Best JavaScript code snippet using chai
debug_test.js
Source:debug_test.js
...40 };41 goog.debug.setFunctionResolver(resolver);42 assertEquals(43 'goog.debug.getFunctionName',44 goog.debug.getFunctionName(goog.debug.getFunctionName));45 assertEquals(46 'goog.structs.Set',47 goog.debug.getFunctionName(goog.structs.Set));48 var set = new goog.structs.Set();49 assertEquals(50 'goog.structs.Set.getCount',51 goog.debug.getFunctionName(set.getCount));52 // This function is matched by the fallback heuristic.53 assertEquals(54 'testGetFunctionName',55 goog.debug.getFunctionName(testGetFunctionName));56 goog.debug.setFunctionResolver(null);57}58/**59 * Asserts that a substring can be found in a specified text string.60 *61 * @param {string} substring The substring to search for.62 * @param {string} text The text string to search within.63 */64function assertContainsSubstring(substring, text) {65 assertNotEquals('Could not find "' + substring + '" in "' + text + '"',66 -1, text.search(substring));67}68function testDeepExpose() {69 var a = {};...
example.js
Source:example.js
1const callee = require('./index')2// functions3function a() {4 console.log('a', callee().getFunctionName())5 b()6}7function b() {8 console.log('b', callee().getFunctionName())9 c()10}11let c = () => {12 console.log('c', callee(2).getFunctionName())13 d()14}15let d = () => {16 console.log('d', callee().getFunctionName())17 let es6Class = new ES6Class()18 es6Class.c()19 console.log('search', callee('a').getRelativeFileName(), callee('a').getFunctionName(), callee('a').getLineNumber())20 console.log('cache', callee('c', true).getRelativeFileName(), callee('c', true).getFunctionName(), callee('c', true).getLineNumber(), callee('c', true).getColumnNumber())21 console.log('search after cache', callee('a').getRelativeFileName(), callee('a').getFunctionName(), callee('a').getLineNumber())22}23// ES6 Class definition24class ES6Class {25 constructor() {26 }27 print() {28 console.log('----')29 console.log('this type', callee(0).getTypeName())30 console.log('this function', callee(0).getFunctionName())31 console.log('this method', callee(0).getMethodName())32 console.log('this file', callee(0).getFileName())33 }34 c() {35 console.log('----')36 console.log('this type', callee().getTypeName())37 console.log('this function', callee().getFunctionName())38 console.log('this method', callee().getMethodName())39 console.log('this file', callee().getFileName())40 }41 callSomething() {42 this.myClass = new MyClass()43 this.myClass.c()44 }45}46// Constructor Function47function MyClass() {48 if (!(this instanceof MyClass)) return new MyClass()49}50MyClass.prototype.print = function p() {51 console.log('----')52 console.log('this type', callee(0).getTypeName())53 console.log('this function', callee(0).getFunctionName())54 console.log('this method', callee(0).getMethodName())55 console.log('this file', callee(0).getFileName())56}57MyClass.prototype.c = function c() {58 console.log('----')59 console.log('this type', callee().getTypeName())60 console.log('this function', callee().getFunctionName())61 console.log('this method', callee().getMethodName())62 console.log('this file', callee().getFileName())63}64MyClass.prototype.callSomething = function s() {65 this.es6Class = new ES6Class()66 this.es6Class.c()67}68// call ES6 classes69new ES6Class().print()70new ES6Class().callSomething()71// call constructor function72MyClass().print()73MyClass().callSomething()74console.log('---')75console.log('type', callee(0).getTypeName(), callee(0).getTypeName() === 'Object')76console.log('function', callee(0).getFunctionName())77console.log('method', callee(0).getMethodName())78console.log('filename', callee(0).getRelativeFileName())79console.log('line', callee(0).getLineNumber())80console.log('column', callee(0).getColumnNumber())81// call functions82a()...
getFunctionName.test.js
Source:getFunctionName.test.js
2const assert = require('assert');3const getFunctionName = require('../../lib/helpers/getFunctionName');4describe('getFunctionName', () => {5 it('return fn.name', () => {6 assert.equal(getFunctionName({ name: 'fnName' }), 'fnName');7 });8 it('return function name', () => {9 assert.equal(getFunctionName(function fnName() {}), 'fnName');10 });11 it('return function functionName', () => {12 assert.equal(getFunctionName(function functionName() {}), 'functionName');13 });14 it('return undefined for arrow function', () => {15 // I can't say it's expected behavior, but is how it's behave.16 assert.equal(getFunctionName(() => []), undefined);17 });...
