Best JavaScript code snippet using sinon
behavior.js
Source:behavior.js  
...141            return (this.promiseLibrary || Promise).resolve(this.returnValue);142        } else if (this.reject) {143            return (this.promiseLibrary || Promise).reject(this.returnValue);144        } else if (this.callsThrough) {145            var wrappedMethod = this.effectiveWrappedMethod();146            return wrappedMethod.apply(context, args);147        } else if (this.callsThroughWithNew) {148            // Get the original method (assumed to be a constructor in this case)149            var WrappedClass = this.effectiveWrappedMethod();150            // Turn the arguments object into a normal array151            var argsArray = slice(args);152            // Call the constructor153            var F = WrappedClass.bind.apply(WrappedClass, concat([null], argsArray));154            return new F();155        } else if (typeof this.returnValue !== "undefined") {156            return this.returnValue;157        } else if (typeof this.callArgAt === "number") {158            return returnValue;159        }160        return this.returnValue;161    },162    effectiveWrappedMethod: function effectiveWrappedMethod() {163        for (var stubb = this.stub; stubb; stubb = stubb.parent) {...Using AI Code Generation
1var sinon = require('sinon');2var sinonTest = require('sinon-test');3sinon.test = sinonTest.configureTest(sinon);4var myModule = require('./myModule');5var myModuleMock = sinon.mock(myModule);6var myObject = require('./myObject');7describe('myObject', function() {8  it('should call myModule', function() {9    myModuleMock.expects('myModuleMethod').withArgs('foo').returns('bar');10    var result = myObject.myObjectMethod('foo');11    myModuleMock.verify();12    expect(result).to.equal('bar');13  });14});15module.exports = {16  myModuleMethod: function (arg) {17    return 'bar';18  }19};20var myModule = require('./myModule');21module.exports = {22  myObjectMethod: function (arg) {23    return myModule.myModuleMethod(arg);24  }25};26As you can see, I have to use sinon.test = sinonTest.configureTest(sinon); to be able to use sinon.test() method. But when I run the test, I get the following error:27    at Object.myModuleMethod (myModule.js:3:20)28    at Object.myObjectMethod (myObject.js:7:35)29    at Context.<anonymous> (test.js:10:34)30var path = require('path');31var sinon = require('sinon');32var sinonTest = require('sinon-test');33sinon.test = sinonTest.configureTest(sinon);34require('babel/register')({35});36require('./test/myObjectUsing AI Code Generation
1var sinon = require('sinon');2var assert = require('assert');3var obj = {4    method: function() {5        return 1;6    }7};8var spy = sinon.spy(obj, 'method');9console.log(obj.method());10console.log(spy.effectiveWrappedMethod());11var stub = sinon.stub(obj, 'method');12console.log(obj.method());13console.log(stub.effectiveWrappedMethod());14assert.equal(stub.effectiveWrappedMethod, obj.method);15var spy = sinon.spy(function() {16    return 1;17});18console.log(spy());19console.log(spy.effectiveWrappedMethod());20var stub = sinon.stub().returns(1);21console.log(stub());22console.log(stub.effectiveWrappedMethod());23assert.equal(stub.effectiveWrappedMethod, stub);24var spy = sinon.spy();25spy(1, 2, 3);26spy.effectiveWrappedMethod(1, 2, 3);27var stub = sinon.stub();28stub(1, 2, 3);29stub.effectiveWrappedMethod(1, 2, 3);30var spy = sinon.spy();31spy(1, 2, 3);32spy.effectiveWrappedMethod(1, 2, 3);33var stub = sinon.stub();34stub(1, 2, 3);35stub.effectiveWrappedMethod(1, 2, 3);36var spy = sinon.spy();37spy(1, 2,Using AI Code Generation
