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# Copyright (C) 2010, 2011 Lars Wirzenius
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
import stat
import unittest
import summainlib
class FakeChecksummer(object):
def update(self, data):
pass
def hexdigest(self):
return 'abc'
class FakeOpenFile(object):
def __call__(self, filename):
self.data = 'some data'
return self
def read(self, amount):
data = self.data[:amount]
self.data = self.data[len(data):]
return data
def close(self):
pass
def __enter__(self):
return self
def __exit__(self, a, b, c):
pass
class FakeReadlink(object):
def __init__(self, parent):
self.parent = parent
def __call__(self, filename):
if stat.S_ISLNK(self.parent.st[summainlib.RESULT_MODE]):
self.target = 'symlink'
else:
self.target = ''
return self.target
class FilesystemObjectTests(unittest.TestCase):
def setUp(self):
self.st = {
summainlib.RESULT_MTIME_SEC: 1262307723,
summainlib.RESULT_MTIME_NSEC: 123456789,
summainlib.RESULT_MODE: stat.S_IFREG | 0644,
summainlib.RESULT_INO: 12765,
summainlib.RESULT_DEV: 42,
summainlib.RESULT_NLINK: 2,
summainlib.RESULT_SIZE: 1,
summainlib.RESULT_UID: 0,
summainlib.RESULT_GID: 0
}
self.nn = summainlib.NumberNormalizer()
self.pn = summainlib.SamePath()
self.exclude = []
def new(self, name, mode=None):
if mode is not None:
self.st[summainlib.RESULT_MODE] = mode
return summainlib.FilesystemObject(
name,
self.nn,
self.pn,
self.exclude,
stat_result=self.st,
sha1=FakeChecksummer(),
sha224=FakeChecksummer(),
sha256=FakeChecksummer(),
sha384=FakeChecksummer(),
sha512=FakeChecksummer(),
md5=FakeChecksummer(),
open_file=FakeOpenFile(),
readlink=FakeReadlink(self),
xattrs={})
def test_raises_keyerror_for_unknown_field(self):
self.assertRaises(KeyError, self.new('foo').__getitem__,
'UNKNOWNHASH')
def test_formats_simple_name_identically(self):
self.assertEqual(self.new('foo')['Name'], 'foo')
def test_formats_space_correctly(self):
self.assertEqual(self.new('foo bar')['Name'], 'foo%20bar')
def test_formats_mtime_correctly(self):
self.assertEqual(self.new('foo')['Mtime'],
'2010-01-01 01:02:03.123456789 +0000')
def test_formats_mode_for_regular_file_correctly(self):
self.assertEqual(self.new('foo')['Mode'], '100644')
def test_formats_inode_number_correctly(self):
# Note: normalization makes the result be 1.
self.assertEqual(self.new('foo')['Ino'], '1')
def test_formats_device_number_correctly(self):
