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# This test is temporary until we can import test_decorators from CPython 3.x
# The reason for not doing that already is that in Python 3.x the name of a
# function is stored in func.__name__, in 2.x it's func.func_name
import unittest
from test import test_support
class TestClassDecorators(unittest.TestCase):
def test_simple(self):
def plain(x):
x.extra = 'Hello'
return x
@plain
class C(object): pass
self.assertEqual(C.extra, 'Hello')
def test_double(self):
def ten(x):
x.extra = 10
return x
def add_five(x):
x.extra += 5
return x
@add_five
@ten
class C(object): pass
self.assertEqual(C.extra, 15)
def test_order(self):
def applied_first(x):
x.extra = 'first'
return x
def applied_second(x):
x.extra = 'second'
return x
@applied_second
@applied_first
class C(object): pass
self.assertEqual(C.extra, 'second')
def test_main():
test_support.run_unittest(TestClassDecorators)
if __name__ == '__main__':
test_main()
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