Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More

How to use fake.returns method in sinon

Best JavaScript code snippet using sinon

index.js

Source:index.js

...33    restore();34  });35  it("should call add with the right params", async () => {36    const withFake = fake();37    const inFake = fake.returns({38      with: withFake,39    });40    const postFake = fake.returns({41      in: inFake,42    });43    const rpcFake = fake.returns({44      post: postFake,45    });46    replace(deps, "rpc", rpcFake);47    const enqueueFnResult = "some-enqueue-fn-result";48    const enqueueFnFake = fake.returns(enqueueFnResult);49    const enqueueWait = "some-enqueue-wait";50    await eventStore({ domain, service })51      .set({52        context,53        claims,54        token: {55          internalFn: internalTokenFn,56          externalFn: externalTokenFn,57        },58        enqueue: {59          fn: enqueueFnFake,60          wait: enqueueWait,61        },62      })63      .add({ eventData, tx: { id, ip, path } });64    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");65    expect(postFake).to.have.been.calledWith({66      eventData,67      tx: { id, ip, path, claims },68    });69    expect(inFake).to.have.been.calledWith({70      context,71    });72    expect(withFake).to.have.been.calledWith({73      internalTokenFn,74      externalTokenFn,75      claims,76      enqueueFn: enqueueFnResult,77    });78    expect(enqueueFnFake).to.have.been.calledWith({79      queue: `event-store-${service}-${domain}`,80      wait: enqueueWait,81    });82  });83  it("should call add with the right params with event header context and no id or ip", async () => {84    const withFake = fake();85    const inFake = fake.returns({86      with: withFake,87    });88    const postFake = fake.returns({89      in: inFake,90    });91    const rpcFake = fake.returns({92      post: postFake,93    });94    replace(deps, "rpc", rpcFake);95    await eventStore({ domain, service })96      .set({97        context,98        claims,99        token: {100          internalFn: internalTokenFn,101          externalFn: externalTokenFn,102        },103      })104      .add({ eventData, tx: { path } });105    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");106    expect(postFake).to.have.been.calledWith({107      eventData,108      tx: { path, claims },109    });110    expect(inFake).to.have.been.calledWith({111      context,112    });113    expect(withFake).to.have.been.calledWith({114      internalTokenFn,115      externalTokenFn,116      claims,117    });118  });119  it("should call add with the right params and optionals left out", async () => {120    const withFake = fake();121    const inFake = fake.returns({122      with: withFake,123    });124    const postFake = fake.returns({125      in: inFake,126    });127    const rpcFake = fake.returns({128      post: postFake,129    });130    replace(deps, "rpc", rpcFake);131    await eventStore({ domain }).add({ eventData });132    expect(rpcFake).to.have.been.calledWith(domain, envService, "event-store");133    expect(postFake).to.have.been.calledWith({ eventData });134    expect(inFake).to.have.been.calledWith({});135    expect(withFake).to.have.been.calledWith({});136  });137  it("should call aggregate with the right params", async () => {138    const aggregate = "some-aggregate";139    const withFake = fake.returns(aggregate);140    const inFake = fake.returns({141      with: withFake,142    });143    const getFake = fake.returns({144      in: inFake,145    });146    const rpcFake = fake.returns({147      get: getFake,148    });149    replace(deps, "rpc", rpcFake);150    const root = "user";151    const notFoundThrows = "some-not-found-throws";152    const result = await eventStore({ domain, service })153      .set({154        context,155        claims,156        token: {157          internalFn: internalTokenFn,158          externalFn: externalTokenFn,159        },160      })161      .aggregate(root, { notFoundThrows });162    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");163    expect(getFake).to.have.been.calledWith({ id: root, notFoundThrows });164    expect(inFake).to.have.been.calledWith({165      context,166    });167    expect(withFake).to.have.been.calledWith({168      internalTokenFn,169      externalTokenFn,170      claims,171    });172    expect(result).to.equal(aggregate);173  });174  it("should call aggregate with the right params with optionals missing", async () => {175    const aggregate = "some-aggregate";176    const withFake = fake.returns(aggregate);177    const inFake = fake.returns({178      with: