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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', () => {

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