def test_to_internal_value_raises_validation_error_for_empty_list(self):
instance = fields.ListField(
child=fields.IntegerField(), allow_empty=False
)
with self.assertRaises(ValidationError):
instance.to_internal_value([])
def test_get_value_returns_empty_value(self):
class FakeModelSerializer(object):
partial = True
parent = None
instance = fields.ListField(child=fields.IntegerField())
instance.bind('test', FakeModelSerializer())
self.assertEqual(instance.get_value({'key': [1, 2, 3]}), empty)
def test_to_representation_without_child_instance(self):
instance = fields.ListField()
self.assertEqual(
instance.to_representation([1, '2', True, [4, 5, 6]]),
[1, '2', True, [4, 5, 6]]
)
def test_to_iternal_value_without_child_instance_raises_an_error(self):
instance = fields.ListField()
with self.assertRaises(ValidationError):
instance.to_internal_value('value')
def test_to_iternal_value_without_child_instance(self):
instance = fields.ListField()
self.assertEqual(
instance.to_internal_value([1, '2', True, [4, 5, 6]]),
[1, '2', True, [4, 5, 6]]
)
def test_to_representation_for_string_list(self):
instance = fields.ListField(child=fields.IntegerField())
self.assertEqual(
instance.to_representation(['1', '2', '3']),
[1, 2, 3]
)
def test_to_representation(self):
instance = fields.ListField(child=fields.IntegerField())
self.assertEqual(instance.to_representation([1, 2, 3]), [1, 2, 3])
def test_to_internal_value_raises_validation_error_for_wrong_value(self):
instance = fields.ListField(child=fields.IntegerField())
with self.assertRaises(ValidationError):
instance.to_internal_value([1, 2, 'error'])
def test_to_internal_value_for_list_with_integer_as_a_string(self):
instance = fields.ListField(child=fields.IntegerField())
self.assertEqual(
instance.to_internal_value(['1', '2', '3']),
[1, 2, 3]
)
def test_to_internal_value_for_integer_list(self):
instance = fields.ListField(child=fields.IntegerField())
self.assertEqual(instance.to_internal_value([1, 2, 3]), [1, 2, 3])
def test_to_internal_value_empty_list(self):
instance = fields.ListField(child=fields.IntegerField())
self.assertEqual(instance.to_internal_value([]), [])
def test_get_value(self):
instance = fields.ListField(child=fields.IntegerField())
instance.bind('test', None)
self.assertEqual(instance.get_value({'test': [1, 2, 3]}), [1, 2, 3])
def test_init_raises_assertion_error_for_child_without_source(self):
with self.assertRaises(AssertionError):
fields.ListField(child=fields.IntegerField(source='value'))
def test_init_raises_assertion_error_for_defined_child_as_a_class(self):
with self.assertRaises(AssertionError):
fields.ListField(child=fields.IntegerField)