Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use toBeBoolean method in jest-extended

Best JavaScript code snippet using jest-extended

validation.test.ts

Source:validation.test.ts

1import { isEmpty, isUndefined } from '../validation';2describe(`isUndefined() - Determine if an input is defined.`, () => {3  it(`PASSES if 'undefined' is passed.`, () => {4    expect(isUndefined(undefined)).toBeBoolean().toBeTrue();5  });6  it(`FAILS if a defined property is passed.`, () => {7    expect(isUndefined('defined')).toBeBoolean().toBeFalse();8  });9});10describe(`isEmpty() - Determine if a given input is empty.`, () => {11  it(`PASSES if an empty object is passed.`, () => {12    expect(isEmpty({})).toBeBoolean().toBeTrue();13  });14  it(`PASSES if an empty array is passed.`, () => {15    expect(isEmpty([])).toBeBoolean().toBeTrue();16  });17  it(`PASSES if an empty string is passed.`, () => {18    expect(isEmpty('')).toBeBoolean().toBeTrue();19  });20  it(`PASSES if a NaN is passed.`, () => {21    expect(isEmpty(NaN)).toBeBoolean().toBeTrue();22  });23  it(`FAILS if a non-empty object is passed.`, () => {24    const obj = { foo: 'bar' };25    expect(isEmpty(obj)).toBeBoolean().toBeFalse();26  });27  it(`FAILS if a non-empty array is passed.`, () => {28    expect(isEmpty(['foo']))29      .toBeBoolean()30      .toBeFalse();31  });32  it(`FAILS if a non-empty string is passed.`, () => {33    expect(isEmpty('foo')).toBeBoolean().toBeFalse();34  });35  it(`FAILS if a number is passed.`, () => {36    expect(isEmpty(1234)).toBeBoolean().toBeFalse();37  });38  it(`THROWS if a null property is passed.`, () => {39    expect(() => isEmpty(null)).toThrowError();40  });41  it(`THROWS if an undefined property is passed.`, () => {42    expect(() => isEmpty(undefined)).toThrowError();43  });...

booleans.test.js

Source:booleans.test.js

...14    });15  });16  describe('toBeBoolean', function () {17    it('asserts value is not only truthy or falsy, but a boolean', function () {18      expect(true).toBeBoolean();19      expect(false).toBeBoolean();20      expect(new Boolean(true)).toBeBoolean();21      expect(new Boolean(false)).toBeBoolean();22      expect(1).not.toBeBoolean();23      expect(0).not.toBeBoolean();24    });25  });...

Using AI Code Generation

1const { toBeBoolean } = require('jest-extended');2expect.extend({ toBeBoolean });3test('passes when value is a boolean', () => {4  expect(true).toBeBoolean();5});6test('fails when value is not a boolean', () => {7  expect(1).not.toBeBoolean();8});9const chai = require('chai');10chai.use(require('chai-boolean'));11expect(true).to.be.a.boolean();12expect(1).to.not.be.a.boolean();13const chai = require('chai');14chai.use(require('chai-boolean'));15expect(true).to.be.a.boolean();16expect(1).to.not.be.a.boolean();17const chai = require('chai');18chai.use(require('chai-boolean'));19expect(true).to.be.a.boolean();20expect(1).to.not.be.a.boolean();21const chai = require('chai');22chai.use(require('chai-boolean'));23expect(true).to.be.a.boolean();24expect(1).to.not.be.a.boolean();25const chai = require('chai');26chai.use(require('chai-boolean'));27expect(true).to.be.a.boolean();28expect(1).to.not.be.a.boolean();29const chai = require('chai');30chai.use(require('chai-boolean'));31expect(true).to.be.a.boolean();32expect(1).to.not.be.a.boolean();33const chai = require('chai');34chai.use(require('chai-boolean'));35expect(true).to.be.a.boolean();36expect(1).to.not.be.a.boolean();37const chai = require('chai');38chai.use(require('chai-boolean'));39expect(true).to.be.a.boolean();40expect(1).to.not.be.a.boolean();41const chai = require('chai');42chai.use(require('chai-boolean'));43expect(true).to

