1 files changed, 82 insertions, 0 deletions
diff --git a/src/software/test/util.py b/src/software/test/util.py
new file mode 100644
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+++ b/src/software/test/util.py
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+#!/usr/bin/python
+# -*- Coding: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: Radek Novacek <rnovacek@redhat.com>
+# Authors: Michal Minar <miminar@redhat.com>
+
+"""
+Common test utilities.
+"""
+
+import re
+from subprocess import check_output
+
+RE_NEVRA = re.compile(
+    r'^(?P<name>.+)-(?P<evra>(?P<epoch>\d+):(?P<ver>[^-]+)'
+    r'-(?P<rel>.+)\.(?P<arch>[^.]+))$')
+RE_NEVRA_OPT_EPOCH = re.compile(
+    r'^(?P<name>.+)-(?P<evra>((?P<epoch>\d+):)?(?P<ver>[^-]+)'
+    r'-(?P<rel>.+)\.(?P<arch>[^.]+))$')
+RE_ENVRA = re.compile(
+    r'^(?P<epoch>\d+|\(none\)):(?P<name>.+)-(?P<ver>[^-]+)'
+    r'-(?P<rel>.+)\.(?P<arch>[^.]+)$')
+
+def make_nevra(name, epoch, ver, rel, arch, with_epoch='NOT_ZERO'):
+    """
+    @param with_epoch may be one of:
+        "NOT_ZERO" - include epoch only if it's not zero
+        "ALWAYS"   - include epoch always
+        "NEVER"    - do not include epoch at all
+    """
+    estr = ''
+    if with_epoch.lower() == "always":
+        estr = epoch
+    elif with_epoch.lower() == "not_zero":
+        if epoch and epoch.lower() not in {"0", "(none)"}:
+            estr = epoch
+    if len(estr):
+        estr += ":"
+    return "%s-%s%s-%s.%s" % (name, estr, ver, rel, arch)
+
+def make_evra(epoch, ver, rel, arch):
+    """ @return evra string """
+    if not epoch or epoch.lower() == "(none)":
+        epoch = "0"
+    return "%s:%s-%s.%s" % (epoch, ver, rel, arch)
+
+def run_yum(*params, **kwargs):
+    """
+    Runs yum with params and returns its output
+    It's here especially to allow pass a repolist argument, that
+    specifies list of repositories, to run the command on.
+    """
+    cmd = ['yum'] + list(params)
+    repolist = kwargs.get('repolist', None)
+    if repolist is None:
+        repolist = []
+    if repolist:
+        cmd += ['--disablerepo=*']
+        cmd += ['--enablerepo='+r for r in repolist]
+    return check_output(cmd)
+
+def get_system_architecture():
+    """
+    @return the system architecture name as seen by rpm
+    """
+    return check_output(['rpm', '-q', '--qf', '%{ARCH}\n', 'rpm'])
+