deepseek-harness/packages/client/ui-sidebar-documentpreview/tests/text-title.client.spec.tsx

// @vitest-environment jsdom
/** The chip title: the file type's sheet, then the name the registry captured. */
import { afterEach, describe, expect, it } from 'vitest'
import { cleanup, render } from '@testing-library/react'
import type { PropsRuntime } from '@deepseek-ai/dsh-client-ui-slots'
import { TextTitle } from '../src/client/TextTitle.tsx'

afterEach(cleanup)

function props(title: string): PropsRuntime<'sidebar.right.pane.tab.title'> {
  return { useTabInfo: () => ({ tab: { title } }) } as unknown as PropsRuntime<'sidebar.right.pane.tab.title'>
}

describe('TextTitle', () => {
  it('draws the type sheet before the title text, sized to the chip line', () => {
    const { container } = render(<TextTitle {...props('README.md')} />)
    const svg = container.querySelector('svg')
    expect(svg?.getAttribute('width')).toBe('16')
    expect(svg?.getAttribute('aria-hidden')).toBe('true')
    expect(container.textContent).toBe('README.md')
  })

  it('picks the sheet from the title\'s extension', () => {
    const markdown = render(<TextTitle {...props('notes.md')} />).container.querySelector('svg')?.innerHTML
    const pdf = render(<TextTitle {...props('paper.pdf')} />).container.querySelector('svg')?.innerHTML
    expect(markdown).not.toBe(pdf)
  })
})