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import os
import copy
import binascii
import unittest
import lxml.etree
from mock import Mock, MagicMock, patch
from Bcfg2.Client.Tools.POSIX.File import *
from Test__init import get_posix_object
def call(*args, **kwargs):
""" the Mock call object is a fairly recent addition, but it's
very very useful, so we create our own function to create Mock
calls """
return (args, kwargs)
def get_file_object(posix=None):
if posix is None:
posix = get_posix_object()
return POSIXFile(posix.logger, posix.setup, posix.config)
class TestPOSIXFile(unittest.TestCase):
def test_fully_specified(self):
entry = lxml.etree.Element("Path", name="/test", type="file")
ptool = get_file_object()
self.assertFalse(ptool.fully_specified(entry))
entry.set("empty", "true")
self.assertTrue(ptool.fully_specified(entry))
entry.set("empty", "false")
entry.text = "text"
self.assertTrue(ptool.fully_specified(entry))
def test_is_string(self):
ptool = get_file_object()
for char in range(8) + range(14, 32):
self.assertFalse(ptool._is_string("foo" + chr(char) + "bar",
'utf_8'))
for char in range(9, 14) + range(33, 128):
self.assertTrue(ptool._is_string("foo" + chr(char) + "bar",
'utf_8'))
self.assertFalse(ptool._is_string("foo" + chr(128) + "bar",
'ascii'))
ustr = '\xef\xa3\x91 + \xef\xa3\x92'
self.assertTrue(ptool._is_string(ustr, 'utf_8'))
self.assertFalse(ptool._is_string(ustr, 'ascii'))
def test_get_data(self):
orig_entry = lxml.etree.Element("Path", name="/test", type="file")
setup = dict(encoding="ascii", ppath='/', max_copies=5)
ptool = get_file_object(posix=get_posix_object(setup=setup))
entry = copy.deepcopy(orig_entry)
entry.text = binascii.b2a_base64("test")
entry.set("encoding", "base64")
self.assertEqual(ptool._get_data(entry), ("test", True))
entry = copy.deepcopy(orig_entry)
entry.set("empty", "true")
self.assertEqual(ptool._get_data(entry), ("", False))
entry = copy.deepcopy(orig_entry)
entry.text = "test"
self.assertEqual(ptool._get_data(entry), ("test", False))
ustr = u'\uf8d1 + \uf8d2'
entry = copy.deepcopy(orig_entry)
entry.text = ustr
self.assertEqual(ptool._get_data(entry), (ustr, False))
setup['encoding'] = "utf_8"
ptool = get_file_object(posix=get_posix_object(setup=setup))
entry = copy.deepcopy(orig_entry)
entry.text = ustr
self.assertEqual(ptool._get_data(entry),
('\xef\xa3\x91 + \xef\xa3\x92', False))
@patch("__builtin__.open")
@patch("Bcfg2.Client.Tools.POSIX.base.POSIXTool.verify")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._exists")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._get_data")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._get_diffs")
def test_verify(self, mock_get_diffs, mock_get_data, mock_exists,
mock_verify, mock_open):
entry = lxml.etree.Element("Path", name="/test", type="file")
setup = dict(interactive=False, ppath='/', max_copies=5)
ptool = get_file_object(posix=get_posix_object(setup=setup))
def reset():
mock_get_diffs.reset_mock()
mock_get_data.reset_mock()
mock_exists.reset_mock()
mock_verify.reset_mock()
mock_open.reset_mock()
mock_get_data.return_value = ("test", False)
mock_exists.return_value = False
mock_verify.return_value = True
self.assertFalse(ptool.verify(entry, []))
mock_exists.assert_called_with(entry)
mock_verify.assert_called_with(ptool, entry, [])
mock_get_diffs.assert_called_with(entry, interactive=False,
sensitive=False,
is_binary=False,
content="")
reset()
exists_rv = MagicMock()
exists_rv.__getitem__.return_value = 5