withFake,179    });180    const getFake = fake.returns({181      in: inFake,182    });183    const rpcFake = fake.returns({184      get: getFake,185    });186    replace(deps, "rpc", rpcFake);187    const root = "user";188    const result = await eventStore({ domain }).aggregate(root);189    expect(rpcFake).to.have.been.calledWith(domain, envService, "event-store");190    expect(getFake).to.have.been.calledWith({ id: root });191    expect(inFake).to.have.been.calledWith({});192    expect(withFake).to.have.been.calledWith({});193    expect(result).to.deep.equal(aggregate);194  });195  it("should call query with the right params", async () => {196    const queryResult = "some-query-result";197    const withFake = fake.returns(queryResult);198    const inFake = fake.returns({199      with: withFake,200    });201    const getFake = fake.returns({202      in: inFake,203    });204    const rpcFake = fake.returns({205      get: getFake,206    });207    replace(deps, "rpc", rpcFake);208    const result = await eventStore({ domain, service })209      .set({210        context,211        claims,212        token: {213          internalFn: internalTokenFn,214          externalFn: externalTokenFn,215        },216      })217      .query(query);218    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");219    expect(getFake).to.have.been.calledWith(query);220    expect(inFake).to.have.been.calledWith({221      context,222    });223    expect(withFake).to.have.been.calledWith({224      internalTokenFn,225      externalTokenFn,226      claims,227    });228    expect(result).to.equal(queryResult);229  });230  it("should call query with the right params with optionals missing", async () => {231    const queryResult = "some-query-result";232    const withFake = fake.returns(queryResult);233    const inFake = fake.returns({234      with: withFake,235    });236    const getFake = fake.returns({237      in: inFake,238    });239    const rpcFake = fake.returns({240      get: getFake,241    });242    replace(deps, "rpc", rpcFake);243    const result = await eventStore({ domain }).query(query);244    expect(rpcFake).to.have.been.calledWith(domain, envService, "event-store");245    expect(getFake).to.have.been.calledWith(query);246    expect(inFake).to.have.been.calledWith({});247    expect(withFake).to.have.been.calledWith();248    expect(result).to.equal(queryResult);249  });250  it("should call stream with the right params", async () => {251    const stream = "some-stream";252    const withFake = fake.returns(stream);253    const inFake = fake.returns({254      with: withFake,255    });256    const streamFake = fake.returns({257      in: inFake,258    });259    const rpcFake = fake.returns({260      stream: streamFake,261    });262    replace(deps, "rpc", rpcFake);263    const timestamp = "some-timestamp";264    const updatedOnOrAfter = "some-updated-on-or-after";265    const fn = "some-fn";266    const result = await eventStore({ domain, service })267      .set({268        context,269        claims,270        token: {271          internalFn: internalTokenFn,272          externalFn: externalTokenFn,273        },274      })275      .aggregateStream(fn, { timestamp, updatedOnOrAfter, parallel, root });276    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");277    expect(streamFake).to.have.been.calledWith(fn, {278      timestamp,279      updatedOnOrAfter,280      parallel,281      root,282    });283    expect(inFake).to.have.been.calledWith({284      context,285    });286    expect(withFake).to.have.been.calledWith({287      path: "/stream-aggregates",288      internalTokenFn,289      externalTokenFn,290      claims,291    });292    expect(result).to.equal(stream);293  });294  it("should call stream with the right params with optionals missing", async () => {295    const stream = "some-stream";296    const withFake = fake.returns(stream);297    const inFake = fake.returns({298      with: withFake,299    });300    const streamFake = fake.returns({301      in: inFake,302    });303    const rpcFake = fake.returns({304      stream: streamFake,305    });306    replace(deps, "rpc", rpcFake);307    const fn = "some-fn";308    const result = await eventStore({ domain, service }).aggregateStream(309      fn,310      {}311    );312    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");313    expect(streamFake).to.have.been.calledWith(fn);314    expect(inFake).to.have.been.calledWith({});315    expect(withFake).to.have.been.calledWith({316      path: `/stream-aggregates`,317    });318    expect(result).to.equal(stream);319  });320  it("should call root stream with the right params", async () => {321    const stream = "some-stream";322    const withFake = fake.returns(stream);323    const inFake = fake.returns({324      with: withFake,325    });326    const streamFake = fake.returns({327      in: inFake,328    });329    const rpcFake = fake.returns({330      stream: streamFake,331    });332    replace(deps, "rpc", rpcFake);333    const fn = "some-fn";334    const result = await eventStore({ domain, service })335      .set({336        context,337        claims,338        token: {339          internalFn: internalTokenFn,340          externalFn: externalTokenFn,341        },342      })343      .rootStream(fn, { parallel });344    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");345    expect(streamFake).to.have.been.calledWith(fn, {346      parallel,347    });348    expect(inFake).to.have.been.calledWith({349      context,350    });351    expect(withFake).to.have.been.calledWith({352      path: "/roots",353      internalTokenFn,354      externalTokenFn,355      claims,356    });357    expect(result).to.equal(stream);358  });359  it("should call root stream with the right params with optionals missing", async () => {360    const stream = "some-stream";361    const withFake = fake.returns(stream);362    const inFake = fake.returns({363      with: withFake,364    });365    const streamFake = fake.returns({366      in: inFake,367    });368    const rpcFake = fake.returns({369      stream: streamFake,370    });371    replace(deps, "rpc", rpcFake);372    const fn = "some-fn";373    const result = await eventStore({ domain, service }).rootStream(fn);374    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");375    expect(streamFake).to.have.been.calledWith(fn);376    expect(inFake).to.have.been.calledWith({});377    expect(withFake).to.have.been.calledWith({378      path: `/roots`,379    });380    expect(result).to.equal(stream);381  });382  it("should call root count with the right params", async () => {383    const count = "some-count";384    const withFake = fake.returns(count);385    const inFake = fake.returns({386      with: withFake,387    });388    const getFake = fake.returns({389      in: inFake,390    });391    const rpcFake = fake.returns({392      get: getFake,393    });394    replace(deps, "rpc", rpcFake);395    const result = await eventStore({ domain, service })396      .set({397        context,398        claims,399        token: {400          internalFn: internalTokenFn,401          externalFn: externalTokenFn,402        },403      })404      .count(root);405    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");406    expect(getFake).to.have.been.calledWith({407      id: root,408    });409    expect(inFake).to.have.been.calledWith({410      context,411    });412    expect(withFake).to.have.been.calledWith({413      path: "/count",414      internalTokenFn,415      externalTokenFn,416      claims,417    });418    expect(result).to.equal(count);419  });420  it("should call root count with the right params with optionals missing", async () => {421    const count = "some-count";422    const withFake = fake.returns(count);423    const inFake = fake.returns({424      with: withFake,425    });426    const getFake = fake.returns({427      in: inFake,428    });429    const rpcFake = fake.returns({430      get: getFake,431    });432    replace(deps, "rpc", rpcFake);433    const result = await eventStore({ domain, service }).count(root);434    expect(rpcFake).to.have.been.calledWith(domain, service, "event-store");435    expect(getFake).to.have.been.calledWith({436      id: root,437    });438    expect(inFake).to.have.been.calledWith({});439    expect(withFake).to.have.been.calledWith({440      path: "/count",441    });442    expect(result).to.equal(count);443  });444  it("should call create block with the right params", async () => {445    const block = "some-block";446    const withFake = fake.returns(block);447    const inFake = fake.returns({448      with: withFake,449    });450    const postFake = fake.returns({451      in: inFake,452    });453    const rpcFake = fake.returns({454      post: postFake,455    });456    replace(deps, "rpc", rpcFake);457    const enqueueFnResult = "some-enqueue-fn-result";458    const enqueueFnFake = fake.returns(enqueueFnResult);459    const enqueueWait = "some-enqueue-wait";460    const result = await eventStore({ domain, service })461      .set({462        context,463        claims,464        token: {465          internalFn: internalTokenFn,466          externalFn: externalTokenFn,467        },468        enqueue: {469          fn: enqueueFnFake,470          wait: enqueueWait,471        },472      })...

