lbry-sdk/tests/functional/test_reflector.py
2018-08-24 11:37:53 -04:00

337 lines
14 KiB
Python

import os
from twisted.internet import defer, error
from twisted.trial import unittest
from lbrynet.core.StreamDescriptor import get_sd_info
from lbrynet import reflector
from lbrynet.core import BlobManager, PeerManager
from lbrynet.core import StreamDescriptor
from lbrynet.file_manager import EncryptedFileCreator
from lbrynet.file_manager.EncryptedFileManager import EncryptedFileManager
from lbrynet.core.RateLimiter import DummyRateLimiter
from lbrynet.database.storage import SQLiteStorage
from lbrynet.core.PaymentRateManager import OnlyFreePaymentsManager
from tests import mocks
from tests.util import mk_db_and_blob_dir, rm_db_and_blob_dir
class TestReflector(unittest.TestCase):
def setUp(self):
self.reflector_port = None
self.port = None
mocks.mock_conf_settings(self)
self.server_db_dir, self.server_blob_dir = mk_db_and_blob_dir()
self.client_db_dir, self.client_blob_dir = mk_db_and_blob_dir()
prm = OnlyFreePaymentsManager()
wallet = mocks.Wallet()
peer_manager = PeerManager.PeerManager()
peer_finder = mocks.PeerFinder(5553, peer_manager, 2)
self.server_storage = SQLiteStorage(self.server_db_dir)
self.server_blob_manager = BlobManager.DiskBlobManager(self.server_blob_dir, self.server_storage)
self.client_storage = SQLiteStorage(self.client_db_dir)
self.client_blob_manager = BlobManager.DiskBlobManager(self.client_blob_dir, self.client_storage)
self.server_lbry_file_manager = EncryptedFileManager(
peer_finder, DummyRateLimiter(), self.server_blob_manager, wallet, prm, self.server_storage,
StreamDescriptor.StreamDescriptorIdentifier()
)
self.client_lbry_file_manager = EncryptedFileManager(
peer_finder, DummyRateLimiter(), self.client_blob_manager, wallet, prm, self.client_storage,
StreamDescriptor.StreamDescriptorIdentifier()
)
self.expected_blobs = [
(
'dc4708f76a5e7af0f1cae0ee96b824e2ed9250c9346c093b'
'441f0a20d3607c17948b6fcfb4bc62020fe5286693d08586',
2097152
),
(
'f4067522c1b49432a2a679512e3917144317caa1abba0c04'
'1e0cd2cf9f635d4cf127ce1824fa04189b63916174951f70',
2097152
),
(
'305486c434260484fcb2968ce0e963b72f81ba56c11b08b1'
'af0789b55b44d78422600f9a38e3cf4f2e9569897e5646a9',
1015056
),
]
d = self.server_storage.setup()
d.addCallback(lambda _: self.server_blob_manager.setup())
d.addCallback(lambda _: self.server_lbry_file_manager.setup())
d.addCallback(lambda _: self.client_storage.setup())
d.addCallback(lambda _: self.client_blob_manager.setup())
d.addCallback(lambda _: self.client_lbry_file_manager.setup())
@defer.inlineCallbacks
def verify_equal(sd_info, stream_hash):
self.assertDictEqual(mocks.create_stream_sd_file, sd_info)
sd_hash = yield self.client_storage.get_sd_blob_hash_for_stream(stream_hash)
defer.returnValue(sd_hash)
def save_sd_blob_hash(sd_hash):
self.sd_hash = sd_hash
self.expected_blobs.append((sd_hash, 923))
def verify_stream_descriptor_file(stream_hash):
self.stream_hash = stream_hash
d = get_sd_info(self.client_storage, stream_hash, True)
d.addCallback(verify_equal, stream_hash)
d.addCallback(save_sd_blob_hash)
return d
def create_stream():
test_file = mocks.GenFile(5209343, b''.join([chr(i + 3) for i in xrange(0, 64, 6)]))
d = EncryptedFileCreator.create_lbry_file(
self.client_blob_manager, self.client_storage, prm, self.client_lbry_file_manager,
"test_file",
test_file,
key="0123456701234567",
iv_generator=iv_generator()
)
d.addCallback(lambda lbry_file: lbry_file.stream_hash)
return d
def start_server():
server_factory = reflector.ServerFactory(peer_manager, self.server_blob_manager,
self.server_lbry_file_manager)
from twisted.internet import reactor
port = 8943
while self.reflector_port is None:
try:
self.reflector_port = reactor.listenTCP(port, server_factory)
self.port = port
except error.CannotListenError:
port += 1
d.addCallback(lambda _: create_stream())
d.addCallback(verify_stream_descriptor_file)
d.addCallback(lambda _: start_server())
return d
@defer.inlineCallbacks
def tearDown(self):
lbry_files = self.client_lbry_file_manager.lbry_files
for lbry_file in lbry_files:
yield self.client_lbry_file_manager.delete_lbry_file(lbry_file)
yield self.client_lbry_file_manager.stop()
yield self.client_blob_manager.stop()
yield self.client_storage.stop()
self.reflector_port.stopListening()
lbry_files = self.server_lbry_file_manager.lbry_files
for lbry_file in lbry_files:
yield self.server_lbry_file_manager.delete_lbry_file(lbry_file)
yield self.server_lbry_file_manager.stop()
yield self.server_blob_manager.stop()
yield self.server_storage.stop()
