def test_getstream_raises_on_bad_URI(self):
"""DirectoryFileSystem.getstream() raises on bad URI"""
fs = DirectoryFileSystem(dir_pkg_path)
with self.assertRaises(LookupError):
fs.getstream("!blat/rhumba.xml")
def test_getstream_correct_length(self):
"""StringIO instance for specified package item is returned"""
fs = DirectoryFileSystem(dir_pkg_path)
stream = fs.getstream("/[Content_Types].xml")
elm = etree.parse(stream).getroot()
self.assertLength(elm, 24)
