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Add test for allow_null + required=False

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Ref #5708: allow_null should imply default=None, even for non-required fields.

flake8
This commit is contained in:
Carlton Gibson 2018-03-20 13:43:52 +01:00
parent 12569f83c9
commit 7bb92d3ba5
1 changed files with 6 additions and 2 deletions
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8
tests/test_serializer.py
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@ -486,12 +486,16 @@ class TestDefaultOutput:
assert Serializer({'nested': {'a': '3', 'b': {'c': '4'}}}).data == {'nested': {'a': '3', 'c': '4'}}
def test_default_for_allow_null(self):
# allow_null=True should imply default=None
"""
Without an explicit default, allow_null implies default=None when serializing. #5518 #5708
"""
class Serializer(serializers.Serializer):
foo = serializers.CharField()
bar = serializers.CharField(source='foo.bar', allow_null=True)
optional = serializers.CharField(required=False, allow_null=True)
assert Serializer({'foo': None}).data == {'foo': None, 'bar': None}
# allow_null=True should imply default=None when serialising:
assert Serializer({'foo': None}).data == {'foo': None, 'bar': None, 'optional': None, }
class TestCacheSerializerData: