class BlobComponent(Component):
component_name = BLOB_COMPONENT
depends_on = [DATABASE_COMPONENT, DHT_COMPONENT]
def __init__(self, component_manager):
Component.__init__(self, component_manager)
self.blob_manager = None
@property
def component(self):
return self.blob_manager
def start(self):
storage = self.component_manager.get_component(DATABASE_COMPONENT)
dht_node = self.component_manager.get_component(DHT_COMPONENT)
self.blob_manager = DiskBlobManager(CS.get_blobfiles_dir(), storage,
dht_node._dataStore)
return self.blob_manager.setup()
def stop(self):
return self.blob_manager.stop()
@defer.inlineCallbacks
def get_status(self):
count = 0
if self.blob_manager:
count = yield self.blob_manager.storage.count_finished_blobs()
defer.returnValue({'finished_blobs': count})
def download_temp_blob_from_peer(self, peer, timeout, blob_hash):
tmp_dir = yield threads.deferToThread(tempfile.mkdtemp)
tmp_blob_manager = DiskBlobManager(tmp_dir, tmp_dir)
try:
result = yield self.download_blob_from_peer(
peer, timeout, blob_hash, tmp_blob_manager)
finally:
yield tmp_blob_manager.stop()
yield threads.deferToThread(shutil.rmtree, tmp_dir)
defer.returnValue(result)
class TestTransfer(unittest.TestCase):
@defer.inlineCallbacks
def setUp(self):
mocks.mock_conf_settings(self)
self.db_dir, self.blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.peer_finder = FakePeerFinder(5553, self.peer_manager, 1)
self.rate_limiter = RateLimiter()
self.prm = OnlyFreePaymentsManager()
self.storage = SQLiteStorage(self.db_dir)
self.blob_manager = DiskBlobManager(self.blob_dir, self.storage)
self.sd_identifier = StreamDescriptorIdentifier()
self.lbry_file_manager = EncryptedFileManager(
self.peer_finder, self.rate_limiter, self.blob_manager,
self.wallet, self.prm, self.storage, self.sd_identifier)
self.uploader = LbryUploader(5209343)
self.sd_hash = yield self.uploader.setup()
yield self.storage.setup()
yield self.blob_manager.setup()
yield self.lbry_file_manager.setup()
yield add_lbry_file_to_sd_identifier(self.sd_identifier)
@defer.inlineCallbacks
def tearDown(self):
yield self.uploader.stop()
lbry_files = self.lbry_file_manager.lbry_files
for lbry_file in lbry_files:
yield self.lbry_file_manager.delete_lbry_file(lbry_file)
yield self.lbry_file_manager.stop()
yield self.blob_manager.stop()
yield self.storage.stop()
rm_db_and_blob_dir(self.db_dir, self.blob_dir)
if os.path.exists("test_file"):
os.remove("test_file")
@defer.inlineCallbacks
def test_lbry_transfer(self):
sd_blob = yield download_sd_blob(self.sd_hash, self.blob_manager,
self.peer_finder, self.rate_limiter,
self.prm, self.wallet)
metadata = yield self.sd_identifier.get_metadata_for_sd_blob(sd_blob)
downloader = yield metadata.factories[0].make_downloader(
metadata,
self.prm.min_blob_data_payment_rate,
self.prm,
self.db_dir,
download_mirrors=None)
yield downloader.start()
with open(os.path.join(self.db_dir, 'test_file'), 'rb') as f:
hashsum = md5()
hashsum.update(f.read())
self.assertEqual(hashsum.hexdigest(),
"4ca2aafb4101c1e42235aad24fbb83be")
def download_it(peer, timeout, blob_hash):
tmp_dir = yield threads.deferToThread(tempfile.mkdtemp)
storage = SQLiteStorage(tmp_dir, reactor)
yield storage.setup()
tmp_blob_manager = DiskBlobManager(tmp_dir, storage)
config = {'auto_connect': True}
if conf.settings['lbryum_wallet_dir']:
config['lbryum_wallet_dir'] = conf.settings['lbryum_wallet_dir']
config['use_keyring'] = False
config['blockchain_name'] = conf.settings['blockchain_name']
config['lbryum_servers'] = []
wallet = LbryWalletManager.from_lbrynet_config(config, storage)
downloader = SinglePeerDownloader()
downloader.setup(wallet)
try:
blob_downloaded = yield downloader.download_blob_from_peer(
peer, timeout, blob_hash, tmp_blob_manager)
if blob_downloaded:
log.info("SUCCESS!")
