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How to use myFake method in sinon

Best JavaScript code snippet using sinon

fake-test.js

Source:fake-test.js

...122    describe(".returns", function() {123        it("should return a function that returns the argument", function() {124            var expected = 42;125            var myFake = fake.returns(expected);126            var actual = myFake();127            assert.equals(actual, expected);128        });129        verifyProxy(fake.returns, "42");130    });131    describe(".throws", function() {132        it("should return a function that throws an Error, that is the argument", function() {133            var expectedMessage = "42";134            var myFake = fake.throws(expectedMessage);135            assert.exception(function() {136                myFake();137            });138            /* eslint-disable no-restricted-syntax */139            try {140                myFake();141            } catch (error) {142                assert.equals(error.message, expectedMessage);143            }144            /* eslint-disable no-restricted-syntax */145        });146        verifyProxy(fake.throws, "42");147        it("should return the same error type as it is passed", function() {148            var expected = new TypeError("hello sailor");149            var myFake = fake.throws(expected);150            /* eslint-disable no-restricted-syntax */151            try {152                myFake();153            } catch (actual) {154                assert.isTrue(actual instanceof TypeError);155            }156            /* eslint-disable no-restricted-syntax */157        });158        describe("when passed a String", function() {159            it("should throw an Error", function() {160                var expected = "lorem ipsum";161                var myFake = fake.throws(expected);162                /* eslint-disable no-restricted-syntax */163                try {164                    myFake();165                } catch (actual) {166                    assert.isTrue(actual instanceof Error);167                }168                /* eslint-disable no-restricted-syntax */169            });170        });171    });172    describe(".resolves", function() {173        before(requirePromiseSupport);174        it("should return a function that resolves to the argument", function() {175            var expected = 42;176            var myFake = fake.resolves(expected);177            return myFake().then(function(actual) {178                assert.equals(actual, expected);179            });180        });181        verifyProxy(fake.resolves, "42");182    });183    describe(".rejects", function() {184        before(requirePromiseSupport);185        it("should return a function that rejects to the argument", function() {186            var expectedMessage = "42";187            var myFake = fake.rejects(expectedMessage);188            return myFake().catch(function(actual) {189                assert.equals(actual.message, expectedMessage);190            });191        });192        verifyProxy(fake.rejects, "42");193        it("should return the same error type as it is passed", function() {194            var expected = new TypeError("hello world");195            var myFake = fake.rejects(expected);196            return myFake().catch(function(actual) {197                assert.isTrue(actual instanceof TypeError);198            });199        });200        it("should reject with an Error when passed a String", function() {201            var expected = "lorem ipsum";202            var myFake = fake.rejects(expected);203            return myFake().catch(function(actual) {204                assert.isTrue(actual instanceof Error);205            });206        });207    });208    describe(".yields", function() {209        verifyProxy(fake.yields, noop, "42", "43");210        it("should call a callback with the provided values", function() {211            var callback = sinon.spy();212            var myFake = fake.yields("one", "two", "three");213            myFake(callback);214            sinon.assert.calledOnce(callback);215            sinon.assert.calledWith(callback, "one", "two", "three");216        });217        it("should call the last function argument", function() {218            var callback = sinon.spy();219            var myFake = fake.yields();220            myFake(function() {221                return;222            }, callback);223            sinon.assert.calledOnce(callback);224        });225        it("should throw if the last argument is not a function", function() {226            var myFake = fake.yields();227            assert.exception(function() {228                myFake(function() {229                    return;230                }, "not a function");231            }, /TypeError: Expected last argument to be a function/);232        });233    });234    describe(".yieldsAsync", function() {235        verifyProxy(fake.yieldsAsync, noop, "42", "43");236        it("should call the callback asynchronously with the provided values", function(done) {237            var callback = sinon.spy();238            var myFake = fake.yieldsAsync("one", "two", "three");239            myFake(callback);240            sinon.assert.notCalled(callback);241            setTimeout(function() {242                sinon.assert.calledOnce(callback);243                sinon.assert.calledWith(callback, "one", "two", "three");244                done();245            }, 0);246        });247        it("should call the last function argument", function(done) {248            var callback = sinon.spy();249            var myFake = fake.yieldsAsync();250            myFake(function() {251                return;252            }, callback);253            sinon.assert.notCalled(callback);254            setTimeout(function() {255                sinon.assert.calledOnce(callback);256                done();257            }, 0);258        });259        it("should throw if the last argument is not a function", function() {260            var myFake = fake.yieldsAsync();261            assert.exception(function() {262                myFake(function() {263                    return;264                }, "not a function");265            }, /TypeError: Expected last argument to be a function/);266        });267    });...