Using AI Code Generation
1const chai = require('chai');2const chaiAsPromised = require('chai-as-promised');3chai.use(chaiAsPromised);4const { expect, assert } = chai;5const { getFunctionName } = require('chai/lib/chai/utils/inspect');6const { getFullName } = require('./app');7describe('getFullName()', () => {8 it('should return a string', () => {9 expect(getFullName('John', 'Doe')).to.be.a('string');10 });11 it('should return the full name of the user', () => {12 expect(getFullName('John', 'Doe')).to.equal('John Doe');13 });14 it('should throw an error if no arguments are provided', () => {15 expect(() => getFullName()).to.throw(Error);16 });17 it('should throw an error if only one argument is provided', () => {18 expect(() => getFullName('John')).to.throw(Error);19 });20});21const getFullName = (firstName, lastName) => {22 if (!firstName || !lastName) {23 throw new Error('Both arguments are required!');24 }25 return `${firstName} ${lastName}`;26};27module.exports = { getFullName };
Using AI Code Generation
1var assert = require('chai').assert;2var getFunctionName = require('chai').getFunctionName;3function foo() {}4assert.equal(getFunctionName(foo), 'foo');5assert.equal(getFunctionName(function() {}), 'anonymous');6assert.equal(getFunctionName(function foo() {}), 'foo');7assert.equal(getFunctionName(function*() {}), 'anonymous');8assert.equal(getFunctionName(function* foo() {}), 'foo');9var assert = require('chai').assert;10var addProperty = require('chai').addProperty;11addProperty('foo', function() {12 var obj = this._obj;13 new chai.Assertion(obj).to.be.an('object');14 new chai.Assertion(obj).to.have.property('foo');15 this.assert(16 , 'expected #{this} to have a property \'foo\' of \'bar\' but got #{act}'17 , 'expected #{this} to not have a property \'foo\' of \'bar\''18 );19});20assert.foo({ foo: 'bar' });21var assert = require('chai').assert;22var addMethod = require('chai').addMethod;23addMethod('foo', function(str) {24 var obj = this._obj;25 new chai.Assertion(obj).to.be.an('object');26 new chai.Assertion(obj).to.have.property('foo');27 this.assert(28 , 'expected #{this} to have a property \'foo\' of #{exp} but got #{act}'29 , 'expected #{this} to not have a property \'foo\' of #{exp}'30 );31});32assert.foo({ foo: 'bar' }, 'bar');33var assert = require('chai').assert;34var overwriteMethod = require('chai').overwriteMethod;35overwriteMethod('equal', function(_super) {36 return function(val, msg) {37 if (typeof
Using AI Code Generation
1const assert = require('chai').assert;2const getFunctionName = require('get-function-name');3const add = (a, b) => a + b;4assert.equal(getFunctionName(add), 'add');5console.log(getFunctionName(add));6const assert = require('chai').assert;7const add = (a, b) => a + b;8assert.equal(assert.getFunctionName(add), 'add');9console.log(assert.getFunctionName(add));10const assert = require('chai').assert;11const add = (a, b) => a + b;12assert.equal(assert.getFunctionName(add), 'add');13console.log(assert.getFunctionName(add));14const assert = require('chai').assert;15const add = (a, b) => a + b;16assert.equal(assert.getFunctionName(add), 'add');17console.log(assert.getFunctionName(add));18const assert = require('chai').assert;19const add = (a, b) => a + b;20assert.equal(assert.getFunctionName(add), 'add');21console.log(assert.getFunctionName(add));22const assert = require('chai').assert;23const add = (a, b) => a + b;24assert.equal(assert.getFunctionName(add), 'add');25console.log(assert.getFunctionName(add));26const assert = require('chai').assert;27const add = (a, b) => a + b;28assert.equal(assert.getFunctionName(add), 'add');29console.log(assert.getFunctionName(add));30const assert = require('chai').assert;31const add = (a, b) => a + b;32assert.equal(assert.getFunctionName(add), 'add');33console.log(assert.getFunctionName(add
Using AI Code Generation
