.push(spy);401                this.call.yieldOn(thisObj, obj, "Crazy");402                assert(spy.calledWith(obj, "Crazy"));403                assert(spy.calledOn(thisObj));404            },405            "throws if callback throws": function () {406                this.args.push(function () {407                    throw new Error("d'oh!");408                });409                var call = this.call;410                var thisObj = { name1: "value1", name2: "value2" };411                assert.exception(function () {412                    call.yieldOn(thisObj);413                });414            }415        },...Using AI Code Generation
1var sinon = require('sinon');2var obj = {3  method: function (arg1, arg2, callback) {4    callback(arg1, arg2);5  }6};7var spy = sinon.spy(obj, "method");8obj.method("foo", "bar", function (arg1, arg2) {9  console.log(arg1, arg2);10});11var callback = spy.args[0][2];12callback("baz", "quux");13var spy = sinon.spy(obj, "method");14spy.yieldOn(obj, "baz", "quux");15var spy = sinon.spy(obj, "method");16spy.yieldOn(obj, "baz", "quux");17var spy = sinon.spy(obj, "method");18spy.yieldOn(obj, "baz", "quux");19var spy = sinon.spy(obj, "method");20spy.yieldOn(obj, "baz", "quux");21var spy = sinon.spy(obj, "method");22spy.yieldOn(obj, "baz", "quux");23var spy = sinon.spy(obj, "method");24spy.yieldOn(obj, "baz", "quux");25var spy = sinon.spy(obj, "method");26spy.yieldOn(obj, "baz", "quux");27var spy = sinon.spy(obj, "method");28spy.yieldOn(obj, "baz", "quux");Using AI Code Generation
1var sinon = require('sinon');2var obj = {3    method: function (arg1, arg2, callback) {4        callback(null, arg1 + arg2);5    }6};7var spy = sinon.spy(obj, "method");8obj.method(1, 2, function (err, result) {9    console.log(result);10});11spy.yieldOn(obj, 1, 2);12var sinon = require('sinon');13var obj = {14    method: function (arg1, arg2, callback) {15        callback(null, arg1 + arg2);16    }17};18var spy = sinon.spy(obj, "method");19obj.method(1, 2, function (err, result) {20    console.log(result);21});22spy.yieldOn(obj, 1, 2);23var sinon = require('sinon');24var obj = {25    method: function (arg1, arg2, callback) {26        callback(null, arg1 + arg2);27    }28};29var spy = sinon.spy(obj, "method");30obj.method(1, 2, function (err, result) {31    console.log(result);32});33spy.yieldOn(obj, 1, 2);34var sinon = require('sinon');35var obj = {36    method: function (arg1, arg2, callback) {37        callback(null, arg1 + arg2);38    }39};40var spy = sinon.spy(obj, "method");41obj.method(1, 2, function (err, result) {42    console.log(result);43});44spy.yieldOn(obj, 1, 2);45var sinon = require('sinon');46var obj = {47    method: function (arg1, arg2, callback) {48        callback(null, arg1 + arg2);49    }50};51var spy = sinon.spy(obj, "method");52obj.method(1, 2, function (err, result) {53    console.log(result);54});Using AI Code Generation
1var sinon = require('sinon');2var assert = require('assert');3var obj = {4  foo: function (arg1, arg2, callback) {5    console.log('foo called with ' + arg1 + ' and ' + arg2);6    callback();7  }8};9var spy = sinon.spy(obj, 'foo');10obj.foo('hello', 'world', function () {11  console.log('callback called');12});13assert(spy.calledOnce);14assert(spy.calledWith('hello', 'world'));15assert(spy.calledOn(obj));16assert(spy.calledWithMatch('hell'));17assert(spy.alwaysCalledWithMatch('hell'));18assert(spy.alwaysCalledWithMatch(/hell/));19assert(spy.neverCalledWith('goodbye'));20assert(spy.calledWith('hello', 'world'));21assert(spy.calledWithMatch('hell'));22assert(spy.alwaysCalledWithMatch('hell'));23assert(spy.alwaysCalledWithMatch(/hell/));24assert(spy.neverCalledWith('goodbye'));25assert(spy.calledWith('hello', 'world'));26assert(spy.calledWithMatch('hell'));27assert(spy.alwaysCalledWithMatch('hell'));28assert(spy.alwaysCalledWithMatch(/hell/));29assert(spy.neverCalledWith('goodbye'));30assert(spy.calledWith('hello', 