blob = yield tmp_blob_manager.get_blob(blob_hash)
pprint(blob)
if not blob.verified:
log.error("except that its not verified....")
else:
reader = BlobStreamDescriptorReader(blob)
info = None
for x in range(0, 3):
try:
info = yield reader.get_info()
except ValueError:
pass
if info:
break
# there's some kind of race condition where it sometimes doesnt write the blob to disk in time
time.sleep(0.1)
if info is not None:
pprint(info)
for content_blob in info['blobs']:
if 'blob_hash' in content_blob:
yield download_it(peer, timeout,
content_blob['blob_hash'])
else:
log.error("Download failed")
finally:
yield tmp_blob_manager.stop()
yield threads.deferToThread(shutil.rmtree, tmp_dir)
defer.returnValue(True)
def download_it(peer, timeout, blob_hash):
tmp_dir = yield threads.deferToThread(tempfile.mkdtemp)
announcer = DummyHashAnnouncer()
tmp_blob_manager = DiskBlobManager(announcer, tmp_dir, tmp_dir)
config = {'auto_connect': True}
if conf.settings['lbryum_wallet_dir']:
config['lbryum_path'] = conf.settings['lbryum_wallet_dir']
storage = Wallet.InMemoryStorage()
wallet = Wallet.LBRYumWallet(storage, config)
downloader = SinglePeerDownloader()
downloader.setup(wallet)
try:
blob_downloaded = yield downloader.download_blob_from_peer(
peer, timeout, blob_hash, tmp_blob_manager)
if blob_downloaded:
log.info("SUCCESS!")
blob = yield tmp_blob_manager.get_blob(blob_hash)
pprint(blob)
if not blob.verified:
log.error("except that its not verified....")
else:
reader = BlobStreamDescriptorReader(blob)
info = None
for x in range(0, 3):
try:
info = yield reader.get_info()
except ValueError:
pass
if info:
break
time.sleep(
0.1
) # there's some kind of race condition where it sometimes doesnt write the blob to disk in time
if info is not None:
pprint(info)
for content_blob in info['blobs']:
if 'blob_hash' in content_blob:
yield download_it(peer, timeout,
content_blob['blob_hash'])
else:
log.error("Download failed")
finally:
yield tmp_blob_manager.stop()
yield threads.deferToThread(shutil.rmtree, tmp_dir)
defer.returnValue(True)
class BlobManagerTest(unittest.TestCase):
@defer.inlineCallbacks
def setUp(self):
conf.initialize_settings(False)
self.blob_dir = tempfile.mkdtemp()
self.db_dir = tempfile.mkdtemp()
self.bm = DiskBlobManager(self.blob_dir, SQLiteStorage(self.db_dir))
self.peer = Peer('somehost', 22)
yield self.bm.storage.setup()
@defer.inlineCallbacks
def tearDown(self):
yield self.bm.stop()
yield self.bm.storage.stop()
shutil.rmtree(self.blob_dir)
shutil.rmtree(self.db_dir)
@defer.inlineCallbacks
def _create_and_add_blob(self, should_announce=False):
# create and add blob to blob manager
data_len = random.randint(1, 1000)
data = b''.join(
random.choice(string.ascii_lowercase).encode()
for _ in range(data_len))
hashobj = get_lbry_hash_obj()
hashobj.update(data)
out = hashobj.hexdigest()
blob_hash = out
# create new blob
yield self.bm.setup()
blob = yield self.bm.get_blob(blob_hash, len(data))
writer, finished_d = yield blob.open_for_writing(self.peer)
yield writer.write(data)
yield self.bm.blob_completed(blob, should_announce)
# check to see if blob is there
self.assertTrue(os.path.isfile(os.path.join(self.blob_dir, blob_hash)))
blobs = yield self.bm.get_all_verified_blobs()
self.assertTrue(blob_hash in blobs)
defer.returnValue(blob_hash)
@defer.inlineCallbacks
def test_create_blob(self):
blob_hashes = []
# create a bunch of blobs
for i in range(0, 10):