1const chai = require("chai");2const expect = chai.expect;3const assert = chai.assert;4const getFunctionName = require("../src/getFunctionName.js");5describe("getFunctionName", () => {6 it("should return the name of the function", () => {7 const result = getFunctionName(() => {});8 expect(result).to.eql("anonymous");9 });10 it("should return the name of the function", () => {11 const result = getFunctionName(function test() {});12 expect(result).to.eql("test");13 });14 it("should return the name of the function", () => {15 const result = getFunctionName(function() {});16 expect(result).to.eql("anonymous");17 });18 it("should return the name of the function", () => {19 const result = getFunctionName(function() {});20 assert.typeOf(result, "string");21 });22});
Using AI Code Generation
1var chai = require('chai');2var assert = chai.assert;3var getFunctionName = require('chai').getFunctionName;4var expect = require('chai').expect;5describe('getFunctionName', function() {6 it('returns the name of a function', function() {7 var fn = function foo() {};8 expect(getFunctionName(fn)).to.equal('foo');9 });10 it('returns an empty string for an anonymous function', function() {11 var fn = function() {};12 expect(getFunctionName(fn)).to.equal('');13 });14 it('returns an empty string for a named function expression', function() {15 var fn = function bar() {};16 expect(getFunctionName(fn)).to.equal('');17 });18 it('returns an empty string for a function without a name', function() {19 var fn = function() {};20 expect(getFunctionName(fn)).to.equal('');21 });22 it('returns an empty string for a bound function', function() {23 var fn = function() {};24 fn = fn.bind({});25 expect(getFunctionName(fn)).to.equal('');26 });27 it('returns an empty string for an arrow function', function() {28 var fn = () => {};29 expect(getFunctionName(fn)).to.equal('');30 });31 it('returns an empty string for an async function', function() {32 var fn = async function() {};33 expect(getFunctionName(fn)).to.equal('');34 });35});36describe('getFunctionName', function() {37 it('returns the name of a function', function() {38 var fn = function foo() {};39 assert.equal(getFunctionName(fn), 'foo');40 });41 it('returns an empty string for an anonymous function', function() {42 var fn = function() {};43 assert.equal(getFunctionName(fn), '');44 });45 it('returns an empty string for a named function expression', function() {46 var fn = function bar() {};47 assert.equal(getFunctionName(fn), '');48 });49 it('returns an empty string for a function without a name', function() {50 var fn = function() {};51 assert.equal(getFunctionName(fn), '');52 });53 it('returns an empty string for a bound function', function() {54 var fn = function() {};55 fn = fn.bind({});56 assert.equal(getFunctionName(fn), '');57 });
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5var getFunctionName = require('chai').getFunctionName;6var test = function() {7};8test();9var chai = require('chai');10var expect = chai.expect;11var assert = chai.assert;12var should = chai.should();13var getFunctionName = require('chai').getFunctionName;14var test = function() {15};16test();17var chai = require('chai');18var expect = chai.expect;19var assert = chai.assert;20var should = chai.should();21var getFunctionName = require('chai').getFunctionName;22var test = function() {23};24test();25var chai = require('chai');26var expect = chai.expect;27var assert = chai.assert;28var should = chai.should();29var getFunctionName = require('chai').getFunctionName;30var test = function() {31};32test();33var chai = require('chai');34var expect = chai.expect;35var assert = chai.assert;36var should = chai.should();37var getFunctionName = require('chai').getFunctionName;38var test = function() {39};40test();41var chai = require('chai');42var expect = chai.expect;43var assert = chai.assert;44var should = chai.should();45var getFunctionName = require('chai').getFunctionName;46var test = function() {47};48test();
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5function fn() {6 return 'hello world';7}8expect(fn).to.have.property('name', 'fn');9assert.equal(fn.name, 'fn');10fn.should.have.property('name', 'fn');11var chai = require('chai');12var expect = chai.expect;13var assert = chai.assert;14var should = chai.should();15function fn() {16 return 'hello world';17}18expect(fn).to.have.property('name', 'fn');19assert.equal(fn.name, 'fn');20fn.should.have.property('name', 'fn');21var chai = require('chai');22var expect = chai.expect;23var assert = chai.assert;24var should = chai.should();25function fn() {26 return 'hello