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# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program 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 General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
import os
import sys
import cStringIO
class PatcherMixin(object):
"""
Mix this in to get a few special-cased patching methods
"""
def patch_os_uname(self, replacement):
# twisted's 'patch' doesn't handle the case where an attribute
# doesn't exist..
if hasattr(os, 'uname'):
self.patch(os, 'uname', replacement)
else:
def cleanup():
del os.uname
self.addCleanup(cleanup)
os.uname = replacement
class StdoutAssertionsMixin(object):
"""
Mix this in to be able to assert on stdout during the test
"""
def setUpStdoutAssertions(self):
self.stdout = cStringIO.StringIO()
self.patch(sys, 'stdout', self.stdout)
def assertWasQuiet(self):
self.assertEqual(self.stdout.getvalue(), '')
def assertInStdout(self, exp):
self.assertIn(exp, self.stdout.getvalue())
def getStdout(self):
return self.stdout.getvalue().strip()
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