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import os
import sys
import lxml.etree
from mock import Mock, MagicMock, patch
import Bcfg2.Client.Tools
import Bcfg2.Client.Tools.POSIX
# add all parent testsuite directories to sys.path to allow (most)
# relative imports in python 2.4
path = os.path.dirname(__file__)
while path != "/":
if os.path.basename(path).lower().startswith("test"):
sys.path.append(path)
if os.path.basename(path) == "testsuite":
break
path = os.path.dirname(path)
from common import *
def get_config(entries):
config = lxml.etree.Element("Configuration")
bundle = lxml.etree.SubElement(config, "Bundle", name="test")
bundle.extend(entries)
return config
def get_posix_object(logger=None, setup=None, config=None):
if config is None:
config = lxml.etree.Element("Configuration")
if not logger:
def print_msg(msg):
print(msg)
logger = Mock()
logger.error = Mock(side_effect=print_msg)
logger.warning = Mock(side_effect=print_msg)
logger.info = Mock(side_effect=print_msg)
logger.debug = Mock(side_effect=print_msg)
if not setup:
setup = MagicMock()
return Bcfg2.Client.Tools.POSIX.POSIX(logger, setup, config)
class TestPOSIX(Bcfg2TestCase):
def setUp(self):
self.posix = get_posix_object()
def tearDown(self):
# just to guarantee that we start fresh each time
self.posix = None
def test__init(self):
entries = [lxml.etree.Element("Path", name="test", type="file")]
posix = get_posix_object(config=get_config(entries))
self.assertIsInstance(posix, Bcfg2.Client.Tools.Tool)
self.assertIsInstance(posix, Bcfg2.Client.Tools.POSIX.POSIX)
self.assertIn('Path', posix.__req__)
self.assertGreater(len(posix.__req__['Path']), 0)
self.assertGreater(len(posix.__handles__), 0)
self.assertItemsEqual(posix.handled, entries)
@patch("Bcfg2.Client.Tools.Tool.canVerify")
def test_canVerify(self, mock_canVerify):
entry = lxml.etree.Element("Path", name="test", type="file")
# first, test superclass canVerify failure
mock_canVerify.return_value = False
self.assertFalse(self.posix.canVerify(entry))
mock_canVerify.assert_called_with(self.posix, entry)
# next, test fully_specified failure
self.posix.logger.error.reset_mock()
mock_canVerify.reset_mock()
mock_canVerify.return_value = True
mock_fully_spec = Mock()
mock_fully_spec.return_value = False
self.posix._handlers[entry.get("type")].fully_specified = \
mock_fully_spec
self.assertFalse(self.posix.canVerify(entry))
mock_canVerify.assert_called_with(self.posix, entry)
mock_fully_spec.assert_called_with(entry)
self.assertTrue(self.posix.logger.error.called)
# finally, test success
self.posix.logger.error.reset_mock()
mock_canVerify.reset_mock()
mock_fully_spec.reset_mock()
mock_fully_spec.return_value = True
self.assertTrue(self.posix.canVerify(entry))
mock_canVerify.assert_called_with(self.posix, entry)
mock_fully_spec.assert_called_with(entry)
self.assertFalse(self.posix.logger.error.called)
@patch("Bcfg2.Client.Tools.Tool.canInstall")
def test_canInstall(self, mock_canInstall):
entry = lxml.etree.Element("Path", name="test", type="file")
# first, test superclass canInstall failure
mock_canInstall.return_value = False
self.assertFalse(self.posix.canInstall(entry))
mock_canInstall.assert_called_with(self.posix, entry)
# next, test fully_specified failure
self.posix.logger.error.reset_mock()
mock_canInstall.reset_mock()
mock_canInstall.return_value = True
mock_fully_spec = Mock()
mock_fully_spec.return_value = False
self.posix._handlers[entry.get("type")].fully_specified = \
mock_fully_spec
self.assertFalse(self.posix.canInstall(entry))
mock_canInstall.assert_called_with(self.posix, entry)
mock_fully_spec.assert_called_with(entry)
self.assertTrue(self.posix.logger.error.called)
# finally, test success
self.posix.logger.error.reset_mock()
mock_canInstall.reset_mock()
mock_fully_spec.reset_mock()
mock_fully_spec.return_value = True
self.assertTrue(self.posix.canInstall(entry))
mock_canInstall.assert_called_with(self.posix, entry)
mock_fully_spec.assert_called_with(entry)
self.assertFalse(self.posix.logger.error.called)
def test_InstallPath(self):
entry = lxml.etree.Element("Path", name="test", type="file")
mock_install = Mock()
