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#
# 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 deluge.decorators import proxy
class TestDecorators:
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
assert something(False)
assert not something(True)
assert double_nothing(True)
assert not double_nothing(False)
def test_proxy_with_class_method(self):
def negate(func, *args, **kwargs):
return -func(*args, **kwargs)
class Test:
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)
assert t.diff(1) == -4
assert t.no_diff(1) == 4
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