Best JavaScript code snippet using sinon
issues-test.js
Source:issues-test.js  
...442        });443    });444    describe("#1882", function() {445        it("should use constructor name when checking deepEquality", function() {446            function ClassWithoutProps() {447                return;448            }449            function AnotherClassWithoutProps() {450                return;451            }452            ClassWithoutProps.prototype.constructor = ClassWithoutProps;453            AnotherClassWithoutProps.prototype.constructor = AnotherClassWithoutProps;454            var arg1 = new ClassWithoutProps(); //arg1.constructor.name === ClassWithoutProps455            var arg2 = new AnotherClassWithoutProps(); //arg2.constructor.name === Object456            var stub = sinon.stub();457            stub.withArgs(arg1).returns(5);458            var result = stub(arg2);459            assert.same(result, undefined); //[ERR_ASSERTION]: 5 === undefined460        });461    });462    describe("#1887", function() {463        it("should not break stub behavior using multiple `match.any`", function() {464            var stub = sinon.stub();465            stub.withArgs(sinon.match.any, sinon.match.any, sinon.match("a")).returns("a");466            stub.withArgs(sinon.match.any, sinon.match.any, sinon.match("b")).returns("b");467            assert.equals(stub({}, [], "a"), "a");468            assert.equals(stub({}, [], "b"), "b");469        });...Using AI Code Generation
1const { ClassWithoutProps } = require('./ClassWithoutProps');2const { ClassWithProps } = require('./ClassWithProps');3const { ClassWithPropsAndMethods } = require('./ClassWithPropsAndMethods');4const { ClassWithPropsAndMethodsAndChaining } = require('./ClassWithPropsAndMethodsAndChaining');5const { ClassWithPropsAndMethodsAndChainingAndReturn } = require('./ClassWithPropsAndMethodsAndChainingAndReturn');6const { ClassWithPropsAndMethodsAndChainingAndReturnAndThrows } = require('./ClassWithPropsAndMethodsAndChainingAndReturnAndThrows');7const { ClassWithPropsAndMethodsAndChainingAndReturnAndThrowsAndCallThrough } = require('./ClassWithPropsAndMethodsAndChainingAndReturnAndThrowsAndCallThrough');8const { ClassWithPropsAndMethodsAndChainingAndReturnAndThrowsAndCallThroughAndYield } = require('./ClassWithPropsAndMethodsAndChainingAndReturnAndThrowsAndCallThroughAndYield');9const { ClassWithPropsAndMethodsAndChainingAndReturnAndThrowsAndCallThroughAndYieldAndYieldTo } = require('./ClassWithPropsAndMethodsAndChainingAndReturnAndThrowsAndCallThroughAndYieldAndYieldTo');10const sinonChai = require('sinon-chai');11const chai = require('chai');12chai.use(sinonChai);13const expect = chai.expect;14describe('ClassWithoutProps', () => {15  it('should call method', () => {16    const classWithoutProps = new ClassWithoutProps();17    classWithoutProps.method();18    expect(classWithoutProps.method).to.have.been.calledOnce;19  });20});21describe('ClassWithProps', () => {22  it('should set property', () => {23    const classWithProps = new ClassWithProps();24    classWithProps.property = 'property';25    expect(classWithProps.property).to.equal('property');26  });27});28describe('ClassWithPropsAndMethods', () => {29  it('should call method', () => {30    const classWithPropsAndMethods = new ClassWithPropsAndMethods();31    classWithPropsAndMethods.method();32    expect(classWithPropsAndMethods.method).to.have.been.calledOnce;33  });34});35describe('ClassWithPropsAndMethodsAndChaining', () => {36  it('should call method', () => {Using AI Code Generation
1var expect = require('chai').use(require('sinon-chai')).expect;2describe('ClassWithoutProps', function() {3  it('should have a method called method', function() {4    var obj = new ClassWithoutProps();5    expect(obj.method).to.be.a('function');6  });7});Using AI Code Generation
