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Code Issues 25 Releases Wiki Activity

Added tests for Combinable's bitwise logical operation errors.

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This commit is contained in:
Mads Jensen 2017-10-09 17:49:19 +02:00 committed by Tim Graham
parent 50de55f399
commit 81d5320db5
1 changed files with 22 additions and 2 deletions
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24
tests/expressions/tests.py
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@ -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()