def test_load_method(self):
class MyContract(Contract):
def load_method(self, value, context):
return value
field = fields.Method(load_method_name='load_method')
field.bind('field', MyContract)
self._load_equal(field, 'value', 'value')
def test_load_method_passed_is_load_only(self):
field = fields.Method(load_method_name='method_name')
self.assertEqual(field.dump_only, False)
self.assertEqual(field.load_only, True)
def test_method_missing(self):
class MyContract(Contract):
dump_method = 'attribute'
field = fields.Method(load_method_name='not_found')
self.assertRaises(ValueError, field.bind, 'field', MyContract)
def test_method_not_callable(self):
class MyContract(Contract):
dump_method = 'attribute'
field = fields.Method(dump_method_name='dump_method')
self.assertRaises(ValueError, field.bind, 'field', MyContract)
def test_without_method(self):
field = fields.Method()
self._dump_equal(field, 'value', missing)
self._load_equal(field, 'value', missing)