def METHOD_NAME(self):
    # test zip
    self.assertTrue(is_archive(self.zip))
    # test tar
    self.assertTrue(is_archive(self.tar))
    # test tar.gz
    self.assertTrue(is_archive(self.targz))
    # test rar
    self.assertFalse(is_archive(self.rar))
    # test dir
    self.assertFalse(is_archive(self.dir))