Synnefo » Pithos

        r = self.client.retrieve_object_hashmap(self.container,'large-object')

        hashes = r['hashes']

        block_size = int(r['block_size'])

        block_hash = r['block_hash']

        l = len(data)

        block_num = l/block_size if l/block_size != 0 else l/block_size + 1

        self.assertEqual(block_num, len(hashes))

            #perform update metadata

            more = {'α': 'β' * 256}

            status = self.client.update_object_metadata(self.containers[0],

                                                        self.obj[0]['name'],

                                                        **more)[0]

            #assert request accepted

            self.assertEqual(status, 202)

            #assert old metadata are still there

            headers = self.client.retrieve_object_metadata(self.containers[0],

                                                           self.obj[0]['name'],

                                                           restricted=True)

            #assert new metadata have been updated

            for k,v in more.items():

                self.assertTrue(k in headers.keys())

                self.assertTrue(headers[k], v)

            #out of limits

            more = {'α': 'β' * 257}

            self.assert_raises_fault(400, self.client.update_object_metadata,

                                                        self.containers[0],

                                                        self.obj[0]['name'],

                                                        **more)