heat/heat/tests/utils.py

91 lines
2.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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 nose.plugins.skip as skip
from heat.db.sqlalchemy.session import get_engine
from heat.db import migration
class skip_test(object):
"""Decorator that skips a test."""
def __init__(self, msg):
self.message = msg
def __call__(self, func):
def _skipper(*args, **kw):
"""Wrapped skipper function."""
raise skip.SkipTest(self.message)
_skipper.__name__ = func.__name__
_skipper.__doc__ = func.__doc__
return _skipper
class skip_if(object):
"""Decorator that skips a test if condition is true."""
def __init__(self, condition, msg):
self.condition = condition
self.message = msg
def __call__(self, func):
def _skipper(*args, **kw):
"""Wrapped skipper function."""
if self.condition:
raise skip.SkipTest(self.message)
func(*args, **kw)
_skipper.__name__ = func.__name__
_skipper.__doc__ = func.__doc__
return _skipper
class skip_unless(object):
"""Decorator that skips a test if condition is not true."""
def __init__(self, condition, msg):
self.condition = condition
self.message = msg
def __call__(self, func):
def _skipper(*args, **kw):
"""Wrapped skipper function."""
if not self.condition:
raise skip.SkipTest(self.message)
func(*args, **kw)
_skipper.__name__ = func.__name__
_skipper.__doc__ = func.__doc__
return _skipper
def stack_delete_after(test_fn):
"""
Decorator which calls test class self.stack.delete()
to ensure tests clean up their stacks regardless of test success/failure
"""
def wrapped_test(test_cls):
#print "Running test", test_fn.__name__
try:
test_fn(test_cls)
finally:
try:
test_cls.stack.delete()
except AttributeError:
print "Could not delete stack (already deleted?)"
#print "Exited", test_fn.__name__
return wrapped_test
def setup_dummy_db():
migration.db_sync()
engine = get_engine()
conn = engine.connect()