'world'));31assert(spy.calledWithMatch('hell'));32assert(spy.alwaysCalledWithMatch('hell'));33assert(spy.alwaysCalledWithMatch(/hell/));34assert(spy.neverCalledWith('goodbye'));35assert(spy.calledWith('hello', 'world'));36assert(spy.calledWithMatch('hell'));37assert(spy.alwaysCalledWithMatch('hell'));38assert(spy.alwaysCalledWithMatch(/hell/));39assert(spy.neverCalledWith('goodbye'));40assert(spy.calledWith('hello', 'world'));41assert(spy.calledWithMatch('hell'));42assert(spy.alwaysCalledWithMatch('hell'));43assert(spy.alwaysCalledWithMatch(/hell/));44assert(spy.neverCalledWith('goodbye'));45assert(spy.calledWith('hello', 'world'));46assert(spy.calledWithMatch('hell'));47assert(spy.alwaysCalledWithMatch('hell'));48assert(spy.alwaysCalledWithMatch(/hell/));49assert(spy.neverCalledWith('goodbye'));50assert(spy.calledWith('hello', 'world'));51assert(spy.calledWithMatch('hell'));Using AI Code Generation
1var obj = {2    method: function (callback) {3        callback();4    }5};6var spy = sinon.spy(obj, "method");7obj.method(function () {8    console.log("callback");9});10spy.yieldOn(obj);11var obj = {12    method: function (callback) {13        callback();14    }15};16var spy = sinon.spy(obj, "method");17obj.method(function () {18    console.log("callback");19});20spy.yieldTo(obj, "method");21var obj = {22    method: function (callback) {23        callback();24    }25};26var spy = sinon.spy(obj, "method");27obj.method(function () {28    console.log("callback");29});30spy.yieldTo(obj, "method");31var obj = {32    method: function (callback) {33        callback();34    }35};36var spy = sinon.spy(obj, "method");37obj.method(function () {38    console.log("callback");39});40spy.yieldTo(obj, "method");41var obj = {42    method: function (callback) {43        callback();44    }45};46var spy = sinon.spy(obj, "method");47obj.method(function () {48    console.log("callback");49});50spy.yieldTo(obj, "method");51var obj = {52    method: function (callback) {53        callback();54    }55};56var spy = sinon.spy(obj, "method");57obj.method(function () {58    console.log("callback");59});60spy.yieldTo(obj, "method");61var obj = {62    method: function (callback) {63        callback();64    }65};66var spy = sinon.spy(obj, "method");67obj.method(function () {68    console.log("callback");69});70spy.yieldTo(obj, "method");Using AI Code Generation
1var sinon = require('sinon');2var chai = require('chai');3var expect = chai.expect;4var assert = chai.assert;5var should = chai.should();6var myCallback = function(err, data) {7    if (err) {8        console.log('error occured');9    } else {10        console.log('no error');11    }12}13var myCallbackSpy = sinon.spy(myCallback);14var myCallbackStub = sinon.stub();15myCallbackStub.yields(null, 'data');16var myCallbackStub2 = sinon.stub();17myCallbackStub2.yields('error', null);18describe('testing callback', function() {19    it('should call the callback function', function() {20        myCallbackSpy('error', 'data');21        myCallbackSpy.called.should.be.true;22    });23    it('should call the callback function with no error', function() {24        myCallbackStub();25        myCallbackStub.called.should.be.true;26        myCallbackStub.calledWith(null, 'data').should.be.true;27    });28    it('should call the callback function with error', function() {29        myCallbackStub2();30        myCallbackStub2.called.should.be.true;31        myCallbackStub2.calledWith('error', null).should.be.true;32    });33});34{35    "scripts": {36    },37    "dependencies": {38    },39    "devDependencies": {40    }41}42Sinon.js - Fake Server with RespondWith Method (JSON Response)43Sinon.js - Fake Server with RespondWith Method (XML Response)44Sinon.js - Fake Server with RespondWith Method (JSONP Response)45Sinon.js - Fake Server with RespondWith Method (Function Response)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.
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