Add supports_search_indexes flag

Author: WaVEV

django_mongodb_backend/features.py

@@ -1,5 +1,6 @@
 from django.db.backends.base.features import BaseDatabaseFeatures
 from django.utils.functional import cached_property
+from pymongo.errors import OperationFailure
 
 
 class DatabaseFeatures(BaseDatabaseFeatures):
@@ -548,3 +549,12 @@ def django_test_expected_failures(self):
     @cached_property
     def is_mongodb_6_3(self):
         return self.connection.get_database_version() >= (6, 3)
+
+    @cached_property
+    def supports_search_indexes(self):
+        try:
+            self.connection.get_collection("__null").list_search_indexes()
+        except OperationFailure:
+            return False
+        else:
+            return True

django_mongodb_backend/introspection.py

@@ -34,6 +34,8 @@ def _get_index_info(self, table_name):
         return constraints
 
     def _get_search_index_info(self, table_name):
+        if not self.connection.features.supports_search_indexes:
+            return {}
         constraints = {}
         indexes = self.connection.get_collection(table_name).list_search_indexes()
         for details in indexes:

tests/indexes_/test_atlas_indexes.py

@@ -1,11 +1,12 @@
 from django.db import connection
-from django.test import TestCase
+from django.test import TestCase, skipUnlessDBFeature
 
 from django_mongodb_backend.indexes import SearchIndex, VectorSearchIndex
 
 from .models import Article
 
 
+@skipUnlessDBFeature("supports_search_indexes")
 class SearchIndexTests(TestCase):
     # Tests for creating, validating, and removing search indexes using Django's schema editor.
     available_apps = None
@@ -79,6 +80,7 @@ def test_multiple_fields(self):
             self.assertAddRemoveIndex(editor, Article, index)
 
 
+@skipUnlessDBFeature("supports_search_indexes")
 class VectorSearchIndexTests(TestCase):
     # Tests for creating, validating, and removing vector search indexes
     # using Django's schema editor.