How to use fake.throws method in sinon

Best JavaScript code snippet using sinon

spec.js

Source:spec.js

...37    return expect(measured(behavior)).to.eventually.equal(result);38  });39  it('rejects with the wrapped rejection', () => {40    const error = new Error('the wrapped rejection');41    const behavior = fake.throws(error);42    return expect(measured(behavior)).to.be.rejectedWith(error);43  });44  describe('#onComplete()', () => {45    describe('when the wrapped behavior rejects', () => {46      it('is called once', async () => {47        const onComplete = fake();48        const behavior = fake.throws(new Error('the wrapped rejection'));49        try {50          await measured(behavior, { onComplete });51        } catch (ignore) {52          // We expect this to throw an error.53        }54        expect(onComplete).to.have.been.calledOnce;55      });56    });57    it('is called once', async () => {58      const onComplete = fake();59      const behavior = fake();60      await measured(behavior, { onComplete });61      expect(onComplete).to.have.been.calledOnce;62    });63    it('is given a startTime', async () => {64      const onComplete = fake();65      const behavior = fake();66      await measured(behavior, { onComplete });67      expect(onComplete.getCall(0).args[0]).to.have.property('startTime');68    });69    it('is given an endTime', async () => {70      const onComplete = fake();71      const behavior = fake();72      await measured(behavior, { onComplete });73      expect(onComplete.getCall(0).args[0]).to.have.property('endTime');74    });75    it('is given a duration', async () => {76      const onComplete = fake();77      const behavior = fake();78      await measured(behavior, { onComplete });79      expect(onComplete.getCall(0).args[0]).to.have.property('duration');80    });81  });82  describe('#onReject()', () => {83    describe('when the wrapped behavior resolves', () => {84      it('is not called', async () => {85        const onReject = fake();86        const behavior = fake();87        await measured(behavior, { onReject });88        expect(onReject).not.to.have.been.called;89      });90    });91    describe('when the wrapped behavior rejects', () => {92      it('is called once', async () => {93        const onReject = fake();94        const behavior = fake.throws(new Error('the wrapped rejection'));95        try {96          await measured(behavior, { onReject });97        } catch (ignore) {98          // We expect this to throw an error.99        }100        expect(onReject).to.have.been.calledOnce;101      });102      it('is given a startTime', async () => {103        const onReject = fake();104        const behavior = fake.throws(new Error('the wrapped rejection'));105        try {106          await measured(behavior, { onReject });107        } catch (ignore) {108          // We expect this to throw an error.109        }110        expect(onReject.getCall(0).args[0]).to.have.property('startTime');111      });112      it('is given an endTime', async () => {113        const onReject = fake();114        const behavior = fake.throws(new Error('the wrapped rejection'));115        try {116          await measured(behavior, { onReject });117        } catch (ignore) {118          // We expect this to throw an error.119        }120        expect(onReject.getCall(0).args[0]).to.have.property('endTime');121      });122      it('is given a duration', async () => {123        const onReject = fake();124        const behavior = fake.throws(new Error('the wrapped rejection'));125        try {126          await measured(behavior, { onReject });127        } catch (ignore) {128          // We expect this to throw an error.129        }130        expect(onReject.getCall(0).args[0]).to.have.property('duration');131      });132    });133  });134  describe('#onResolve()', () => {135    describe('when the wrapped behavior rejects', () => {136      it('is not called', async () => {137        const onResolve = fake();138        const behavior = fake.throws(new Error('the wrapped rejection'));139        try {140          await measured(behavior, { onResolve });141        } catch (ignore) {142          // We expect this to throw an error.143        }144        expect(onResolve).not.to.have.been.called;145      });146    });147    describe('when the wrapped behavior resolves', () => {148      it('is called once', async () => {149        const onResolve = fake();150        const behavior = fake();151        await measured(behavior, { onResolve });152        expect(onResolve).to.have.been.calledOnce;...

storage.spec.js

Source:storage.spec.js

...8        localStore.getItem('foo').should.equal('bar');9      });10      it('returns null if local storage throws an error', () => {11        localStorage.setItem('foo', 'bar');12        sinon.replaceGetter(window, 'localStorage', sinon.fake.throws('error'));13        should.not.exist(localStore.getItem('foo'));14      });15    });16    describe('setItem()', () => {17      it('sets an item', () => {18        localStore.setItem('foo', 'bar');19        localStorage.getItem('foo').should.equal('bar');20      });21      it('does nothing if local storage throws an error', () => {22        const storage = localStorage;23        sinon.replaceGetter(window, 'localStorage', sinon.fake.throws('error'));24        localStore.setItem('foo', 'bar');25        should.not.exist(storage.getItem('foo'));26      });27    });28    describe('removeItem()', () => {29      it('removes an item', () => {30        localStorage.setItem('foo', 'bar');31        localStore.removeItem('foo');32        should.not.exist(localStorage.getItem('foo'));33      });34      it('does nothing if local storage throws an error', () => {35        localStorage.setItem('foo', 'bar');36        const storage = localStorage;37        sinon.replaceGetter(window, 'localStorage', sinon.fake.throws('error'));38        localStore.removeItem('foo');39        storage.getItem('foo').should.equal('bar');40      });41    });42  });...

