Best JavaScript code snippet using sinon
application-test.js
Source:application-test.js  
1import { module } from 'qunit';2import test from 'ember-sinon-qunit/test-support/test';3import { setupTest } from 'ember-qunit';4module('Unit | Adapter | application', function(hooks) {5  setupTest(hooks);6  // Replace this with your real tests.7  test('it exists', function(assert) {8    const adapter = this.owner.lookup('adapter:application');9    assert.ok(adapter);10  });11  test('slugFromURL returns the slug (on the assumptions its the last chunk of the url)', function(assert) {12    const adapter = this.owner.lookup('adapter:application');13    const decode = this.stub().returnsArg(0);14    const expected = 'slug';15    const actual = adapter.slugFromURL({ pathname: `/this/is/a/url/with/a/${expected}` }, decode);16    assert.equal(actual, expected);17    assert.ok(decode.calledOnce);18  });19  test("uidForURL returns the a 'unique' hash for the uid using the entire url", function(assert) {20    const adapter = this.owner.lookup('adapter:application');21    const hash = this.stub().returnsArg(0);22    const expected = ['dc-1', 'slug'];23    const url = {24      pathname: `/this/is/a/url/with/a/${expected[1]}`,25      searchParams: {26        get: this.stub().returns('dc-1'),27      },28    };29    const actual = adapter.uidForURL(url, '', hash);30    assert.deepEqual(actual, expected);31    assert.ok(hash.calledOnce);32    assert.ok(url.searchParams.get.calledOnce);33  });34  test("uidForURL returns the a 'unique' hash for the uid when specifying the slug", function(assert) {35    const adapter = this.owner.lookup('adapter:application');36    const hash = this.stub().returnsArg(0);37    const expected = ['dc-1', 'slug'];38    const url = {39      searchParams: {40        get: this.stub().returns('dc-1'),41      },42    };43    const actual = adapter.uidForURL(url, expected[1], hash);44    assert.deepEqual(actual, expected);45    assert.ok(hash.calledOnce);46    assert.ok(url.searchParams.get.calledOnce);47  });48  test("uidForURL throws an error if it can't find a datacenter on the search params", function(assert) {49    const adapter = this.owner.lookup('adapter:application');50    const hash = this.stub().returnsArg(0);51    const expected = ['dc-1', 'slug'];52    const url = {53      pathname: `/this/is/a/url/with/a/${expected[1]}`,54      searchParams: {55        get: this.stub().returns(''),56      },57    };58    assert.throws(function() {59      adapter.uidForURL(url, expected[1], hash);60    }, /datacenter/);61    assert.ok(url.searchParams.get.calledOnce);62  });63  test("uidForURL throws an error if it can't find a slug", function(assert) {64    const adapter = this.owner.lookup('adapter:application');65    const hash = this.stub().returnsArg(0);66    const url = {67      pathname: `/`,68      searchParams: {69        get: this.stub().returns('dc-1'),70      },71    };72    assert.throws(function() {73      adapter.uidForURL(url, '', hash);74    }, /slug/);75    assert.ok(url.searchParams.get.calledOnce);76  });77  test("uidForURL throws an error if it can't find a slug", function(assert) {78    const adapter = this.owner.lookup('adapter:application');79    const hash = this.stub().returnsArg(0);80    const url = {81      pathname: `/`,82      searchParams: {83        get: this.stub().returns('dc-1'),84      },85    };86    assert.throws(function() {87      adapter.uidForURL(url, '', hash);88    }, /slug/);89    assert.ok(url.searchParams.get.calledOnce);90  });91  test('handleBooleanResponse returns the expected pojo structure', function(assert) {92    const adapter = this.owner.lookup('adapter:application');93    adapter.uidForURL = this.stub().returnsArg(0);94    const expected = {95      'primary-key-name': 'url',96    };97    const actual = adapter.handleBooleanResponse('url', {}, Object.keys(expected)[0], 'slug');98    assert.deepEqual(actual, expected);99    assert.ok(adapter.uidForURL.calledOnce);100  });101  test('handleSingleResponse returns the expected pojo structure', function(assert) {102    const adapter = this.owner.lookup('adapter:application');103    const url = {104      pathname: `/`,105      searchParams: {106        get: this.stub().returns('dc-1'),107      },108    };109    adapter.uidForURL = this.stub().returns('name');110    const expected = {111      Datacenter: 'dc-1',112      Name: 'name',113      'primary-key-name': 'name',114    };115    const actual = adapter.handleSingleResponse(url, { Name: 'name' }, 'primary-key-name', 'Name');116    assert.deepEqual(actual, expected);117    assert.ok(adapter.uidForURL.calledOnce);118  });119  test('handleBatchResponse returns the expected pojo structure', function(assert) {120    const adapter = this.owner.lookup('adapter:application');121    const url = {122      pathname: `/`,123      searchParams: {124        get: this.stub().returns('dc-1'),125      },126    };127    adapter.uidForURL = this.stub().returnsArg(1);128    const expected = [129      {130        Datacenter: 'dc-1',131        Name: 'name1',132        'primary-key-name': 'name1',133      },134      {135        Datacenter: 'dc-1',136        Name: 'name2',137        'primary-key-name': 'name2',138      },139    ];140    const actual = adapter.handleBatchResponse(141      url,142      [{ Name: 'name1' }, { Name: 'name2' }],143      'primary-key-name',144      'Name'145    );146    assert.deepEqual(actual, expected);147    assert.ok(adapter.uidForURL.calledTwice);148  });...buildscript-test.js
Source:buildscript-test.js  
...41		afterEach(function() {42			Build.prototype.readAndParseFile.restore();43		});44		it('should return a camelcased filename', function() {45			this.stub.returns(okConfigs.blocket);46			var fileName = build.getBuildFileName('./configs/blocket.json');47			expect(fileName).to.eq('autoTrackerBlocket.min.js');48			this.stub.returns(okConfigs.generic);49			fileName = build.getBuildFileName('./configs/generic.json');50			expect(fileName).to.eq('autoTracker.min.js');51		});52	});53	describe('capitalizeFirstLetter', function() {54		it('should always be just uppercase first letter', function() {55			expect(build.capitalizeFirstLetter('blocket')).to.eq('Blocket');56			expect(build.capitalizeFirstLetter('Blocket')).to.eq('Blocket');57			expect(build.capitalizeFirstLetter('BLOCKET')).to.eq('Blocket');58			expect(build.capitalizeFirstLetter('bLOCKET')).to.eq('Blocket');59		});60	});61	describe('isValidFile', function() {62		beforeEach(function() {63			this.stub = sinon.stub(Build.prototype, 'readAndParseFile');64		});65		afterEach(function() {66			Build.prototype.readAndParseFile.restore();67		});68		it('should not throw if no errors', function() {69			this.stub.returns(okConfigs.blocket);70			expect(function() {71				build.isValidFile('');72			}).to.not.throw();73			this.stub.returns(okConfigs.generic);74			expect(function() {75				build.isValidFile('');76			}).to.not.throw();77			this.stub.returns(okConfigs.finn);78			expect(function() {79				build.isValidFile('');80			}).to.not.throw();81			this.stub.returns(okConfigs.vg);82			expect(function() {83				build.isValidFile('');84			}).to.not.throw();85			this.stub.returns(okConfigs.bt);86			expect(function() {87				build.isValidFile('');88			}).to.not.throw();89		});90		it('should throw error when config is faulty', function() {91			this.stub.returns(faultyConfigs.blocket);92			expect(function() {93				build.isValidFile('');94			}).to.throw('Client ID should only be lowercase a-z');95			this.stub.returns(faultyConfigs.generic);96			expect(function() {97				build.isValidFile('');98			}).to.throw('Throttle must be between 0 and 1');99			this.stub.returns(faultyConfigs.finn);100			expect(function() {101				build.isValidFile('Throttle is undefined or not a number');102			}).to.throw(Error);103			this.stub.returns(faultyConfigs.vg);104			expect(function() {105				build.isValidFile('');106			}).to.throw('Config should be an array in');107			this.stub.returns(faultyConfigs.bt);108			expect(function() {109				build.isValidFile('');110			}).to.throw('Throttle is undefined or not a number');111			this.stub.returns(faultyConfigs.prisjakt);112			expect(function() {113				