How to use assertLength method in chai

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index.js

Source:index.js Github

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2import { _resetWarned } from '../src/utils/deprecationWarning';3import Enzyme, { ShallowWrapper, ReactWrapper } from 'enzyme';4import Adapter from 'enzyme-adapter-react-15';5Enzyme.configure({ adapter: new Adapter() });6function assertLength(length) {7 return function $assertLength(selector) {8 let result = this.find(selector);9 expect(result).to.have.length(length);10 return result;11 };12}13ReactWrapper.prototype.assertSingle = assertLength(1);14ShallowWrapper.prototype.assertSingle = assertLength(1);15ReactWrapper.prototype.assertNone = assertLength(0);16ShallowWrapper.prototype.assertNone = assertLength(0);17beforeEach(() => {18 /* eslint-disable no-console */19 sinon.stub(console, 'error').callsFake(msg => {20 let expected = false;21 console.error.expected.forEach(about => {22 if (msg.indexOf(about) !== -1) {23 console.error.warned[about] = true;24 expected = true;25 }26 });27 if (expected) {28 return;29 }30 console.error.threw = true;...

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testSetup.js

Source:testSetup.js Github

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...8Object.defineProperty(document, 'currentScript', {9 value: document.createElement('script'),10})11Enzyme.configure({ adapter: new Adapter() })12function assertLength(length) {13 return function $assertLength(selector) {14 let result = this.find(selector)15 expect(16 result17 ).toHaveLength(length)18 return result19 }20}21ReactWrapper.prototype.assertSingle = assertLength(1)...

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1const assert = require('chai').assert;2const head = require('../head');3describe("#head", () => {4 it("returns 5 for [5,6,7]", () => {5 assert.strictEqual(head([5,6,7]), 5);6 });7 it("returns '5' for ['5']", () => {8 assert.strictEqual(head(['5']), '5'); 9 });10 it("returns 5 for [5]", () => {11 assert.strictEqual(head([5]), 5); 12 });13 it("returns 'Hello' for ['Hello', 'Lighthouse', 'Labs']", () => {14 assert.strictEqual(head(['Hello', 'Lighthouse', 'Labs']), 'Hello'); 15 });16 it("returns 1 for [1, 2, 3]", () => {17 assert.strictEqual(head([1, 2, 3]), 1); 18 });19 it("returns '5' for ['5']", () => {20 assert.strictEqual(head(['5']), '5'); 21 });22});23const head = function(array) {24 return array[0];25};26module.exports = head;27const assert = require('chai').assert;28const head = require('../head');29describe("#head", () => {30 it("returns 5 for [5,6,7]", () => {31 assert.strictEqual(head([5,6,7]), 5);32 });33 it("returns '5' for ['5']", () => {34 assert.strictEqual(head(['5']), '5'); 35 });36 it("returns 5 for [5]", () => {37 assert.strictEqual(head([5]), 5); 38 });39 it("returns 'Hello' for ['Hello', 'Lighthouse', 'Labs']", () => {40 assert.strictEqual(head(['Hello', 'Lighthouse', 'Labs']), 'Hello'); 41 });42 it("returns 1 for [1, 2, 3]", () => {43 assert.strictEqual(head([1, 2, 3]), 1); 44 });45 it("returns '5' for ['5']", () => {46 assert.strictEqual(head(['5']), '5'); 47 });48});49const head = function(array) {50 return array[0];

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1var assert = require('chai').assert;2var expect = require('chai').expect;3var 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, [1,2,3].indexOf(4));8 });9 });10});11var assert = require('chai').assert;12var expect = require('chai').expect;13var should = require('chai').should();14describe('Array', function(){15 describe('#indexOf()', function(){16 it('should return -1 when the value is not present', function(){17 expect(-1).to.equal([1,2,3].indexOf(4));18 });19 });20});21var assert = require('chai').assert;22var expect = require('chai').expect;23var should = require('chai').should();24describe('Array', function(){25 describe('#indexOf()', function(){26 it('should return -1 when the value is not present', function(){27 (-1).should.equal([1,2,3].indexOf(4));28 });29 });30});31var assert = require('chai').assert;32var expect = require('chai').expect;33var should = require('chai').should();34describe('Array', function(){35 describe('#indexOf()', function(){36 it('should return -1 when the value is not present', function(){37 assert.equal(-1, [1,2,3].indexOf(4));38 });39 });40});41var assert = require('chai').assert;42var expect = require('chai').expect;43var should = require('chai').should();44describe('Array', function(){45 describe('#indexOf()', function(){46 it('should return -1 when the value is not present', function(){47 expect(-1).to.equal([1,2,3].indexOf(4));48 });49 });50});51var assert = require('chai').assert;52var expect = require('chai').expect;53var should = require('chai').should();54describe('Array', function(){55 describe('#indexOf()', function(){56 it('should return -1 when the value is not present', function(){

