import invokePlugin from '../util/invokePlugin' import plugin from '../../src/plugins/ringColor' test('defining color as a function', () => { const config = { theme: { ringColor: { black: ({ opacityVariable: _ }) => 'black', }, }, variants: { ringColor: [], }, } const { utilities } = invokePlugin(plugin(), config) expect(utilities).toEqual([ [ { '.ring-black': { '--tw-ring-opacity': '1', '--tw-ring-color': 'black', }, }, [], ], ]) })