1 # Copyright (C) 2010 Apple Inc. All rights reserved.
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions
6 # 1. Redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer.
8 # 2. Redistributions in binary form must reproduce the above copyright
9 # notice, this list of conditions and the following disclaimer in the
10 # documentation and/or other materials provided with the distribution.
12 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
13 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
14 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
15 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
16 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
18 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
19 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
20 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
21 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 _log = logging.getLogger(__name__)
28 def skip_if(klass, condition, message=None, logger=None):
29 """Makes all test_* methods in a given class no-ops if the given condition
30 is False. Backported from Python 3.1+'s unittest.skipIf decorator."""
35 for name in dir(klass):
36 attr = getattr(klass, name)
37 if not callable(attr):
39 if not name.startswith('test_'):
41 setattr(klass, name, _skipped_method(attr, message, logger))
42 klass._printed_skipped_message = False
46 def _skipped_method(method, message, logger):
48 if method.im_class._printed_skipped_message:
50 method.im_class._printed_skipped_message = True
51 logger.info('Skipping %s.%s: %s' % (method.__module__, method.im_class.__name__, message))