chore: import upstream snapshot with attribution

apps/sim/tools/jupyter/utils.test.ts

@@ -0,0 +1,52 @@
+/**
+ * @vitest-environment node
+ */
+import { describe, expect, it } from 'vitest'
+import { parseJupyterContentModel } from '@/tools/jupyter/utils'
+
+describe('parseJupyterContentModel', () => {
+  it('normalizes a Jupyter Contents API model without changing its values', () => {
+    const content = { cells: [] }
+
+    expect(
+      parseJupyterContentModel({
+        name: 'analysis.ipynb',
+        path: 'notebooks/analysis.ipynb',
+        type: 'notebook',
+        writable: true,
+        created: '2026-07-09T10:00:00Z',
+        last_modified: '2026-07-09T11:00:00Z',
+        size: 42,
+        mimetype: 'application/x-ipynb+json',
+        format: 'json',
+        content,
+      })
+    ).toEqual({
+      name: 'analysis.ipynb',
+      path: 'notebooks/analysis.ipynb',
+      type: 'notebook',
+      writable: true,
+      created: '2026-07-09T10:00:00Z',
+      lastModified: '2026-07-09T11:00:00Z',
+      size: 42,
+      mimetype: 'application/x-ipynb+json',
+      format: 'json',
+      content,
+    })
+  })
+
+  it('rejects non-object models and omits fields with invalid types', () => {
+    expect(parseJupyterContentModel(null)).toBeNull()
+    expect(
+      parseJupyterContentModel({
+        name: 42,
+        path: 'valid/path',
+        size: '42',
+        content: null,
+      })
+    ).toEqual({
+      path: 'valid/path',
+      content: null,
+    })
+  })
+})