Jest

Jest

Jest is a JavaScript testing framework.

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Jest

afterAll

afterEach

Async Matchers

beforeAll

beforeEach

Configuring Jest

Custom Matchers API

Custom snapshot matchers

describe

describe.each

describe.only

describe.only.each

describe.skip

describe.skip.each

Expect

expect.extend( matchers)

expect .stringContaining( string)

Globals

Jest CLI Options

Mock Functions

.not

test

test.each

test.only

test.only.each

test.skip.each

test.todo

The Jest Object

this.equals(a, b)

this.expand

this.isNot

this.promise

this.utils

.toBeFalsy()

.toBeNaN()

.toBeNull()

.toBeUndefined()

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