class ASerializer(DictSerializer):
users = fields.ConstantField({
"foo": user_1,
"bar": user_2
},
label="usersList",
required=False)
def test_constant_field():
fn = fields.ConstantField(1.3).as_getter("whatever", Mock())
assert fn(Mock()) == 1.3
fn = fields.ConstantField().as_getter("whatever", Mock())
assert fn(Mock()) is None
fn = fields.ConstantField(constant=[1.3, True]).as_getter(
"whatever", Mock())
assert fn(Mock()) == [1.3, True]
fn = fields.ConstantField(Mock(),
required=False).as_getter("whatever", Mock())
with pytest.raises(TypeError):
fn(Mock())
with pytest.raises(SerializationError):
fields.ConstantField(Mock(),
required=True).as_getter("whatever", Mock())
class ASerializer(Serializer):
users = fields.ConstantField(
{
"foo": {
"id": 12,
"totalReactions": 19
},
"bar": {
"id": 33,
"totalReactions": 122
},
},
label="usersList",
)
class ASerializer(Serializer):
a = fields.ListField(fields.ConstantField(constant=3))
class ASerializer(DictSerializer):
users = fields.ConstantField({"foo": user}, label="usersList")
class ASerializer(Serializer):
http = fields.ConstantField(["GET", "POST", "PUT"])
class PISerializer(Serializer):
pi = fields.ConstantField(constant=3.14)
class ASerializer(Serializer):
a = fields.ConstantField(constant=None)