How to use sandbox.fake method in sinon

Best JavaScript code snippet using sinon

release-please.js

Source:release-please.js

1const { describe, it, beforeEach, afterEach } = require('mocha')2const action = require('../')3const assert = require('assert')4const core = require('@actions/core')5const sinon = require('sinon')6const nock = require('nock')7const { Manifest } = require('release-please/build/src/manifest')8// const { Node } = require('release-please/build/src/strategies/node')9// As defined in action.yml10const defaultInput = {11  fork: 'false',12  clean: 'true',13  'bump-minor-pre-major': 'false',14  'bump-patch-for-minor-pre-major': 'false',15  path: '',16  'monorepo-tags': 'false',17  'changelog-path': '',18  'changelog-types': '',19  command: '',20  'version-file': '',21  'default-branch': '',22  // eslint-disable-next-line no-template-curly-in-string23  'pull-request-title-pattern': 'chore${scope}: release${component} ${version}',24  draft: 'false',25  'draft-pull-request': 'false'26}27let input28let output29const sandbox = sinon.createSandbox()30process.env.GITHUB_REPOSITORY = 'google/cloud'31nock.disableNetConnect()32describe('release-please-action', () => {33  beforeEach(() => {34    input = {}35    output = {}36    core.setOutput = (name, value) => {37      output[name] = value38    }39    core.getInput = name => {40      if (input[name] === undefined || input[name] == null) {41        return defaultInput[name]42      } else {43        return input[name]44      }45    }46    core.getBooleanInput = name => {47      // Float our own helper, for mocking purposes:48      const trueValue = ['true', 'True', 'TRUE']49      const falseValue = ['false', 'False', 'FALSE']50      const val = core.getInput(name)51      if (trueValue.includes(val)) { return true }52      if (falseValue.includes(val)) { return false }53      throw new TypeError(`Input does not meet YAML 1.2 "Core Schema" specification: ${name}\n` +54          'Support boolean input list: `true | True | TRUE | false | False | FALSE`')55    }56    // Default branch lookup:57    nock('https://api.github.com')58      .get('/repos/google/cloud')59      .reply(200, {60        default_branch: 'main'61      })62  })63  afterEach(() => {64    sandbox.restore()65  })66  it('opens PR with custom changelogSections', async () => {67    input = {68      command: 'release-pr',69      'release-type': 'node',70      'changelog-types':71        '[{"type":"feat","section":"Features","hidden":false},{"type":"fix","section":"Bug Fixes","hidden":false},{"type":"chore","section":"Miscellaneous","hidden":false}]'72    }73    const createPullRequestsFake = sandbox.fake.returns([22])74    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({75      createPullRequests: createPullRequestsFake76    })77    await action.main()78    sinon.assert.calledOnce(createPullRequestsFake)79    sinon.assert.calledWith(80      createManifestCommand,81      sinon.match.any,82      'main',83      sinon.match.hasOwn(84        'changelogSections',85        JSON.parse(86          '[{"type":"feat","section":"Features","hidden":false},{"type":"fix","section":"Bug Fixes","hidden":false},{"type":"chore","section":"Miscellaneous","hidden":false}]'87        )88      ),89      sinon.match.any90    )91  })92  it('opens PR with custom title', async () => {93    input = {94      command: 'release-pr',95      'release-type': 'node',96      'pull-request-title-pattern': 'beep boop'97    }98    const createPullRequestsFake = sandbox.fake.returns([22])99    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({100      createPullRequests: createPullRequestsFake101    })102    await action.main()103    sinon.assert.calledOnce(createPullRequestsFake)104    sinon.assert.calledWith(105      createManifestCommand,106      sinon.match.any,107      'main',108      sinon.match.hasOwn(109        'pullRequestTitlePattern',110        'beep boop'111      ),112      sinon.match.any113    )114  })115  it('both opens PR to the default branch and tags GitHub releases by default', async () => {116    input = {}117    const createReleasesFake = sandbox.fake.returns([118      {119        upload_url: 'http://example.com',120        tagName: 'v1.0.0'121      }122    ])123    const createPullRequestsFake = sandbox.fake.returns([22])124    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({125      createPullRequests: createPullRequestsFake,126      createReleases: createReleasesFake127    })128    await action.main()129    sinon.assert.calledTwice(createManifestCommand)130    