blob_hash = yield self._create_and_add_blob()
blob_hashes.append(blob_hash)
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(10, len(blobs))
@defer.inlineCallbacks
def test_delete_blob(self):
# create blob
blob_hash = yield self._create_and_add_blob()
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 1)
# delete blob
yield self.bm.delete_blobs([blob_hash])
self.assertFalse(os.path.isfile(os.path.join(self.blob_dir,
blob_hash)))
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 0)
blobs = yield self.bm.storage.get_all_blob_hashes()
self.assertEqual(len(blobs), 0)
self.assertFalse(blob_hash in self.bm.blobs)
# delete blob that was already deleted once
yield self.bm.delete_blobs([blob_hash])
# delete blob that does not exist, nothing will
# happen
blob_hash = random_lbry_hash()
yield self.bm.delete_blobs([blob_hash])
@defer.inlineCallbacks
def test_delete_open_blob(self):
# Test that a blob that is opened for writing will not be deleted
# create blobs
blob_hashes = []
for i in range(0, 10):
blob_hash = yield self._create_and_add_blob()
blob_hashes.append(blob_hash)
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 10)
# open the last blob
blob = yield self.bm.get_blob(blob_hashes[-1])
w, finished_d = yield blob.open_for_writing(self.peer)
# schedule a close, just to leave the reactor clean
finished_d.addBoth(lambda x: None)
self.addCleanup(w.close)
# delete the last blob and check if it still exists
yield self.bm.delete_blobs([blob_hash])
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 10)
self.assertTrue(blob_hashes[-1] in blobs)
self.assertTrue(
os.path.isfile(os.path.join(self.blob_dir, blob_hashes[-1])))
@defer.inlineCallbacks
def test_should_announce(self):
# create blob with should announce
blob_hash = yield self._create_and_add_blob(should_announce=True)
out = yield self.bm.get_should_announce(blob_hash)
self.assertTrue(out)
count = yield self.bm.count_should_announce_blobs()
self.assertEqual(1, count)
# set should announce to False
yield self.bm.set_should_announce(blob_hash, should_announce=False)
out = yield self.bm.get_should_announce(blob_hash)
self.assertFalse(out)
count = yield self.bm.count_should_announce_blobs()
self.assertEqual(0, count)
class BlobManagerTest(unittest.TestCase):
def setUp(self):
conf.initialize_settings()
self.blob_dir = tempfile.mkdtemp()
self.db_dir = tempfile.mkdtemp()
hash_announcer = DummyHashAnnouncer()
self.bm = DiskBlobManager(hash_announcer, self.blob_dir, self.db_dir)
self.peer = Peer('somehost', 22)
def tearDown(self):
self.bm.stop()
# BlobFile will try to delete itself in _close_writer
# thus when calling rmtree we may get a FileNotFoundError
# for the blob file
shutil.rmtree(self.blob_dir, ignore_errors=True)
shutil.rmtree(self.db_dir)
@defer.inlineCallbacks
def _create_and_add_blob(self):
# create and add blob to blob manager
data_len = random.randint(1, 1000)
data = ''.join(
random.choice(string.lowercase) for data_len in range(data_len))
hashobj = get_lbry_hash_obj()
hashobj.update(data)
out = hashobj.hexdigest()
blob_hash = out
# create new blob
yield self.bm.setup()
blob = yield self.bm.get_blob(blob_hash, len(data))
writer, finished_d = yield blob.open_for_writing(self.peer)
yield writer.write(data)
yield self.bm.blob_completed(blob)
yield self.bm.add_blob_to_upload_history(blob_hash, 'test', len(data))
# check to see if blob is there
self.assertTrue(os.path.isfile(os.path.join(self.blob_dir, blob_hash)))