1sinon.spy(this, "effectiveWrappedMethod");2this.effectiveWrappedMethod("test");3sinon.assert.calledWith(this.effectiveWrappedMethod, "test");4sinon.spy(this, "effectiveWrappedMethod");5this.effectiveWrappedMethod("test");6sinon.assert.calledWith(this.effectiveWrappedMethod, "test");7sinon.spy(this, "effectiveWrappedMethod");8this.effectiveWrappedMethod("test");9sinon.assert.calledWith(this.effectiveWrappedMethod, "test");10sinon.spy(this, "effectiveWrappedMethod");11this.effectiveWrappedMethod("test");12sinon.assert.calledWith(this.effectiveWrappedMethod, "test");13sinon.spy(this, "effectiveWrappedMethod");14this.effectiveWrappedMethod("test");15sinon.assert.calledWith(this.effectiveWrappedMethod, "test");16sinon.spy(this, "effectiveWrappedMethod");17this.effectiveWrappedMethod("test");18sinon.assert.calledWith(this.effectiveWrappedMethod, "test");19sinon.spy(this, "effectiveWrappedMethod");20this.effectiveWrappedMethod("test");21sinon.assert.calledWith(this.effectiveWrappedMethod, "test");22sinon.spy(this, "effectiveWrappedMethod");23this.effectiveWrappedMethod("test");24sinon.assert.calledWith(this.effectiveWrappedMethod, "test");25sinon.spy(this, "effectiveWrappedMethod");26this.effectiveWrappedMethod("test");27sinon.assert.calledWith(this.effectiveWrappedMethod, "test");28sinon.spy(this, "effectiveWrappedMethod");29this.effectiveWrappedMethod("test");30sinon.assert.calledWith(this.effectiveWrappedMethod, "test");Using AI Code Generation
1this.effectiveWrappedMethod();2this.wrappedMethod();3this.callThrough();4this.effectiveWrappedMethod();5this.wrappedMethod();6this.callThrough();7this.effectiveWrappedMethod();8this.wrappedMethod();9this.callThrough();10this.effectiveWrappedMethod();11this.wrappedMethod();12this.callThrough();13this.effectiveWrappedMethod();14this.wrappedMethod();15this.callThrough();16this.effectiveWrappedMethod();17this.wrappedMethod();18this.callThrough();Using AI Code Generation
1sinon.stub(this, "someMethod", function() { return "foo"; });2assert.equals(this.someMethod(), "foo");3sinon.stub(this, "someMethod");4this.someMethod.returns("foo");5assert.equals(this.someMethod(), "foo");6sinon.stub(this, "someMethod").returns("foo");7assert.equals(this.someMethod(), "foo");8sinon.stub(this, "someMethod").throws();9assert.exception(this.someMethod);10sinon.stub(this, "someMethod").throws("TypeError");11assert.exception(this.someMethod, "TypeError");12sinon.stub(this, "someMethod").throws(new TypeError());13assert.exception(this.someMethod, TypeError);14sinon.stub(this, "someMethod").throws("TypeError", "message");15assert.exception(this.someMethod, "TypeError", "message");16sinon.stub(this, "someMethod").throws(new TypeError(), "message");17assert.exception(this.someMethod, TypeError, "message");18sinon.stub(this, "someMethod").returnsArg(0);19assert.equals(this.someMethod(42), 42);20sinon.stub(this, "someMethod").returnsArg(1);21assert.equals(this.someMethod(42, 43), 43);22sinon.stub(this, "someMethod").returnsArg("foo");23assert.equals(this.someMethod(42, 43, { foo: 44 }), 44);24sinon.stub(this, "someMethod").returnsThis();25var object = { someMethod: function() { return this; } };26assert.same(object.someMethod(), object);27sinon.stub(this, "someMethod").yields();28this.someMethod(function() { assert(true); });29sinon.stub(this, "someMethod").yields("foo");30this.someMethod(function(arg) { assert.equals(arg, "foo"); });31sinon.stub(this, "someMethod").yieldsTo("callback");32this.someMethod({ callback: function() { assert(true); } });33sinon.stub(this, "someMethod").yieldsTo("callback", "foo");34this.someMethod({ callback: function(arg) { assert.equals(arg, "foo"); } });35sinon.stub(this, "someMethod").yieldsTo("callback", "foo", "bar");36this.someMethod({ callback: function(arg1, arg2) {37    assert.equals(arg1, "foo");38    assert.equals(arg2, "bar");39}});40sinon.stub(this, "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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