Related

React Testing

jest

Test React components

Async Testing

jest

Test asynchronous code

DOM Testing

jest

Test DOM elements

jest/snapshot

Snapshot Testing

Test component snapshots

jest
snapshot
components

Command

expect(component).toMatchSnapshot()

Explanation

Snapshot testing captures the output of components and compares it to stored snapshots.

Examples

Create snapshot

expect(component).toMatchSnapshot()

Inline snapshot

expect(tree).toMatchInlineSnapshot()

More

Install Jest

jest

Install Jest testing framework

Coverage Report

jest

Generate test coverage report

Mock Functions

jest

Create mock functions for testing