def test_write_transfer(self):
checksum = self.checksum()
test_data = ('1234' * 1024)[:-10]
size = len(test_data)
meta_chunk = self.meta_chunk()
nb = len(meta_chunk)
resps = [201] * nb
source = StringIO(test_data)
put_reqs = defaultdict(lambda: {'parts': []})
def cb_body(conn_id, part):
put_reqs[conn_id]['parts'].append(part)
with set_http_connect(*resps, cb_body=cb_body):
handler = ReplicatedChunkWriteHandler(
self.sysmeta, meta_chunk, checksum, self.storage_method)
bytes_transferred, checksum, chunks = handler.stream(source, size)
final_checksum = self.checksum(test_data).hexdigest()
self.assertEqual(len(test_data), bytes_transferred)
self.assertEqual(final_checksum, checksum)
bodies = []
for conn_id, info in put_reqs.items():
body, trailers = decode_chunked_body(''.join(info['parts']))
# TODO check trailers?
bodies.append(body)
self.assertEqual(len(bodies), nb)
for body in bodies:
self.assertEqual(len(test_data), len(body))
self.assertEqual(self.checksum(body).hexdigest(), final_checksum)
def test_write_transfer(self):
checksum = self.checksum()
segment_size = self.storage_method.ec_segment_size
test_data = ('1234' * segment_size)[:-10]
size = len(test_data)
test_data_checksum = self.checksum(test_data).hexdigest()
nb = self.storage_method.ec_nb_data + self.storage_method.ec_nb_parity
resps = [201] * nb
source = StringIO(test_data)
put_reqs = defaultdict(lambda: {'parts': []})
def cb_body(conn_id, part):
put_reqs[conn_id]['parts'].append(part)
# TODO test headers
with set_http_connect(*resps, cb_body=cb_body):
handler = ECChunkWriteHandler(self.sysmeta, self.meta_chunk(),
checksum, self.storage_method)
bytes_transferred, checksum, chunks = handler.stream(source, size)
self.assertEqual(len(test_data), bytes_transferred)
self.assertEqual(checksum, self.checksum(test_data).hexdigest())
fragments = []
for conn_id, info in put_reqs.items():
body, trailers = decode_chunked_body(''.join(info['parts']))
fragments.append(body)
metachunk_size = int(trailers[chunk_headers['metachunk_size']])
metachunk_hash = trailers[chunk_headers['metachunk_hash']]
self.assertEqual(metachunk_size, size)
self.assertEqual(metachunk_hash, test_data_checksum)
self.assertEqual(len(fragments), nb)
fragment_size = self.storage_method.ec_fragment_size
# retrieve segments
frags = []
for frag in fragments:
data = [frag[x:x + fragment_size]
for x in range(0, len(frag), fragment_size)]
frags.append(data)
fragments = zip(*frags)
final_data = ''
for frag in fragments:
self.assertEqual(len(frag), nb)
frag = list(frag)
final_data += self.storage_method.driver.decode(frag)
self.assertEqual(len(test_data), len(final_data))
self.assertEqual(
test_data_checksum, self.checksum(final_data).hexdigest())
