feat: integriertes Dokumentations-Wiki für NetBox hinzufügen

- Markdown-Dokumentationen direkt in NetBox erstellen
- Dokumente Standorten, Racks, Geräten, VMs und Clustern zuordnen
- DOCX-, XLSX-, PDF-, Markdown- und Textimporte unterstützen
- REST-API, Suche, Berechtigungen und Änderungsprotokoll ergänzen
- Installation, Konfiguration und Importgrenzen dokumentieren

tests/test_importers.py

@@ -0,0 +1,46 @@
+from io import BytesIO
+import importlib.util
+from pathlib import Path
+import sys
+
+import pytest
+from openpyxl import Workbook
+
+
+spec = importlib.util.spec_from_file_location(
+    "documentation_importers", Path(__file__).parents[1] / "netbox_documentation" / "importers.py"
+)
+importers = importlib.util.module_from_spec(spec)
+sys.modules[spec.name] = importers
+spec.loader.exec_module(importers)
+ImportFailure = importers.ImportFailure
+import_document = importers.import_document
+
+
+class Upload(BytesIO):
+    def __init__(self, value, name):
+        super().__init__(value)
+        self.name = name
+
+
+def test_markdown_import():
+    result = import_document(Upload(b"# Hallo", "test.md"))
+    assert result.markdown == "# Hallo"
+
+
+def test_xlsx_imports_sheets_as_tables():
+    workbook = Workbook()
+    sheet = workbook.active
+    sheet.title = "Server"
+    sheet.append(["Name", "IP"])
+    sheet.append(["web01", "10.0.0.1"])
+    stream = BytesIO()
+    workbook.save(stream)
+    result = import_document(Upload(stream.getvalue(), "server.xlsx"))
+    assert "## Server" in result.markdown
+    assert "web01" in result.markdown
+
+
+def test_rejects_legacy_excel():
+    with pytest.raises(ImportFailure, match="xlsx"):
+        import_document(Upload(b"", "legacy.xls"))