sinon.assert.calledOnce(createPullRequestsFake)131    sinon.assert.calledOnce(createReleasesFake)132    assert.deepStrictEqual(output, {133      release_created: true,134      upload_url: 'http://example.com',135      tag_name: 'v1.0.0',136      pr: 22,137      prs: '[22]',138      releases_created: true,139      paths_released: '["."]'140    })141  })142  it('both opens PR to a different default branch and tags GitHub releases by default', async () => {143    input = {144      'default-branch': 'dev'145    }146    const createReleasesFake = sandbox.fake.returns([147      {148        upload_url: 'http://example.com',149        tag_name: 'v1.0.0'150      }151    ])152    const createPullRequestsFake = sandbox.fake.returns([22])153    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({154      createPullRequests: createPullRequestsFake,155      createReleases: createReleasesFake156    })157    await action.main()158    sinon.assert.calledOnce(createPullRequestsFake)159    sinon.assert.calledWith(createReleasesFake)160    sinon.assert.calledWith(161      createManifestCommand,162      sinon.match.any,163      'dev',164      sinon.match.any,165      sinon.match.any166    )167    assert.deepStrictEqual(output, {168      release_created: true,169      upload_url: 'http://example.com',170      tag_name: 'v1.0.0',171      pr: 22,172      prs: '[22]',173      releases_created: true,174      paths_released: '["."]'175    })176  })177  it('only opens PR, if command set to release-pr', async () => {178    input = {179      command: 'release-pr'180    }181    const createReleasesFake = sandbox.fake.returns([182      {183        upload_url: 'http://example.com',184        tag_name: 'v1.0.0'185      }186    ])187    const createPullRequestsFake = sandbox.fake.returns([22])188    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({189      createPullRequests: createPullRequestsFake,190      createReleases: createReleasesFake191    })192    await action.main()193    sinon.assert.calledOnce(createManifestCommand)194    sinon.assert.calledOnce(createPullRequestsFake)195    sinon.assert.notCalled(createReleasesFake)196    assert.deepStrictEqual(output, {197      pr: 22,198      prs: '[22]'199    })200  })201  it('only creates GitHub release, if command set to github-release', async () => {202    input = {203      command: 'github-release'204    }205    const createReleasesFake = sandbox.fake.returns([206      {207        upload_url: 'http://example.com',208        tag_name: 'v1.0.0'209      }210    ])211    const createPullRequestsFake = sandbox.fake.returns([22])212    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({213      createPullRequests: createPullRequestsFake,214      createReleases: createReleasesFake215    })216    await action.main()217    sinon.assert.calledOnce(createManifestCommand)218    sinon.assert.notCalled(createPullRequestsFake)219    sinon.assert.calledOnce(createReleasesFake)220    assert.deepStrictEqual(output, {221      release_created: true,222      upload_url: 'http://example.com',223      tag_name: 'v1.0.0',224      releases_created: true,225      paths_released: '["."]'226    })227  })228  it('sets appropriate outputs when GitHub release created', async () => {229    const release = {230      name: 'v1.2.3',231      tagName: 'v1.2.3',232      sha: 'abc123',233      notes: 'Some release notes',234      url: 'http://example2.com',235      draft: false,236      uploadUrl: 'http://example.com',237      path: '.',238      version: '1.2.3',239      major: 1,240      minor: 2,241      patch: 3242    }243    input = {244      'release-type': 'node',245      command: 'github-release'246    }247    const createReleasesFake = sandbox.fake.returns([release])248    sandbox.stub(Manifest, 'fromConfig').returns({249      createReleases: createReleasesFake250    })251    await action.main()252    assert.strictEqual(output.release_created, true)253    assert.strictEqual(output.releases_created, true)254    assert.strictEqual(output.upload_url, 'http://example.com')255    assert.strictEqual(output.html_url, 'http://example2.com')256    assert.strictEqual(output.tag_name, 'v1.2.3')257    assert.strictEqual(output.major, 1)258    assert.strictEqual(output.minor, 2)259    assert.strictEqual(output.patch, 3)260    assert.strictEqual(output.version, '1.2.3')261    assert.strictEqual(output.sha, 'abc123')262    assert.strictEqual(output.paths_released, '["."]')263  })264  it('sets appropriate outputs when release PR opened', async () => {265    input = {266      'release-type': 'node',267      command: 