/usr/lib/python3/dist-packages/aptdaemon/test.py is in python3-aptdaemon.test 1.1.1-1ubuntu5.2.
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# -*- coding: utf-8 -*-
"""Small helpers for the test suite."""
# Copyright (C) 2011 Sebastian Heinlein <devel@glatzor.de>
#
# Licensed under the GNU General Public License Version 2
#
# 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.
# Licensed under the GNU General Public License Version 2
__author__ = "Sebastian Heinlein <devel@glatzor.de>"
__all__ = ("get_tests_dir", "Chroot", "AptDaemonTestCase")
import inspect
import os
import shutil
import subprocess
import sys
import time
import tempfile
import unittest
if sys.version_info.major > 2:
from http.server import HTTPServer
from http.server import SimpleHTTPRequestHandler as HTTPRequestHandler
else:
from BaseHTTPServer import HTTPServer
from SimpleHTTPServer import SimpleHTTPRequestHandler as HTTPRequestHandler
import apt_pkg
import apt.auth
PY3K = sys.version_info.major > 2
class MockQueue(object):
"""A fake TransactionQueue which only provides a limbo attribute."""
def __init__(self):
self.limbo = {}
class Chroot(object):
"""Provides a chroot which can be used by APT."""
def __init__(self, prefix="tmp"):
self.path = tempfile.mkdtemp(prefix)
def setup(self):
"""Setup the chroot and modify the apt configuration."""
for subdir in ["alternatives", "info", "parts", "updates", "triggers"]:
path = os.path.join(self.path, "var", "lib", "dpkg", subdir)
os.makedirs(path)
for fname in ["status", "available"]:
with open(os.path.join(self.path, "var", "lib", "dpkg", fname),
"w"):
pass
os.makedirs(os.path.join(self.path, "var/cache/apt/archives/partial"))
os.makedirs(os.path.join(self.path, "var/lib/apt/lists"))
os.makedirs(os.path.join(self.path, "var/lib/apt/lists/partial"))
os.makedirs(os.path.join(self.path, "etc/apt/apt.conf.d"))
os.makedirs(os.path.join(self.path, "etc/apt/sources.list.d"))
os.makedirs(os.path.join(self.path, "etc/apt/preferences.d"))
os.makedirs(os.path.join(self.path, "var/log"))
os.makedirs(os.path.join(self.path, "media"))
# Make apt use the new chroot
dpkg_wrapper = os.path.join(get_tests_dir(), "dpkg-wrapper.sh")
apt_key_wrapper = os.path.join(get_tests_dir(), "fakeroot-apt-key")
config_path = os.path.join(self.path, "etc/apt/apt.conf.d/10chroot")
with open(config_path, "w") as cnf:
cnf.write("Dir::Bin::DPkg %s;" % dpkg_wrapper)
cnf.write("Dir::Bin::Apt-Key %s;" % apt_key_wrapper)
apt_pkg.read_config_file(apt_pkg.config, config_path)
apt_pkg.init_system()
apt_pkg.config["Dir"] = self.path
def remove(self):
"""Remove the files of the chroot."""
apt_pkg.config.clear("Dir")
apt_pkg.config.clear("Dir::State::Status")
apt_pkg.init()
shutil.rmtree(self.path)
def add_trusted_key(self):
"""Add glatzor's key to the trusted ones."""
apt.auth.add_key_from_file(os.path.join(get_tests_dir(),
"repo/glatzor.gpg"))
def install_debfile(self, path, force_depends=False):
"""Install a package file into the chroot."""
cmd_list = ["fakeroot", "dpkg", "--root", self.path,
"--log=%s/var/log/dpkg.log" % self.path]
if force_depends:
cmd_list.append("--force-depends")
cmd_list.extend(["--install", path])
cmd = subprocess.Popen(cmd_list,
env={"PATH": "/sbin:/bin:/usr/bin:/usr/sbin"})
cmd.communicate()
def add_test_repository(self, copy_list=True, copy_sig=True):
"""Add the test repository to the to the chroot."""
return self.add_repository(os.path.join(get_tests_dir(), "repo"),
copy_list, copy_sig)
def add_cdrom_repository(self):
"""Emulate a repository on removable device."""
# Create the content of a fake cdrom
media_path = os.path.join(self.path, "tmp/fake-cdrom")
# The cdom gets identified by the info file
os.makedirs(os.path.join(media_path, ".disk"))
with open(os.path.join(media_path, ".disk/info"), "w") as info:
info.write("This is a fake CDROM")
# Copy the test repository "on" the cdrom
shutil.copytree(os.path.join(get_tests_dir(), "repo"),
os.path.join(media_path, "repo"))
# Call apt-cdrom add
mount_point = self.mount_cdrom()
os.system("apt-cdrom add -m -d %s "
"-o 'Debug::Acquire::cdrom'=True "
"-o 'Acquire::cdrom::AutoDetect'=False "
"-o 'Dir'=%s" % (mount_point, self.path))
self.unmount_cdrom()
config_path = os.path.join(self.path, "etc/apt/apt.conf.d/11cdrom")
with open(config_path, "w") as cnf:
cnf.write('Debug::Acquire::cdrom True;\n'
'Acquire::cdrom::AutoDetect False;\n'
'Acquire::cdrom::NoMount True;\n'
'Acquire::cdrom::mount "%s";' % mount_point)
def mount_cdrom(self):
"""Copy the repo information to the CDROM mount point."""
mount_point = os.path.join(self.path, "media/cdrom")
os.symlink(os.path.join(self.path, "tmp/fake-cdrom"), mount_point)
return mount_point
def unmount_cdrom(self):
"""Remove all files from the mount point."""
os.unlink(os.path.join(self.path, "media/cdrom"))
def add_repository(self, path, copy_list=True, copy_sig=True):
"""Add a sources.list entry to the chroot."""
