import { describe, expect, it } from 'vitest'
import { renderMarkdownContent } from './vite-plugin-content.js'

describe('markdown content rendering', () => {
  it('removes only an initial level-one heading', () => {
    const html = renderMarkdownContent('# Duplicate title\n\nIntro\n\n## Section')

    expect(html).not.toContain('<h1>Duplicate title</h1>')
    expect(html).toContain('<p>Intro</p>')
    expect(html).toContain('<h2>Section</h2>')
  })

  it('keeps content when no initial level-one heading exists', () => {
    const html = renderMarkdownContent('Intro\n\n# Deliberate heading')

    expect(html).toContain('<p>Intro</p>')
    expect(html).toContain('<h1>Deliberate heading</h1>')
  })
})