'release-pr'268    }269    const createPullRequestsFake = sandbox.fake.returns([22])270    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({271      createPullRequests: createPullRequestsFake272    })273    await action.main()274    sinon.assert.calledOnce(createManifestCommand)275    sinon.assert.calledOnce(createPullRequestsFake)276    assert.deepStrictEqual(output, {277      pr: 22,278      prs: '[22]'279    })280  })281  it('does not set PR output, when no release PR is returned', async () => {282    input = {283      'release-type': 'node',284      command: 'release-pr'285    }286    const createPullRequestsFake = sandbox.fake.returns([undefined])287    const createManifestCommand = sandbox.stub(Manifest, 'fromConfig').returns({288      createPullRequests: createPullRequestsFake289    })290    await action.main()291    sinon.assert.calledOnce(createManifestCommand)292    sinon.assert.calledOnce(createPullRequestsFake)293    assert.strictEqual(Object.hasOwnProperty.call(output, 'pr'), false)294  })295  it('does not set release output, when no release is returned', async () => {296    input = {297      'release-type': 'node',298      command: 'github-release'299    }300    const createReleasesFake = sandbox.fake.returns([undefined])301    sandbox.stub(Manifest, 'fromConfig').returns({302      createReleases: createReleasesFake303    })304    await action.main()305    assert.deepStrictEqual(output, { paths_released: '[]' })306  })307  it('creates and runs a manifest release', async () => {308    input = { command: 'manifest' }309    const createReleasesFake = sandbox.fake.returns([310      {311        upload_url: 'http://example.com',312        tag_name: 'v1.0.0'313      }314    ])315    const createPullRequestsFake = sandbox.fake.returns([22])316    const createManifestCommand = sandbox.stub(Manifest, 'fromManifest').returns({317      createPullRequests: createPullRequestsFake,318      createReleases: createReleasesFake319    })320    await action.main()321    sinon.assert.calledOnce(createPullRequestsFake)322    sinon.assert.calledWith(createReleasesFake)323    sinon.assert.calledWith(324      createManifestCommand,325      sinon.match.any,326      'main',327      sinon.match.any,328      sinon.match.any329    )330    assert.deepStrictEqual(output, {331      release_created: true,332      upload_url: 'http://example.com',333      tag_name: 'v1.0.0',334      pr: 22,335      prs: '[22]',336      releases_created: true,337      paths_released: '["."]'338    })339  })340  it('opens PR only for manifest-pr', async () => {341    input = { command: 'manifest-pr' }342    const createPullRequestsFake = sandbox.fake.returns([22])343    const createManifestCommand = sandbox.stub(Manifest, 'fromManifest').returns({344      createPullRequests: createPullRequestsFake345    })346    await action.main()347    sinon.assert.calledOnce(createPullRequestsFake)348    sinon.assert.calledWith(349      createManifestCommand,350      sinon.match.any,351      'main',352      sinon.match.any,353      sinon.match.any354    )355    assert.deepStrictEqual(output, {356      pr: 22,357      prs: '[22]'358    })359  })360  it('sets appropriate output if multiple releases and prs created', async () => {361    input = { command: 'manifest' }362    const createReleasesFake = sandbox.fake.returns([363      {364        upload_url: 'http://example.com',365        tag_name: 'v1.0.0',366        path: 'a'367      },368      {369        upload_url: 'http://example2.com',370        tag_name: 'v1.2.0',371        path: 'b'372      }373    ])374    const createPullRequestsFake = sandbox.fake.returns([22, 33])375    const createManifestCommand = sandbox.stub(Manifest, 'fromManifest').returns({376      createPullRequests: createPullRequestsFake,377      createReleases: createReleasesFake378    })379    await action.main()380    sinon.assert.calledOnce(createPullRequestsFake)381    sinon.assert.calledWith(createReleasesFake)382    sinon.assert.calledWith(383      createManifestCommand,384      sinon.match.any,385      'main',386      sinon.match.any,387      sinon.match.any388    )389    assert.deepStrictEqual(output, {390      pr: 22,391      prs: '[22,33]',392      releases_created: true,393      'a--release_created': true,394      'a--upload_url': 'http://example.com',395      'a--tag_name': 'v1.0.0',396      'a--path': 'a',397      'b--release_created': true,398      'b--upload_url': 'http://example2.com',399      'b--tag_name': 'v1.2.0',400      'b--path': 'b',401      paths_released: '["a","b"]'402    })403  })...

