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from __future__ import print_function
import unittest
import wrapt
from compat import PY2, PY3, exec_
@wrapt.decorator
def passthru_decorator(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
class TestUpdateAttributes(unittest.TestCase):
def test_update_name(self):
@passthru_decorator
def function():
pass
self.assertEqual(function.__name__, 'function')
function.__name__ = 'override_name'
self.assertEqual(function.__name__, 'override_name')
def test_update_name_modified_on_original(self):
def function():
pass
def wrapper(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
instance = wrapt.FunctionWrapper(function, wrapper)
self.assertEqual(instance.__name__, 'function')
instance.__name__ = 'override_name'
self.assertEqual(function.__name__, 'override_name')
self.assertEqual(instance.__name__, 'override_name')
def test_update_qualname(self):
@passthru_decorator
def function():
pass
if PY3:
method = self.test_update_qualname
self.assertEqual(function.__qualname__,
(method.__qualname__ + '.<locals>.function'))
function.__qualname__ = 'override_qualname'
self.assertEqual(function.__qualname__, 'override_qualname')
def test_update_qualname_modified_on_original(self):
def function():
pass
def wrapper(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
instance = wrapt.FunctionWrapper(function, wrapper)
if PY3:
method = self.test_update_qualname_modified_on_original
self.assertEqual(instance.__qualname__,
(method.__qualname__ + '.<locals>.function'))
instance.__qualname__ = 'override_qualname'
self.assertEqual(function.__qualname__, 'override_qualname')
self.assertEqual(instance.__qualname__, 'override_qualname')
def test_update_module(self):
@passthru_decorator
def function():
pass
self.assertEqual(function.__module__, __name__)
function.__module__ = 'override_module'
self.assertEqual(function.__module__, 'override_module')
def test_update_module_modified_on_original(self):
def function():
pass
def wrapper(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
instance = wrapt.FunctionWrapper(function, wrapper)
self.assertEqual(instance.__module__, __name__)
instance.__module__ = 'override_module'
self.assertEqual(function.__module__, 'override_module')
self.assertEqual(instance.__module__, 'override_module')
def test_update_doc(self):
@passthru_decorator
def function():
"""documentation"""
pass
self.assertEqual(function.__doc__, "documentation")
function.__doc__ = 'override_doc'
self.assertEqual(function.__doc__, 'override_doc')
def test_update_doc_modified_on_original(self):
def function():
"""documentation"""
pass
def wrapper(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
instance = wrapt.FunctionWrapper(function, wrapper)
self.assertEqual(instance.__doc__, "documentation")
instance.__doc__ = 'override_doc'
self.assertEqual(function.__doc__, 'override_doc')
self.assertEqual(instance.__doc__, 'override_doc')
def test_update_annotations(self):
@passthru_decorator
def function():
pass
if PY3:
self.assertEqual(function.__annotations__, {})
else:
def run(*args):
function.__annotations__
self.assertRaises(AttributeError, run, ())
override_annotations = {'override_annotations': ''}
function.__annotations__ = override_annotations
self.assertEqual(function.__wrapped__.__annotations__, override_annotations)
self.assertEqual(function.__annotations__, override_annotations)
def test_update_annotations_modified_on_original(self):
def function():
pass
def wrapper(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
instance = wrapt.FunctionWrapper(function, wrapper)
if PY3:
self.assertEqual(instance.__annotations__, {})
else:
def run(*args):
instance.__annotations__
self.assertRaises(AttributeError, run, ())
override_annotations = {'override_annotations': ''}
instance.__annotations__ = override_annotations
self.assertEqual(function.__annotations__, override_annotations)
self.assertEqual(instance.__annotations__, override_annotations)
if __name__ == '__main__':
unittest.main()
|
