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# Copyright 2007 Google Inc.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Unit tests for nss_cache/nss.py."""
__author__ = "vasilios@google.com (Vasilios Hoffman)"
import subprocess
import unittest
from unittest import mock
from nss_cache import config
from nss_cache import error
from nss_cache import nss
from nss_cache.maps import group
from nss_cache.maps import passwd
from nss_cache.maps import shadow
class TestNSS(unittest.TestCase):
"""Tests for the NSS library."""
def testGetMap(self):
"""that GetMap is calling the right GetFooMap routines."""
# stub, retval, arg
maps = [
("GetPasswdMap", "TEST_PASSWORD", config.MAP_PASSWORD),
("GetGroupMap", "TEST_GROUP", config.MAP_GROUP),
("GetShadowMap", "TEST_SHADOW", config.MAP_SHADOW),
]
for (fn, retval, arg) in maps:
with mock.patch.object(nss, fn) as mock_map:
mock_map.return_value = retval
self.assertEqual(retval, nss.GetMap(arg))
mock_map.assert_called_once()
def testGetMapException(self):
"""GetMap throws error.UnsupportedMap for unsupported maps."""
self.assertRaises(error.UnsupportedMap, nss.GetMap, "ohio")
def testGetPasswdMap(self):
"""Verify we build a correct password map from nss calls."""
# mocks
entry1 = passwd.PasswdMapEntry()
entry1.name = "foo"
entry1.uid = 10
entry1.gid = 10
entry1.gecos = "foo bar"
entry1.dir = "/home/foo"
entry1.shell = "/bin/shell"
entry2 = passwd.PasswdMapEntry()
entry2.name = "bar"
entry2.uid = 20
entry2.gid = 20
entry2.gecos = "foo bar"
entry2.dir = "/home/monkeyboy"
entry2.shell = "/bin/shell"
foo = ("foo", "x", 10, 10, "foo bar", "/home/foo", "/bin/shell")
bar = ("bar", "x", 20, 20, "foo bar", "/home/monkeyboy", "/bin/shell")
# stubs
with mock.patch("pwd.getpwall") as mock_pwall:
mock_pwall.return_value = [foo, bar]
password_map = nss.GetPasswdMap()
self.assertTrue(isinstance(password_map, passwd.PasswdMap))
self.assertEqual(len(password_map), 2)
self.assertTrue(password_map.Exists(entry1))
self.assertTrue(password_map.Exists(entry2))
def testGetGroupMap(self):
"""Verify we build a correct group map from nss calls."""
# mocks
entry1 = group.GroupMapEntry()
entry1.name = "foo"
entry1.passwd = "*"
entry1.gid = 10
entry1.members = [""]
entry2 = group.GroupMapEntry()
entry2.name = "bar"
entry2.passwd = "*"
entry2.gid = 20
entry2.members = ["foo", "bar"]
foo = ("foo", "*", 10, [])
bar = ("bar", "*", 20, ["foo", "bar"])
# stubs
with mock.patch("grp.getgrall") as mock_grpall:
mock_grpall.return_value = [foo, bar]
group_map = nss.GetGroupMap()
self.assertTrue(isinstance(group_map, group.GroupMap))
self.assertEqual(len(group_map), 2)
self.assertTrue(group_map.Exists(entry1))
self.assertTrue(group_map.Exists(entry2))
def testGetShadowMap(self):
"""Verify we build a correct shadow map from nss calls."""
line1 = b"foo:!!::::::::"
line2 = b"bar:!!::::::::"
entry1 = shadow.ShadowMapEntry()
entry1.name = "foo"
entry2 = shadow.ShadowMapEntry()
entry2.name = "bar"
with mock.patch.object(nss, "_SpawnGetent") as mock_getent:
# stub
mock_process = mock.create_autospec(subprocess.Popen)
mock_getent.return_value = mock_process
mock_process.communicate.return_value = [b"\n".join([line1, line2]), b""]
mock_process.returncode = 0
# test
shadow_map = nss.GetShadowMap()
self.assertTrue(isinstance(shadow_map, shadow.ShadowMap))
self.assertEqual(len(shadow_map), 2)
self.assertTrue(shadow_map.Exists(entry1))
self.assertTrue(shadow_map.Exists(entry2))
if __name__ == "__main__":
unittest.main()
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