import { describe, expect, it } from 'vitest'
import { render, screen } from '@testing-library/react'
import { axe } from 'vitest-axe'
import { AspectRatio } from './AspectRatio'

HTMLCanvasElement.prototype.getContext = (() => ({ measureText: () => ({ width: 0 }) })) as unknown as typeof HTMLCanvasElement.prototype.getContext

describe('AspectRatio', () => {
  it('renders children', () => {
    render(
      <AspectRatio data-testid="ratio">
        <span>Media</span>
      </AspectRatio>,
    )
    expect(screen.getByText('Media')).toBeTruthy()
  })

  it('applies the gap token var and min-width overflow guard', () => {
    render(<AspectRatio data-testid="ratio" gap="4">Media</AspectRatio>)
    const ratio = screen.getByTestId('ratio')
    expect(ratio.style.getPropertyValue('--aspect-gap')).toBe('var(--mod-space-4)')
    expect(ratio.style.paddingBlock).toBe('var(--aspect-gap)')
    expect(ratio.style.minWidth).toBe('0')
  })

  it('stays axe-clean', async () => {
    const { container } = render(<AspectRatio><span>Media</span></AspectRatio>)
    await expect(axe(container)).resolves.toHaveNoViolations()
  })
})