logAnalyzer2.test.js

Source:logAnalyzer2.test.js

1const logAnalyzer2Factory = require('./logAnalyzer2');2// this fake right now will be used as a stub3const fakeThrowsErrorWebServiceFactory = require('./fakes/fakeThrowsErrorWebService');4// this fake right now will be used as a mock5const fakeEmailFactory = require('./fakes/fakeEmailService');6describe('analyze', () => {7    let fakeThrowsErrorWebWebService;8    let fakeEmailService;9    beforeEach(() => {10        fakeThrowsErrorWebWebService = fakeThrowsErrorWebServiceFactory();11        fakeEmailService = fakeEmailFactory();12    });13    it('too short file calls webService', () => {14        const logAnalyzer = logAnalyzer2Factory(15            fakeThrowsErrorWebWebService,16            fakeEmailService17        );18        const expectedMessage = "can't log";19        logAnalyzer.analyze('johndoe');20        expect(fakeEmailService.getLastMessage()).toBe(expectedMessage);21    });...

Using AI Code Generation

1var fake = require('sinon').fake;2var obj = { method: function() {} };3var fakeObj = fake.throws();4obj.method = fakeObj;5obj.method();6var fake = require('sinon').fake;7var obj = { method: function() {} };8var fakeObj = fake.yields();9obj.method = fakeObj;10obj.method(function() { console.log('callback called'); });11var fake = require('sinon').fake;12var obj = { method: function() {} };13var fakeObj = fake.yieldsRight();14obj.method = fakeObj;15obj.method(function() { console.log('callback called'); });16var fake = require('sinon').fake;17var obj = { method: function() {} };18var fakeObj = fake.yieldsOn(obj);19obj.method = fakeObj;20obj.method(function() { console.log('callback called'); });21var fake = require('sinon').fake;22var obj = { method: function() {} };23var fakeObj = fake.yieldsTo('callback');24obj.method = fakeObj;25obj.method(function() { console.log('callback called'); });26console.log(fakeObj

Using AI Code Generation

1var sinon = require('sinon');2var assert = require('chai').assert;3var fake = require('./fake');4var fakeObj = new fake();5var fakeObj2 = new fake();6var fakeObj3 = new fake();7var fakeObj4 = new fake();8var fakeObj5 = new fake();9var fakeObj6 = new fake();10var fakeObj7 = new fake();11var fakeObj8 = new fake();12var fakeObj9 = new fake();13var fakeObj10 = new fake();14var fakeObj11 = new fake();15var fakeObj12 = new fake();16var fakeObj13 = new fake();17var fakeObj14 = new fake();18var fakeObj15 = new fake();19var fakeObj16 = new fake();20var fakeObj17 = new fake();21var fakeObj18 = new fake();22var fakeObj19 = new fake();23var fakeObj20 = new fake();24var fakeObj21 = new fake();25var fakeObj22 = new fake();26var fakeObj23 = new fake();27var fakeObj24 = new fake();28var fakeObj25 = new fake();29var fakeObj26 = new fake();30var fakeObj27 = new fake();31var fakeObj28 = new fake();32var fakeObj29 = new fake();33var fakeObj30 = new fake();34var fakeObj31 = new fake();35var fakeObj32 = new fake();36var fakeObj33 = new fake();37var fakeObj34 = new fake();38var fakeObj35 = new fake();39var fakeObj36 = new fake();40var fakeObj37 = new fake();41var fakeObj38 = new fake();42var fakeObj39 = new fake();43var fakeObj40 = new fake();44var fakeObj41 = new fake();45var fakeObj42 = new fake();46var fakeObj43 = new fake();47var fakeObj44 = new fake();48var fakeObj45 = new fake();49var fakeObj46 = new fake();50var fakeObj47 = new fake();51var fakeObj48 = new fake();52var fakeObj49 = new fake();53var fakeObj50 = new fake();54var fakeObj51 = new fake();55var fakeObj52 = new fake();56var fakeObj53 = new fake();57var fakeObj54 = new fake();58var fakeObj55 = new fake();59var fakeObj56 = new fake();60var fakeObj57 = new fake();61var fakeObj58 = new fake();62var fakeObj59 = new fake();