Using AI Code Generation

1const { toBeBoolean } = require('jest-extended');2expect.extend({ toBeBoolean });3test('passes when value is a boolean', () => {4  expect(true).toBeBoolean();5});6test('fails when value is not a boolean', () => {7  expect(1).not.toBeBoolean();8});9const { toBeString } = require('jest-extended');10expect.extend({ toBeString });11test('passes when value is a string', () => {12  expect('foo').toBeString();13});14test('fails when value is not a string', () => {15  expect(1).not.toBeString();16});17const { toBeNumber } = require('jest-extended');18expect.extend({ toBeNumber });19test('passes when value is a number', () => {20  expect(1).toBeNumber();21});22test('fails when value is not a number', () => {23  expect('1').not.toBeNumber();24});25const { toBeArray } = require('jest-extended');26expect.extend({ toBeArray });27test('passes when value is an array', () => {28  expect([]).toBeArray();29});30test('fails when value is not an array', () => {31  expect({}).not.toBeArray();32});33const { toBeObject } = require('jest-extended');34expect.extend({ toBeObject });35test('passes when value is an object', () => {36  expect({}).toBeObject();37});38test('fails when value is not an object', () => {39  expect([]).not.toBeObject();40});41const { toBeFunction } = require('jest-extended');42expect.extend({ toBeFunction });43test('passes when value is a function', () => {44  expect(() => {}).toBeFunction();45});46test('fails when value is not a function', () => {47  expect(1).not.toBeFunction();48});49const { toBeDate }

Using AI Code Generation

1const { toBeBoolean } = require('jest-extended');2expect.extend({ toBeBoolean });3test('passes when value is a boolean', () => {4  expect(true).toBeBoolean();5  expect(false).toBeBoolean();6});7test('fails when value is not a boolean', () => {8  expect(null).not.toBeBoolean();9  expect(1).not.toBeBoolean();10  expect('true').not.toBeBoolean();11  expect('false').not.toBeBoolean();12});13const { toBeEmpty } = require('jest-extended');14expect.extend({ toBeEmpty });15test('passes when value is empty', () => {16  expect('').toBeEmpty();17  expect([]).toBeEmpty();18  expect({}).toBeEmpty();19});20test('fails when value is not empty', () => {21  expect('a').not.toBeEmpty();22  expect(['a']).not.toBeEmpty();23  expect({ a: 1 }).not.toBeEmpty();24});25const { toBeEmptyArray } = require('jest-extended');26expect.extend({ toBeEmptyArray });27test('passes when value is an empty array', () => {28  expect([]).toBeEmptyArray();29});30test('fails when value is not an empty array', () => {31  expect(['a']).not.toBeEmptyArray();32  expect('').not.toBeEmptyArray();33});34const { toBeEmptyObject } = require('jest-extended');35expect.extend({ toBeEmptyObject });36test('passes when value is an empty object', () => {37  expect({}).toBeEmptyObject();38});39test('fails when value is not an empty object', () => {40  expect({ a: 1 }).not.toBeEmptyObject();41  expect('').not.toBeEmptyObject();42});43const { toBeEmptyString } = require('jest-extended');44expect.extend({ toBeEmptyString });45test('passes when value is an empty string', () => {46  expect('').toBeEmptyString();47});48test('fails when value is not an empty string', () => {49  expect('a').not.toBeEmptyString();50  expect('').not.toBe

Using AI Code Generation

1const { toBeBoolean } = require('jest-extended');2expect.extend({ toBeBoolean });3test('passing assertion', () => {4  expect(true).toBeBoolean();5});6test('failing assertion', () => {7  expect(false).toBeBoolean();8});9✓ passing assertion (3ms)10✕ failing assertion (1ms)