world';27}28expect(fn).to.have.property('name', 'fn');29assert.equal(fn.name, 'fn');30fn.should.have.property('name', 'fn');31var chai = require('chai');32var expect = chai.expect;33var assert = chai.assert;34var should = chai.should();35function fn() {36 return 'hello world';37}38expect(fn).to.have.property('name', 'fn');39assert.equal(fn.name, 'fn');40fn.should.have.property('name', 'fn');41var chai = require('chai');42var expect = chai.expect;43var assert = chai.assert;44var should = chai.should();45function fn() {46 return 'hello world';47}48expect(fn).to.have.property('name', 'fn');49assert.equal(fn.name, 'fn');50fn.should.have.property('name', 'fn');51var chai = require('chai');52var expect = chai.expect;53var assert = chai.assert;54var should = chai.should();55function fn() {56 return 'hello world';57}58expect(fn).to.have.property('name', 'fn');59assert.equal(fn.name, 'fn');60fn.should.have.property('name', 'fn');
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3function test() {4 return true;5}6var mocha = require('mocha');7var expect = mocha.expect;8function test() {9 return true;10}11var test = require('./test.js');12var testFunction = test.testFunction;13describe('testFunction', function() {14 it('should return true', function() {15 expect(testFunction()).to.be.true;16 });17});18var test = require('./test.js');19var testFunction = test;20describe('testFunction', function() {21 it('should return true', function() {22 expect(testFunction.testFunction()).to.be.true;23 });24});25function getNumber() {26 return 3;27}28describe('getNumber', function() {29 it('should return 3', function() {30 expect(getNumber()).to.equal(3);31 });32});33function test() {34 return new Promise(function(resolve, reject) {35 resolve('test');
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5var myFunction = function() { return "Hello World"; };6expect(myFunction()).to.equal('Hello World');7assert.typeOf(myFunction(), 'string');8myFunction().should.equal('Hello World');9var chai = require('chai');10var expect = chai.expect;11var assert = chai.assert;12var should = chai.should();13var myFunction = function() { return "Hello World"; };14expect(myFunction()).to.equal('Hello World');15assert.typeOf(myFunction(), 'string');16myFunction().should.equal('Hello World');17var chai = require('chai');18var expect = chai.expect;19var assert = chai.assert;20var should = chai.should();21var myFunction = function() { return "Hello World"; };22expect(myFunction()).to.equal('Hello World');23assert.typeOf(myFunction(), 'string');24myFunction().should.equal('Hello World');25var chai = require('chai');26var expect = chai.expect;27var assert = chai.assert;28var should = chai.should();29var myFunction = function() { return "Hello World"; };30expect(myFunction()).to.equal('Hello World');31assert.typeOf(myFunction(), 'string');32myFunction().should.equal('Hello World');33var chai = require('chai');34var expect = chai.expect;35var assert = chai.assert;36var should = chai.should();37var myFunction = function() { return "Hello World"; };38expect(myFunction()).to.equal('Hello World');39assert.typeOf(myFunction(), 'string');40myFunction().should.equal('Hello World');41var chai = require('chai');42var expect = chai.expect;43var assert = chai.assert;44var should = chai.should();45var myFunction = function() { return "Hello World"; };46expect(myFunction()).to.equal('Hello World');47assert.typeOf(myFunction(), 'string');48myFunction().should.equal('Hello World');49var chai = require('chai');50var expect = chai.expect;51var assert = chai.assert;52var should = chai.should();53var myFunction = function() { return "Hello World54 });55});
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5var getFunctionName = require('chai').getFunctionName;6var test = function() {7};8test();9var chai = require('chai');10var expect = chai.expect;11var assert = chai.assert;12var should = chai.should();13var getFunctionName = require('chai').getFunctionName;14var test = function() {15};16test();17var chai = require('chai');18var expect = chai.expect;19var assert = chai.assert;20var should = chai.should();21var getFunctionName = require('chai').getFunctionName;22};23test();
