How to use AssertionError method in chai

Best JavaScript code snippet using chai

test.js

Source:test.js Github

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1/* */ 2var assert = require('./assert');3var keys = Object.keys;4function makeBlock(f) {5 var args = Array.prototype.slice.call(arguments, 1);6 return function() {7 return f.apply(this, args);8 };9}10test('assert.ok', function() {11 assert.throws(makeBlock(assert, false), assert.AssertionError, 'ok(false)');12 assert.doesNotThrow(makeBlock(assert, true), assert.AssertionError, 'ok(true)');13 assert.doesNotThrow(makeBlock(assert, 'test', 'ok(\'test\')'));14 assert.throws(makeBlock(assert.ok, false), assert.AssertionError, 'ok(false)');15 assert.doesNotThrow(makeBlock(assert.ok, true), assert.AssertionError, 'ok(true)');16 assert.doesNotThrow(makeBlock(assert.ok, 'test'), 'ok(\'test\')');17});18test('assert.equal', function() {19 assert.throws(makeBlock(assert.equal, true, false), assert.AssertionError, 'equal');20 assert.doesNotThrow(makeBlock(assert.equal, null, null), 'equal');21 assert.doesNotThrow(makeBlock(assert.equal, undefined, undefined), 'equal');22 assert.doesNotThrow(makeBlock(assert.equal, null, undefined), 'equal');23 assert.doesNotThrow(makeBlock(assert.equal, true, true), 'equal');24 assert.doesNotThrow(makeBlock(assert.equal, 2, '2'), 'equal');25 assert.doesNotThrow(makeBlock(assert.notEqual, true, false), 'notEqual');26 assert.throws(makeBlock(assert.notEqual, true, true), assert.AssertionError, 'notEqual');27});28test('assert.strictEqual', function() {29 assert.throws(makeBlock(assert.strictEqual, 2, '2'), assert.AssertionError, 'strictEqual');30 assert.throws(makeBlock(assert.strictEqual, null, undefined), assert.AssertionError, 'strictEqual');31 assert.doesNotThrow(makeBlock(assert.notStrictEqual, 2, '2'), 'notStrictEqual');32});33test('assert.deepEqual - 7.2', function() {34 assert.doesNotThrow(makeBlock(assert.deepEqual, new Date(2000, 3, 14), new Date(2000, 3, 14)), 'deepEqual date');35 assert.throws(makeBlock(assert.deepEqual, new Date(), new Date(2000, 3, 14)), assert.AssertionError, 'deepEqual date');36});37test('assert.deepEqual - 7.3', function() {38 assert.doesNotThrow(makeBlock(assert.deepEqual, /a/, /a/));39 assert.doesNotThrow(makeBlock(assert.deepEqual, /a/g, /a/g));40 assert.doesNotThrow(makeBlock(assert.deepEqual, /a/i, /a/i));41 assert.doesNotThrow(makeBlock(assert.deepEqual, /a/m, /a/m));42 assert.doesNotThrow(makeBlock(assert.deepEqual, /a/igm, /a/igm));43 assert.throws(makeBlock(assert.deepEqual, /ab/, /a/));44 assert.throws(makeBlock(assert.deepEqual, /a/g, /a/));45 assert.throws(makeBlock(assert.deepEqual, /a/i, /a/));46 assert.throws(makeBlock(assert.deepEqual, /a/m, /a/));47 assert.throws(makeBlock(assert.deepEqual, /a/igm, /a/im));48 var re1 = /a/;49 re1.lastIndex = 3;50 assert.throws(makeBlock(assert.deepEqual, re1, /a/));51});52test('assert.deepEqual - 7.4', function() {53 assert.doesNotThrow(makeBlock(assert.deepEqual, 4, '4'), 'deepEqual == check');54 assert.doesNotThrow(makeBlock(assert.deepEqual, true, 1), 'deepEqual == check');55 assert.throws(makeBlock(assert.deepEqual, 4, '5'), assert.AssertionError, 'deepEqual == check');56});57test('assert.deepEqual - 7.5', function() {58 assert.doesNotThrow(makeBlock(assert.deepEqual, {a: 4}, {a: 4}));59 assert.doesNotThrow(makeBlock(assert.deepEqual, {60 a: 4,61 b: '2'62 }, {63 a: 4,64 b: '2'65 }));66 