mock_exists.return_value = exists_rv
mock_get_data.return_value = ("test", True)
self.assertFalse(ptool.verify(entry, []))
mock_exists.assert_called_with(entry)
mock_verify.assert_called_with(ptool, entry, [])
mock_get_diffs.assert_called_with(entry, interactive=False,
sensitive=False,
is_binary=True,
content=None)
reset()
mock_get_data.return_value = ("test", False)
exists_rv.__getitem__.return_value = 4
entry.set("sensitive", "true")
open_rv = Mock()
open_rv.read.return_value = "tart"
mock_open.return_value = open_rv
self.assertFalse(ptool.verify(entry, []))
mock_exists.assert_called_with(entry)
mock_verify.assert_called_with(ptool, entry, [])
mock_open.assert_called_with(entry.get("name"))
open_rv.assert_any_call()
mock_get_diffs.assert_called_with(entry, interactive=False,
sensitive=True,
is_binary=False,
content="tart")
reset()
open_rv.read.return_value = "test"
mock_open.return_value = open_rv
self.assertTrue(ptool.verify(entry, []))
mock_exists.assert_called_with(entry)
mock_verify.assert_called_with(ptool, entry, [])
mock_open.assert_called_with(entry.get("name"))
open_rv.assert_any_call()
self.assertFalse(mock_get_diffs.called)
reset()
mock_open.side_effect = IOError
self.assertFalse(ptool.verify(entry, []))
mock_exists.assert_called_with(entry)
mock_open.assert_called_with(entry.get("name"))
@patch("os.fdopen")
@patch("tempfile.mkstemp")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._get_data")
def test_write_tmpfile(self, mock_get_data, mock_mkstemp, mock_fdopen):
entry = lxml.etree.Element("Path", name="/test", type="file",
perms='0644', owner='root', group='root')
ptool = get_file_object()
newfile = "/foo/bar"
def reset():
mock_get_data.reset_mock()
mock_mkstemp.reset_mock()
mock_fdopen.reset_mock()
mock_get_data.return_value = ("test", False)
mock_mkstemp.return_value = (5, newfile)
self.assertEqual(ptool._write_tmpfile(entry), newfile)
mock_get_data.assert_called_with(entry)
mock_mkstemp.assert_called_with(prefix='test', dir='/')
mock_fdopen.assert_called_with(5, 'w')
mock_fdopen.return_value.write.assert_called_with("test")
reset()
mock_mkstemp.side_effect = OSError
self.assertFalse(ptool._write_tmpfile(entry))
mock_mkstemp.assert_called_with(prefix='test', dir='/')
reset()
mock_mkstemp.side_effect = None
mock_fdopen.side_effect = OSError
self.assertFalse(ptool._write_tmpfile(entry))
mock_mkstemp.assert_called_with(prefix='test', dir='/')
mock_get_data.assert_called_with(entry)
mock_fdopen.assert_called_with(5, 'w')
@patch("os.rename")
@patch("os.unlink")
def test_rename_tmpfile(self, mock_unlink, mock_rename):
entry = lxml.etree.Element("Path", name="/test", type="file",
perms='0644', owner='root', group='root')
ptool = get_file_object()
newfile = "/foo/bar"
self.assertTrue(ptool._rename_tmpfile(newfile, entry))
mock_rename.assert_called_with(newfile, entry.get("name"))
mock_rename.reset_mock()
mock_unlink.reset_mock()
mock_rename.side_effect = OSError
self.assertFalse(ptool._rename_tmpfile(newfile, entry))
mock_rename.assert_called_with(newfile, entry.get("name"))
mock_unlink.assert_called_with(newfile)
# even if the unlink fails, return false gracefully
mock_rename.reset_mock()
mock_unlink.reset_mock()
mock_unlink.side_effect = OSError
self.assertFalse(ptool._rename_tmpfile(newfile, entry))
mock_rename.assert_called_with(newfile, entry.get("name"))
mock_unlink.assert_called_with(newfile)
@patch("os.path.exists")