ZwaveMock.test.js

Source:ZwaveMock.test.js

1const { fake } = require('sinon');2const EventEmitter = require('events');3const ZwaveMock = function ZwaveMock(options) {};4ZwaveMock.prototype = Object.create(new EventEmitter());5ZwaveMock.prototype.addNode = fake.returns(null);6ZwaveMock.prototype.removeNode = fake.returns(null);7ZwaveMock.prototype.cancelControllerCommand = fake.returns(null);8ZwaveMock.prototype.connect = fake.returns(null);9ZwaveMock.prototype.disconnect = fake.returns(null);10ZwaveMock.prototype.setValue = fake.returns(null);11ZwaveMock.prototype.hardReset = fake.returns(null);12ZwaveMock.prototype.softReset = fake.returns(null);13ZwaveMock.prototype.healNetwork = fake.returns(null);14ZwaveMock.prototype.requestAllConfigParams = fake.returns(null);15ZwaveMock.prototype.setNodeName = fake.returns(null);16ZwaveMock.prototype.getControllerNodeId = fake.returns(1);17ZwaveMock.prototype.getSUCNodeId = fake.returns(1);18ZwaveMock.prototype.isPrimaryController = fake.returns(true);19ZwaveMock.prototype.isStaticUpdateController = fake.returns(true);20ZwaveMock.prototype.isBridgeController = fake.returns(false);21ZwaveMock.prototype.getLibraryVersion = fake.returns('Z-Wave 3.99');22ZwaveMock.prototype.getLibraryTypeName = fake.returns('Static Controller');23ZwaveMock.prototype.getSendQueueCount = fake.returns(3);...

Using AI Code Generation

1var fake = sinon.fake.returns(10);2var fake = sinon.fake.returnsArg(0);3var fake = sinon.fake.returnsThis();4var fake = sinon.fake.throws();5var fake = sinon.fake.throws(new Error('exception thrown by fake'));6var fake = sinon.fake.throws(new TypeError('exception thrown by fake'));7var fake = sinon.fake.throws(new TypeError('exception thrown by fake'), 'my fake');8var fake = sinon.fake.yields(1, 2, 3);9fake(function (a, b, c) {10});11fake(function (a, b, c) {

Using AI Code Generation

1var fake = sinon.fake.returns(42);2fake();3var fake = sinon.fake.resolves(42);4fake();5var fake = sinon.fake.rejects(42);6fake();7var fake = sinon.fake.yields(42);8fake();9var fake = sinon.fake.yieldsOn(42);10fake();11var fake = sinon.fake.yieldsTo(42);12fake();13var fake = sinon.fake.yieldsToOn(42);14fake();15var fake = sinon.fake.throws(42);16fake();17var fake = sinon.fake.throwsException(42);18fake();19var fake = sinon.fake.withArgs(42);20fake();21var fake = sinon.fake.withExactArgs(42);22fake();23var fake = sinon.fake.withArgs(42);24fake();25var fake = sinon.fake.withExactArgs(42);26fake();27var fake = sinon.fake.withArgs(42);28fake();

Using AI Code Generation

1var fake = sinon.fake.returns(10);2var result = fake();3var fake = sinon.fake.returnsArg(1);4var result = fake(1,2,3);5var fake = sinon.fake.returnsThis();6var obj = {a: 1};7var result = fake.call(obj);8var fake = sinon.fake();9fake.withArgs(1,2,3).returns(10);10fake.withArgs(4,5,6).returns(20);11var result = fake(1,2,3);12var result = fake(4,5,6);13var fake = sinon.fake.throws(new Error('Whoops!'));14var result = fake();15var fake = sinon.fake();16fake.yields(10,20);17fake((err, data) => {18});19var fake = sinon.fake();20fake.yieldsTo('success', 10,20);21fake({22    success: (err, data) => {23    }24});25var fake = sinon.fake();26fake.yieldsToOn('success', 10,20);27fake({28    success: (err, data) => {29    }30});31var fake = sinon.fake();32fake.yieldsRight(10,20);33fake((err, data) => {34});35var fake = sinon.fake();36fake.yieldsToRight('success', 10,20);37fake({38    success: (err, data) => {