assert.doesNotThrow(makeBlock(assert.deepEqual, [4], ['4']));67 assert.throws(makeBlock(assert.deepEqual, {a: 4}, {68 a: 4,69 b: true70 }), assert.AssertionError);71 assert.doesNotThrow(makeBlock(assert.deepEqual, ['a'], {0: 'a'}));72 assert.doesNotThrow(makeBlock(assert.deepEqual, {73 a: 4,74 b: '1'75 }, {76 b: '1',77 a: 478 }));79 var a1 = [1, 2, 3];80 var a2 = [1, 2, 3];81 a1.a = 'test';82 a1.b = true;83 a2.b = true;84 a2.a = 'test';85 assert.throws(makeBlock(assert.deepEqual, keys(a1), keys(a2)), assert.AssertionError);86 assert.doesNotThrow(makeBlock(assert.deepEqual, a1, a2));87});88test('assert.deepEqual - instances', function() {89 var nbRoot = {toString: function() {90 return this.first + ' ' + this.last;91 }};92 function nameBuilder(first, last) {93 this.first = first;94 this.last = last;95 return this;96 }97 nameBuilder.prototype = nbRoot;98 function nameBuilder2(first, last) {99 this.first = first;100 this.last = last;101 return this;102 }103 nameBuilder2.prototype = nbRoot;104 var nb1 = new nameBuilder('Ryan', 'Dahl');105 var nb2 = new nameBuilder2('Ryan', 'Dahl');106 assert.doesNotThrow(makeBlock(assert.deepEqual, nb1, nb2));107 nameBuilder2.prototype = Object;108 nb2 = new nameBuilder2('Ryan', 'Dahl');109 assert.throws(makeBlock(assert.deepEqual, nb1, nb2), assert.AssertionError);110});111test('assert.deepEqual - ES6 primitives', function() {112 assert.throws(makeBlock(assert.deepEqual, null, {}), assert.AssertionError);113 assert.throws(makeBlock(assert.deepEqual, undefined, {}), assert.AssertionError);114 assert.throws(makeBlock(assert.deepEqual, 'a', ['a']), assert.AssertionError);115 assert.throws(makeBlock(assert.deepEqual, 'a', {0: 'a'}), assert.AssertionError);116 assert.throws(makeBlock(assert.deepEqual, 1, {}), assert.AssertionError);117 assert.throws(makeBlock(assert.deepEqual, true, {}), assert.AssertionError);118 if (typeof Symbol === 'symbol') {119 assert.throws(makeBlock(assert.deepEqual, Symbol(), {}), assert.AssertionError);120 }121});122test('assert.deepEqual - object wrappers', function() {123 assert.doesNotThrow(makeBlock(assert.deepEqual, new String('a'), ['a']));124 assert.doesNotThrow(makeBlock(assert.deepEqual, new String('a'), {0: 'a'}));125 assert.doesNotThrow(makeBlock(assert.deepEqual, new Number(1), {}));126 assert.doesNotThrow(makeBlock(assert.deepEqual, new Boolean(true), {}));127});128function thrower(errorConstructor) {129 throw new errorConstructor('test');130}131test('assert - Testing the throwing', function() {132 var aethrow = makeBlock(thrower, assert.AssertionError);133 aethrow = makeBlock(thrower, assert.AssertionError);134 assert.throws(makeBlock(thrower, assert.AssertionError), assert.AssertionError, 'message');135 assert.throws(makeBlock(thrower, assert.AssertionError), assert.AssertionError);136 assert.throws(makeBlock(thrower, assert.AssertionError));137 assert.throws(makeBlock(thrower, TypeError));138 var threw = false;139 try {140 assert.throws(makeBlock(thrower, TypeError), assert.AssertionError);141 } catch (e) {142 threw = true;143 assert.ok(e instanceof TypeError, 'type');144 }145 assert.equal(true, threw, 'a.throws with an explicit error is eating extra errors', assert.AssertionError);146 threw = false;147 try {148 assert.doesNotThrow(makeBlock(thrower, TypeError), assert.AssertionError);149 } catch (e) {150 threw = true;151 assert.ok(e instanceof TypeError);152 }153 assert.equal(true, threw, 'a.doesNotThrow with an explicit error is eating