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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option) any
# later version.
#
# logilab-common 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
"""unit tests for logilab.common.fileutils"""
import doctest
import io
import sys
import os
import tempfile
import shutil
from stat import S_IWRITE
from os.path import join
from logilab.common.testlib import TestCase, unittest_main
from logilab.common.fileutils import (
first_level_directory,
is_binary,
write_open_mode,
lines,
export,
exists,
ProtectedFile,
)
DATA_DIR = join(os.path.abspath(os.path.dirname(__file__)), "data")
NEWLINES_TXT = join(DATA_DIR, "newlines.txt")
class FirstleveldirectoryTC(TestCase):
def test_known_values_first_level_directory(self):
"""return the first level directory of a path"""
self.assertEqual(first_level_directory("truc/bidule/chouette"), "truc", None)
self.assertEqual(first_level_directory("/truc/bidule/chouette"), "/", None)
class IsBinaryTC(TestCase):
def test(self):
self.assertEqual(is_binary("toto.txt"), 0)
# self.assertEqual(is_binary('toto.xml'), 0)
self.assertEqual(is_binary("toto.bin"), 1)
self.assertEqual(is_binary("toto.sxi"), 1)
self.assertEqual(is_binary("toto.whatever"), 1)
class GetModeTC(TestCase):
def test(self):
self.assertEqual(write_open_mode("toto.txt"), "w")
# self.assertEqual(write_open_mode('toto.xml'), 'w')
self.assertEqual(write_open_mode("toto.bin"), "wb")
self.assertEqual(write_open_mode("toto.sxi"), "wb")
class NormReadTC(TestCase):
def test_known_values_norm_read(self):
with io.open(NEWLINES_TXT) as f:
data = f.read()
self.assertEqual(data.strip(), "\n".join(["# mixed new lines", "1", "2", "3"]))
class LinesTC(TestCase):
def test_known_values_lines(self):
self.assertEqual(lines(NEWLINES_TXT), ["# mixed new lines", "1", "2", "3"])
def test_known_values_lines_comment(self):
self.assertEqual(lines(NEWLINES_TXT, comments="#"), ["1", "2", "3"])
class ExportTC(TestCase):
def setUp(self):
self.tempdir = tempfile.mktemp()
os.mkdir(self.tempdir)
def test(self):
export(DATA_DIR, self.tempdir, verbose=0)
self.assertTrue(exists(join(self.tempdir, "__init__.py")))
self.assertTrue(exists(join(self.tempdir, "sub")))
self.assertTrue(not exists(join(self.tempdir, "__init__.pyc")))
self.assertTrue(not exists(join(self.tempdir, "CVS")))
def tearDown(self):
shutil.rmtree(self.tempdir)
class ProtectedFileTC(TestCase):
def setUp(self):
self.rpath = join(DATA_DIR, "write_protected_file.txt")
self.rwpath = join(DATA_DIR, "normal_file.txt")
# Make sure rpath is not writable !
os.chmod(self.rpath, 33060)
# Make sure rwpath is writable !
os.chmod(self.rwpath, 33188)
def test_mode_change(self):
"""tests that mode is changed when needed"""
# test on non-writable file
# self.assertTrue(not os.access(self.rpath, os.W_OK))
self.assertTrue(not os.stat(self.rpath).st_mode & S_IWRITE)
# for some reason if you remove "wp_file =" the test fails
wp_file = ProtectedFile(self.rpath, "w") # noqa
self.assertTrue(os.stat(self.rpath).st_mode & S_IWRITE)
self.assertTrue(os.access(self.rpath, os.W_OK))
# test on writable-file
self.assertTrue(os.stat(self.rwpath).st_mode & S_IWRITE)
self.assertTrue(os.access(self.rwpath, os.W_OK))
ProtectedFile(self.rwpath, "w")
self.assertTrue(os.stat(self.rwpath).st_mode & S_IWRITE)
self.assertTrue(os.access(self.rwpath, os.W_OK))
def test_restore_on_close(self):
"""tests original mode is restored on close"""
# test on non-writable file
# self.assertTrue(not os.access(self.rpath, os.W_OK))
self.assertTrue(not os.stat(self.rpath).st_mode & S_IWRITE)
ProtectedFile(self.rpath, "w").close()
# self.assertTrue(not os.access(self.rpath, os.W_OK))
self.assertTrue(not os.stat(self.rpath).st_mode & S_IWRITE)
# test on writable-file
self.assertTrue(os.access(self.rwpath, os.W_OK))
self.assertTrue(os.stat(self.rwpath).st_mode & S_IWRITE)
ProtectedFile(self.rwpath, "w").close()
self.assertTrue(os.access(self.rwpath, os.W_OK))
self.assertTrue(os.stat(self.rwpath).st_mode & S_IWRITE)
def test_mode_change_on_append(self):
"""tests that mode is changed when file is opened in 'a' mode"""
# self.assertTrue(not os.access(self.rpath, os.W_OK))
self.assertTrue(not os.stat(self.rpath).st_mode & S_IWRITE)
wp_file = ProtectedFile(self.rpath, "a")
self.assertTrue(os.access(self.rpath, os.W_OK))
self.assertTrue(os.stat(self.rpath).st_mode & S_IWRITE)
wp_file.close()
# self.assertTrue(not os.access(self.rpath, os.W_OK))
self.assertTrue(not os.stat(self.rpath).st_mode & S_IWRITE)
if sys.version_info < (3, 0):
def load_tests(loader, tests, ignore):
from logilab.common import fileutils
tests.addTests(doctest.DocTestSuite(fileutils))
return tests
if __name__ == "__main__":
unittest_main()
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