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1var assert = require('chai').assert;2assert.lengthOf([1,2,3], 3, 'array has length of 3');3var expect = require('chai').expect;4expect([1,2,3]).to.have.lengthOf(3);5var should = require('chai').should();6[1,2,3].should.have.lengthOf(3);

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1const chai = require('chai');2const assert = chai.assert;3const expect = chai.expect;4const should = chai.should();5const chaiHttp = require('chai-http');6const app = require('../app');7chai.use(chaiHttp);8describe('Testing the app', function () {9 it('should return the status code 200', function (done) {10 chai.request(app)11 .get('/')12 .end(function (err, res) {13 res.should.have.status(200);14 done();15 });16 });17 it('should return the status code 404', function (done) {18 chai.request(app)19 .get('/test')20 .end(function (err, res) {21 res.should.have.status(404);22 done();23 });24 });25 it('should return the status code 200', function (done) {26 chai.request(app)27 .get('/api/v1/users')28 .end(function (err, res) {29 res.should.have.status(200);30 done();31 });32 });33 it('should return the status code 404', function (done) {34 chai.request(app)35 .get('/api/v1/users/test')36 .end(function (err, res) {37 res.should.have.status(404);38 done();39 });40 });41 it('should return the status code 200', function (done) {42 chai.request(app)43 .get('/api/v1/users/1')44 .end(function (err, res) {45 res.should.have.status(200);46 done();47 });48 });49 it('should return the status code 404', function (done) {50 chai.request(app)51 .get('/api/v1/users/100')52 .end(function (err, res) {53 res.should.have.status(404);54 done();55 });56 });57 it('should return the status code 200', function (done) {58 chai.request(app)59 .get('/api/v1/transactions')60 .end(function (err, res) {61 res.should.have.status(200);62 done();63 });64 });65 it('should return the status code 404', function (done) {66 chai.request(app)67 .get('/api/v1/transactions/test')68 .end(function (err, res) {69 res.should.have.status(404);70 done();71 });72 });

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1const assertLength = require('chai').assert.lengthOf;2const assertEqual = require('chai').assert.strictEqual;3const assertArray = require('chai').assert.isArray;4const assertString = require('chai').assert.isString;5const assertObject = require('chai').assert.isObject;6const assertFunction = require('chai').assert.isFunction;7const assertNumber = require('chai').assert.isNumber;8const assertBoolean = require('chai').assert.isBoolean;9const assertUndefined = require('chai').assert.isUndefined;10const assertNull = require('chai').assert.isNull;11const assertNaN = require('chai').assert.isNaN;12const assertInclude = require('chai').assert.include;13const assertNotInclude = require('chai').assert.notInclude;14const assertMatch = require('chai').assert.match;15const assertNotMatch = require('chai').assert.notMatch;16const assertDeepEqual = require('chai').assert.deepEqual;17const assertNotDeepEqual = require('chai').assert.notDeepEqual;18const assertProperty = require('chai').assert.property;19const assertNotProperty = require('chai').assert.notProperty;20const assertPropertyVal = require('chai').assert.propertyVal;21const assertNotPropertyVal = require('chai').assert.notPropertyVal;22const assertTypeOf = require('chai').assert.typeOf;

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1var assert = require('chai').assert;2var assertLength = assert.lengthOf;3assertLength([1,2,3], 3);4assertLength('foobar', 6);5var assert = require('chai').assert;6var assertLength = assert.lengthOf;7assertLength([1,2,3], 3);8assertLength('foobar', 6);9var assert = require('chai').assert;10var assertLength = assert.lengthOf;11assertLength([1,2,3], 3);12assertLength('foobar', 6);13var assert = require('chai').assert;14var assertLength = assert.lengthOf;15assertLength([1,2,3], 3);16assertLength('foobar', 6);17var assert = require('chai').assert;18var assertLength = assert.lengthOf;19assertLength([1,2,3], 3);20assertLength('foobar', 6);21var assert = require('chai').assert;22var assertLength = assert.lengthOf;23assertLength([1,2,3], 3);24assertLength('foobar', 6);25var assert = require('chai').assert;26var assertLength = assert.lengthOf;27assertLength([1,2,3], 3);28assertLength('foobar', 6);29var assert = require('chai').assert;30var assertLength = assert.lengthOf;31assertLength([1,2,3], 3);32assertLength('foobar', 6);33var assert = require('chai').assert;34var assertLength = assert.lengthOf;35assertLength([1,2,3], 3);36assertLength('foobar', 6);37var assert = require('chai').assert;38var assertLength = assert.lengthOf;39assertLength([1,2,3], 3);40assertLength('foobar', 6);41var assert = require('chai').assert;42var assertLength = assert.lengthOf;