Using AI Code Generation

1const { toBeBoolean } = require('jest-extended');2expect.extend({ toBeBoolean });3expect(true).toBeBoolean();4expect(false).toBeBoolean();5expect(1).not.toBeBoolean();6expect('true').not.toBeBoolean();7expect('false').not.toBeBoolean();8expect.extend({ toBeBoolean });9expect(true).toBeBoolean();10expect(false).toBeBoolean();11expect(1).not.toBeBoolean();12expect('true').not.toBeBoolean();13expect('false').not.toBeBoolean();14expect.extend({ toBeBoolean });15expect(true).toBeBoolean();16expect(false).toBeBoolean();17expect(1).not.toBeBoolean();18expect('true').not.toBeBoolean();19expect('false').not.toBeBoolean();20expect.extend({ toBeBoolean });21expect(true).toBeBoolean();22expect(false).toBeBoolean();23expect(1).not.toBeBoolean();24expect('true').not.toBeBoolean();25expect('false').not.toBeBoolean();26expect.extend({ toBeBoolean });27expect(true).toBeBoolean();28expect(false).toBeBoolean();29expect(1).not.toBeBoolean();30expect('true').not.toBeBoolean();31expect('false').not.toBeBoolean();32expect.extend({ toBeBoolean });33expect(true).toBeBoolean();34expect(false).toBeBoolean();35expect(1).not.toBeBoolean();36expect('true').not.toBeBoolean();37expect('false').not.toBeBoolean();38expect.extend({ toBeBoolean });39expect(true).toBeBoolean();40expect(false).toBeBoolean();41expect(1).not.toBeBoolean();42expect('true').not.toBeBoolean();43expect('false').not.toBeBoolean();

Using AI Code Generation

1test("toBeBoolean", () => {2    expect(true).toBeBoolean();3    expect(false).toBeBoolean();4});5test("toBeBoolean", () => {6    expect(true).toBeBoolean();7    expect(false).toBeBoolean();8});9test("toBeBoolean", () => {10    expect(true).toBeBoolean();11    expect(false).toBeBoolean();12});13test("toBeBoolean", () => {14    expect(true).toBeBoolean();15    expect(false).toBeBoolean();16});17test("toBeBoolean", () => {18    expect(true).toBeBoolean();19    expect(false).toBeBoolean();20});21test("toBeBoolean", () => {22    expect(true).toBeBoolean();23    expect(false).toBeBoolean();24});25test("toBeBoolean", () => {26    expect(true).toBeBoolean();27    expect(false).toBeBoolean();28});29test("toBeBoolean", () => {30    expect(true).toBeBoolean();31    expect(false).toBeBoolean();32});33test("toBeBoolean", () => {34    expect(true).toBeBoolean();35    expect(false).toBeBoolean();36});37test("toBeBoolean", () => {38    expect(true).toBeBoolean();39    expect(false).toBeBoolean();40});41test("toBeBoolean", () => {42    expect(true).toBeBoolean();43    expect(false).toBeBoolean();44});45test("toBeBoolean", () => {46    expect(true).toBeBoolean();47    expect(false).toBeBoolean();48});49test("toBeBoolean", () => {50    expect(true).toBeBoolean();51    expect(false).toBeBoolean();52});53test("toBeBoolean", () => {54    expect(true).toBeBoolean();55    expect(false).toBeBoolean();56});