chain-all.spec.js

Source:chain-all.spec.js

...5  const sandbox = sinon.createSandbox();6  beforeEach(() => sandbox.stub(console, 'error'));7  afterEach(() => sandbox.restore());8  it('call all middlewares in order', async () => {9    const middlewareOne = sandbox.fake((ctx) => ctx);10    const middlewareTwo = sandbox.fake((ctx) => ctx);11    const middlewareThree = sandbox.fake((ctx) => ctx);12    const applyMiddleware = chainAll([middlewareOne, middlewareTwo, middlewareThree]);13    await applyMiddleware();14    sinon.assert.callOrder(middlewareOne, middlewareTwo, middlewareThree);15  });16  it('pass context from middleware to middleware', async () => {17    const applyMiddleware = chainAll([18      (context) => {19        return { ...context, test: context.init };20      },21      (context) => {22        return { ...context, test: context.test + 1 };23      },24      (context) => {25        return { ...context, test: context.test + 1 };26      },27    ]);28    const context = await applyMiddleware({ init: 40 });29    assert.deepStrictEqual(context, { init: 40, test: 42 });30  });31  it('accept async middlewares', async () => {32    const applyMiddleware = chainAll([33      async (context) => {34        return { ...context, test: context.init };35      },36      async (context) => {37        return { ...context, test: context.test + 1 };38      },39      async (context) => {40        return { ...context, test: context.test + 1 };41      },42    ]);43    const context = await applyMiddleware({ init: 40 });44    assert.deepStrictEqual(context, { init: 40, test: 42 });45  });46  it('reuse previous context when middleware returns null', async () => {47    const middlewareOne = sandbox.fake((ctx) => null);48    const middlewareTwo = sandbox.fake((ctx) => null);49    const applyMiddleware = chainAll([middlewareOne, middlewareTwo]);50    const context = await applyMiddleware({ init: 40 });51    assert.deepStrictEqual(context, { init: 40 });52  });53  it('apply function when middlewares returns function', async () => {54    const middlewareCalls = [];55    const applyMiddleware = chainAll([56      (context) => {57        middlewareCalls[0] = '0';58        return { ...context, test: context.init };59      },60      () => {61        middlewareCalls[1] = '1';62        return () => {63          middlewareCalls[2] = '2';64          return (context) => {65            middlewareCalls[3] = '3';66            return { ...context, test: context.test + 1 };67          };68        };69      },70      (context) => {71        middlewareCalls[4] = '4';72        return { ...context, test: context.test + 1 };73      },74    ]);75    const context = await applyMiddleware({ init: 40 });76    assert.deepStrictEqual(context, { init: 40, test: 42 });77    assert.deepStrictEqual(middlewareCalls, ['0', '1', '2', '3', '4']);78  });79  it('catch error in middlewares, stop chain and throw if onError is not defined', async () => {80    const postErrorMiddleware = sandbox.spy();81    const applyMiddleware = chainAll(82      [83        (context) => {84          throw new Error('the-middleware-error');85        },86        postErrorMiddleware,87      ],88    );89    await assert.rejects(90      async () => {91        const context = await applyMiddleware({ foo: 'bar' });92      },93      {94        name: 'Error',95        message: 'the-middleware-error',96      },97    );98    assert.strictEqual(postErrorMiddleware.callCount, 0);99  });100  it('catch error in middlewares, stop chain, call onError if defined then catch error in onError', async () => {101    const postErrorMiddleware = sandbox.spy();102    const applyMiddleware = chainAll(103      [104        (context) => {105          throw new Error('the-middleware-error');106        },107      ],108      (context, error) => {109        throw new Error('the-onerror-error');110      },111    );112    await assert.rejects(113      async () => {114        const context = await applyMiddleware({ foo: 'bar' });115      },116      {117        name: 'Error',118        message: 'the-onerror-error',119      },120    );121    assert.strictEqual(postErrorMiddleware.callCount, 0);122  });123  it('catch error in middlewares, stop chain, call onError if defined and return context from onError', async () => {124    const postErrorMiddleware = sandbox.spy();125    const onError = sandbox.fake((context, error) => {126      return { fromError: true };127    });128    const applyMiddleware = chainAll(129      [130        (context) => {131          throw new Error('the-middleware-error');132        },133      ],134      onError,135    );136    const context = await applyMiddleware({ foo: 'bar' });137    assert.strictEqual(postErrorMiddleware.callCount, 0);138    assert.deepStrictEqual(onError.firstCall.args[0], { foo: 'bar' });139    assert.strictEqual(onError.firstCall.args[1] instanceof Error, true);...

