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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 FakeStatResult(object):
def __init__(self, *args, **kwargs):
for name, value in kwargs.iteritems():
setattr(self, name, value)
class FakeSha1(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
class FakeReadlink(object):
def __init__(self, parent):
self.parent = parent
def __call__(self, filename):
if stat.S_ISLNK(self.parent.st.st_mode):
self.target = 'symlink'
else:
self.target = ''
return self.target
class FilesystemObjectTests(unittest.TestCase):
def setUp(self):
self.st = FakeStatResult(st_mtime=1262307723,
st_mode=stat.S_IFREG | 0644,
st_ino=12765,
st_dev=42,
st_nlink=2,
st_size=1,
st_uid=0,
st_gid=0)
self.nn = summainlib.NumberNormalizer()
def new(self, name, mode=None):
if mode is not None:
self.st.st_mode = mode
return summainlib.FilesystemObject(name, self.nn,
stat_result=self.st,
sha1=FakeSha1(),
open_file=FakeOpenFile(),
readlink=FakeReadlink(self))
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 +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_sha1_correctly_for_regular_file(self):
self.assertEqual(self.new('foo')['Sha-1'], 'abc')
def test_formats_sha1_correctly_for_special_file(self):
self.st.st_mode = stat.S_IFDIR | 0755
self.assertEqual(self.new('foo')['Sha-1'], '')
def test_formats_target_correctly_for_symlink(self):
self.st.st_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_does_not_output_size_for_directory(self):
fso = self.new('foo', mode=stat.S_IFDIR | 0777)
output = fso.format()
self.assert_('Size:' not in output)
def test_relative_path_returns_path_if_not_starting_with_root(self):
fso = self.new('/foo/bar')
self.assertEqual(fso.relative_path('/yo'), '/foo/bar')
def test_relative_path_returns_partial_path_if_starting_with_root(self):
fso = self.new('/foo/bar')
self.assertEqual(fso.relative_path('/foo'), 'bar')
def test_relative_path_returns_dot_if_same_as_root_and_dir(self):
fso = self.new('/foo/bar', mode=stat.S_IFDIR)
self.assertEqual(fso.relative_path('/foo/bar'), '.')
def test_relative_path_returns_path_if_same_as_root_and_not_dir(self):
fso = self.new('/foo/bar', mode=stat.S_IFREG)
self.assertEqual(fso.relative_path('/foo/bar'), '/foo/bar')
def test_relative_path_returns_path_if_root_is_slashless_prefix(self):
fso = self.new('/foobar', mode=stat.S_IFREG)
self.assertEqual(fso.relative_path('/foo'), '/foobar')
def test_relative_path_returns_partial_path_if_root_ends_in_slash(self):
fso = self.new('/foo/bar', mode=stat.S_IFREG)
self.assertEqual(fso.relative_path('/foo/'), 'bar')
class FilesystemObjectNormalizedNumbersTests(unittest.TestCase):
def setUp(self):
self.ino = 0
self.dev = 0
self.nn = summainlib.NumberNormalizer()
def reset(self):
self.dev += 1
self.nn.reset()
def new(self, name):
st = FakeStatResult(st_ino=self.ino, st_dev=self.dev, st_mtime=0,
st_mode=stat.S_IFREG|0, st_nlink=1, st_size=0,
st_uid=0, st_gid=0)
self.ino += 1
return summainlib.FilesystemObject(name, self.nn, stat_result=st,
sha1=FakeSha1(),
open_file=FakeOpenFile(),
readlink=FakeReadlink(self))
def test_inode_numbers_are_repeatable(self):
a1 = self.new('foo')
a2 = self.new('bar')
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])
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