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# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import functools
import uuid
import six
import testtools
def skip_because(*args, **kwargs):
"""A decorator useful to skip tests hitting known bugs
@param bug: bug number causing the test to skip
@param condition: optional condition to be True for the skip to have place
"""
def decorator(f):
@functools.wraps(f)
def wrapper(self, *func_args, **func_kwargs):
skip = False
if "condition" in kwargs:
if kwargs["condition"] is True:
skip = True
else:
skip = True
if "bug" in kwargs and skip is True:
if not kwargs['bug'].isdigit():
raise ValueError('bug must be a valid bug number')
msg = "Skipped until Bug: %s is resolved." % kwargs["bug"]
raise testtools.TestCase.skipException(msg)
return f(self, *func_args, **func_kwargs)
return wrapper
return decorator
def idempotent_id(id):
"""Stub for metadata decorator"""
if not isinstance(id, six.string_types):
raise TypeError('Test idempotent_id must be string not %s'
'' % type(id).__name__)
uuid.UUID(id)
def decorator(f):
f = testtools.testcase.attr('id-%s' % id)(f)
if f.__doc__:
f.__doc__ = 'Test idempotent id: %s\n%s' % (id, f.__doc__)
else:
f.__doc__ = 'Test idempotent id: %s' % id
return f
return decorator
class skip_unless_attr(object):
"""Decorator to skip tests if a specified attr does not exists or False"""
def __init__(self, attr, msg=None):
self.attr = attr
self.message = msg or ("Test case attribute %s not found "
"or False") % attr
def __call__(self, func):
def _skipper(*args, **kw):
"""Wrapped skipper function."""
testobj = args[0]
if not getattr(testobj, self.attr, False):
raise testtools.TestCase.skipException(self.message)
func(*args, **kw)
_skipper.__name__ = func.__name__
_skipper.__doc__ = func.__doc__
return _skipper
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