unit.test.data.js

Source:unit.test.data.js

1const sinon = require('sinon');2const expect = require('chai').expect3//TODO: add test to fully test controller logic4describe('Data layer', function() {5  context('cruises', function() {6    const Cruises = require('../../data/cruises');7    const cruises = new Cruises();8    it('should call getCruises', function() {9      let myfake = sinon.fake;10      sinon.replace(cruises, 'getCruises', myfake);11      spy = cruises.getCruises = sinon.spy();12      cruises.getCruises();13      expect(spy.calledOnce).to.equal(true);14    });15    it('should call getCruise', function() {16      let myfake = sinon.fake;17      sinon.replace(cruises, 'getCruise', myfake);18      spy = cruises.getCruise = sinon.spy();19      cruises.getCruise();20      expect(spy.calledOnce).to.equal(true);21    });22  });23  context('bookings', function() {24    const Bookings = require('../../data/bookings');25    const bookings = new Bookings();26    it('should call getBookings', function() {27      let myfake = sinon.fake;28      sinon.replace(bookings, 'getBookings', myfake);29      spy = bookings.getBookings = sinon.spy();30      bookings.getBookings();31      expect(spy.calledOnce).to.equal(true);32    });33    it('should call postBookings', function() {34      let myfake = sinon.fake;35      sinon.replace(bookings, 'postBookings', myfake);36      spy = bookings.postBookings = sinon.spy();37      bookings.postBookings();38      expect(spy.calledOnce).to.equal(true);39    });40    it('should call getBooking', function() {41      let myfake = sinon.fake;42      sinon.replace(bookings, 'getBooking', myfake);43      spy = bookings.getBooking = sinon.spy();44      bookings.getBooking();45      expect(spy.calledOnce).to.equal(true);46    });47    it('should call putBooking', function() {48      let myfake = sinon.fake;49      sinon.replace(bookings, 'putBooking', myfake);50      spy = bookings.putBooking = sinon.spy();51      bookings.putBooking();52      expect(spy.calledOnce).to.equal(true);53    });54    it('should call deleteBooking', function() {55      let myfake = sinon.fake;56      sinon.replace(bookings, 'deleteBooking', myfake);57      spy = bookings.deleteBooking = sinon.spy();58      bookings.deleteBooking();59      expect(spy.calledOnce).to.equal(true);60    });61  });62  context('customers', function() {63    const Customers = require('../../data/customers');64    const customers = new Customers();65    it('should call getCustomers', function() {66      let myfake = sinon.fake;67      sinon.replace(customers, 'getCustomers', myfake);68      spy = customers.getCustomers = sinon.spy();69      customers.getCustomers();70      expect(spy.calledOnce).to.equal(true);71    });72    it('should call postCustomers', function() {73      let myfake = sinon.fake;74      sinon.replace(customers, 'postCustomers', myfake);75      spy = customers.postCustomers = sinon.spy();76      customers.postCustomers();77      expect(spy.calledOnce).to.equal(true);78    });79    it('should call getCustomer', function() {80      let myfake = sinon.fake;81      sinon.replace(customers, 'getCustomer', myfake);82      spy = customers.getCustomer = sinon.spy();83      customers.getCustomer();84      expect(spy.calledOnce).to.equal(true);85    });86    it('should call putCustomer', function() {87      let myfake = sinon.fake;88      sinon.replace(customers, 'putCustomer', myfake);89      spy = customers.putCustomer = sinon.spy();90      customers.putCustomer();91      expect(spy.calledOnce).to.equal(true);92    });93    it('should call deleteCustomer', function() {94      let myfake = sinon.fake;95      sinon.replace(customers, 'deleteCustomer', myfake);96      spy = customers.deleteCustomer = sinon.spy();97      customers.deleteCustomer();98      expect(spy.calledOnce).to.equal(true);99    });100  });101});102afterEach(() => {103  sinon.restore();...

