make Value encode date as datetime

Author: timgraham

django_mongodb/expressions.py

@@ -1,3 +1,4 @@
+import datetime
 from decimal import Decimal
 
 from bson import Decimal128
@@ -66,6 +67,9 @@ def value(self, compiler, connection):  # noqa: ARG001
     value = self.value
     if isinstance(value, Decimal):
         value = Decimal128(value)
+    elif isinstance(value, datetime.date):
+        # Turn dates into datetimes since BSON doesn't support dates.
+        value = datetime.datetime.combine(value, datetime.datetime.min.time())
     return {"$literal": value}
 
 

django_mongodb/features.py

@@ -61,9 +61,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
         "annotations.tests.NonAggregateAnnotationTestCase.test_annotation_and_alias_filter_in_subquery",
         # Length of null considered zero rather than null.
         "db_functions.text.test_length.LengthTests.test_basic",
-        # Case(..., then=datetime.date()) crashes: bson.errors.InvalidDocument:
-        # cannot encode object: datetime.date(2024, 5, 14), of type: <class 'datetime.date'>
-        "expressions_case.tests.CaseDocumentationExamples.test_filter_example",
     }
     # $bitAnd, #bitOr, and $bitXor are new in MongoDB 6.3.
     _django_test_expected_failures_bitwise = {