def test_parts(self):
"""Tests parent, ancestor, name, stem, ext."""
relative = PosixPath(b'directory/users/r\xE9mi/file.txt')
absolute = PosixPath('/some/other/thing.h\xE9h\xE9')
self.assertEqual(relative.parent.path,
b'directory/users/r\xE9mi')
self.assertEqual(absolute.parent.path,
b'/some/other')
self.assertEqual(absolute.ancestor(10).path,
b'/')
self.assertEqual(relative.name, b'file.txt')
self.assertEqual(absolute.name, b'thing.h\xC3\xA9h\xC3\xA9')
self.assertEqual(absolute.unicodename, 'thing.h\xE9h\xE9')
self.assertEqual(absolute.stem, b'thing')
self.assertEqual(absolute.ext, b'.h\xC3\xA9h\xC3\xA9')
self.assertEqual(relative._components(),
[b'directory', b'users', b'r\xE9mi', b'file.txt'])
self.assertEqual(absolute._components(),
[b'/', b'some',
b'other', b'thing.h\xC3\xA9h\xC3\xA9'])
