Files
deb-python-wrapt/tests/test_function_wrapper.py

158 lines
5.4 KiB
Python

from __future__ import print_function
import unittest
import wrapt
from wrapt import six
class TestClassInheritence(unittest.TestCase):
def test_function_type_inheritence(self):
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
@_decorator
def _function(*args, **kwargs):
return args, kwargs
self.assertTrue(isinstance(_function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(_function, wrapt.ObjectProxy))
def test_instancemethod_type_inheritence(self):
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
class Class(object):
@_decorator
def function(self, args, **kwargs):
return args, kwargs
self.assertTrue(isinstance(function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(function, wrapt.ObjectProxy))
instance = Class()
self.assertFalse(isinstance(instance.function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(instance.function, wrapt.ObjectProxy))
def test_classmethod_type_inheritence(self):
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
class Class(object):
@_decorator
@classmethod
def function(cls, *args, **kwargs):
return args, kwargs
self.assertTrue(isinstance(function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(function, wrapt.ObjectProxy))
instance = Class()
self.assertFalse(isinstance(instance.function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(instance.function, wrapt.ObjectProxy))
def test_staticmethod_type_inheritence(self):
@wrapt.decorator
def _decorator(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
class Class(object):
@_decorator
@staticmethod
def function(*args, **kwargs):
return args, kwargs
self.assertTrue(isinstance(function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(function, wrapt.ObjectProxy))
instance = Class()
self.assertFalse(isinstance(instance.function, wrapt.FunctionWrapper))
self.assertTrue(isinstance(instance.function, wrapt.ObjectProxy))
class TestAttributeAccess(unittest.TestCase):
def test_function_attributes(self):
def decorator1(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
decorator2 = wrapt.decorator(decorator1)
def function1(*args, **kwargs):
return args, kwargs
function2 = decorator2(function1)
self.assertEqual(function2._self_wrapped, function1)
self.assertEqual(function2._self_wrapper, decorator1)
self.assertNotEqual(function2._self_bound_type, None)
def test_instancemethod_attributes(self):
def decorator1(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
decorator2 = wrapt.decorator(decorator1)
class Class(object):
def function1(self, *args, **kwargs):
return args, kwargs
function2 = decorator2(function1)
self.assertEqual(function2._self_wrapped, function1)
self.assertEqual(function2._self_wrapper, decorator1)
self.assertNotEqual(function2._self_bound_type, None)
instance = Class()
self.assertEqual(instance.function2._self_wrapped, instance.function1)
self.assertEqual(instance.function2._self_instance, instance)
self.assertEqual(instance.function2._self_wrapper, decorator1)
def test_classmethod_attributes(self):
def decorator1(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
decorator2 = wrapt.decorator(decorator1)
class Class(object):
@classmethod
def function1(cls, *args, **kwargs):
return args, kwargs
function2 = decorator2(function1)
self.assertEqual(function2._self_wrapped, function1)
self.assertEqual(function2._self_wrapper, decorator1)
self.assertNotEqual(function2._self_bound_type, None)
instance = Class()
self.assertEqual(instance.function2._self_wrapped, instance.function1)
self.assertEqual(instance.function2._self_instance, instance)
self.assertEqual(instance.function2._self_wrapper, decorator1)
def test_staticmethod_attributes(self):
def decorator1(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
decorator2 = wrapt.decorator(decorator1)
class Class(object):
@staticmethod
def function1(*args, **kwargs):
return args, kwargs
function2 = decorator2(function1)
self.assertEqual(function2._self_wrapped, function1)
self.assertEqual(function2._self_wrapper, decorator1)
self.assertNotEqual(function2._self_bound_type, None)
instance = Class()
self.assertEqual(instance.function2._self_wrapped, instance.function1)
self.assertEqual(instance.function2._self_instance, instance)
self.assertEqual(instance.function2._self_wrapper, decorator1)
if __name__ == '__main__':
unittest.main()