Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

apps/desktop/src/lib/file-preview-math.render.test.tsx

@@ -0,0 +1,64 @@
+import { render, waitFor } from '@testing-library/react'
+import { Streamdown } from 'streamdown'
+import { describe, expect, it } from 'vitest'
+
+import { createMemoizedMathPlugin } from '@/lib/katex-memo'
+import { normalizeFilePreviewMath } from '@/lib/markdown-preprocess'
+
+// This is the exact pipeline the file preview runs: normalizeFilePreviewMath
+// → Streamdown with the memoized math plugin. Rendering here (jsdom) proves the
+// wiring produces KaTeX output, not raw `$..$` source text.
+describe('file-preview math rendering', () => {
+  const mathPlugin = createMemoizedMathPlugin({ singleDollarTextMath: true })
+
+  it('renders inline $..$ math as KaTeX', async () => {
+    const { container } = render(
+      <Streamdown mode="static" plugins={{ math: mathPlugin }}>
+        {normalizeFilePreviewMath('The formula $x^2 + y^2$ here.')}
+      </Streamdown>
+    )
+
+    await waitFor(() => {
+      expect(container.querySelector('.katex')).not.toBeNull()
+    })
+    expect(container.textContent).not.toContain('$x^2')
+  })
+
+  it('renders $$..$$ display math as KaTeX', async () => {
+    const { container } = render(
+      <Streamdown mode="static" plugins={{ math: mathPlugin }}>
+        {normalizeFilePreviewMath('Block:\n\n$$E = mc^2$$')}
+      </Streamdown>
+    )
+
+    await waitFor(() => {
+      expect(container.querySelector('.katex-display') || container.querySelector('.katex')).not.toBeNull()
+    })
+  })
+
+  it('renders delimited math as KaTeX', async () => {
+    const { container } = render(
+      <Streamdown mode="static" plugins={{ math: mathPlugin }}>
+        {normalizeFilePreviewMath('A fraction \\(\\frac{a}{b}\\) inline.')}
+      </Streamdown>
+    )
+
+    await waitFor(() => {
+      expect(container.querySelector('.katex')).not.toBeNull()
+    })
+    expect(container.querySelector('.katex-mathml, .katex-html')).not.toBeNull()
+  })
+
+  it('leaves a literal code-fence $ alone as code, not math', async () => {
+    const { container } = render(
+      <Streamdown mode="static" plugins={{ math: mathPlugin }}>
+        {normalizeFilePreviewMath('```bash\necho $HOME\n```')}
+      </Streamdown>
+    )
+
+    await waitFor(() => {
+      expect(container.querySelector('.katex')).toBeNull()
+    })
+    expect(container.querySelector('code')?.textContent).toContain('$HOME')
+  })
+})