exampleModelTest.js

Source:exampleModelTest.js

...9    sandbox.restore()10  });11  it('get', (done) => {12    const fakeRepository = {13      findAll: sandbox.fake(),14      findById: sandbox.fake(),15    }16    var model = new ExampleModel(fakeRepository, fakeLogger);17    model.get(1);18    expect(fakeRepository.findAll.callCount).to.equal(0);19    expect(fakeRepository.findById.callCount).to.equal(1);20    done();21  });22  it('list', (done) => {23    const fakeRepository = {24      findAll: sandbox.fake(),25      findById: sandbox.fake(),26    }27    var model = new ExampleModel(fakeRepository, fakeLogger);28    model.list();29    expect(fakeRepository.findAll.callCount).to.equal(1);30    expect(fakeRepository.findById.callCount).to.equal(0);31    done();32  });...

Using AI Code Generation

1var assert = require('assert');2var sinon = require('sinon');3describe('sinon', function () {4    beforeEach(function () {5        this.sandbox = sinon.sandbox.create();6    });7    afterEach(function () {8        this.sandbox.restore();9    });10    describe('fake', function () {11        it('should call the fake function', function () {12            var callback = this.sandbox.fake();13            callback();14            assert(callback.called);15        });16    });17});18var assert = require('assert');19var sinon = require('sinon');20describe('sinon', function () {21    beforeEach(function () {22        this.sandbox = sinon.sandbox.create();23    });24    afterEach(function () {25        this.sandbox.restore();26    });27    describe('spy', function () {28        it('should call the spy function', function () {29            var callback = this.sandbox.spy();30            callback();31            assert(callback.called);32        });33    });34});35var assert = require('assert');36var sinon = require('sinon');37describe('sinon', function () {38    beforeEach(function () {39        this.sandbox = sinon.sandbox.create();40    });41    afterEach(function () {42        this.sandbox.restore();43    });44    describe('stub', function () {45        it('should call the stub function', function () {46            var callback = this.sandbox.stub();47            callback();48            assert(callback.called);49        });50    });51});52var assert = require('assert');53var sinon = require('sinon');54describe('sinon', function () {55    beforeEach(function () {56        this.sandbox = sinon.sandbox.create();57    });58    afterEach(function () {59        this.sandbox.restore();60    });61    describe('useFakeTimers', function () {62        it('should call the stub function', function () {63            var clock = this.sandbox.useFakeTimers();64            clock.tick(1000);65            assert.equal(1000, clock.now);66        });67    });68});69var assert = require('assert');70var sinon = require('sinon');71describe('sinon', function () {72    beforeEach(function () {