# Add a sources list
lst_path = os.path.join(self.path, "etc/apt/sources.list")
with open(lst_path, "w") as lst_file:
lst_file.write("deb file://%s ./ # Test repository" % path)
if copy_list:
filename = apt_pkg.uri_to_filename("file://%s/." % path)
shutil.copy(os.path.join(path, "Packages"),
"%s/var/lib/apt/lists/%s_Packages" % (self.path,
filename))
if os.path.exists(os.path.join(path, "Release")):
shutil.copy(os.path.join(path, "Release"),
"%s/var/lib/apt/lists/%s_Release" % (self.path,
filename))
if copy_sig and os.path.exists(os.path.join(path, "Release.gpg")):
shutil.copy(os.path.join(path, "Release.gpg"),
"%s/var/lib/apt/lists/%s_Release.gpg" % (self.path,
filename))
class AptDaemonTestCase(unittest.TestCase):
@classmethod
def setupClass(cls):
# Start with a clean APT configuration to remove changes
# of previous tests
for key in set([key.split("::")[0] for key in apt_pkg.config.keys()]):
apt_pkg.config.clear(key)
apt_pkg.init_config()
def start_fake_polkitd(self, options="all"):
"""Start a fake PolicyKit daemon.
:param allowed_actions: comma separated list of allowed actions.
Defaults to all
"""
try:
env = os.environ.copy()
env["DBUS_SYSTEM_BUS_ADDRESS"] = self.dbus_address
except AttributeError:
env = None
dir = get_tests_dir()
proc = subprocess.Popen([os.path.join(dir, "fake-polkitd.py"),
"--allowed-actions", options],
env=env)
self.addCleanup(self._kill_process, proc)
return proc
def start_session_aptd(self, chroot="/", debug=True):
"""Start an aptdaemon which listens on the session D-Bus.
:param chroot: path to the chroot
"""
env = os.environ.copy()
try:
env["DBUS_SYSTEM_BUS_ADDRESS"] = self.dbus_address
except AttributeError:
pass
try:
env.pop("http_proxy") # Unset a local proxy, see LP #1050799
except KeyError:
pass
dir = get_tests_dir()
if dir == "/usr/share/aptdaemon/tests":
path = "/usr/sbin/aptd"
else:
path = os.path.join(dir, "../aptd")
cmd = ["python3", path, "--disable-timeout", "--disable-plugins",
"--chroot", chroot]
if debug:
cmd.append("--debug")
proc = subprocess.Popen(cmd, env=env)
self.addCleanup(self._kill_process, proc)
return proc
def start_dbus_daemon(self):
"""Start a private D-Bus daemon and return its process and address."""
proc, dbus_address = start_dbus_daemon()
self.addCleanup(self._kill_process, proc)
self.dbus_address = dbus_address
def start_keyserver(self, filename=None):
"""Start a fake keyserver on hkp://localhost:19191
Keyword arguments:
filename -- Optional path to a GnuPG pulic key file which should
be returned by lookups. By default the key of the test repo
is used.
"""
dir = tempfile.mkdtemp(prefix="keyserver-test-")
self.addCleanup(shutil.rmtree, dir)
os.mkdir(os.path.join(dir, "pks"))
if filename is None:
filename = os.path.join(get_tests_dir(), "repo/glatzor.gpg")
shutil.copy(filename, os.path.join(dir, "pks", "lookup"))
pid = os.fork()
if pid == 0:
# quiesce server log
os.dup2(os.open('/dev/null', os.O_WRONLY), sys.stderr.fileno())
os.chdir(dir)
httpd = HTTPServer(('localhost', 19191), HTTPRequestHandler)
httpd.serve_forever()
os._exit(0)
else:
self.addCleanup(self._kill_pid, pid)
# wait a bit until server is ready
time.sleep(0.5)
def _kill_pid(self, pid):
os.kill(pid, 15)
os.wait()
def _kill_process(self, proc):
proc.kill()
proc.wait()
def get_tests_dir():
"""Return the absolute path to the tests directory."""
# Try to detect a relative tests dir if we are running from the source
# directory
try:
path = inspect.getsourcefile(sys.modules["aptdaemon.test"])
except KeyError:
path = inspect.getsourcefile(inspect.currentframe())
path = os.path.realpath(path)
relative_path = os.path.join(os.path.dirname(path), "../tests")
if os.path.exists(os.path.join(relative_path, "repo/Packages")):
return os.path.normpath(relative_path)
# Fallback to an absolute path
elif os.path.exists("/usr/share/aptdaemon/tests/repo/Packages"):
return "/usr/share/aptdaemon/tests"
else:
raise Exception("Could not find tests direcotry")
def start_dbus_daemon():
"""Start a private D-Bus daemon and return its process and address."""
config_path = os.path.join(get_tests_dir(), "dbus.conf")
proc = subprocess.Popen(["dbus-daemon", "--nofork",
"--print-address", "--config-file",
config_path],
stdout=subprocess.PIPE)
output = proc.stdout.readline().strip()
if PY3K:
dbus_address = output.decode()
else:
dbus_address = output
return proc, dbus_address
# vim: ts=4 et sts=4
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