def test_symlink_readlink_islink(self):
p = self.path
## create a mock file
src = self._create_file(u'testfile', 'bar')
## create a symlink to it
src.symlink(p.child(u'testlink'))
## assert that the link can be read
## TODO: readlink seems to return a string instead of a path object
## that's probably a bug?
eq(str(p.child(u'testlink').readlink()), str(p.child(u'testfile')))
## assert that the file cannot be read as a link
assert_raises(OSError, p.child(u'testfile').readlink)
## assert that islink works
assert(p.child(u'testfile').islink() is False)
assert(p.child(u'testlink').islink() is True)
## assert that the link can be opened as a file,
## and that we'll get the file content by doing so
with p.child(u'testlink').open(u'r') as f:
eq(f.read(3), u'bar')
def test_rename_bad_string():
tmp = maketemp()
parent = filesystem.path(tmp)
old = parent.join(u'foo')
assert_raises(
filesystem.CrossDeviceRenameError,
old.rename, 'foo')
eq(filesystem.root, filesystem.root.parent())
def test_child_bad_slash(self):
e = assert_raises(filesystem.InsecurePathError, self.path.child, u'ev/il')
eq(
str(e),
'child name contains directory separator',
)
## Exception should be raised even if it's not evil (?)
e = assert_raises(filesystem.InsecurePathError, self.path.child, u'notsoevil/')
def test_not_directory():
temp_dir = maketemp()
# prepare a file on which to call the iterator
f = open(os.path.join(temp_dir, "some_file"), "w")
f.close()
# check reaction on getting the iterator
p = filesystem.copyonwrite.path(filesystem.path(temp_dir).join("some_file"))
# note: the exception is only raised after calling ``next``
assert_raises(OSError, list, p)
def test_lstat(self):
link = self.path.child(u'stat_test_link')
self.path.child(u'doesnexist').symlink(link)
lstats = link.lstat()
assert(stat.S_ISLNK(lstats.st_mode))
## assert a "sane" size (is this sane?)
assert(lstats.st_size>0 and lstats.st_size<1024)
self._verify_stats(lstats)
assert_raises(OSError, link.stat)
def test_chown_lchown_raises_error(self):
## create a file and a link
file = self._create_file(u'chown_test_file1')
link = self.path.child('chown_test_link1')
file.symlink(link)
if not os.geteuid():
raise nose.SkipTest("this test can not be run as root")
## should give permission denied
assert_raises(OSError, file.chown, 0)
assert_raises(OSError, file.lchown, 0)
def test_open_for_writing():
tmp = maketemp()
foo = os.path.join(tmp, u"foo")
# write test content
p = filesystem.copyonwrite.path(filesystem.path(foo))
assert_raises(IOError, open, foo)
with p.open("w") as f:
f.write("bar")
# since this is the copy_on_write, the write should not be written
# to the actual file system
assert_raises(IOError, open, foo)
def test_join_with_leading_slash():
"""
join should raise an exception if one tries to escape from the
path by giving an absolute path
"""
e = assert_raises(filesystem.InsecurePathError, filesystem.path(u'/tmp').join, u'/usr')
eq(str(e), 'path name to join must be relative')
def test_mkdir_bad_exists():
tmp = maketemp()
p = filesystem.copyonwrite.path(filesystem.path(tmp)).child("foo")
with p.open("w") as f:
f.write("bar")
e = assert_raises(OSError, p.mkdir)
eq(e.errno, errno.EEXIST)
def test_rmdir_bad_notdir(self):
p = self._create_file()
e = assert_raises(
OSError,
p.rmdir,
)
eq(e.errno, errno.ENOTDIR)
def test_rmdir_bad_notfound(self):
p = self.path.child(u'foo')
e = assert_raises(
OSError,
p.rmdir,
)
eq(e.errno, errno.ENOENT)
def test_remove_notfound(self):
p = self.path.child(u'foo')
e = assert_raises(
OSError,
p.remove,
)
eq(e.errno, errno.ENOENT)
def test_unlink_notfound(self):
p = self.path.child(u'foo')
e = assert_raises(
OSError,
p.unlink,
)
eq(e.errno, errno.ENOENT)
def test_child_bad_dotdot(self):
e = assert_raises(filesystem.InsecurePathError, self.path.child, u'..')
eq(
str(e),
'child trying to climb out of directory',
)
## of course, those should also raise errors
assert_raises(filesystem.InsecurePathError, self.path.child, u'../')
assert_raises(filesystem.InsecurePathError, self.path.child, u'..//')
assert_raises(filesystem.InsecurePathError, self.path.child, u'..//..')
def test_mkdir(self):
eq(list(self.path), [])
self.path.child(u'foo').mkdir()
eq(list(self.path), [self.path.child(u'foo')])
# create a new object, just in case .mkdir() stored something
# in p
eq(self.path.child(u'foo').isdir(), True)
## if the dir already exists, an error should be raised
e = assert_raises(OSError, self.path.child(u'foo').mkdir)
eq(e.errno, errno.EEXIST)
## but one can ask for this error not to be raised
p = self.path.child(u'foo').mkdir(may_exist=True)
## mkdir will raise errors if the parent dirs doesnu't exist
e = assert_raises(
OSError, self.path.join(u'newdir/subdir1/subdir2').mkdir)
eq(e.errno, errno.ENOENT)
## but one can ask for this error not to be raised
self.path.join(u'newdir/subdir1/subdir2').mkdir(create_parents=True)
eq(self.path.join(u'newdir/subdir1/subdir2').isdir(), True)
def test_size_of_nonexisting_item(self):
p = self.path.child(u"non-existent-item")
e = assert_raises(OSError, p.size)
eq(e.errno, errno.ENOENT)
def test_readlink_on_regular_file():
source_name, target_name = set_up(absolute=False)
p = filesystem.path(target_name)
assert_raises(OSError, p.readlink)
def test_stat_missing_file(self):
p = self.path.child('inexistent_file')
if hasattr(p, 'stat'):
e = assert_raises(OSError, p.stat)
eq(e.errno, errno.ENOENT)
assert(p.exists() is False)
def test_readlink_on_nonexistent_file():
p = filesystem.path(u"non-existent-file")
assert_raises(OSError, p.readlink)
def test_join_wrong_parameters():
"""join should raise an error if it doesn't get the right parameters"""
assert_raises(TypeError, filesystem.root.join)
assert_raises(AttributeError, filesystem.root.join, 32)
def test_mkdir_bad_exists_file(self):
with self.path.child(u'foo').open('w') as f:
f.write('FOO')
e = assert_raises(OSError, self.path.child(u'foo').mkdir)
eq(e.errno, errno.EEXIST)
def test_open_nonexisting():
p = filesystem.copyonwrite.path(filesystem.path(u"/does-not-exist"))
e = assert_raises(IOError, p.open)
eq(e.errno, errno.ENOENT)
def test_open_nonexisting():
p = filesystem.path(u'/does-not-exist')
e = assert_raises(IOError, p.open)
eq(e.errno, errno.ENOENT)