Using AI Code Generation

1var sinon = require('sinon');2var assert = require('assert');3var myObj = {4    method: function() {5        return 'real';6    }7};8var stub = sinon.stub(myObj, 'method').returns('fake');9console.log(myObj.method());10stub.restore();11console.log(myObj.method());12var sinon = require('sinon');13var assert = require('assert');14var myObj = {15    method: function() {16        return 'real';17    }18};19var spy = sinon.spy(myObj, 'method');20console.log(myObj.method());21assert(spy.calledOnce);22spy.restore();23console.log(myObj.method());24var sinon = require('sinon');25var assert = require('assert');26var myObj = {27    method: function() {28        return 'real';29    }30};31var stub = sinon.stub(myObj, 'method');32stub.onCall(0).returns('fake');33stub.onCall(1).throws();34console.log(myObj.method());35assert(stub.calledOnce);36console.log(myObj.method());37assert(stub.calledTwice);38console.log(myObj.method());39assert(stub.calledThrice);40stub.restore();41console.log(myObj.method());42var sinon = require('sinon');43var assert = require('assert');44var myObj = {45    method: function() {46        return 'real';47    }48};49var stub = sinon.stub(myObj, 'method');50stub.withArgs(42).returns('fake');51console.log(myObj.method(42));52assert(stub.withArgs(42).calledOnce);53stub.restore();54console.log(myObj.method());55var sinon = require('sinon');56var assert = require('assert');57var myObj = {58    method: function() {59        return 'real';60    }61};62var stub = sinon.stub(myObj, 'method');63stub.withArgs(42).returns('fake');64console.log(myObj.method(42));65assert(stub.withArgs(42).calledOnce);66stub.restore();67console.log(myObj.method());68var sinon = require('sinon');69var assert = require('

Using AI Code Generation

1var sinon = require('sinon');2var assert = require('assert');3var myObj = {4  myMethod: function (a, b) {5    return a + b;6  }7};8var fakeObj = sinon.fake(myObj.myMethod);9console.log(fakeObj(1, 2));10console.log(fakeObj(3, 4));11console.log(fakeObj(5, 6));12console.log(fakeObj.callCount);13console.log(fakeObj.calledWith(3, 4));14console.log(fakeObj.calledWith(1, 2));15console.log(fakeObj.calledWith(5, 6));16console.log(fakeObj.calledWith(1, 1));17console.log(fakeObj.calledWith(1, 2, 3));18console.log(fakeObj.firstArg);19console.log(fakeObj.lastArg);20console.log(fakeObj.args);21console.log(fakeObj.returnValues);22console.log(fakeObj.thisValues);23console.log(fakeObj.calledOn(myObj));24console.log(fakeObj.calledOn({}));25console.log(fakeObj.calledOn(null));26console.log(fakeObj.calledOn(undefined));27console.log(fakeObj.calledOn(''));28console.log(fakeObj.calledOn(0));29console.log(fakeObj.calledOn(1));30console.log(fakeObj.calledOn(true));31console.log(fakeObj.calledOn(false));32console.log(fakeObj.calledOn(NaN));33console.log(fakeObj.calledOn(Infinity));34console.log(fakeObj.calledOn(-Infinity));35console.log(fakeObj.calledOn(Symbol()));36console.log(fakeObj.calledOn(function () {}));37console.log(fakeObj.calledOn(Math));38console.log(fakeObj.calledOn(JSON));39console.log(fakeObj.calledOn(Array));40console.log(fakeObj.calledOn(Object));41console.log(fakeObj.calledOn(RegExp));42console.log(fakeObj.calledOn(Date));43console.log(fakeObj.calledOn(Error));44console.log(fakeObj.calledOn(EvalError));45console.log(fakeObj.calledOn(RangeError));46console.log(fakeObj.calledOn(ReferenceError));47console.log(fakeObj.calledOn(SyntaxError));48console.log(fakeObj.calledOn(TypeError));49console.log(fakeObj.calledOn(URIError));50console.log(fakeObj.calledOn(Map));51console.log(fakeObj.calledOn(WeakMap));52console.log(fakeObj.calledOn(Set));53console.log(fakeObj.calledOn(WeakSet));54console.log(fakeObj.calledOn(Int8Array));55console.log(fakeObj.calledOn(Int16Array));56console.log(fakeObj.calledOn(Int32Array));57console.log(fakeObj.calledOn(Uint8Array));58console.log(fakeObj

