feat: do not set authorization header in document index when token is…

… None

Task: IL-174

src/intelligence_layer/connectors/document_index/document_index.py

@@ -269,14 +269,14 @@ class DocumentIndexClient:
 
     def __init__(
         self,
-        token: str,
+        token: str | None,
         base_document_index_url: str = "https://document-index.aleph-alpha.com",
     ) -> None:
         self._base_document_index_url = base_document_index_url
         self.headers = {
             "Content-Type": "application/json",
             "Accept": "application/json",
-            "Authorization": f"Bearer {token}",
+            **({"Authorization": f"Bearer {token}"} if token is not None else {}),
         }
 
     def _raise_for_status(self, response: requests.Response) -> None:

tests/connectors/document_index/test_document_index.py

@@ -48,6 +48,22 @@ def document_contents() -> DocumentContents:
     return DocumentContents(contents=[text], metadata={"Some": "Metadata"})
 
 
+@pytest.mark.internal
+def test_document_index_sets_authorization_header_for_given_token() -> None:
+    token = "some-token"
+
+    document_index = DocumentIndexClient(token)
+
+    assert document_index.headers["Authorization"] == f"Bearer {token}"
+
+
+@pytest.mark.internal
+def test_document_index_sets_no_authorization_header_when_token_is_none() -> None:
+    document_index = DocumentIndexClient(None)
+
+    assert "Authorization" not in document_index.headers
+
+
 @pytest.mark.internal
 def test_document_index_lists_namespaces(document_index: DocumentIndexClient) -> None:
     namespaces = document_index.list_namespaces()