@patch("Bcfg2.Client.Tools.POSIX.base.POSIXTool.install")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._makedirs")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._set_perms")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._write_tmpfile")
@patch("Bcfg2.Client.Tools.POSIX.File.POSIXFile._rename_tmpfile")
def test_install(self, mock_rename, mock_write, mock_set_perms,
mock_makedirs, mock_install, mock_exists):
entry = lxml.etree.Element("Path", name="/test", type="file",
perms='0644', owner='root', group='root')
ptool = get_file_object()
def reset():
mock_rename.reset_mock()
mock_write.reset_mock()
mock_set_perms.reset_mock()
mock_makedirs.reset_mock()
mock_install.reset_mock()
mock_exists.reset_mock()
mock_exists.return_value = False
mock_makedirs.return_value = False
self.assertFalse(ptool.install(entry))
mock_exists.assert_called_with("/")
mock_makedirs.assert_called_with(entry, path="/")
reset()
mock_makedirs.return_value = True
mock_write.return_value = False
self.assertFalse(ptool.install(entry))
mock_exists.assert_called_with("/")
mock_makedirs.assert_called_with(entry, path="/")
mock_write.assert_called_with(entry)
reset()
newfile = '/test.X987yS'
mock_write.return_value = newfile
mock_set_perms.return_value = False
mock_rename.return_value = False
self.assertFalse(ptool.install(entry))
mock_exists.assert_called_with("/")
mock_makedirs.assert_called_with(entry, path="/")
mock_write.assert_called_with(entry)
mock_set_perms.assert_called_with(entry, path=newfile)
mock_rename.assert_called_with(newfile, entry)
reset()
mock_rename.return_value = True
mock_install.return_value = False
self.assertFalse(ptool.install(entry))
mock_exists.assert_called_with("/")
mock_makedirs.assert_called_with(entry, path="/")
mock_write.assert_called_with(entry)
mock_set_perms.assert_called_with(entry, path=newfile)
mock_rename.assert_called_with(newfile, entry)
mock_install.assert_called_with(ptool, entry)
reset()
mock_install.return_value = True
self.assertFalse(ptool.install(entry))
mock_exists.assert_called_with("/")
mock_makedirs.assert_called_with(entry, path="/")
mock_write.assert_called_with(entry)
mock_set_perms.assert_called_with(entry, path=newfile)
mock_rename.assert_called_with(newfile, entry)
mock_install.assert_called_with(ptool, entry)
reset()
mock_set_perms.return_value = True
self.assertTrue(ptool.install(entry))
mock_exists.assert_called_with("/")
mock_makedirs.assert_called_with(entry, path="/")
mock_write.assert_called_with(entry)
mock_set_perms.assert_called_with(entry, path=newfile)
mock_rename.assert_called_with(newfile, entry)
mock_install.assert_called_with(ptool, entry)
reset()
mock_exists.return_value = True
self.assertTrue(ptool.install(entry))
mock_exists.assert_called_with("/")
self.assertFalse(mock_makedirs.called)
mock_write.assert_called_with(entry)
mock_set_perms.assert_called_with(entry, path=newfile)
mock_rename.assert_called_with(newfile, entry)
mock_install.assert_called_with(ptool, entry)
def test_diff(self):
ptool = get_file_object()
content1 = "line1\nline2"
content2 = "line3"
rv = ["line1", "line2", "line3"]
func = Mock()
func.return_value = rv
self.assertItemsEqual(ptool._diff(content1, content2, func), rv)
func.assert_called_with(["line1", "line2"], ["line3"])
func.reset_mock()
def slow_diff(content1, content2):
for i in range(1, 10):
time.sleep(5)
yield "line%s" % i
func.side_effect = slow_diff
self.assertFalse(ptool._diff(content1, content2, func), rv)
func.assert_called_with(["line1", "line2"], ["line3"])
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