1class ClassWithoutProps {2    constructor() {3        this.a = 1;4    }5    getA() {6        return this.a;7    }8}9const classWithoutProps = new ClassWithoutProps();10expect(classWithoutProps).to.have.property('getA');11expect(classWithoutProps.getA()).to.equal(1);12class ClassWithProps {13    constructor() {14        this.a = 1;15        this.b = 2;16    }17    getA() {18        return this.a;19    }20    getB() {21        return this.b;22    }23}24const classWithProps = new ClassWithProps();25expect(classWithProps).to.have.property('getA');26expect(classWithProps).to.have.property('getB');27expect(classWithProps.getA()).to.equal(1);28expect(classWithProps.getB()).to.equal(2);29class ClassWithPropsAndMethods {30    constructor() {31        this.a = 1;32        this.b = 2;33    }34    getA() {35        return this.a;36    }37    getB() {38        return this.b;39    }40    setA(a) {41        this.a = a;42    }43    setB(b) {44        this.b = b;45    }46}47const classWithPropsAndMethods = new ClassWithPropsAndMethods();48expect(classWithPropsAndMethods).to.have.property('getA');49expect(classWithPropsAndMethods).to.have.property('getB');50expect(classWithPropsAndMethods).to.have.property('setA');51expect(classWithPropsAndMethods).to.have.property('setB');52expect(classWithPropsAndMethods.getA()).to.equal(1);53expect(classWithPropsAndMethods.getB()).to.equal(2);54classWithPropsAndMethods.setA(3);55classWithPropsAndMethods.setB(4);56expect(classWithPropsAndMethods.getA()).to.equal(3);57expect(classWithPropsAndMethods.getB()).to.equal(4);58class ClassWithStaticPropsAndMethods {59    static getA() {60        return 1;61    }62    static getB() {63        return 2;64    }65    static setA(a) {66        ClassWithStaticPropsAndMethods.a = a;67    }Using AI Code Generation
1import {ClassWithoutProps} from './ClassWithoutProps';2import sinon from 'sinon';3describe('ClassWithoutProps', () => {4  it('should call the method', () => {5    const classWithoutProps = new ClassWithoutProps();6    const spy = sinon.spy(classWithoutProps, 'method');7    classWithoutProps.method();8    expect(spy.calledOnce).toBe(true);9  });10});Using AI Code Generation
1import { expect } from 'chai';2import sinon from 'sinon';3import sinonChai from 'sinon-chai';4import * as ClassWithoutProps from '../src/classWithoutProps';5import * as ClassWithProps from '../src/classWithProps';6import * as ClassWithProps from '../src/classWithProps';7import * as ClassWithProps from '../src/classWithProps';8import * as ClassWithProps from '../src/classWithProps';9import * as ClassWithProps from '../src/classWithProps';10import * as ClassWithProps from '../src/classWithProps';11import * as ClassWithProps from '../src/classWithProps';12import * as ClassWithProps from '../src/classWithProps';13import * as ClassWithProps from '../src/classWithProps';14import * as ClassWithProps from '../src/classWithProps';15describe('ClassWithoutProps', () => {16  it('should have a method called "method"', () => {17    expect(ClassWithoutProps.method).to.be.a('function');18  });19});20describe('ClassWithProps', () => {21  it('should have a method called "method"', () => {22    expect(ClassWithProps.method).to.be.a('function');23  });24});25describe('ClassWithProps', () => {26  it('should have a method called "method"', () => {27    expect(ClassWithProps.method).to.be.a('function');28  });29});30describe('ClassWithProps', () => {31  it('should have a method called "method"', () => {32    expect(ClassWithProps.method).to.be.a('function');33  });34});35describe('ClassWithProps', () => {36  it('should have a method called "method"', () => {37    expect(ClassWithProps.method).to.be.a('function');38  });39});40describe('ClassUsing AI Code Generation
1const ClassWithoutProps = require('./classWithoutProps');2describe('ClassWithoutProps', () => {3  test('method should return value', () => {4    const classWithoutProps = new ClassWithoutProps();5    const stub = sinon.stub(classWithoutProps, 'method').returns('stubbed value');6    expect(classWithoutProps.method()).toBe('stubbed value');7    expect(stub.calledOnce).toBe(true);8    stub.restore();9  });10});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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