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# vim: set fileencoding=utf-8 :
#
# (C) 2012 Intel Corporation <markus.lehtonen@linux.intel.com>
# 2013 Guido Günther <agx@sigxcpu.org>
#
# This program 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
Module for testing individual command line tools of the git-buildpackage suite
"""
import os
import re
import shutil
import tempfile
from io import StringIO
from nose import SkipTest
from nose.tools import eq_, ok_ # pylint: disable=E0611
import gbp.log
from gbp.git import GitRepository, GitRepositoryError
class ComponentTestGitRepository(GitRepository):
"""Git repository class for component tests"""
def submodule_status(self):
"""
Determine submodules and their status
"""
out, err, ret = self._git_inout('submodule', ['status'],
capture_stderr=True)
if ret:
raise GitRepositoryError("Cannot get submodule status: %s" %
err.strip())
submodules = {}
for line in out.splitlines():
module = line.strip()
# Uninitialized
status = module[0]
if status == '-':
sha1, path = module[1:].rsplit(' ', 1)
else:
commitpath = module[1:].rsplit(' ', 1)[0]
sha1, path = commitpath.split(' ', 1)
submodules[path] = (status, sha1)
return submodules
@classmethod
def check_testdata(cls, data):
"""Check whether the testdata is current"""
try:
repo = cls('.')
except GitRepositoryError:
raise SkipTest("Skipping '%s', since this is not a git checkout."
% __name__)
submodules = repo.submodule_status()
try:
status = submodules[data]
except KeyError:
raise SkipTest("Skipping '%s', testdata directory not a known "
"submodule." % __name__)
if status[0] == '-':
raise SkipTest("Skipping '%s', testdata directory not initialized. "
"Consider doing 'git submodule update'" % __name__)
class ComponentTestBase(object):
"""Base class for testing cmdline tools of git-buildpackage"""
@classmethod
def setup_class(cls):
"""Test class case setup"""
# Don't let git see that we're (possibly) under a git directory
cls.orig_env = os.environ.copy()
os.environ['GIT_CEILING_DIRECTORIES'] = os.getcwd()
# Create a top-level tmpdir for the test
cls._tmproot = tempfile.mkdtemp(prefix='gbp_%s_' % cls.__name__,
dir='.')
# Prevent local config files from messing up the tests
os.environ['GBP_CONF_FILES'] = '%(top_dir)s/.gbp.conf:' \
'%(top_dir)s/debian/gbp.conf:%(git_dir)s/gbp.conf'
# Initialize gbp logging module
gbp.log.initialize()
@classmethod
def teardown_class(cls):
"""Test class case teardown"""
# Return original environment
os.environ.clear()
os.environ.update(cls.orig_env)
# Remove top-level tmpdir
if not os.getenv("GBP_TESTS_NOCLEAN"):
shutil.rmtree(cls._tmproot)
def __init__(self):
"""Object initialization"""
self._orig_dir = None
self._tmpdir = None
self._log = None
self._loghandler = None
def setup(self):
"""Test case setup"""
# Change to a temporary directory
self._orig_dir = os.getcwd()
self._tmpdir = tempfile.mkdtemp(prefix='gbp_%s_' % __name__,
dir=self._tmproot)
os.chdir(self._tmpdir)
self._capture_log(True)
def teardown(self):
"""Test case teardown"""
# Restore original working dir
os.chdir(self._orig_dir)
if not os.getenv("GBP_TESTS_NOCLEAN"):
shutil.rmtree(self._tmpdir)
self._capture_log(False)
@staticmethod
def check_files(reference, filelist):
"""Compare two file lists"""
extra = set(filelist) - set(reference)
missing = set(reference) - set(filelist)
assert_msg = "Unexpected files: %s, Missing files: %s" % \
(list(extra), list(missing))
assert not extra and not missing, assert_msg
@staticmethod
def ls_tree(repo, treeish):
"""List contents (blobs) in a git treeish"""
objs = repo.list_tree(treeish, True)
blobs = [obj[3] for obj in objs if obj[1] == 'blob']
return set(blobs)
@classmethod
def _check_repo_state(cls, repo, current_branch, branches, files=None,
dirs=None):
"""Check that repository is clean and given branches exist"""
branch = repo.branch
eq_(branch, current_branch)
ok_(repo.is_clean())
local_branches = repo.get_local_branches()
assert_msg = "Branches: expected %s, found %s" % (branches,
local_branches)
eq_(set(local_branches), set(branches), assert_msg)
if files is not None or dirs is not None:
# Get files of the working copy recursively
local_f = set()
local_d = set()
for dirpath, dirnames, filenames in os.walk(repo.path):
# Skip git dir(s)
if '.git' in dirnames:
dirnames.remove('.git')
for filename in filenames:
local_f.add(os.path.relpath(os.path.join(dirpath, filename),
repo.path))
for dirname in dirnames:
local_d.add(os.path.relpath(os.path.join(dirpath, dirname),
repo.path) + '/')
if files is not None:
cls.check_files(files, local_f)
if dirs is not None:
cls.check_files(dirs, local_d)
def _capture_log(self, capture=True):
""" Capture log"""
if capture and self._log is None:
self._log = StringIO()
self._loghandler = gbp.log.GbpStreamHandler(self._log, False)
self._loghandler.addFilter(gbp.log.GbpFilter([gbp.log.WARNING,
gbp.log.ERROR]))
for hdl in gbp.log.LOGGER.handlers:
gbp.log.LOGGER.removeHandler(hdl)
gbp.log.LOGGER.addHandler(self._loghandler)
elif self._log is not None:
gbp.log.LOGGER.removeHandler(self._loghandler)
self._loghandler.close()
self._loghandler = None
self._log.close()
self._log = None
def _get_log(self):
"""Get the captured log output"""
self._log.seek(0)
return self._log.readlines()
def _check_log(self, linenum, regex):
"""Check that the specified line on log matches expectations"""
if self._log is None:
raise Exception("BUG in unittests: no log captured!")
output = self._get_log()[linenum].strip()
ok_(re.match(regex, output),
"Log entry '%s' doesn't match '%s'" % (output, regex))
def _clear_log(self):
"""Clear the mock strerr"""
if self._log is not None:
self._log.seek(0)
self._log.truncate()
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