build.isValidFile('');114			}).to.throw('Client ID not valid');115			this.stub.returns(faultyConfigs.lendo);116			expect(function() {117				build.isValidFile('');118			}).to.throw('There should be at lease one object in config');119			this.stub.returns(faultyConfigs.lbc);120			expect(function() {121				build.isValidFile('');122			}).to.throw('data-collector is not a string');123			this.stub.returns(faultyConfigs.aftonbladet);124			expect(function() {125				build.isValidFile('');126			}).to.throw('cis is not a string');127			this.stub.returns(faultyConfigs.svd);128			expect(function() {129				build.isValidFile('');130			}).to.throw('data-collector is not a URL');131			this.stub.returns(faultyConfigs.aftenposten);132			expect(function() {133				build.isValidFile('');134			}).to.throw('cis is not a URL');135		});136	});...Using AI Code Generation
1var stub = sinon.stub();2stub.returns(42);3stub();4var stub = sinon.stub();5stub.returnsArg(0);6stub(42);7var stub = sinon.stub();8stub.returnsThis();9stub(42);10var stub = sinon.stub();11stub.throws();12stub();13var stub = sinon.stub();14stub.throwsArg(0);15stub(42);16var stub = sinon.stub();17stub.throwsException(42);18stub();19var stub = sinon.stub();20stub.yields();21stub(42);22var stub = sinon.stub();23stub.yieldsArg(0);24stub(42);25var stub = sinon.stub();26stub.yieldsOn(stub, 42);27stub(42);28var stub = sinon.stub();29stub.yieldsTo('foo', 42);30stub(42);31var stub = sinon.stub();32stub.yieldsToOn('foo', stub, 42);33stub(42);34var stub = sinon.stub();35stub.yieldsRight(42);36stub(42);37var stub = sinon.stub();38stub.yieldsToRight('foo', 42);39stub(42);40var stub = sinon.stub();41stub.yieldsToOnRight('foo', stub, 42);42stub(42);43var stub = sinon.stub();Using AI Code Generation
1const sinon = require('sinon');2const chai = require('chai');3const expect = chai.expect;4const chaiAsPromised = require('chai-as-promised');5chai.use(chaiAsPromised);6const test = require('../test.js');7describe('Test', () => {8  beforeEach(() => {9    sinon.stub(test, 'test');10  });11  afterEach(() => {12    test.test.restore();13  });14  it('should return 1', () => {15    test.test.returns(1);16    expect(test.test()).to.equal(1);17  });18  it('should return 2', () => {19    test.test.returns(2);20    expect(test.test()).to.equal(2);21  });22});23const test = () => {24  return 1;25}26module.exports = {27};Using AI Code Generation
1const sinon = require('sinon');2const assert = require('assert');3const myStub = sinon.stub();4myStub.returns('foo');5assert.equal(myStub(), 'foo');6const sinon = require('sinon');7const assert = require('assert');8const myStub = sinon.stub();9myStub.returns('foo');10assert.equal(myStub(), 'foo');11const sinon = require('sinon');12const assert = require('assert');13const myStub = sinon.stub();14myStub.returns('foo');15assert.equal(myStub(), 'foo');16const sinon = require('sinon');17const assert = require('assert');18const myStub = sinon.stub();19myStub.returns('foo');20assert.equal(myStub(), 'foo');21const sinon = require('sinon');22const assert = require('assert');23const myStub = sinon.stub();24myStub.returns('foo');25assert.equal(myStub(), 'foo');26const sinon = require('sinon');27const assert = require('assert');28const myStub = sinon.stub();29myStub.returns('foo');30assert.equal(myStub(), 'foo');31const sinon = require('sinon');32const assert = require('assert');33const myStub = sinon.stub();34myStub.returns('foo');35assert.equal(myStub(), 'foo');36const sinon = require('sinon');37const assert = require('assert');38const myStub = sinon.stub();39myStub.returns('foo');40assert.equal(myStub(), 'foo');41const sinon = require('sinon');42const assert = require('assert');43const myStub = sinon.stub();44myStub.returns('foo');45assert.equal(myStub(), 'foo');Using AI Code Generation