extra errors');154 try {155 assert.doesNotThrow(makeBlock(thrower, TypeError), TypeError);156 } catch (e) {157 threw = true;158 assert.ok(e instanceof assert.AssertionError);159 }160 assert.equal(true, threw, 'a.doesNotThrow is not catching type matching errors');161});162test('assert.ifError', function() {163 assert.throws(function() {164 assert.ifError(new Error('test error'));165 });166 assert.doesNotThrow(function() {167 assert.ifError(null);168 });169 assert.doesNotThrow(function() {170 assert.ifError();171 });172});173test('assert - make sure that validating using constructor really works', function() {174 var threw = false;175 try {176 assert.throws(function() {177 throw ({});178 }, Array);179 } catch (e) {180 threw = true;181 }182 assert.ok(threw, 'wrong constructor validation');183});184test('assert - use a RegExp to validate error message', function() {185 assert.throws(makeBlock(thrower, TypeError), /test/);186});187test('assert - se a fn to validate error object', function() {188 assert.throws(makeBlock(thrower, TypeError), function(err) {189 if ((err instanceof TypeError) && /test/.test(err)) {190 return true;191 }192 });193});194test('assert - Make sure deepEqual doesn\'t loop forever on circular refs', function() {195 var b = {};196 b.b = b;197 var c = {};198 c.b = c;199 var gotError = false;200 try {201 assert.deepEqual(b, c);202 } catch (e) {203 gotError = true;204 }205 assert.ok(gotError);206});207test('assert - Ensure reflexivity of deepEqual with `arguments` objects', function() {208 var args = (function() {209 return arguments;210 })();211 assert.throws(makeBlock(assert.deepEqual, [], args), assert.AssertionError);212 assert.throws(makeBlock(assert.deepEqual, args, []), assert.AssertionError);213});214test('assert - test assertion message', function() {215 function testAssertionMessage(actual, expected) {216 try {217 assert.equal(actual, '');218 } catch (e) {219 assert.equal(e.toString(), ['AssertionError:', expected, '==', '""'].join(' '));220 }221 }222 testAssertionMessage(undefined, '"undefined"');223 testAssertionMessage(null, 'null');224 testAssertionMessage(true, 'true');225 testAssertionMessage(false, 'false');226 testAssertionMessage(0, '0');227 testAssertionMessage(100, '100');228 testAssertionMessage(NaN, '"NaN"');229 testAssertionMessage(Infinity, '"Infinity"');230 testAssertionMessage(-Infinity, '"-Infinity"');231 testAssertionMessage('', '""');232 testAssertionMessage('foo', '"foo"');233 testAssertionMessage([], '[]');234 testAssertionMessage([1, 2, 3], '[1,2,3]');235 testAssertionMessage(/a/, '"/a/"');236 testAssertionMessage(function f() {}, '"function f() {}"');237 testAssertionMessage({}, '{}');238 testAssertionMessage({239 a: undefined,240 b: null241 }, '{"a":"undefined","b":null}');242 testAssertionMessage({243 a: NaN,244 b: Infinity,245 c: -Infinity246 }, '{"a":"NaN","b":"Infinity","c":"-Infinity"}');247});248test('assert - regressions from node.js testcase', function() {249 var threw = false;250 try {251 assert.throws(function() {252 assert.ifError(null);253 });254 } catch (e) {255 threw = true;256 assert.equal(e.message, 'Missing expected exception..');257 }258 assert.ok(threw);259 try {260 assert.equal(1, 2);261 } catch (e) {262 assert.equal(e.toString().split('\n')[0], 'AssertionError: 1 == 2');263 }264 try {265 assert.equal(1, 2, 'oh no');266 } catch (e) {267 assert.equal(e.toString().split('\n')[0], 'AssertionError: oh no');268 }...