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3function test() {4 return true;5}6var mocha = require('mocha');7var expect = mocha.expect;8function test() {9 return true;10}11var test = require('./test.js');12var testFunction = test.testFunction;13describe('testFunction', function() {14 it('should return true', function() {15 expect(testFunction()).to.be.true;16 });17});18var test = require('.test.js');19var testFunction =test;20describe(stFunction', function() {21 it('hould return rue, function() {22 expect(testFunction.testFunction()).to.be.true;23 v)ar test = function() {24});25function geoNumber() {26 return 3;27}28describe('getNumber', function() {29 it('should return 3', function() {30 expect(getNumber()).to.equal(3);31 });32});33function test() {34 return new Promise(function(resolve, reject) {35};36test();37var chai = require('chai');38var expect = chai.expect;39var assert = chai.assert;40var should = chai.should();41var getFunctionName = require('chai').getFunctionName;42var test = function() {43};44test();45var chai = require('chai');46var expect = chai.expect;47var assert = chai.assert;48var should = chai.should();49var getFunctionName = require('chai').getFunctionName;50var test = function() {51};52test();53var chai = require('chai');54var expect = chai.expect;55var assert = chai.assert;56var should = chai.should();57var getFunctionName = require('chai').getFunctionName;58var test = function() {59};60test();
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3function test() {4 return true;5}6var mocha = require('mocha');7var expect = mocha.expect;8function test() {9 return true;10}11var test = require('./test.js');12var testFunction = test.testFunction;13describe('testFunction', function() {14 it('should return true', function() {15 expect(testFunction()).to.be.true;16 });17});18var test = require('./test.js');19var testFunction = test;20describe('testFunction', function() {21 it('should return true', function() {22 expect(testFunction.testFunction()).to.be.true;23 });24});25function getNumber() {26 return 3;27}28describe('getNumber', function() {29 it('should return 3', function() {30 expect(getNumber()).to.equal(3);31 });32});33function test() {34 return new Promise(function(resolve, reject) {35 resolve('test');
Using AI Code Generation
1var chai = require('chai');2var expect = chai.expect;3var assert = chai.assert;4var should = chai.should();5var myFunction = function() { return "Hello World"; };6expect(myFunction()).to.equal('Hello World');7assert.typeOf(myFunction(), 'string');8myFunction().should.equal('Hello World');9var chai = require('chai');10var expect = chai.expect;11var assert = chai.assert;12var should = chai.should();13var myFunction = function() { return "Hello World"; };14expect(myFunction()).to.equal('Hello World');15assert.typeOf(myFunction(), 'string');16myFunction().should.equal('Hello World');17var chai = require('chai');18var expect = chai.expect;19var assert = chai.assert;20var should = chai.should();21var myFunction = function() { return "Hello World"; };22expect(myFunction()).to.equal('Hello World');23assert.typeOf(myFunction(), 'string');24myFunction().should.equal('Hello World');25var chai = require('chai');26var expect = chai.expect;27var assert = chai.assert;28var should = chai.should();29var myFunction = function() { return "Hello World"; };30expect(myFunction()).to.equal('Hello World');31assert.typeOf(myFunction(), 'string');32myFunction().should.equal('Hello World');33var chai = require('chai');34var expect = chai.expect;35var assert = chai.assert;36var should = chai.should();37var myFunction = function() { return "Hello World"; };38expect(myFunction()).to.equal('Hello World');39assert.typeOf(myFunction(), 'string');40myFunction().should.equal('Hello World');41var chai = require('chai');42var expect = chai.expect;43var assert = chai.assert;44var should = chai.should();45var myFunction = function() { return "Hello World"; };46expect(myFunction()).to.equal('Hello World');47assert.typeOf(myFunction(), 'string');48myFunction().should.equal('Hello World');49var chai = require('chai');50var expect = chai.expect;51var assert = chai.assert;52var should = chai.should();53var myFunction = function() { return "Hello World
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!