Using AI Code Generation

1var sinon = require('sinon');2var fake = sinon.fake.throws(new Error('Error!'));3fake();4var sinon = require('sinon');5var fake = sinon.fake.returns(42);6var value = fake();7var sinon = require('sinon');8var fake = sinon.fake.resolves(42);9fake().then(function(value) {10});11var sinon = require('sinon');12var fake = sinon.fake.rejects(new Error('Error!'));13fake().catch(function(error) {14});15var sinon = require('sinon');16var fake = sinon.fake.yields(null, 42);17fake(function(error, value) {18});19var sinon = require('sinon');20var fake = sinon.fake.yieldsOn({ foo: 42 }, null, 42);21fake(function(error, value) {22});23var sinon = require('sinon');24var fake = sinon.fake.yieldsTo('success', null, 42);25fake({26success: function(error, value) {27}28});29var sinon = require('sinon');30var fake = sinon.fake.yieldsToOn('success', { foo: 42 }, null, 42);31fake({32success: function(error, value) {33}34});35var sinon = require('sinon');36var fake = sinon.fake.returns(42);37fake.callsFake(function() {38return 43;39});40var sinon = require('sinon');41var fake = sinon.fake.returns(42);42fake.withArgs(1, 2, 3).returns(1);

Using AI Code Generation

1describe('test', function() {2  it('should throw an error', function() {3    var fake = sinon.fake.throws(new Error('test'));4    assert.throws(fake, Error);5  });6});

Using AI Code Generation

1var fake = sinon.fake();2fake.throws();3fake();4var fake = sinon.fake();5fake.throws(new Error('fake error thrown'));6fake();7var fake = sinon.fake();8fake.returns(42);9fake();10var fake = sinon.fake();11fake.returnsArg(0);12fake('foo', 'bar');13var fake = sinon.fake();14fake.returnsThis();15fake.call('foo', 'bar');16var fake = sinon.fake();17fake.returnsThis();18fake.call(undefined, 'bar');19var fake = sinon.fake();20fake.returnsThis();21fake.call(null, 'bar');22var fake = sinon.fake();23fake.returnsThis();24fake.call(0, 'bar');25var fake = sinon.fake();26fake.returnsThis();27fake.call('', 'bar');28var fake = sinon.fake();29fake.returnsThis();30fake.call(false, 'bar');31var fake = sinon.fake();32fake.returnsThis();33fake.call(true, 'bar');34var fake = sinon.fake();35fake.returnsThis();36fake.call({}, 'bar');37var fake = sinon.fake();38fake.returnsThis();39fake.call([], 'bar');40var fake = sinon.fake();41fake.returnsThis();42fake.call(function(){}, 'bar');43var fake = sinon.fake();44fake.returnsThis();45fake.call(/foo/, 'bar');

Using AI Code Generation

1var fake = require('sinon').fake;2function testFunction() {3    console.log("testFunction called");4}5var fakeFunction = fake.throws(new Error("error"));6fakeFunction();7var fake = require('sinon').fake;8function testFunction() {9    console.log("testFunction called");10}11var fakeFunction = fake.yields(new Error("error"));12fakeFunction();13var fake = require('sinon').fake;14function testFunction() {15    console.log("testFunction called");16}17var fakeFunction = fake.yieldsAsync(new Error("error"));18fakeFunction();19var fake = require('sinon').fake;20function testFunction() {21    console.log("testFunction called");22}23var fakeFunction = fake.yieldsOn(new Error("error"));24fakeFunction();25var fake = require('sinon').fake;26function testFunction() {27    console.log("testFunction called");28}29var fakeFunction = fake.yieldsTo(new Error("error"));30fakeFunction();31var fake = require('sinon').fake;32function testFunction() {33    console.log("testFunction called");34}35var fakeFunction = fake.yieldsToOn(new Error("error"));36fakeFunction();37var fake = require('sinon').fake;38function testFunction() {39    console.log("testFunction called");40}41var fakeFunction = fake.withArgs(new Error("error"));42fakeFunction();43var fake = require('sinon').fake;44function testFunction() {45    console.log("testFunction called");46}47var fakeFunction = fake.withThis(new Error("error"));48fakeFunction();49var fake = require('sinon').fake;50function testFunction() {51    console.log("testFunction called");52}53var fakeFunction = fake.yieldsOn(new Error("error"));54fakeFunction();

Using AI Code Generation

1var fake = sinon.fake.throws();2fake();3var fake = sinon.fake.returns('Hello World!');4fake();5var fake = sinon.fake();6fake.yields('Hello World!');7fake(function (arg) {8  console.log(arg);9});10var clock = sinon.useFakeTimers();11setTimeout(function () {12  console.log('Hello World!');13}, 1000);14clock.tick(1000);15- **server.respondWith(response)**: sets a

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