Using AI Code Generation

1var sinon = require('sinon');2var callback = sinon.fake();3callback('foo', 'bar');4callback('foo', 'bar');5callback('foo', 'bar');6var sinon = require('sinon');7var stub = sinon.stub().returns(42);8var callback = sinon.stub().callsArg(1);9callback(1, stub);10var sinon = require('sinon');11var spy = sinon.spy();12spy('foo', 'bar');13spy('foo', 'bar');14spy('foo', 'bar');15var sinon = require('sinon');16var mock = sinon.mock();17mock.expects('foo').once().withArgs('bar');18mock.foo('bar');19var sinon = require('sinon');20var clock = sinon.useFakeTimers();21setTimeout(function() {22  console.log('hello');23}, 1000);24clock.tick(1000);25console.log('world');26var sinon = require('sinon');27var xhr = sinon.useFakeXMLHttpRequest();28xhr.onCreate = function(req) {29  console.log(req.url);30};31var req = new XMLHttpRequest();32req.send();33var sinon = require('sinon');34var server = sinon.useFakeServer();35  { 'Content-Type': 'application/json' },36  '{"foo": "bar"}'37]);38var req = new XMLHttpRequest();39req.onload = function() {40  console.log(this.response);41};42req.send();43server.respond();44var sinon = require('sinon');45var server = sinon.useFakeServer();46server.respondWith('GET', 'http

Using AI Code Generation

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

Using AI Code Generation

1var sinon = require('sinon');2var assert = require('assert');3var fake = sinon.fake();4fake();5assert(fake.called);6var fake = sinon.fake();7fake(42, "hello");8assert(fake.calledWith(42, "hello"));9var fake = sinon.fake.returns(42);10var value = fake();11assert(value === 42);12var fake = sinon.fake.throws(new Error("boom"));13assert.throws(fake);14var fake = sinon.fake();15fake.yields(42, "hello");16fake((err, arg) => {17  assert(err === 42);18  assert(arg === "hello");19});20var fake = sinon.fake();21fake.yieldsOn({foo: "bar"}, 42, "hello");22fake(function (err, arg) {23  assert(this.foo === "bar");24  assert(err === 42);25  assert(arg === "hello");26});27var fake = sinon.fake();28fake.withArgs(42).yields(1, 2, 3);29fake.withArgs(1, 2).yieldsTo("callback", 4, 5, 6);30fake(42, (a, b, c) => {31  assert(a === 1);32  assert(b === 2);33  assert(c === 3);34});35fake(1, 2, {callback: (a, b, c) => {36  assert(a === 4);37  assert(b === 5);38  assert(c === 6);39}});40var fake = sinon.fake();41fake.withArgs(42).yields(1, 2, 3);42fake.withArgs(1, 2).yieldsTo("callback", 4, 5, 6);43fake(42, (a, b, c) => {44  assert(a === 1);45  assert(b === 2);46  assert(c === 3);47});48fake(1, 2, {callback: (a, b, c) => {49  assert(a === 4);50  assert(b === 5);51  assert(c === 6);52}});53var fake = sinon.fake();54fake.withArgs(42).yields(1, 2, 3);

Using AI Code Generation

1describe('test', function() {2    it('test', function() {3        var fake = sinon.fake();4        fake();5        assert(fake.called);6    });7});8describe('test', function() {9    it('test', function() {10        var fake = sinon.fake();11        var obj = {12        };13        obj.method();14        assert(fake.called);15    });16});

Automation Testing Tutorials

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.