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callContext.js

Source:callContext.js Github

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1"use strict";2var sinon = require("sinon");3var AssertionError = require("chai").AssertionError;4var expect = require("chai").expect;5describe("Call context", function () {6 var spy = null;7 var target = null;8 var notTheTarget = null;9 beforeEach(function () {10 spy = sinon.spy();11 target = {};12 notTheTarget = {};13 });14 describe("calledOn", function () {15 it("should throw an assertion error if the spy is never called", function () {16 expect(function () {17 spy.should.have.been.calledOn(target);18 }).to.throw(AssertionError);19 });20 it("should throw an assertion error if the spy is called without a context", function () {21 spy();22 expect(function () {23 spy.should.have.been.calledOn(target);24 }).to.throw(AssertionError);25 expect(function () {26 spy.getCall(0).should.have.been.calledOn(target);27 }).to.throw(AssertionError);28 });29 it("should throw an assertion error if the spy is called on the wrong context", function () {30 spy.call(notTheTarget);31 expect(function () {32 spy.should.have.been.calledOn(target);33 }).to.throw(AssertionError);34 expect(function () {35 spy.getCall(0).should.have.been.calledOn(target);36 }).to.throw(AssertionError);37 });38 it("should not throw if the spy is called on the specified context", function () {39 spy.call(target);40 expect(function () {41 spy.should.have.been.calledOn(target);42 }).to.not.throw();43 expect(function () {44 spy.getCall(0).should.have.been.calledOn(target);45 }).to.not.throw();46 });47 it("should not throw if the spy is called on another context and also the specified context", function () {48 spy.call(notTheTarget);49 spy.call(target);50 expect(function () {51 spy.should.have.been.calledOn(target);52 }).to.not.throw();53 expect(function () {54 spy.getCall(1).should.have.been.calledOn(target);55 }).to.not.throw();56 });57 });58 describe("always calledOn", function () {59 it("should throw an assertion error if the spy is never called", function () {60 expect(function () {61 spy.should.always.have.been.calledOn(target);62 }).to.throw(AssertionError);63 expect(function () {64 spy.should.have.always.been.calledOn(target);65 }).to.throw(AssertionError);66 expect(function () {67 spy.should.have.been.always.calledOn(target);68 }).to.throw(AssertionError);69 });70 it("should throw an assertion error if the spy is called without a context", function () {71 spy();72 expect(function () {73 spy.should.always.have.been.calledOn(target);74 }).to.throw(AssertionError);75 expect(function () {76 spy.should.have.always.been.calledOn(target);77 }).to.throw(AssertionError);78 expect(function () {79 spy.should.have.been.always.calledOn(target);80 }).to.throw(AssertionError);81 });82 it("should throw an assertion error if the spy is called on the wrong context", function () {83 spy.call(notTheTarget);84 expect(function () {85 spy.should.always.have.been.calledOn(target);86 }).to.throw(AssertionError);87 expect(function () {88 spy.should.have.always.been.calledOn(target);89 }).to.throw(AssertionError);90 expect(function () {91 spy.should.have.been.always.calledOn(target);92 }).to.throw(AssertionError);93 });94 it("should not throw if the spy is called on the specified context", function () {95 spy.call(target);96 expect(function () {97 spy.should.always.have.been.calledOn(target);98 }).to.not.throw();99 expect(function () {100 spy.should.have.always.been.calledOn(target);101 }).to.not.throw();102 expect(function () {103 spy.should.have.been.always.calledOn(target);104 }).to.not.throw();105 });106 it("should throw an assertion error if the spy is called on another context and also the specified context",107 function () {108 spy.call(notTheTarget);109 spy.call(target);110 expect(function () {111 spy.should.always.have.been.calledOn(target);112 }).to.throw(AssertionError);113 expect(function () {114 spy.should.have.always.been.calledOn(target);115 }).to.throw(AssertionError);116 expect(function () {117 spy.should.have.been.always.calledOn(target);118 }).to.throw(AssertionError);119 });120 });...