blobs = yield self.bm.get_all_verified_blobs()
self.assertTrue(blob_hash in blobs)
defer.returnValue(blob_hash)
@defer.inlineCallbacks
def test_create_blob(self):
blob_hashes = []
# create a bunch of blobs
for i in range(0, 10):
blob_hash = yield self._create_and_add_blob()
blob_hashes.append(blob_hash)
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(10, len(blobs))
@defer.inlineCallbacks
def test_delete_blob(self):
# create blob
blob_hash = yield self._create_and_add_blob()
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 1)
# delete blob
yield self.bm.delete_blobs([blob_hash])
self.assertFalse(os.path.isfile(os.path.join(self.blob_dir,
blob_hash)))
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 0)
blobs = yield self.bm._get_all_blob_hashes()
self.assertEqual(len(blobs), 0)
# delete blob that does not exist, nothing will
# happen
blob_hash = random_lbry_hash()
out = yield self.bm.delete_blobs([blob_hash])
@defer.inlineCallbacks
def test_delete_open_blob(self):
# Test that a blob that is opened for writing will not be deleted
# create blobs
blob_hashes = []
for i in range(0, 10):
blob_hash = yield self._create_and_add_blob()
blob_hashes.append(blob_hash)
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 10)
# open the last blob
blob = yield self.bm.get_blob(blob_hashes[-1])
writer, finished_d = yield blob.open_for_writing(self.peer)
# delete the last blob and check if it still exists
out = yield self.bm.delete_blobs([blob_hash])
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 10)
self.assertTrue(blob_hashes[-1] in blobs)
self.assertTrue(
os.path.isfile(os.path.join(self.blob_dir, blob_hashes[-1])))
class CreateEncryptedFileTest(unittest.TestCase):
timeout = 5
def setUp(self):
mocks.mock_conf_settings(self)
self.tmp_db_dir, self.tmp_blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.peer_finder = FakePeerFinder(5553, self.peer_manager, 2)
self.rate_limiter = DummyRateLimiter()
self.sd_identifier = StreamDescriptorIdentifier()
self.storage = SQLiteStorage(self.tmp_db_dir)
self.blob_manager = DiskBlobManager(self.tmp_blob_dir, self.storage)
self.prm = OnlyFreePaymentsManager()
self.lbry_file_manager = EncryptedFileManager(
self.peer_finder, self.rate_limiter, self.blob_manager,
self.wallet, self.prm, self.storage, self.sd_identifier)
d = self.storage.setup()
d.addCallback(lambda _: self.lbry_file_manager.setup())
return d
@defer.inlineCallbacks
def tearDown(self):
yield self.lbry_file_manager.stop()
yield self.blob_manager.stop()
yield self.storage.stop()
rm_db_and_blob_dir(self.tmp_db_dir, self.tmp_blob_dir)
@defer.inlineCallbacks
def create_file(self, filename):
handle = mocks.GenFile(3 * MB, '1')
key = '2' * (AES.block_size / 8)
out = yield EncryptedFileCreator.create_lbry_file(
self.blob_manager, self.storage, self.prm, self.lbry_file_manager,
filename, handle, key, iv_generator())
defer.returnValue(out)
@defer.inlineCallbacks
def test_can_create_file(self):
expected_stream_hash = "41e6b247d923d191b154fb6f1b8529d6ddd6a73d65c35" \
"7b1acb742dd83151fb66393a7709e9f346260a4f4db6de10c25"
expected_sd_hash = "db043b44384c149126685990f6bb6563aa565ae331303d522" \
"c8728fe0534dd06fbcacae92b0891787ad9b68ffc8d20c1"
filename = 'test.file'
lbry_file = yield self.create_file(filename)
sd_hash = yield self.storage.get_sd_blob_hash_for_stream(
lbry_file.stream_hash)
# read the sd blob file
sd_blob = self.blob_manager.blobs[sd_hash]