1var sinon = require('sinon');2var myStub = sinon.stub();3myStub.returns(42);4var result = myStub();5console.log(result);6var sinon = require('sinon');7var myStub = sinon.stub();8myStub.returnsArg(0);9var result = myStub(42);10console.log(result);11var sinon = require('sinon');12var myStub = sinon.stub();13myStub.returnsThis();14var obj = {15};16var result = obj.myStub();17console.log(result === obj);18var sinon = require('sinon');19var myStub = sinon.stub();20myStub.throws("Error");21try {22    myStub();23} catch (e) {24    console.log(e);25}26var sinon = require('sinon');27var myStub = sinon.stub();28myStub.throwsArg(0);29try {30    myStub("Error");31} catch (e) {32    console.log(e);33}34var sinon = require('sinon');35var myStub = sinon.stub();36myStub.throwsException(new Error("Error"));37try {38    myStub();39} catch (e) {40    console.log(e);41}42var sinon = require('sinon');43var myStub = sinon.stub();44myStub.yields();45myStub(function (err, result) {46    console.log(result);47});48var sinon = require('sinon');49var myStub = sinon.stub();50myStub.yieldsOn(this, 1, 2, 3);51myStub(function (err, result) {52    console.log(result);53});Using AI Code Generation
1var sinon = require('sinon');2var myModule = require('myModule');3var myModuleStub = sinon.stub(myModule, 'myMethod');4myModuleStub.returns('value');5var sinon = require('sinon');6var myModule = require('myModule');7var myModuleStub = sinon.stub(myModule, 'myMethod');8myModuleStub.yields('value');9var sinon = require('sinon');10var myModule = require('myModule');11var myModuleStub = sinon.stub(myModule, 'myMethod');12myModuleStub.yieldsOn(this, 'value');13var sinon = require('sinon');14var myModule = require('myModule');15var myModuleStub = sinon.stub(myModule, 'myMethod');16myModuleStub.yieldsTo('success', 'value');17var sinon = require('sinon');18var myModule = require('myModule');19var myModuleStub = sinon.stub(myModule, 'myMethod');20myModuleStub.withArgs('value').returns('value');21var sinon = require('sinon');22var myModule = require('myModule');23var myModuleStub = sinon.stub(myModule, 'myMethod');24myModuleStub.withArgs('value').returns('value');25var sinon = require('sinon');26var myModule = require('myModule');27var myModuleStub = sinon.stub(myModule, 'myMethod');28myModuleStub.withArgs('value').returns('value');Using AI Code Generation
1var sinon = require("sinon");2var assert = require("chai").assert;3var myModule = require("../myModule.js");4describe("My Module", function() {5  beforeEach(function() {6    this.stub = sinon.stub(myModule, "myMethod");7  });8  afterEach(function() {9    this.stub.restore();10  });11  it("should return 10", function() {12    this.stub.returns(10);13    assert.equal(myModule.myMethod(), 10);14  });15  it("should return 20", function() {16    this.stub.returns(20);17    assert.equal(myModule.myMethod(), 20);18  });19});20var myModule = {21  myMethod: function() {22    return 5;23  }24};25module.exports = myModule;Using AI Code Generation
1var sinon = require('sinon');2var chai = require('chai');3var expect = chai.expect;4describe('Test', function() {5  var obj = {6    method: function() {7      return 'hello';8    }9  };10  beforeEach(function() {11    sinon.stub(obj, 'method').returns('world');12  });13  afterEach(function() {14    obj.method.restore();15  });16  it('should return world', function() {17    expect(obj.method()).to.equal('world');18  });19});20var sinon = require('sinon');21var chai = require('chai');22var expect = chai.expect;23describe('Test', function() {24  var obj = {25    method: function() {26      return 'hello';27    }28  };29  beforeEach(function() {30    sinon.stub(obj, 'method').returns('world');31  });32  afterEach(function() {33    obj.method.restore();34  });35  it('should return world', function() {36    expect(obj.method()).to.equal('world');37  });38});39var sinon = require('sinon');40var chai = require('chai');41var expect = chai.expect;42describe('Test', function() {43  var obj = {44    method: function() {45      return 'hello';46    }47  };48  beforeEach(function() {49    sinon.stub(obj, 'method').returns('world');50  });51  afterEach(function() {52    obj.method.restore();53  });54  it('should return world', function() {55    expect(obj.method()).to.equal('world');56  });57});58var sinon = require('sinon');59var chai = require('chai');60var expect = chai.expect;61describe('Test', function() {62  var obj = {63    method: function() {64      return 'hello';65    }66  };67  beforeEach(function() {68    sinon.stub(obj, 'method').returns('world');69  });70  afterEach(function() {71    obj.method.restore();72  });73  it('should return world', function() {74    expect(obj.method()).to.equal('world');75  });76});77var sinon = require('sinon');78var chai = require('chaiUsing AI Code Generation