mock_install.return_value = True
self.posix._handlers[entry.get("type")].install = mock_install
self.assertTrue(self.posix.InstallPath(entry))
mock_install.assert_called_with(entry)
def test_VerifyPath(self):
entry = lxml.etree.Element("Path", name="test", type="file")
modlist = []
mock_verify = Mock()
mock_verify.return_value = True
self.posix._handlers[entry.get("type")].verify = mock_verify
self.assertTrue(self.posix.VerifyPath(entry, modlist))
mock_verify.assert_called_with(entry, modlist)
mock_verify.reset_mock()
mock_verify.return_value = False
self.posix.setup.__getitem__.return_value = True
self.assertFalse(self.posix.VerifyPath(entry, modlist))
self.assertIsNotNone(entry.get('qtext'))
@patch('os.remove')
def test_prune_old_backups(self, mock_remove):
entry = lxml.etree.Element("Path", name="/etc/foo", type="file")
setup = dict(ppath='/', max_copies=5, paranoid=True)
posix = get_posix_object(setup=setup)
remove = ["_etc_foo_2012-07-20T04:13:22.364989",
"_etc_foo_2012-07-31T04:13:23.894958",
"_etc_foo_2012-07-17T04:13:22.493316",]
keep = ["_etc_foo_bar_2011-08-07T04:13:22.519978",
"_etc_foo_2012-08-04T04:13:22.519978",
"_etc_Foo_2011-08-07T04:13:22.519978",
"_etc_foo_2012-08-06T04:13:22.519978",
"_etc_foo_2012-08-03T04:13:22.191895",
"_etc_test_2011-08-07T04:13:22.519978",
"_etc_foo_2012-08-07T04:13:22.519978",]
@patch('os.listdir')
def inner(mock_listdir):
mock_listdir.side_effect = OSError
posix._prune_old_backups(entry)
self.assertTrue(posix.logger.error.called)
self.assertFalse(mock_remove.called)
mock_listdir.assert_called_with(setup['ppath'])
mock_listdir.reset_mock()
mock_remove.reset_mock()
mock_listdir.side_effect = None
mock_listdir.return_value = keep + remove
posix._prune_old_backups(entry)
mock_listdir.assert_called_with(setup['ppath'])
self.assertItemsEqual(mock_remove.call_args_list,
[call(os.path.join(setup['ppath'], p))
for p in remove])
mock_listdir.reset_mock()
mock_remove.reset_mock()
mock_remove.side_effect = OSError
posix.logger.error.reset_mock()
# test to ensure that we call os.remove() for all files that
# need to be removed even if we get an error
posix._prune_old_backups(entry)
mock_listdir.assert_called_with(setup['ppath'])
self.assertItemsEqual(mock_remove.call_args_list,
[call(os.path.join(setup['ppath'], p))
for p in remove])
self.assertTrue(posix.logger.error.called)
inner()
@patch("shutil.copy")
@patch("os.path.isdir")
@patch("Bcfg2.Client.Tools.POSIX.POSIX._prune_old_backups")
def test_paranoid_backup(self, mock_prune, mock_isdir, mock_copy):
entry = lxml.etree.Element("Path", name="/etc/foo", type="file")
setup = dict(ppath='/', max_copies=5, paranoid=False)
posix = get_posix_object(setup=setup)
# paranoid false globally
posix._paranoid_backup(entry)
self.assertFalse(mock_prune.called)
self.assertFalse(mock_copy.called)
# paranoid false on the entry
mock_prune.reset_mock()
setup['paranoid'] = True
posix = get_posix_object(setup=setup)
posix._paranoid_backup(entry)
self.assertFalse(mock_prune.called)
self.assertFalse(mock_copy.called)
# entry does not exist on filesystem
mock_prune.reset_mock()
entry.set("paranoid", "true")
entry.set("current_exists", "false")
posix._paranoid_backup(entry)
self.assertFalse(mock_prune.called)
self.assertFalse(mock_copy.called)
# entry is a directory on the filesystem
mock_prune.reset_mock()
entry.set("current_exists", "true")
mock_isdir.return_value = True
posix._paranoid_backup(entry)
self.assertFalse(mock_prune.called)
self.assertFalse(mock_copy.called)
mock_isdir.assert_called_with(entry.get("name"))
# test the actual backup now
mock_prune.reset_mock()
mock_isdir.return_value = False
posix._paranoid_backup(entry)
mock_isdir.assert_called_with(entry.get("name"))
mock_prune.assert_called_with(entry)
# it's basically impossible to test the shutil.copy() call
# exactly because the destination includes microseconds, so we
# just test it good enough
self.assertEqual(mock_copy.call_args[0][0],
entry.get("name"))
bkupnam = os.path.join(setup['ppath'],
entry.get('name').replace('/', '_')) + '_'
self.assertEqual(bkupnam, mock_copy.call_args[0][1][:len(bkupnam)])
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