sd_reader = BlobStreamDescriptorReader(sd_blob)
sd_file_info = yield sd_reader.get_info()
# this comes from the database, the blobs returned are sorted
sd_info = yield get_sd_info(self.storage,
lbry_file.stream_hash,
include_blobs=True)
self.assertDictEqual(sd_info, sd_file_info)
self.assertListEqual(sd_info['blobs'], sd_file_info['blobs'])
self.assertEqual(sd_info['stream_hash'], expected_stream_hash)
self.assertEqual(len(sd_info['blobs']), 3)
self.assertNotEqual(sd_info['blobs'][0]['length'], 0)
self.assertNotEqual(sd_info['blobs'][1]['length'], 0)
self.assertEqual(sd_info['blobs'][2]['length'], 0)
self.assertEqual(expected_stream_hash, lbry_file.stream_hash)
self.assertEqual(sd_hash, lbry_file.sd_hash)
self.assertEqual(sd_hash, expected_sd_hash)
blobs = yield self.blob_manager.get_all_verified_blobs()
self.assertEqual(3, len(blobs))
num_should_announce_blobs = yield self.blob_manager.count_should_announce_blobs(
)
self.assertEqual(2, num_should_announce_blobs)
@defer.inlineCallbacks
def test_can_create_file_with_unicode_filename(self):
expected_stream_hash = (
'd1da4258f3ce12edb91d7e8e160d091d3ab1432c2e55a6352dce0'
'2fd5adb86fe144e93e110075b5865fff8617776c6c0')
filename = u'☃.file'
lbry_file = yield self.create_file(filename)
self.assertEqual(expected_stream_hash, lbry_file.stream_hash)
class CreateEncryptedFileTest(unittest.TestCase):
timeout = 5
def setUp(self):
mocks.mock_conf_settings(self)
self.tmp_db_dir, self.tmp_blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.peer_finder = FakePeerFinder(5553, self.peer_manager, 2)
self.rate_limiter = DummyRateLimiter()
self.sd_identifier = StreamDescriptorIdentifier()
self.storage = SQLiteStorage(self.tmp_db_dir)
self.blob_manager = DiskBlobManager(self.tmp_blob_dir, self.storage)
self.prm = OnlyFreePaymentsManager()
self.lbry_file_manager = EncryptedFileManager(
self.peer_finder, self.rate_limiter, self.blob_manager,
self.wallet, self.prm, self.storage, self.sd_identifier)
d = self.storage.setup()
d.addCallback(lambda _: self.lbry_file_manager.setup())
return d
@defer.inlineCallbacks
def tearDown(self):
yield self.lbry_file_manager.stop()
yield self.blob_manager.stop()
yield self.storage.stop()
rm_db_and_blob_dir(self.tmp_db_dir, self.tmp_blob_dir)
@defer.inlineCallbacks
def create_file(self, filename):
handle = mocks.GenFile(3 * MB, b'1')
key = b'2' * (AES.block_size // 8)
out = yield EncryptedFileCreator.create_lbry_file(
self.blob_manager, self.storage, self.prm, self.lbry_file_manager,
filename, handle, key, iv_generator())
defer.returnValue(out)
@defer.inlineCallbacks
def test_can_create_file(self):
expected_stream_hash = "41e6b247d923d191b154fb6f1b8529d6ddd6a73d65c35" \
"7b1acb742dd83151fb66393a7709e9f346260a4f4db6de10c25"
expected_sd_hash = "40c485432daec586c1a2d247e6c08d137640a5af6e81f3f652" \
"3e62e81a2e8945b0db7c94f1852e70e371d917b994352c"
filename = 'test.file'
lbry_file = yield self.create_file(filename)
sd_hash = yield self.storage.get_sd_blob_hash_for_stream(
lbry_file.stream_hash)
# read the sd blob file
sd_blob = self.blob_manager.blobs[sd_hash]
sd_reader = BlobStreamDescriptorReader(sd_blob)
sd_file_info = yield sd_reader.get_info()
# this comes from the database, the blobs returned are sorted
sd_info = yield get_sd_info(self.storage,
lbry_file.stream_hash,
include_blobs=True)
self.maxDiff = None
unicode_sd_info = json.loads(
json.dumps(sd_info, sort_keys=True, cls=JSONBytesEncoder))
