/
getClassList.test.js
119 lines (94 loc) · 3.45 KB
/
getClassList.test.js
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import resolveConfig from '../src/public/resolve-config'
import { createContext } from '../src/lib/setupContextUtils'
it('should generate every possible class, without variants', () => {
let config = {}
let context = createContext(resolveConfig(config))
let classes = context.getClassList()
expect(classes).toBeInstanceOf(Array)
// Verify we have a `container` for the 'components' section.
expect(classes).toContain('container')
// Verify we handle the DEFAULT case correctly
expect(classes).toContain('border')
// Verify we handle negative values correctly
expect(classes).toContain('-inset-1/4')
expect(classes).toContain('-m-0')
expect(classes).not.toContain('-uppercase')
expect(classes).not.toContain('-opacity-50')
config = { theme: { extend: { margin: { DEFAULT: '5px' } } } }
context = createContext(resolveConfig(config))
classes = context.getClassList()
expect(classes).not.toContain('-m-DEFAULT')
})
it('should generate every possible class while handling negatives and prefixes', () => {
let config = { prefix: 'tw-' }
let context = createContext(resolveConfig(config))
let classes = context.getClassList()
expect(classes).toBeInstanceOf(Array)
// Verify we have a `container` for the 'components' section.
expect(classes).toContain('tw-container')
// Verify we handle the DEFAULT case correctly
expect(classes).toContain('tw-border')
// Verify we handle negative values correctly
expect(classes).toContain('-tw-inset-1/4')
expect(classes).toContain('-tw-m-0')
expect(classes).not.toContain('-tw-uppercase')
expect(classes).not.toContain('-tw-opacity-50')
// These utilities do work but there's no reason to generate
// them alongside the `-{prefix}-{utility}` versions
expect(classes).not.toContain('tw--inset-1/4')
expect(classes).not.toContain('tw--m-0')
config = {
prefix: 'tw-',
theme: { extend: { margin: { DEFAULT: '5px' } } },
}
context = createContext(resolveConfig(config))
classes = context.getClassList()
expect(classes).not.toContain('-tw-m-DEFAULT')
})
it('should not generate utilities with opacity by default', () => {
let config = {}
let context = createContext(resolveConfig(config))
let classes = context.getClassList()
expect(classes).not.toContain('bg-red-500/50')
})
it('should not generate utilities with opacity even if safe-listed', () => {
let config = {
safelist: [
{
pattern: /^bg-red-(400|500)(\/(40|50))?$/,
},
],
}
let context = createContext(resolveConfig(config))
let classes = context.getClassList()
expect(classes).not.toContain('bg-red-500/50')
})
it('should not generate utilities that are set to undefined or null to so that they are removed', () => {
let config = {
theme: {
extend: {
colors: {
red: null,
green: undefined,
blue: {
100: null,
200: undefined,
},
},
},
},
safelist: [
{
pattern: /^bg-(red|green|blue)-.*$/,
},
],
}
let context = createContext(resolveConfig(config))
let classes = context.getClassList()
expect(classes).not.toContain('bg-red-100') // Red is `null`
expect(classes).not.toContain('bg-green-100') // Green is `undefined`
expect(classes).not.toContain('bg-blue-100') // Blue.100 is `null`
expect(classes).not.toContain('bg-blue-200') // Blue.200 is `undefined`
expect(classes).toContain('bg-blue-50')
expect(classes).toContain('bg-blue-300')
})