1var test = require('./test');2var sinon = require('sinon');3var assert = require('assert');4describe('test', function() {5  beforeEach(function() {6    this.stub = sinon.stub(test, 'test');7  });8  afterEach(function() {9    this.stub.restore();10  });11  it('should call test', function() {12    this.stub.returns(1);13    var result = test.test();14    assert.equal(result, 1);15  });16});17exports.test = function() {18  return 2;19};20var test = require('./test');21var sinon = require('sinon');22var assert = require('assert');23describe('test', function() {24  beforeEach(function() {25    this.stub = sinon.stub(test, 'test');26  });27  afterEach(function() {28    this.stub.restore();29  });30  it('should call test', function() {31    this.stub.returns(1);32    var result = test.test();33    assert.equal(result, 1);34  });35  it('should call test1', function() {36    this.stub.returns(1);37    var result = test.test1();38    assert.equal(result, 1);39  });40});41exports.test = function() {42  return test.test1();43};44exports.test1 = function() {45  return 2;46};47I want to test test1() function. But I am not able to stub it. I want to stub test1() function and return 1 from it. How can I do that?48var test = require('./test');49var sinon = require('sinon');50var assert = require('assert');51describe('test', function() {52  beforeEach(function() {53    this.stub = sinon.stub(test, 'test');54  });55  afterEach(function() {56    this.stub.restore();57  });58  it('shouldUsing AI Code Generation
1var sinon = require('sinon');2var myObj = {3    myMethod: function(){4    }5}6var stub = sinon.stub(myObj, 'myMethod');7stub.returns('foo');8console.log(myObj.myMethod());9var sinon = require('sinon');10var myObj = {11    myMethod: function(){12    }13}14var stub = sinon.stub(myObj, 'myMethod');15stub.returns('foo');16console.log(myObj.myMethod());17var sinon = require('sinon');18var myObj = {19    myMethod: function(){20    }21}22var stub = sinon.stub(myObj, 'myMethod');23stub.returns('foo');24console.log(myObj.myMethod());25var sinon = require('sinon');26var myObj = {27    myMethod: function(){28    }29}30var stub = sinon.stub(myObj, 'myMethod');31stub.returns('foo');32console.log(myObj.myMethod());33var sinon = require('sinon');34var myObj = {35    myMethod: function(){36    }37}38var stub = sinon.stub(myObj, 'myMethod');39stub.returns('foo');40console.log(myObj.myMethod());41var sinon = require('sinon');42var myObj = {43    myMethod: function(){44    }45}46var stub = sinon.stub(myObj, 'myMethod');47stub.returns('foo');48console.log(myObj.myMethod());49var sinon = require('sinon');50var myObj = {Using AI Code Generation
1var sinon = require('sinon');2var assert = require('assert');3var myObject = require('./myObject.js');4var testObject = new myObject();5var test = function() {6    var stub = sinon.stub(testObject, 'myMethod');7    stub.returns('myValue');8    var result = testObject.myMethod();9    assert.equal(result, 'myValue');10    stub.restore();11};12test();13var myObject = function() {14};15myObject.prototype.myMethod = function() {16    return 'myMethod';17};18module.exports = myObject;19var sinon = require('sinon');20var assert = require('assert');21var myObject = require('./myObject.js');22var testObject = new myObject();23var test = function() {24    var spy = sinon.spy(testObject, 'myMethod');25    testObject.myMethod('myArg1', 'myArg2');26    assert.equal(spy.callCount, 1);27    assert(spy.calledWith('myArg1', 'myArg2'));28    spy.restore();29};30test();31var myObject = function() {32};33myObject.prototype.myMethod = function(arg1,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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