self.assertDictEqual(unicode_sd_info, sd_file_info)
self.assertEqual(sd_info['stream_hash'], expected_stream_hash)
self.assertEqual(len(sd_info['blobs']), 3)
self.assertNotEqual(sd_info['blobs'][0]['length'], 0)
self.assertNotEqual(sd_info['blobs'][1]['length'], 0)
self.assertEqual(sd_info['blobs'][2]['length'], 0)
self.assertEqual(expected_stream_hash, lbry_file.stream_hash)
self.assertEqual(sd_hash, lbry_file.sd_hash)
self.assertEqual(sd_hash, expected_sd_hash)
blobs = yield self.blob_manager.get_all_verified_blobs()
self.assertEqual(3, len(blobs))
num_should_announce_blobs = yield self.blob_manager.count_should_announce_blobs(
)
self.assertEqual(2, num_should_announce_blobs)
@defer.inlineCallbacks
def test_can_create_file_with_unicode_filename(self):
expected_stream_hash = (
'd1da4258f3ce12edb91d7e8e160d091d3ab1432c2e55a6352dce0'
'2fd5adb86fe144e93e110075b5865fff8617776c6c0')
filename = '☃.file'
lbry_file = yield self.create_file(filename)
self.assertEqual(expected_stream_hash, lbry_file.stream_hash)
class LbryUploader(object):
def __init__(self, file_size, ul_rate_limit=None):
self.file_size = file_size
self.ul_rate_limit = ul_rate_limit
self.kill_check = None
# these attributes get defined in `start`
self.db_dir = None
self.blob_dir = None
self.wallet = None
self.peer_manager = None
self.rate_limiter = None
self.prm = None
self.storage = None
self.blob_manager = None
self.lbry_file_manager = None
self.server_port = None
@defer.inlineCallbacks
def setup(self):
init_conf_windows()
self.db_dir, self.blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.rate_limiter = RateLimiter()
if self.ul_rate_limit is not None:
self.rate_limiter.set_ul_limit(self.ul_rate_limit)
self.prm = OnlyFreePaymentsManager()
self.storage = SQLiteStorage(self.db_dir)
self.blob_manager = DiskBlobManager(self.blob_dir, self.storage)
self.lbry_file_manager = EncryptedFileManager(
FakePeerFinder(5553, self.peer_manager, 1), self.rate_limiter,
self.blob_manager, self.wallet, self.prm, self.storage,
StreamDescriptorIdentifier())
yield self.storage.setup()
yield self.blob_manager.setup()
yield self.lbry_file_manager.setup()
query_handler_factories = {
1:
BlobAvailabilityHandlerFactory(self.blob_manager),
2:
BlobRequestHandlerFactory(self.blob_manager, self.wallet, self.prm,
None),
3:
self.wallet.get_wallet_info_query_handler_factory(),
}
server_factory = ServerProtocolFactory(self.rate_limiter,
query_handler_factories,
self.peer_manager)
self.server_port = reactor.listenTCP(5553,
server_factory,
interface="localhost")
test_file = GenFile(self.file_size, bytes(i for i in range(0, 64, 6)))
lbry_file = yield create_lbry_file(self.blob_manager, self.storage,
self.prm, self.lbry_file_manager,
"test_file", test_file)
defer.returnValue(lbry_file.sd_hash)
@defer.inlineCallbacks
def stop(self):
lbry_files = self.lbry_file_manager.lbry_files
for lbry_file in lbry_files:
yield self.lbry_file_manager.delete_lbry_file(lbry_file)
yield self.lbry_file_manager.stop()
yield self.blob_manager.stop()
yield self.storage.stop()
self.server_port.stopListening()
rm_db_and_blob_dir(self.db_dir, self.blob_dir)
if os.path.exists("test_file"):
os.remove("test_file")
class BlobManagerTest(unittest.TestCase):
def setUp(self):
conf.initialize_settings()
self.blob_dir = tempfile.mkdtemp()
self.db_dir = tempfile.mkdtemp()
hash_announcer = DummyHashAnnouncer()