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assertionerror.test.js

Source:assertionerror.test.js Github

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1import {VERSION} from '../../../src/ol/util.js';2import AssertionError from '../../../src/ol/AssertionError.js';3describe('ol.AssertionError', function() {4 it('generates an error', function() {5 const error = new AssertionError(42);6 expect(error).to.be.an(Error);7 });8 it('generates a message with a versioned url', function() {9 const error = new AssertionError(42);10 const path = VERSION ? VERSION.split('-')[0] : 'latest';11 expect(error.message).to.be('Assertion failed. See https://openlayers.org/en/' + path + '/doc/errors/#42 for details.');12 });13 it('has an error code', function() {14 const error = new AssertionError(42);15 expect(error.code).to.be(42);16 });17 it('has a name', function() {18 const error = new AssertionError(42);19 expect(error.name).to.be('AssertionError');20 });21 it('is instanceof Error and AssertionError', function() {22 const error = new AssertionError(42);23 expect(error instanceof Error).to.be(true);24 expect(error instanceof AssertionError).to.be(true);25 });...

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1const assert = require('chai').assert;2const expect = require('chai').expect;3const should = require('chai').should();4const chai = require('chai');5const chaiHttp = require('chai-http');6const server = require('../server');7chai.use(chaiHttp);8chai.should();9describe('Test case for testing /login api', () => {10 it('givenEmailAndPassword_whenProper_shouldReturnStatus200', (done) => {11 const login = {

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1const assert = require('chai').assert;2const app = require('../app');3sayHelloResult = app.sayHello();4addNumbersResult = app.addNumbers(5,5);5describe('App', function(){6 describe('sayHello()', function(){7 it('sayHello should return hello', function(){8 assert.equal(sayHelloResult, 'hello');9 });10 it('sayHello should return type string', function(){11 assert.typeOf(sayHelloResult, 'string');12 });13 });14 describe('addNumbers()', function(){15 it('addNumbers should be above 5', function(){16 assert.isAbove(addNumbersResult, 5);17 });18 it('addNumbers should return type number', function(){19 assert.typeOf(addNumbersResult, 'number');20 });21 });22});23const sayHello = function(){24 return 'hello';25}26const addNumbers = function(value1, value2){27 return value1 + value2;28}29module.exports = {30}31{32 "scripts": {33 },34 "devDependencies": {35 }36}

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1describe('Array', function() {2 describe('#indexOf()', function() {3 it('should return -1 when the value is not present', function () {4 assert.equal([1,2,3].indexOf(4), -1);5 });6 });7});8describe('Array', function() {9 describe('#indexOf()', function() {10 it('should return -1 when the value is not present', function () {11 expect([1,2,3].indexOf(4)).to.equal(-1);12 });13 });14});15describe('Array', function() {16 describe('#indexOf()', function() {17 it('should return -1 when the value is not present', function () {18 [1,2,3].indexOf(4).should.equal(-1);19 });20 });21});22const chai = require('chai');23const chaiHttp = require('chai-http');24const app = require('../app');25const should = chai.should();26chai.use(chaiHttp);27describe('GET /', function() {28 it('should return 200 OK', function (done) {29 chai.request(app)30 .get('/')31 .end(function (err, res) {32 res.should.have.status(200);33 done();34 });35 });36});37describe('GET /', function() {38 it('should return Hello World', function (done) {39 chai.request(app)40 .get('/')41 .end(function (err, res) {42 res.should.have.status(200);43 res.text.should.equal('Hello World');44 done();45 });46 });47});48describe('GET /users', function() {49 it('should return 200 OK', function (done) {50 chai.request(app)51 .get('/users')52 .end(function (err, res) {53 res.should.have.status(200);54 done();55 });56 });57});58describe('GET /users', function() {59 it('should return a list of users', function (done) {60 chai.request(app)61 .get('/users')62 .end(function (err, res

