How to use toBeInteger method in jest-extended

Best JavaScript code snippet using jest-extended

index.test.js

Source:index.test.js

...73  });74  describe('Number', () => {75    it('extended matchers for Number', () => {76      expect(100).toBePositive();77      expect(100).toBeInteger();78      expect(3.142).not.toBeInteger();79      expect(Number('hi')).toBeNaN();80    });81  });82  describe('Array', () => {83    it('extended matchers for Array', () => {84      const input = [1, 2, 3, 4];85      expect(input).toBeArray();86      expect(input).toBeArrayOfSize(4);87      expect(input).toIncludeAllMembers([4, 3, 2, 1]);88      expect(input).toSatisfyAll((x) => x < 10);89    });90  });91  describe('Object', () => {92    it('extended matchers for Object', () => {...

to_be_integer.js

Source:to_be_integer.js

...5      compare: function (actual) {6        var result = {};7        result.pass = typeof actual === 'number' && isFinite(actual) && Math.floor(actual) === actual;8        if (result.pass) {9          // message for use with expect(...).not.toBeInteger()10          result.message = "Expected " + actual + " to not be an integer";11        }12        else {13          result.message = "Expected " + actual + " to be an integer";14        }15        return result;16      }17    }18  },19}20beforeEach(function () {21  jasmine.addMatchers(customMatchers);22});23describe("Custom matcher: toBeInteger()", function () {24  it("text string", function () {25    expect("hello").not.toBeInteger();26  })27  it("numeric string", function () {28    expect("0").not.toBeInteger();29  })30  it("zero", function () {31    expect(0).toBeInteger();32  })33  it("positive integer", function () {34    expect(42).toBeInteger();35  })36  it("negative integer", function () {37    expect(-42).toBeInteger();38  })39  it("positive float", function () {40    expect(42.5).not.toBeInteger();41  })42  it("negative float", function () {43    expect(-42.5).not.toBeInteger();44  })45  it("epsilon", function () {46    expect(Number.EPSILON).not.toBeInteger();47  })48  it("+Infinity", function () {49    expect(Infinity).not.toBeInteger();50  })51  it("NaN", function () {52    expect(NaN).not.toBeInteger();53  })...

generateTsNode.test.ts

Source:generateTsNode.test.ts

...5  it("should be a declaration file", () => {6    expect(result.isDeclarationFile).toBeTrue();7  });8  it("should have start and end positions", () => {9    expect(result.pos).toBeInteger();10    expect(result.end).toBeInteger();11  });12  it("should have flags", () => {13    expect(result.flags).toBeInteger();14  });15  it("should be the correct `kind` of node", () => {16    expect(result.kind).toBeInteger();17    expect(result.kind).toBe(303);18  });19  it("should be an array of statements", () => {20    expect(result.statements).toBeArray();21    expect(result.statements.length).toBeGreaterThan(0);22  });...

Using AI Code Generation

1const { toBeInteger } = require('jest-extended')2expect.extend({ toBeInteger })3test('passes when value is an integer', () => {4  expect(1).toBeInteger()5})6test('fails when value is not an integer', () => {7  expect(1.2).not.toBeInteger()8})9✓ passes when value is an integer (2ms)10✓ fails when value is not an integer (1ms)11✕ passes when value is an integer (3ms)12✕ fails when value is not an integer (1ms)13    expect(received).toBeInteger()14      5 | test('passes when value is an integer', () => {15      6 |   expect(1).toBeInteger()16    > 7 |   expect(1.2).toBeInteger()17      8 | })18     10 | test('fails when value is not an integer', () => {19      at Object.toBeInteger (test.js:7:14)20    expect(received).not.toBeInteger()21     10 | test('fails when value is not an integer', () => {22    > 11 |   expect(1.2).not.toBeInteger()23     12 | })24      at Object.not.toBeInteger (test.js:11:15)25✓ passes when value is an integer (2ms)26✓ fails when value is not an integer (1ms)

Using AI Code Generation

1const { toBeInteger } = require('jest-matcher-utils');2const { matcherHint, printExpected, printReceived } = require('jest-matcher-utils');3const passMessage = (received) => () =>4  matcherHint('.not.toBeInteger', 'received', '') +5  `  ${printReceived(received)}`;6const failMessage = (received) => () =>7  matcherHint('.toBeInteger', 'received', '') +8  `  ${printReceived(received)}`;9exports.toBeInteger = (received) => {10  const pass = toBeInteger(received);11  if (pass) {12    return { pass: true, message: passMessage(received) };13  } else {14    return { pass: false, message: failMessage(received) };15  }16};17const { toBeInteger } = require('./toBeInteger');18expect.extend({ toBeInteger });19test('passes when given an integer', () => {20  expect(1).toBeInteger();21});22test('fails when not given an integer', () => {23  expect('1').not.toBeInteger();24});25test('fails when given a float', () => {26  expect(1.1).not.toBeInteger();27});28test('fails when given an object', () => {29  expect({}).not.toBeInteger();30});31test('fails when given an array', () => {32  expect([]).not.toBeInteger();33});34test('fails when given null', () => {35  expect(null).not.toBeInteger();36});37test('fails when given undefined', () => {38  expect(undefined).not.toBeInteger();39});40test('fails when given NaN', () => {41  expect(NaN).not.toBeInteger();42});43test('fails when given Infinity', () => {44  expect(Infinity).not.toBeInteger();45});46test('fails when given -Infinity', () => {47  expect(-Infinity).not.toBeInteger();48});49test('fails when given a string', () => {50  expect('1').not.toBeInteger();51});52test('fails when given a boolean', () => {53  expect(true).not.toBeInteger();54});55test('fails when given a function', () => {56  expect(() => {}).not.toBeInteger();57});58test('fails when given a symbol', () => {

Using AI Code Generation

1const { toBeInteger } = require('jest-extended');2expect.extend({ toBeInteger });3test('passes when value is an integer', () => {4  expect(1).toBeInteger();5});6test('fails when value is not an integer', () => {7  expect(1.5).not.toBeInteger();8});9test('fails when value is not a number', () => {10  expect('foo').not.toBeInteger();11});12const { toBeObject } = require('jest-extended');13expect.extend({ toBeObject });14test('passes when value is an object', () => {15  expect({}).toBeObject();16});17test('fails when value is not an object', () => {18  expect(1).not.toBeObject();19});20test('fails when value is null', () => {21  expect(null).not.toBeObject();22});23const { toBeOddNumber } = require('jest-extended');24expect.extend({ toBeOddNumber });25test('passes when value is an odd number', () => {26  expect(1).toBeOddNumber();27});28test('fails when value is not an odd number', () => {29  expect(2).not.toBeOddNumber();30});31test('fails when value is not a number', () => {32  expect('foo').not.toBeOddNumber();33});34const { toBeString } = require('jest-extended');35expect.extend({ toBeString });36test('passes when value is a string', () => {37  expect('foo').toBeString();38});39test('fails when value is not a string', () => {40  expect(1).not.toBeString();41});42const { toBeTrue } = require('jest-extended');43expect.extend({ toBeTrue });44test('passes when value is true', () => {45  expect(true).toBeTrue();46});47test('fails

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