self.bm = DiskBlobManager(hash_announcer, self.blob_dir, self.db_dir)
self.peer = Peer('somehost', 22)
def tearDown(self):
self.bm.stop()
# BlobFile will try to delete itself in _close_writer
# thus when calling rmtree we may get a FileNotFoundError
# for the blob file
shutil.rmtree(self.blob_dir, ignore_errors=True)
shutil.rmtree(self.db_dir)
@defer.inlineCallbacks
def _create_and_add_blob(self, should_announce=False):
# create and add blob to blob manager
data_len = random.randint(1, 1000)
data = ''.join(random.choice(string.lowercase) for data_len in range(data_len))
hashobj = get_lbry_hash_obj()
hashobj.update(data)
out = hashobj.hexdigest()
blob_hash = out
# create new blob
yield self.bm.setup()
blob = yield self.bm.get_blob(blob_hash, len(data))
writer, finished_d = yield blob.open_for_writing(self.peer)
yield writer.write(data)
yield self.bm.blob_completed(blob, should_announce)
yield self.bm.add_blob_to_upload_history(blob_hash, 'test', len(data))
# check to see if blob is there
self.assertTrue(os.path.isfile(os.path.join(self.blob_dir, blob_hash)))
blobs = yield self.bm.get_all_verified_blobs()
self.assertTrue(blob_hash in blobs)
defer.returnValue(blob_hash)
@defer.inlineCallbacks
def test_create_blob(self):
blob_hashes = []
# create a bunch of blobs
for i in range(0, 10):
blob_hash = yield self._create_and_add_blob()
blob_hashes.append(blob_hash)
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(10, len(blobs))
@defer.inlineCallbacks
def test_delete_blob(self):
# create blob
blob_hash = yield self._create_and_add_blob()
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 1)
# delete blob
yield self.bm.delete_blobs([blob_hash])
self.assertFalse(os.path.isfile(os.path.join(self.blob_dir, blob_hash)))
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 0)
blobs = yield self.bm._get_all_blob_hashes()
self.assertEqual(len(blobs), 0)
self.assertFalse(blob_hash in self.bm.blobs)
# delete blob that was already deleted once
out = yield self.bm.delete_blobs([blob_hash])
# delete blob that does not exist, nothing will
# happen
blob_hash = random_lbry_hash()
out = yield self.bm.delete_blobs([blob_hash])
@defer.inlineCallbacks
def test_delete_open_blob(self):
# Test that a blob that is opened for writing will not be deleted
# create blobs
blob_hashes = []
for i in range(0, 10):
blob_hash = yield self._create_and_add_blob()
blob_hashes.append(blob_hash)
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 10)
# open the last blob
blob = yield self.bm.get_blob(blob_hashes[-1])
writer, finished_d = yield blob.open_for_writing(self.peer)
# delete the last blob and check if it still exists
out = yield self.bm.delete_blobs([blob_hash])
blobs = yield self.bm.get_all_verified_blobs()
self.assertEqual(len(blobs), 10)
self.assertTrue(blob_hashes[-1] in blobs)
self.assertTrue(os.path.isfile(os.path.join(self.blob_dir, blob_hashes[-1])))
@defer.inlineCallbacks
def test_should_announce(self):
# create blob with should announce
blob_hash = yield self._create_and_add_blob(should_announce=True)
out = yield self.bm.get_should_announce(blob_hash)
self.assertTrue(out)
count = yield self.bm.count_should_announce_blobs()
self.assertEqual(1, count)
# set should annouce to False
out = yield self.bm.set_should_announce(blob_hash, should_announce=False)
out = yield self.bm.get_should_announce(blob_hash)
self.assertFalse(out)
count = yield self.bm.count_should_announce_blobs()
self.assertEqual(0, count)
