Use save_identifiers on document not identifiers.save()

src/caselawclient/models/documents/__init__.py

@@ -530,6 +530,11 @@ def can_reparse(self) -> bool:
         """
         return self.docx_exists()
 
+    def save_identifiers(self) -> None:
+        """Save the current state of this Document's identifiers to MarkLogic."""
+        self.identifiers.validate()
+        self.api_client.set_property_as_node(self.uri, "identifiers", self.identifiers.as_etree)
+
     def __getattr__(self, name: str) -> Any:
         warnings.warn(f"{name} no longer exists on Document, using Document.body instead", DeprecationWarning)
         try:

src/caselawclient/models/identifiers/__init__.py

@@ -144,8 +144,3 @@ def as_etree(self) -> etree._Element:
             identifiers_root.append(identifier.as_xml_tree)
 
         return identifiers_root
-
-    def save(self, document) -> None:  # type: ignore[no-untyped-def, unused-ignore]
-        """Save the current state of this Document's identifiers to MarkLogic."""
-        self.validate()
-        document.api_client.set_property_as_node(document.uri, "identifiers", self.as_etree)

tests/models/documents/test_document_verbs.py

@@ -1,7 +1,7 @@
 import datetime
 import json
 import os
-from unittest.mock import PropertyMock, patch
+from unittest.mock import Mock, PropertyMock, patch
 
 import pytest
 import time_machine
@@ -13,10 +13,28 @@
     DocumentNotSafeForDeletion,
     DocumentURIString,
 )
+from caselawclient.models.identifiers import Identifiers
 from caselawclient.models.judgments import Judgment
 from caselawclient.models.neutral_citation_mixin import NeutralCitationString
 
 
+class TestDocumentSaveIdentifiers:
+    def test_document_save_identifiers(self, mock_api_client):
+        """
+        given a particular Document with a known value of Identifiers (probably mock this out tbh)
+        when I call document.save_identifiers() it
+        calls identifiers.validate and
+        calls set_property_as_node with expected values (edited)
+        """
+        document = Document(DocumentURIString("test/1234"), mock_api_client)
+        document.identifiers = Mock(autospec=Identifiers)
+        document.identifiers.as_etree = "fake_node"
+
+        document.save_identifiers()
+        document.identifiers.validate.assert_called_once()
+        mock_api_client.set_property_as_node.assert_called_with("test/1234", "identifiers", "fake_node")
+
+
 class TestDocumentPublish:
     def test_publish_fails_if_not_publishable(self, mock_api_client):
         with pytest.raises(CannotPublishUnpublishableDocument):