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# -*- encoding: utf-8 -*-
# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
#
# This library 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.
#
# This library 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 this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Authors: Michal Minar <miminar@redhat.com>
#
"""
Common utilities and base class for all software tests.
"""
import os
import pywbem
import re
import tempfile
import unittest
from subprocess import call, check_output
import rpmcache
RE_NEVRA = re.compile(r'^(?P<name>.+)-(?P<evra>((?P<epoch>\d+):)?(?P<ver>[^-]+)'
r'-(?P<rel>.+)\.(?P<arch>[^.]+))$')
def remove_pkg(pkg, *args):
"""
Remove package with rpm command.
@param pkg is either instance of Package or package name
@param args is a list of parameters for rpm command
"""
if isinstance(pkg, rpmcache.Package):
pkg = pkg.name
call(["rpm", "--quiet"] + list(args) + ["-e", pkg])
def install_pkg(pkg, newer=True, repolist=[]):
"""
Install a specific package.
@param pkg is either package name or instance of Package
In latter case, a specific version is installed.
@param repolist is a list of repositories, that should be
used for downloading, if using yum
when empty, all enabled repositories are used
"""
if isinstance(pkg, rpmcache.Package):
try:
rpm_name = rpmcache.get_rpm_name(pkg, newer=newer)
call(["rpm", "--quiet", "-i", rpm_name])
return
except rpmcache.MissingRPM:
pass
pkg = pkg.name
rpmcache.run_yum('-q', '-y', 'install', pkg, repolist=repolist)
def is_installed(pkg, newer=True):
"""
Check, whether package is installed.
Accepts the same parameters as install_pkg.
@see install_pkg
"""
return rpmcache.is_installed(pkg, newer)
def verify_pkg(name):
"""
@return output of command rpm, with verification output for package
"""
return call(["rpm", "--quiet", "-Va", name]) == 0
def mark_dangerous(method):
"""
Decorator for methods of unittest.TestCase subclasses, that
skips dangerous tests, if environment variable does not allow them.
"""
if os.environ.get('LMI_RUN_DANGEROUS', '0') == '1':
return method
else:
return unittest.skip("This test is marked as dangerous.")(method)
def is_config_file(pkg, file_path):
"""
@return True, if file_path is a configuration file of package pkg.
"""
cmd = ['rpm', '-qc', pkg.name]
out = check_output(cmd)
return file_path in set(out.splitlines()) #pylint: disable=E1103
def is_doc_file(pkg, file_path):
"""
@return True, if file_path is a documentation file of package pkg.
"""
cmd = ['rpm', '-qd', pkg.name]
out = check_output(cmd)
return file_path in set(out.splitlines()) #pylint: disable=E1103
def get_pkg_files(pkg):
"""
Tries to make a the heterogenous and smallest set of test files from
package.
@param pkg must be installed package
@return list of few files installed by pkg
"""
cmd = ['rpm', '-ql', pkg.name]
output = check_output(cmd)
configs = set()
docs = set()
dirs = set()
files = set()
symlinks = set()
for fpath in output.splitlines(): #pylint: disable=E1103
if ( len(dirs) == 0
and not os.path.islink(fpath)
and os.path.isdir(fpath)):
dirs.add(fpath)
elif len(symlinks) == 0 and os.path.islink(fpath):
symlinks.add(fpath)
elif not os.path.islink(fpath) and os.path.isfile(fpath):
if len(configs) == 0 and is_config_file(pkg, fpath):
configs.add(fpath)
elif len(docs) == 0 and is_doc_file(pkg, fpath):
docs.add(fpath)
elif len(files) == 0:
files.add(fpath)
out = list(configs) + list(docs) + list(dirs) + list(symlinks)
if len(files) > 0 and len(docs) == 0 and len(symlinks) == 0:
out += list(files)
return out
class SoftwareBaseTestCase(unittest.TestCase): #pylint: disable=R0904
"""
Base class for all LMI Software test classes.
"""
CLASS_NAME = "Define in subclass"
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
self.longMessage = True
def setUp(self):
unittest.TestCase.setUp(self)
self.objpath = pywbem.CIMInstanceName(
namespace="root/cimv2", classname=self.CLASS_NAME)
def install_pkg(self, pkg, newer=True, repolist=None):
if repolist is None:
repolist = self.test_repos
return install_pkg(pkg, newer, repolist)
def assertIsSubclass(self, cls, base_cls): #pylint: disable=C0103
"""
Checks, whether cls is subclass of base_cls from CIM perspective.
@param cls name of subclass
@param base_cls name of base class
"""
if not isinstance(cls, basestring):
raise TypeError("cls must be a string")
if not isinstance(base_cls, basestring):
raise TypeError("base_cls must be a string")
return self.assertTrue(pywbem.is_subclass(self.conn,
"root/cimv2", base_cls, cls))
def assertEqual(self, fst, snd, *args, **kwargs):
if ( isinstance(fst, pywbem.CIMInstanceName)
and isinstance(snd, pywbem.CIMInstanceName)
and fst.classname == "LMI_SoftwarePackage"
and fst.classname == snd.classname
and fst.namespace == snd.namespace
and fst.keys() == snd.keys()
and all(fst[k] == snd[k] for k in ("Name", "SoftwareElementID",
"SoftwareElementState", "Version"))
and isinstance(fst["TargetOperatingSystem"], (int, long))
and isinstance(snd["TargetOperatingSystem"], (int, long))):
return True
return unittest.TestCase.assertEqual(
self, fst, snd, *args, **kwargs)
@classmethod
def setUpClass(cls):
cls.url = os.environ.get('LMI_CIMOM_URL', 'http://localhost:5988')
cls.user = os.environ.get('LMI_CIMOM_USERNAME', '')
cls.password = os.environ.get('LMI_CIMOM_PASSWORD', '')
cls.broker = os.environ.get('LMI_CIMOM_BROKER', None)
cls.conn = pywbem.WBEMConnection(cls.url, (cls.user, cls.password))
cls.run_dangerous = (
os.environ.get('LMI_RUN_DANGEROUS', '0') == '1')
cls.test_repos = os.environ.get('LMI_SOFTWARE_TEST_REPOS', '')
if not cls.test_repos:
cls.test_repos = []
else:
cls.test_repos = cls.test_repos.split(',')
use_cache = os.environ.get('LMI_SOFTWARE_USE_CACHE', '0') == '1'
cls.cache_dir = None
if use_cache:
cls.cache_dir = os.environ.get('LMI_SOFTWARE_CACHE_DIR', None)
if cls.cache_dir is None:
cls.cache_dir = tempfile.mkdtemp(suffix="software_database")
if cls.cache_dir:
cls.prev_dir = os.getcwd()
if not os.path.exists(cls.cache_dir):
os.makedirs(cls.cache_dir)
# rpm packages are expected to be in CWD
os.chdir(cls.cache_dir)
cls.pkgdb = rpmcache.get_pkg_database(use_cache=use_cache)
for pkg in cls.pkgdb:
if not is_installed(pkg.name):
install_pkg(pkg, repolist=cls.test_repos)
cls.pkg_files = dict((pkg.name, get_pkg_files(pkg))
for pkg in cls.pkgdb)
@classmethod
def tearDownClass(cls):
if cls.run_dangerous:
for pkg in cls.pkgdb:
if is_installed(pkg.name):
remove_pkg(pkg.name)
if hasattr(cls, "prev_dir"):
os.chdir(cls.prev_dir)
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