jest-stitches
jest-stitches
Jest utilities for Stitches
npm i -D jest-stitches
Stitches snapshots
The easiest way to test React, Preact, and Preact X components with Stitches is using the snapshot serializer. You can register the serializer via the snapshotSerializers
configuration property in your jest configuration like so:
// jest.config.jsmoduleexports = // ... other config snapshotSerializers: 'jest-stitches'
Or you can customize the serializer via the createSerializer
method like so: (the example below is with react-test-renderer but jest-stitches
also works with enzyme and react-testing-library)
import React from 'react'import renderer from 'react-test-renderer'import createStyled from '@stitches/react'import serializer from 'jest-stitches' const styled css = expect
Options
DOMElements
jest-stitches
's snapshot serializer inserts styles and replaces class names in both React and DOM elements. If you would like to disable this behavior for DOM elements, you can do so by passing { DOMElements: false }
. For example:
import createSerializer from 'jest-stitches' // configures jest-stitches to ignore DOM elementsexpect
Custom assertions
toHaveStyleRule
To make more explicit assertions when testing your components you can use the toHaveStyleRule
matcher.
import React from 'react'import renderer from 'react-test-renderer'import createStyled from '@stitches/react'import matchers from 'jest-stitches' const styled css = // Add the custom matchers provided by 'jest-stitches'expect
Credit
This was inspired by and relies almost entirely on work by jest-emotion which was largely inspired by jest-glamor-react.
LICENSE
MIT