Using AI Code Generation

1const myFake = sinon.fake.returns(42);2console.log(myFake());3const myFake = sinon.fake.returns(42);4console.log(myFake());5const myFake = sinon.fake.returns(42);6console.log(myFake());7const myFake = sinon.fake.returns(42);8console.log(myFake());9const myFake = sinon.fake.returns(42);10console.log(myFake());11const myFake = sinon.fake.returns(42);12console.log(myFake());13const myFake = sinon.fake.returns(42);14console.log(myFake());15const assert = require('assert');16const myFake = sinon.fake.returns(42);17console.log(myFake());18assert.strictEqual(myFake.called, true);19const assert = require('assert');20const myFake = sinon.fake.returns(42);21console.log(myFake());22assert.strictEqual(myFake.called, true);23assert.strictEqual(myFake.callCount, 1);24const assert = require('assert');25const myFake = sinon.fake.returns(42);26console.log(myFake());27assert.strictEqual(myFake.called, true);28assert.strictEqual(myFake.callCount, 1);29assert.deepStrictEqual(myFake.firstCall.args, []);30const assert = require('assert');31const myFake = sinon.fake.returns(42);32console.log(myFake());33assert.strictEqual(myFake.called, true);34assert.strictEqual(myFake.callCount, 1);35assert.deepStrictEqual(myFake.firstCall.args, []);36assert.deepStrictEqual(myFake.lastCall.args, []);37const assert = require('assert');38const myFake = sinon.fake.returns(42);39console.log(myFake('foo', 'bar'));40assert.strictEqual(myFake.called, true);41assert.strictEqual(myFake.call

Using AI Code Generation

1const myFake = sinon.fake.returns(42);2test('myFake', () => {3  console.log(myFake());4  console.log(myFake());5  console.log(myFake());6  console.log(myFake());7});8const myFake = sinon.fake.returns(42);9test('myFake', () => {10  console.log(myFake());11  console.log(myFake());12  console.log(myFake());13  console.log(myFake());14});15const myFake = sinon.fake.returns(42);16test('myFake', () => {17  console.log(myFake());18  console.log(myFake());19  console.log(myFake());20  console.log(myFake());21});22const myFake = sinon.fake.returns(42);23test('myFake', () => {24  console.log(myFake());25  console.log(myFake());26  console.log(myFake());27  console.log(myFake());28});29const myFake = sinon.fake.returns(42);30test('myFake', () => {31  console.log(myFake());32  console.log(myFake());33  console.log(myFake());34  console.log(myFake());35});36const myFake = sinon.fake.returns(42);37test('myFake', () => {38  console.log(myFake());39  console.log(myFake());40  console.log(myFake());41  console.log(myFake());42});43const myFake = sinon.fake.returns(42);44test('myFake', () => {45  console.log(myFake());46  console.log(myFake());47  console.log(my

Using AI Code Generation

1var sinon = require('sinon');2var myFake = sinon.fake.returns(42);3myFake();4myFake();5myFake();6myFake();7myFake();8var sinon = require('sinon');

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 myFake = sinon.fake();7myFake();8myFake();9myFake();10sinon.assert.callCount(myFake, 3);11sinon.assert.calledOnce(myFake);12sinon.assert.calledTwice(myFake);13sinon.assert.calledThrice(myFake);

