Added tests for Combinable's bitwise logical operation errors.
@@ -10,8 +10,8 @@ from django.db.models.aggregates import (
Avg, Count, Max, Min, StdDev, Sum, Variance,
)
from django.db.models.expressions import (
- Case, Col, Exists, ExpressionList, ExpressionWrapper, F, Func, OrderBy,
- OuterRef, Random, RawSQL, Ref, Subquery, Value, When,
+ Case, Col, Combinable, Exists, ExpressionList, ExpressionWrapper, F, Func,
+ OrderBy, OuterRef, Random, RawSQL, Ref, Subquery, Value, When,
)
from django.db.models.functions import (
Coalesce, Concat, Length, Lower, Substr, Upper,
@@ -1387,3 +1387,23 @@ class ReprTests(TestCase):
repr(Variance('a', sample=True, filter=filter)),
"Variance(F(a), filter=(AND: ('a', 1)), sample=True)"
)
+
+
+class CombinableTests(SimpleTestCase):
+ bitwise_msg = 'Use .bitand() and .bitor() for bitwise logical operations.'
+
+ def test_and(self):
+ with self.assertRaisesMessage(NotImplementedError, self.bitwise_msg):
+ Combinable() & Combinable()
+
+ def test_or(self):
+ with self.assertRaisesMessage(NotImplementedError, self.bitwise_msg):
+ Combinable() | Combinable()
+
+ def test_reversed_and(self):
+ with self.assertRaisesMessage(NotImplementedError, self.bitwise_msg):
+ object() & Combinable()
+
+ def test_reversed_or(self):
+ with self.assertRaisesMessage(NotImplementedError, self.bitwise_msg):
+ object() | Combinable()