Using AI Code Generation

1const { toBeBoolean } = require('jest-extended');2expect.extend({ toBeBoolean });3test('true is a boolean', () => {4  expect(true).toBeBoolean();5});6const { toBeBoolean } = require('jest-extended');7expect.extend({ toBeBoolean });8test('true is a boolean', () => {9  expect(true).toBeBoolean();10});11const { toBeBoolean } = require('jest-extended');12expect.extend({ toBeBoolean });13test('true is a boolean', () => {14  expect(true).toBeBoolean();15});16const { toBeBoolean } = require('jest-extended');17expect.extend({ toBeBoolean });18test('true is a boolean', () => {19  expect(true).toBeBoolean();20});21const { toBeBoolean } = require('jest-extended');22expect.extend({ toBeBoolean });23test('true is a boolean', () => {24  expect(true).toBeBoolean();25});26const { toBeBoolean } = require('jest-extended');27expect.extend({ toBeBoolean });28test('true is a boolean', () => {29  expect(true).toBeBoolean();30});31const { toBeBoolean } = require('jest-extended');32expect.extend({ toBeBoolean });33test('true is a boolean', () => {34  expect(true).toBeBoolean();35});36const { toBeBoolean } = require('jest-extended');37expect.extend({ toBeBoolean });38test('true is a boolean', () => {39  expect(true).toBeBoolean();40});41const { toBeBoolean } = require('jest-extended');42expect.extend({ toBeBoolean });43test('true is a boolean', () => {44  expect(true).toBeBoolean();45});

Using AI Code Generation

1const { toBeBoolean } = require("jest-extended");2expect.extend({ toBeBoolean });3test("toBeBoolean", () => {4  expect(true).toBeBoolean();5  expect(false).toBeBoolean();6  expect("true").not.toBeBoolean();7  expect("false").not.toBeBoolean();8});9const { toBeDate } = require("jest-extended");10expect.extend({ toBeDate });11test("toBeDate", () => {12  expect(new Date()).toBeDate();13  expect(new Date("2020-01-01")).toBeDate();14  expect("2020-01-01").not.toBeDate();15});16const { toBeEmpty } = require("jest-extended");17expect.extend({ toBeEmpty });18test("toBeEmpty", () => {19  expect([]).toBeEmpty();20  expect("").toBeEmpty();21  expect({}).toBeEmpty();22  expect([1, 2, 3]).not.toBeEmpty();23  expect("abc").not.toBeEmpty();24  expect({ a: 1, b: 2 }).not.toBeEmpty();25});26const { toBeEmptyArray } = require("jest-extended");27expect.extend({ toBeEmptyArray });28test("toBeEmptyArray", () => {29  expect([]).toBeEmptyArray();30  expect([1, 2, 3]).not.toBeEmptyArray();31});32const { toBeEmptyObject } = require("jest-extended");33expect.extend({ toBeEmptyObject });34test("toBeEmptyObject", () => {35  expect({}).toBeEmptyObject();36  expect({ a: 1, b: 2 }).not.toBeEmptyObject();37});38const { toBeEmptyString } = require("jest-extended");39expect.extend({ toBeEmptyString });40test("toBeEmptyString", () => {41  expect("").toBeEmptyString();42  expect("abc").not.toBeEmpty

Using AI Code Generation

1import 'jest-extended';2test('test boolean', () => {3  expect(true).toBeBoolean();4});5expect(value).toBeBoolean()6import 'jest-extended';7test('test boolean', () => {8  expect(true).toBeBoolean();9});10  ✓ test boolean (1 ms)11import 'jest-extended';12test('test boolean', () => {13  expect(1).toBeBoolean();14});15  ✕ test boolean (1 ms)16    expect(received).toBeBoolean()17      4 | test('test boolean', () => {18      5 |   expect(1).toBeBoolean();19    > 6 | });20      at Object.<anonymous> (test.js:6:3)21import 'jest-extended';22test('test boolean', () => {23  expect(null).toBeBoolean();24});25  ✕ test boolean (1 ms)26    expect(received).toBeBoolean()27      4 | test('test boolean', () => {28      5 |   expect(null).toBeBoolean();29    > 6 | });30      at Object.<anonymous> (test.js:6:3)31import 'jest-extended';32test('test boolean', () => {33  expect(undefined).toBeBoolean();34});35  ✕ test boolean (1 ms)36    expect(received).toBeBoolean()37      4 | test('test boolean', () => {

Automation Testing Tutorials

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.