Using AI Code Generation

1describe("myFake", function () {2  var myFake = sinon.fake();3  it("should be a fake", function () {4    expect(myFake).to.be.a("function");5  });6  it("should not have been called", function () {7    expect(myFake).not.to.have.been.called;8  });9  it("should have been called once", function () {10    myFake();11    expect(myFake).to.have.been.calledOnce;12  });13  it("should have been called twice", function () {14    myFake();15    expect(myFake).to.have.been.calledTwice;16  });17  it("should have returned undefined", function () {18    expect(myFake()).to.be.undefined;19  });20  it("should have returned 42", function () {21    myFake.returns(42);22    expect(myFake()).to.equal(42);23  });24  it("should have returned 42 twice", function () {25    expect(myFake()).to.equal(42);26    expect(myFake()).to.equal(42);27  });28  it("should have returned 42 thrice", function () {29    expect(myFake()).to.equal(42);30    expect(myFake()).to.equal(42);31    expect(myFake()).to.equal(42);32  });33});34describe("myFake", function () {35  var myFake = sinon.fake.returns(42);36  it("should be a fake", function () {37    expect(myFake).to.be.a("function");38  });39  it("should not have been called", function () {40    expect(myFake).not.to.have.been.called;41  });42  it("should have been called once", function () {43    myFake();44    expect(myFake).to.have.been.calledOnce;45  });46  it("should have been called twice", function () {47    myFake();48    expect(myFake).to.have.been.calledTwice;49  });50  it("should have returned 42", function () {51    expect(myFake()).to.equal(42);52  });53  it("should have returned 42 twice", function () {54    expect(myFake()).to.equal(42);55    expect(myFake()).to.equal(42);56  });57  it("should have returned 42 thrice", function () {58    expect(myFake()).to.equal(42);59    expect(myFake()).to

Using AI Code Generation

1var sinon = require('sinon');2var expect = require('chai').expect;3var myFake = sinon.fake(function() {4    return 'fake';5});6var myObj = {7};8expect(myObj.myFake()).to.equal('fake');9expect(myFake.called).to.be.true;10var sinon = require('sinon');11var expect = require('chai').expect;12var myFake = sinon.fake(function() {13    return 'fake';14});15var myObj = {16};17expect(myObj.myFake()).to.equal('fake');18expect(myFake.called).to.be.true;19var sinon = require('sinon');20var expect = require('chai').expect;21var myFake = sinon.fake(function() {22    return 'fake';23});24var myObj = {25};26expect(myObj.myFake()).to.equal('fake');27expect(myFake.called).to.be.true;28var sinon = require('sinon');29var expect = require('chai').expect;30var myFake = sinon.fake(function() {31    return 'fake';32});33var myObj = {34};35expect(myObj.myFake()).to.equal('fake');36expect(myFake.called).to.be.true;37var sinon = require('sinon');38var expect = require('chai').expect;39var myFake = sinon.fake(function() {40    return 'fake';41});42var myObj = {43};44expect(myObj.myFake()).to.equal('fake');45expect(myFake.called).to.be.true;46var sinon = require('sinon');47var expect = require('chai').expect;48var myFake = sinon.fake(function() {49    return 'fake';50});51var myObj = {52};53expect(myObj.myFake()).to.equal('fake');54expect(myFake.called).to.be.true;55var sinon = require('sinon');56var expect = require('

Using AI Code Generation

1describe('myFake', function() {2  it('should call the callback', function() {3    var callback = sinon.spy();4    myFake(callback);5    expect(callback.called).to.be.true;6  });7});8describe('myFake', function() {9  it('should call the callback', function() {10    var callback = sinon.stub();11    myFake(callback);12    expect(callback.called).to.be.true;13  });14});15describe('myFake', function() {16  it('should call the callback', function() {17    var callback = sinon.mock();18    myFake(callback);19    expect(callback.called).to.be.true;20  });21});22var expect = require('chai').expect;23describe('myFake', function() {24  it('should call the callback', function() {25    var callback = sinon.stub();26    myFake(callback);27    expect(callback.called).to.be.true;28  });29});

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