Function render

packages/react/src/drafts/MarkdownEditor/MarkdownEditor.test.tsx:44–108

(ui: React.ReactElement)

const assertNotNull: <T>(t: T | null) => asserts t is T = t => expect(t).not.toBeNull()

const render = async (ui: React.ReactElement) => {
  const result = _render(ui)
  // eslint-disable-next-line testing-library/await-async-events
  const user = userEvent.setup()

  const getInput = () => result.getByRole('textbox') as HTMLTextAreaElement

  const getToolbar = () => result.getByRole('toolbar')

  const getFooter = () => result.getByRole('contentinfo')

  const getToolbarButton = (label: string) => within(getToolbar()).getByRole('button', {name: label})

  const queryForToolbarButton = (label: string) => within(getToolbar()).queryByRole('button', {name: label})

  const getActionButton = (label: string) => within(getFooter()).getByRole('button', {name: label})

  const getViewSwitch = () => {
    const button = result.queryByRole('tab', {name: 'Preview'}) || result.queryByRole('tab', {name: 'Edit'})
    if (!button) throw new Error('View switch button not found')
    return button
  }

  const queryForPreview = () =>
    result.queryByRole('heading', {name: 'Rendered Markdown Preview'})?.parentElement ?? null

  const getPreview = () => {
    const previewContainer = result.getByRole('heading', {name: 'Rendered Markdown Preview'}).parentElement
    assertNotNull(previewContainer)
    return previewContainer
  }

  const getEditorContainer = () => result.getByRole('group')

  const queryForUploadButton = () =>
    result.queryByRole('button', {name: 'Add files'}) ||
    result.queryByRole('button', {name: 'Paste, drop, or click to add files'})

  const queryForSuggestionsList = () => result.queryByRole('listbox')

  const getSuggestionsList = () => result.getByRole('listbox')

  const getAllSuggestions = () => within(getSuggestionsList()).queryAllByRole('option')

  // Wait for the double render caused by slots to complete
  await waitFor(() => result.getByText('Test Editor'))

  return {
    ...result,
    getInput,
    getToolbar,
    getToolbarButton,
    user,
    queryForUploadButton,
    getFooter,
    getViewSwitch,
    getPreview,
    queryForPreview,