Using AI Code Generation

1const sinon = require('sinon');2const fake = sinon.fake.returns(42);3fake();4fake();5const sinon = require('sinon');6const fake = sinon.fake.returnsArg(1);7fake('foo', 'bar', 'baz');8const sinon = require('sinon');9const fake = sinon.fake.throws(new TypeError('Illegal salmon!'));10fake();11const sinon = require('sinon');12const fake = sinon.fake.throwsArg(1);13fake('foo', 'bar', 'baz');14const sinon = require('sinon');15const fake = sinon.fake.returnsThis();16const obj = { foo: fake };17obj.foo();18obj.foo.bar = 42;19obj.foo();20const sinon = require('sinon');21const fake = sinon.fake.resolves(42);22fake().then(value => {23  console.log(value);24});25const sinon = require('sinon');26const fake = sinon.fake.rejects(new TypeError('Illegal salmon!'));27fake().catch(error => {28  console.log(error);29});30const sinon = require('sinon');31const fake = sinon.fake.yields(42);32fake(value => {33  console.log(value);34});35const sinon = require('sinon');36const fake = sinon.fake.yieldsAsync(42);37fake(value => {38  console.log(value);39});

Using AI Code Generation

1var fake = sinon.fake.returns(10);2var proxyquire = require('proxyquire');3var sinon = require('sinon');4var assert = require('assert');5var stub = sinon.stub();6var test = proxyquire('./index.js', {7    'fs': {8    }9});10assert.equal(test.readFile(), 10);11assert.ok(stub.calledOnce);12assert.ok(stub.calledWith('test.txt'));13assert.ok(stub.calledWith('utf8'));14assert.ok(stub.calledWithMatch('test'));15assert.ok(stub.calledWithMatch(/test/));16assert.ok(stub.calledWithMatch('test', 'utf8'));17assert.ok(stub.calledWithMatch(/test/, /utf8/));18assert.ok(stub.calledWithMatch('test', /utf8/));19assert.ok(stub.calledWithMatch(/test/, 'utf8'));20assert.ok(stub.calledWithMatch('test', 'utf8', sinon.match.func));21assert.ok(stub.calledWithMatch(/test/, /utf8/, sinon.match.func));22assert.ok(stub.calledWithMatch('test', /utf8/, sinon.match.func));23assert.ok(stub.calledWithMatch(/test/, 'utf8', sinon.match.func));24var fs = require('fs');25module.exports = {26    readFile: function() {27        fs.readFile('test.txt', 'utf8', function(err, data) {28            if (err) throw err;29            return data;30        });31    }32};

Using AI Code Generation

1var sinon = require('sinon');2var chai = require('chai');3var expect = chai.expect;4var fake = sinon.fake.returns(1);5var x = fake();6expect(x).to.equal(1);7var sinon = require('sinon');8var chai = require('chai');9var expect = chai.expect;10var fake = sinon.fake.throws();11var x = fake();12expect(x).to.throw();13var sinon = require('sinon');14var chai = require('chai');15var expect = chai.expect;16var fake = sinon.fake.throws('error');17var x = fake();18expect(x).to.throw('error');19var sinon = require('sinon');20var chai = require('chai');21var expect = chai.expect;22var fake = sinon.fake.yields(1,2,3);23var x = fake();24expect(x).to.equal(1);25expect(x).to.equal(2);26expect(x).to.equal(3);27var sinon = require('sinon');28var chai = require('chai');29var expect = chai.expect;30var fake = sinon.fake.returns(1);31var x = fake(1,2);32expect(x).to.equal(1);33var sinon = require('sinon');34var chai = require('chai');35var expect = chai.expect;36var fake = sinon.fake.returns(1);37var x = fake(1,2);38expect(x).to.equal(1);39var sinon = require('sinon');40var chai = require('chai');41var expect = chai.expect;42var fake = sinon.fake.returns(1);43var x = fake(1,2);44expect(x

Using AI Code Generation

1const fake = sinon.fake.returns(Promise.resolve());2const fake = sinon.fake.returns(Promise.resolve());3const fake = sinon.fake.returns(Promise.resolve());4const fake = sinon.fake.returns(Promise.resolve());5const fake = sinon.fake.returns(Promise.resolve());6const fake = sinon.fake.returns(Promise.resolve());7const fake = sinon.fake.returns(Promise.resolve());8const fake = sinon.fake.returns(Promise.resolve());9const fake = sinon.fake.returns(Promise.resolve());10const fake = sinon.fake.returns(Promise.resolve());11const fake = sinon.fake.returns(Promise.resolve());12const fake = sinon.fake.returns(Promise.resolve());13const fake = sinon.fake.returns(Promise.resolve());14const fake = sinon.fake.returns(Promise.resolve());

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.