# Note: normalization makes the result be 1.
self.assertEqual(self.new('foo')['Dev'], '1')
def test_formats_link_count_correctly(self):
self.assertEqual(self.new('foo')['Nlink'], '2')
def test_formats_size_correctly(self):
self.assertEqual(self.new('foo')['Size'], '1')
def test_formats_uid_correctly(self):
self.assertEqual(self.new('foo')['Uid'], '0')
def test_formats_username_correctly(self):
self.assertEqual(self.new('foo')['Username'], 'root')
def test_formats_gid_correctly(self):
self.assertEqual(self.new('foo')['Gid'], '0')
def test_formats_group_correctly(self):
self.assertEqual(self.new('foo')['Group'], 'root')
def test_formats_checksums_correctly_for_regular_file(self):
self.assertEqual(self.new('foo')['MD5'], 'abc')
self.assertEqual(self.new('foo')['SHA1'], 'abc')
self.assertEqual(self.new('foo')['SHA224'], 'abc')
self.assertEqual(self.new('foo')['SHA256'], 'abc')
self.assertEqual(self.new('foo')['SHA384'], 'abc')
self.assertEqual(self.new('foo')['SHA512'], 'abc')
def test_formats_checksums_correctly_for_special_file(self):
self.st[summainlib.RESULT_MODE] = stat.S_IFDIR | 0755
self.assertEqual(self.new('foo')['MD5'], '')
self.assertEqual(self.new('foo')['SHA1'], '')
self.assertEqual(self.new('foo')['SHA224'], '')
self.assertEqual(self.new('foo')['SHA256'], '')
self.assertEqual(self.new('foo')['SHA384'], '')
self.assertEqual(self.new('foo')['SHA512'], '')
def test_formats_target_correctly_for_symlink(self):
self.st[summainlib.RESULT_MODE] = stat.S_IFLNK | 0777
self.assertEqual(self.new('foo')['Target'], 'symlink')
def test_formats_target_correctly_for_regular_file(self):
self.assertEqual(self.new('foo')['Target'], '')
def test_excludes_unwanted_fields_from_output(self):
self.exclude = ['mtime']
fso = self.new('/foo/bar', mode=stat.S_IFREG)
self.assertEqual(fso['Mtime'], '')
class FilesystemObjectNormalizedNumbersTests(unittest.TestCase):
def setUp(self):
self.ino = 0
self.dev = 0
self.nn = summainlib.NumberNormalizer()
self.pn = summainlib.SamePath()
self.exclude = []
self.checksums = ['SHA1']
def reset(self):
self.dev += 1
self.nn.reset()
def new(self, name):
st = {
summainlib.RESULT_INO: self.ino,
summainlib.RESULT_DEV: self.dev,
summainlib.RESULT_MTIME_SEC: 0,
summainlib.RESULT_MTIME_NSEC: 0,
summainlib.RESULT_MODE: stat.S_IFREG | 0,
summainlib.RESULT_NLINK: 1,
summainlib.RESULT_SIZE: 0,
summainlib.RESULT_UID: 0,
summainlib.RESULT_GID: 0
}
self.ino += 1
return summainlib.FilesystemObject(
name,
self.nn,
self.pn,
self.exclude,
stat_result=st,
sha1=FakeChecksummer(),
sha224=FakeChecksummer(),
sha256=FakeChecksummer(),
sha384=FakeChecksummer(),
sha512=FakeChecksummer(),
md5=FakeChecksummer(),
open_file=FakeOpenFile(),
readlink=FakeReadlink(self),
xattrs={})
def test_inode_numbers_are_repeatable(self):
a1 = self.new('foo')
a2 = self.new('bar')
# Counter lazy evaluation.
a1['Dev']
a1['Ino']
a2['Dev']
a2['Ino']
self.reset()
b1 = self.new('foo')
b2 = self.new('bar')
self.assertEqual(a1['Dev'], b1['Dev'])
self.assertEqual(a1['Ino'], b1['Ino'])
self.assertEqual(a2['Dev'], b2['Dev'])
self.assertEqual(a2['Ino'], b2['Ino'])
class NumberNormalizerTests(unittest.TestCase):
def setUp(self):
self.nn = summainlib.NumberNormalizer()
def test_returns_1_2_3_regardless_of_input_numbers(self):
self.assertEqual([self.nn.get_ino(i) for i in [10, 11, 12]],
[1, 2, 3])
def test_returns_1_1_1_when_input_number_is_repeated(self):
self.assertEqual([self.nn.get_ino(i) for i in [10, 10, 10]],
[1, 1, 1])
class PathNormalizerTests(unittest.TestCase):
def setUp(self):
self.pn = summainlib.PathNormalizer('secret')
def test_returns_different_paths_for_different_inputs(self):
self.assertNotEqual(self.pn.normalize('/foo/bar'),
self.pn.normalize('/ping/pong'))
def test_returns_same_paths_for_same_input(self):
self.assertEqual(self.pn.normalize('/foo/bar'),
self.pn.normalize('/foo/bar'))
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