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# -*- coding: utf-8 -*-
#
# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
# the additional special exception to link portions of this program with the OpenSSL library.
# See LICENSE for more details.
#
from __future__ import unicode_literals
from twisted.trial import unittest
from deluge.decorators import proxy
class DecoratorsTestCase(unittest.TestCase):
def test_proxy_with_simple_functions(self):
def negate(func, *args, **kwargs):
return not func(*args, **kwargs)
@proxy(negate)
def something(_bool):
return _bool
@proxy(negate)
@proxy(negate)
def double_nothing(_bool):
return _bool
self.assertTrue(something(False))
self.assertFalse(something(True))
self.assertTrue(double_nothing(True))
self.assertFalse(double_nothing(False))
def test_proxy_with_class_method(self):
def negate(func, *args, **kwargs):
return -func(*args, **kwargs)
class Test(object):
def __init__(self, number):
self.number = number
@proxy(negate)
def diff(self, number):
return self.number - number
@proxy(negate)
def no_diff(self, number):
return self.diff(number)
t = Test(5)
self.assertEqual(t.diff(1), -4)
self.assertEqual(t.no_diff(1), 4)
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Deluge