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1var assert = require('chai').assert;2var app = require('../app');3describe('App', function() {4 it('app should return hello', function() {5 assert.equal(app(), 'hello');6 });7});8module.exports = function() {9 return 'hello';10};11var expect = require('chai').expect;12var app = require('../app');13describe('App', function() {14 it('app should return hello', function() {15 expect(app()).to.equal('hello');16 });17});18module.exports = function() {19 return 'hello';20};21var expect = require('chai').expect;22var should = require('chai').should();23var app = require('../app');24describe('App', function() {25 it('app should return hello', function() {26 app().should.equal('hello');27 });28});29module.exports = function() {30 return 'hello';31};32var expect = require('chai').expect;33var should = require('chai').should();34var app = require('../app');35describe('App', function() {36 it('app should return hello', function() {37 app().should.equal('hello');38 });39});40module.exports = function() {41 return 'hello';42};43var expect = require('chai').expect;44var should = require('chai').should();45var app = require('../app');46describe('App', function() {47 it('app should return hello', function() {48 app().should.equal('hello');49 });50});51module.exports = function() {52 return 'hello';53};54var expect = require('chai').expect;55var should = require('chai').should();56var app = require('../app');57describe('App', function() {58 it('app should return hello', function() {59 app().should.equal('hello');60 });61});62module.exports = function() {63 return 'hello';64};

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1var assert = require('chai').assert;2var add = function(x, y) {3 return x + y;4};5describe('add', function() {6 it('should add two numbers', function() {7 assert.equal(add(1, 1), 2);8 });9 it('should throw an error if args not numbers', function() {10 assert.throws(function() {11 add(2, '3');12 }, Error);13 });14});15var assert = require('chai').assert;16var add = function(x, y) {17 return x + y;18};19describe('add', function() {20 it('should add two numbers', function() {21 assert.equal(add(1, 1), 2);22 });23 it('should throw an error if args not numbers', function() {24 assert.throws(function() {25 add(2, '3');26 }, Error);27 });28});29var assert = require('chai').assert;30var add = function(x, y) {31 return x + y;32};33describe('add', function() {34 it('should add two numbers', function() {35 assert.equal(add(1, 1), 2);36 });37 it('should throw an error if args not numbers', function() {38 assert.throws(function() {39 add(2, '3');40 }, Error);41 });42});43var assert = require('chai').assert;44var add = function(x, y) {45 return x + y;46};47describe('add', function() {48 it('should add two numbers', function() {49 assert.equal(add(1, 1), 2);50 });51 it('should throw an error if args not numbers', function() {52 assert.throws(function() {53 add(2, '3');54 }, Error);55 });56});57var assert = require('chai').assert;58var add = function(x, y) {59 return x + y;60};61describe('add', function() {62 it('should add two numbers', function() {63 assert.equal(add(1, 1), 2);64 });

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1const assert = require('chai').assert;2const add = require('../add');3describe('add', function() {4 it('should add two numbers', function() {5 assert.equal(add(1, 2), 3);6 });7});8module.exports = function(a, b) {9 return a + b;10};11const expect = require('chai').expect;12const add = require('../add');13describe('add', function() {14 it('should add two numbers', function() {15 expect(add(1, 2)).to.equal(3);16 });17});18const should = require('chai').should();19const add = require('../add');20describe('add', function() {21 it('should add two numbers', function() {22 add(1, 2).should.equal(3);23 });24});25const should = require('chai').should();26const add = require('../add');27describe('add', function() {28 it('should add two numbers', function() {29 add(1, 2).should.equal(3);30 });31});32const should = require('chai').should();33const add = require('../add');34describe('add', function() {35 it('should add two numbers', function() {36 add(1, 2).should.equal(3);37 });38});39const should = require('chai').should();40const add = require('../add');41describe('add', function() {42 it('should add two numbers', function() {43 add(1, 2).should.equal(3);44 });45});46const should = require('chai').should();47const add = require('../add');48describe('add', function() {49 it('should add two numbers', function() {50 add(1, 2).should.equal(3);51 });52});53const should = require('chai').should();54const add = require('../

