def test_field_internal_value(self):
location = mommy.make(Location)
serializer = LocationSerializer(instance=location)
file_field = serializer.get_field('document')
storage = file_field.model_field.storage
def exists(name):
return name == 'bar'
def size(*args):
return 1
storage.exists = exists
storage.size = size
with self.assertRaises(ValidationError):
file_field.to_internal_value('foo')
self.assertEquals(file_field.to_internal_value('bar'), 'bar')
def test_recursive_serializer(self):
s = LocationSerializer(
request_fields={'cats': {
'parent': {
'parent': True
}
}})
cats_field = s.get_all_fields()['cats']
l1 = cats_field.serializer.child # .child because list
l2 = l1.get_all_fields()['parent'].serializer
l3 = l2.get_all_fields()['parent'].serializer
l4 = l3.get_all_fields()['parent'].serializer
self.assertIsNot(l2, l3)
# l3 and l4 should be same cached instance because both have
# request_fields=True (l3 by inheritence, l4 by default)
self.assertIs(l3, l4)
def test_recursive_serializer(self):
s = LocationSerializer(
request_fields={
'cats': {
'parent': {
'parent': True
}
}
}
)
cats_field = s.get_all_fields()['cats']
l1 = cats_field.serializer.child # .child because list
l2 = l1.get_all_fields()['parent'].serializer
l3 = l2.get_all_fields()['parent'].serializer
l4 = l3.get_all_fields()['parent'].serializer
self.assertIsNot(l2, l3)
# l3 and l4 should be same cached instance because both have
# request_fields=True (l3 by inheritence, l4 by default)
self.assertIs(l3, l4)