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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option) any
# later version.
#
# logilab-common is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
"""unit tests for logilab.common.deprecation"""
import warnings
from six import add_metaclass
from logilab.common.testlib import TestCase, unittest_main
from logilab.common import deprecation
class RawInputTC(TestCase):
# XXX with 2.6 we could test warnings
# http://docs.python.org/library/warnings.html#testing-warnings
# instead we just make sure it does not crash
def mock_warn(self, *args, **kwargs):
self.messages.append(args[0])
def setUp(self):
self.messages = []
deprecation.warn = self.mock_warn
def tearDown(self):
deprecation.warn = warnings.warn
def mk_func(self):
def any_func():
pass
return any_func
def test_class_deprecated(self):
@add_metaclass(deprecation.class_deprecated)
class AnyClass(object):
pass
AnyClass()
self.assertEqual(self.messages,
['AnyClass is deprecated'])
def test_deprecated_func(self):
any_func = deprecation.deprecated()(self.mk_func())
any_func()
any_func = deprecation.deprecated('message')(self.mk_func())
any_func()
self.assertEqual(self.messages,
['The function "any_func" is deprecated', 'message'])
def test_deprecated_decorator(self):
@deprecation.deprecated()
def any_func():
pass
any_func()
@deprecation.deprecated('message')
def any_func():
pass
any_func()
self.assertEqual(self.messages,
['The function "any_func" is deprecated', 'message'])
def test_moved(self):
module = 'data.deprecation'
any_func = deprecation.moved(module, 'moving_target')
any_func()
self.assertEqual(self.messages,
['object moving_target has been moved to module data.deprecation'])
def test_deprecated_manager(self):
deprecator = deprecation.DeprecationManager("module_name")
deprecator.compatibility('1.3')
# This warn should be printed.
deprecator.warn('1.1', "Major deprecation message.", 1)
deprecator.warn('1.1')
@deprecator.deprecated('1.2', 'Major deprecation message.')
def any_func():
pass
any_func()
@deprecator.deprecated('1.2')
def other_func():
pass
other_func()
self.assertListEqual(self.messages,
['[module_name 1.1] Major deprecation message.',
'[module_name 1.1] ',
'[module_name 1.2] Major deprecation message.',
'[module_name 1.2] The function "other_func" is deprecated'])
def test_class_deprecated_manager(self):
deprecator = deprecation.DeprecationManager("module_name")
deprecator.compatibility('1.3')
@add_metaclass(deprecator.class_deprecated('1.2'))
class AnyClass(object):
pass
AnyClass()
self.assertEqual(self.messages,
['[module_name 1.2] AnyClass is deprecated'])
def test_deprecated_manager_noprint(self):
deprecator = deprecation.DeprecationManager("module_name")
deprecator.compatibility('1.3')
# This warn should not be printed.
deprecator.warn('1.3', "Minor deprecation message.", 1)
@deprecator.deprecated('1.3', 'Minor deprecation message.')
def any_func():
pass
any_func()
@deprecator.deprecated('1.20')
def other_func():
pass
other_func()
@deprecator.deprecated('1.4')
def other_func():
pass
other_func()
class AnyClass(object):
__metaclass__ = deprecator.class_deprecated((1,5))
AnyClass()
self.assertFalse(self.messages)
if __name__ == '__main__':
unittest_main()
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