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1const chai = require("chai");2const expect = chai.expect;3const AssertionError = chai.AssertionError;4const assert = chai.assert;5const app = require("../app");6describe("checkString() function", () => {7 it("should return true for correct input", () => {8 let result = app.checkString("abc");9 assert.equal(result, true);10 });11 it("should return false for incorrect input", () => {12 let result = app.checkString(10);13 assert.equal(result, false);14 });15});16describe("checkString1() function", () => {17 it("should return true for correct input", () => {18 let result = app.checkString1("abc");19 assert.equal(result, true);20 });21 it("should return false for incorrect input", () => {22 let result = app.checkString1(10);23 assert.equal(result, false);24 });25});26describe("checkString2() function", () => {27 it("should return true for correct input", () => {28 let result = app.checkString2("abc");29 assert.equal(result, true);30 });31 it("should return false for incorrect input", () => {32 let result = app.checkString2(10);33 assert.equal(result, false);34 });35});36describe("checkString3() function", () => {37 it("

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1const chai = require('chai');2const assert = chai.assert;3const expect = chai.expect;4const should = chai.should();5const expect = chai.expect;6const assert = chai.assert;7const should = chai.should();8const expect = chai.expect;9const assert = chai.assert();10const should = chai.should();11const expect = chai.expect;12const assert = chai.assert;13const should = chai.should();14const expect = chai.expect;15const assert = chai.assert;16const should = chai.should();17const expect = chai.expect;18const assert = chai.assert;19const should = chai.should();20const expect = chai.expect;21const assert = chai.assert;22const should = chai.should();23const expect = chai.expect;24const assert = chai.assert;25const should = chai.should();26const expect = chai.expect;27const assert = chai.assert;28const should = chai.should();29const expect = chai.expect;30const assert = chai.assert;31const should = chai.should();32const expect = chai.expect;33const assert = chai.assert;34const should = chai.should();

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1const assert = require('chai').assert;2const expect = require('chai').expect;3const should = require('chai').should();4describe('Array', function () {5 describe('#indexOf()', function () {6 it('should return -1 when the value is not present', function () {7 assert.equal([1, 2, 3].indexOf(4), -1);8 });9 });10});11describe('Array', function () {12 describe('#indexOf()', function () {13 it('should throw an error if the value is not present', function () {14 expect([1, 2, 3].indexOf(4)).to.equal(-1);15 });16 });17});18describe('Array', function () {19 describe('#indexOf()', function () {20 it('should throw an error if the value is not present', function () {21 [1, 2, 3].indexOf(4).should.equal(-1);22 });23 });24});25describe('Array', function () {26 describe('#indexOf()', function () {27 it('should throw an error if the value is not present', function () {28 expect([1, 2, 3].indexOf(4)).to.equal(-1);29 });30 });31});32describe('Array', function () {33 describe('#indexOf()', function () {34 it('should throw an error if the value is not present', function () {35 [1, 2, 3].indexOf(4).should.equal(-1);36 });37 });38});39describe('Array', function () {40 describe('#indexOf()', function () {41 it('should throw an error if the value is not present', function () {42 expect([1, 2, 3].indexOf(4)).to.equal(-1);43 });44 });45});46describe('Array', function () {47 describe('#indexOf()', function () {48 it('should throw an error if the value is not present', function () {

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Using AI Code Generation

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1const chai = require('chai');2const assert = chai.assert;3const myApp = require('../app.js');4describe("Check if the input is a string", function(){5 it("should return true if the input is a string", function(){6 var result = myApp.checkString("Hello World");7 assert.equal(result, true);8 });9 it("should return false if the input is not a string", function(){10 var result = myApp.checkString(2);11 assert.equal(result, false);12 });13});

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