raise error for pattern lookups on UUIDField

Author: timgraham

.github/workflows/test-python.yml

@@ -76,7 +76,7 @@ jobs:
           model_fields.test_charfield
           model_fields.test_floatfield
           model_fields.test_textfield
-          model_fields.test_uuid.TestAsPrimaryKey.test_update_with_related_model_instance
+          model_fields.test_uuid
           or_lookups
 
   docs:

django_mongodb/features.py

@@ -2,6 +2,7 @@
 
 
 class DatabaseFeatures(BaseDatabaseFeatures):
+    supports_foreign_keys = False
     # Not implemented: https://github.com/mongodb-labs/django-mongodb/issues/7
     supports_transactions = False
     uses_savepoints = False
@@ -33,6 +34,19 @@ class DatabaseFeatures(BaseDatabaseFeatures):
         "model_fields.test_datetimefield.DateTimeFieldTests.test_lookup_date_without_use_tz",
         # Empty queryset ORed (|) with another gives empty results.
         "or_lookups.tests.OrLookupsTests.test_empty_in",
+        # Joins not supported.
+        "model_fields.test_uuid.TestAsPrimaryKey.test_two_level_foreign_keys",
     }
 
-    django_test_skips = {}
+    django_test_skips = {
+        "Pattern lookups on UUIDField are not supported.": {
+            "model_fields.test_uuid.TestQuerying.test_contains",
+            "model_fields.test_uuid.TestQuerying.test_endswith",
+            "model_fields.test_uuid.TestQuerying.test_filter_with_expr",
+            "model_fields.test_uuid.TestQuerying.test_icontains",
+            "model_fields.test_uuid.TestQuerying.test_iendswith",
+            "model_fields.test_uuid.TestQuerying.test_iexact",
+            "model_fields.test_uuid.TestQuerying.test_istartswith",
+            "model_fields.test_uuid.TestQuerying.test_startswith",
+        },
+    }

django_mongodb/query.py

@@ -2,6 +2,7 @@
 from functools import wraps
 
 from django.db import DatabaseError, IntegrityError, NotSupportedError
+from django.db.models.lookups import UUIDTextMixin
 from django.db.models.query import QuerySet
 from django.db.models.sql.where import OR, SubqueryConstraint
 from django.utils.tree import Node
@@ -257,6 +258,9 @@ def _decode_child(self, child):
         Produce arguments suitable for add_filter from a WHERE tree leaf
         (a tuple).
         """
+        if isinstance(child, UUIDTextMixin):
+            raise NotSupportedError("Pattern lookups on UUIDField are not supported.")
+
         rhs, rhs_params = child.process_rhs(self.compiler, self.connection)
 
         lookup_type = child.lookup_name