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1const assertLength = require('chai-assert-length');2const assert = require('chai').assert;3const expect = require('chai').expect;4const should = require('chai').should();5assertLength(assert, 1);6assertLength(expect, 1);7assertLength(should, 1);8describe('Test', function() {9 it('Test', function() {10 assert.lengthOf([1, 2, 3], 3);11 expect([1, 2, 3]).to.have.lengthOf(3);12 [1, 2, 3].should.have.lengthOf(3);13 });14});15const assertLength = require('chai-assert-length');16const chai = require('chai');17const should = chai.should();18assertLength(chai, 1);19describe('Test', function() {20 it('Test', function() {21 [1, 2, 3].should.have.lengthOf(3);22 });23});24const assertLength = require('chai-assert-length');25const chai = require('chai');26const should = chai.should();27assertLength(chai, 1);28describe('Test', function() {29 it('Test', function() {30 [1, 2, 3].should.have.lengthOf(3);31 });32});33const assertLength = require('chai-assert-length');34const chai = require('chai');35const should = chai.should();36assertLength(chai, 1);37describe('Test', function() {38 it('Test', function() {39 [1, 2, 3].should.have.lengthOf(3);40 });41});42const assertLength = require('chai-assert-length');43const chai = require('chai');44const should = chai.should();45assertLength(chai, 1);46describe('Test', function() {47 it('Test', function() {48 [1, 2, 3].should.have.lengthOf(3);49 });50});51const assertLength = require('chai-assert-length');52const chai = require('chai');

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1var assert = require('chai').assert;2var assertLength = require('chai').assert.lengthOf;3var assertType = require('chai').assert.typeOf;4var assertEqual = require('chai').assert.equal;5var assertInclude = require('chai').assert.include;6var assertMatch = require('chai').assert.match;7describe('Array', function() {8 describe('#indexOf()', function() {9 it('should return -1 when the value is not present', function() {10 assert.equal(-1, [1,2,3].indexOf(5));11 assert.equal(-1, [1,2,3].indexOf(0));12 });13 });14});15var assert = require('chai').assert;16var assertLength = require('chai').assert.lengthOf;17var assertType = require('chai').assert.typeOf;18var assertEqual = require('chai').assert.equal;19var assertInclude = require('chai').assert.include;20var assertMatch = require('chai').assert.match;21describe('Array', function() {22 describe('#indexOf()', function() {23 it('should return -1 when the value is not present', function() {24 assert.equal(-1, [1,2,3].indexOf(5));25 assert.equal(-1, [1,2,3].indexOf(0));26 });27 });28});29var assert = require('chai').assert;30var assertLength = require('chai').assert.lengthOf;31var assertType = require('chai').assert.typeOf;32var assertEqual = require('chai').assert.equal;33var assertInclude = require('chai').assert.include;34var assertMatch = require('chai').assert.match;35describe('Array', function() {36 describe('#indexOf()', function() {37 it('should return -1 when the value is not present', function() {38 assert.equal(-1, [1,2,3].indexOf(5));39 assert.equal(-1, [1,2,3].indexOf(0));40 });41 });42});43var assert = require('chai').assert;44var assertLength = require('chai').assert.lengthOf;45var assertType = require('chai').assert.typeOf;46var assertEqual = require('chai').assert.equal;47var assertInclude = require('chai').assert

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1const assert = require('chai').assert;2const assertLength = require('../index');3assertLength(assert);4describe('Test', function () {5 it('should assert array length', function () {6 assert.lengthOf([1, 2, 3], 3);7 });8});9module.exports = function (assert) {10 assert.lengthOf = (actual, expected, message) => {11 assert.equal(actual.length, expected, message);12 };13};14 1 passing (7ms)15 0 passing (7ms)16 AssertionError: expected [ Array(3) ] to have a length of 2 but got 317 1 passing (7ms)18 0 passing (7ms)19 AssertionError: expected [ Array(3) ] to have a length of 2 but got 320 1 passing (7ms)21 0 passing (7ms)22 AssertionError: expected [ Array(3) ] to have a length of 2 but got 323 1 passing (7ms)24 0 passing (7ms)25 AssertionError: expected [ Array(3) ] to have a length of 2 but got 326 1 passing (7ms)27 0 passing (7ms)

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1const assert = require('chai').assert;2const assertLength = require('../index.js');3assertLength(assert, 3, '3 is the length of the string');4assertLength(assert, 4, '4 is the length of the string');5assertLength(assert, 5, '5 is the length of the string');6module.exports = function(assert, length, message){7 assert.lengthOf(message, length, message);8}9"scripts": {10 }

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