Related

Mock Functions

jest

Create mock functions for testing

Install Jest

jest

Install Jest testing framework

Initialize Jest

jest

Initialize Jest configuration

jest/before

Setup and Teardown

Setup and teardown functions

jest
before
setup

Command

beforeEach(() => { ... })

Explanation

Setup and teardown functions help prepare test environment and clean up after tests.

Examples

Run before each test

beforeEach(() => { ... })

Run once before all tests

beforeAll(() => { ... })

Run after each test

afterEach(() => { ... })

More

Run Tests

jest

Run Jest tests

Watch Mode

jest

Run tests in watch mode

Coverage Report

jest

Generate test coverage report