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import {jest} from '@jest/globals'
import {logger} from '#/logger'
import {transparentifyColor} from '../colorGeneration'
jest.mock('#/logger', () => ({
logger: {warn: jest.fn()},
}))
describe('transparentifyColor', () => {
beforeEach(() => {
jest.clearAllMocks()
})
it('converts hsl() to hsla()', () => {
const result = transparentifyColor('hsl(120 100% 50%)', 0.5)
expect(result).toBe('hsla(120 100% 50%, 0.5)')
})
it('converts hsl() to hsla() - fully transparent', () => {
const result = transparentifyColor('hsl(120 100% 50%)', 0)
expect(result).toBe('hsla(120 100% 50%, 0)')
})
it('converts rgb() to rgba()', () => {
const result = transparentifyColor('rgb(255 0 0)', 0.75)
expect(result).toBe('rgba(255 0 0, 0.75)')
})
it('expands 3-digit hex and appends alpha channel', () => {
const result = transparentifyColor('#abc', 0.4)
expect(result).toBe('#aabbcc66')
})
it('appends alpha to 6-digit hex', () => {
const result = transparentifyColor('#aabbcc', 0.4)
expect(result).toBe('#aabbcc66')
})
it('returns the original string and warns for unsupported formats', () => {
const unsupported = 'blue'
const result = transparentifyColor(unsupported, 0.5)
expect(result).toBe(unsupported)
expect(logger.warn).toHaveBeenCalledWith(
`Could not make '${unsupported}' transparent`,
)
})
})
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