try:
rm_db_and_blob_dir(self.client_db_dir, self.client_blob_dir)
except Exception as err:
raise unittest.SkipTest("TODO: fix this for windows")
try:
rm_db_and_blob_dir(self.server_db_dir, self.server_blob_dir)
except Exception as err:
raise unittest.SkipTest("TODO: fix this for windows")
if os.path.exists("test_file"):
os.remove("test_file")
def test_stream_reflector(self):
def verify_blob_on_reflector():
check_blob_ds = []
for blob_hash, blob_size in self.expected_blobs:
check_blob_ds.append(verify_have_blob(blob_hash, blob_size))
return defer.DeferredList(check_blob_ds)
@defer.inlineCallbacks
def verify_stream_on_reflector():
# check stream_info_manager has all the right information
streams = yield self.server_storage.get_all_streams()
self.assertEqual(1, len(streams))
self.assertEqual(self.stream_hash, streams[0])
blobs = yield self.server_storage.get_blobs_for_stream(self.stream_hash)
blob_hashes = [b.blob_hash for b in blobs if b.blob_hash is not None]
expected_blob_hashes = [b[0] for b in self.expected_blobs[:-1] if b[0] is not None]
self.assertEqual(expected_blob_hashes, blob_hashes)
sd_hash = yield self.server_storage.get_sd_blob_hash_for_stream(streams[0])
self.assertEqual(self.sd_hash, sd_hash)
# check lbry file manager has the file
files = yield self.server_lbry_file_manager.lbry_files
self.assertEqual(0, len(files))
streams = yield self.server_storage.get_all_streams()
self.assertEqual(1, len(streams))
stream_info = yield self.server_storage.get_stream_info(self.stream_hash)
self.assertEqual(self.sd_hash, stream_info[3])
self.assertEqual('test_file'.encode('hex'), stream_info[0])
# check should_announce blobs on blob_manager
blob_hashes = yield self.server_storage.get_all_should_announce_blobs()
self.assertSetEqual({self.sd_hash, expected_blob_hashes[0]}, set(blob_hashes))
def verify_have_blob(blob_hash, blob_size):
d = self.server_blob_manager.get_blob(blob_hash)
d.addCallback(lambda blob: verify_blob_completed(blob, blob_size))
return d
def send_to_server():
factory = reflector.ClientFactory(self.client_blob_manager, self.stream_hash, self.sd_hash)
from twisted.internet import reactor
reactor.connectTCP('localhost', self.port, factory)
return factory.finished_deferred
def verify_blob_completed(blob, blob_size):
self.assertTrue(blob.get_is_verified())
self.assertEqual(blob_size, blob.length)
return
d = send_to_server()
d.addCallback(lambda _: verify_blob_on_reflector())
d.addCallback(lambda _: verify_stream_on_reflector())
return d
def test_blob_reflector(self):
def verify_data_on_reflector():
check_blob_ds = []
for blob_hash, blob_size in self.expected_blobs:
check_blob_ds.append(verify_have_blob(blob_hash, blob_size))
return defer.DeferredList(check_blob_ds)
def verify_have_blob(blob_hash, blob_size):
d = self.server_blob_manager.get_blob(blob_hash)
d.addCallback(lambda blob: verify_blob_completed(blob, blob_size))
return d
def send_to_server(blob_hashes_to_send):
factory = reflector.BlobClientFactory(
self.client_blob_manager,
blob_hashes_to_send
)
from twisted.internet import reactor
reactor.connectTCP('localhost', self.port, factory)
return factory.finished_deferred
def verify_blob_completed(blob, blob_size):
self.assertTrue(blob.get_is_verified())
self.assertEqual(blob_size, blob.length)
d = send_to_server([x[0] for x in self.expected_blobs])
d.addCallback(lambda _: verify_data_on_reflector())
return d
def test_blob_reflector_v1(self):
@defer.inlineCallbacks
def verify_stream_on_reflector():
# this protocol should not have any impact on stream info manager
streams = yield self.server_storage.get_all_streams()
self.assertEqual(0, len(streams))
# there should be no should announce blobs here
blob_hashes = yield self.server_storage.get_all_should_announce_blobs()
self.assertEqual(0, len(blob_hashes))
def verify_data_on_reflector():
check_blob_ds = []
for blob_hash, blob_size in self.expected_blobs:
check_blob_ds.append(verify_have_blob(blob_hash, blob_size))
return defer.DeferredList(check_blob_ds)
def verify_have_blob(blob_hash, blob_size):
d = self.server_blob_manager.get_blob(blob_hash)
d.addCallback(lambda blob: verify_blob_completed(blob, blob_size))
return d
def send_to_server(blob_hashes_to_send):
factory = reflector.BlobClientFactory(
self.client_blob_manager,
blob_hashes_to_send
)
factory.protocol_version = 0
from twisted.internet import reactor
reactor.connectTCP('localhost', self.port, factory)
return factory.finished_deferred
def verify_blob_completed(blob, blob_size):
self.assertTrue(blob.get_is_verified())
self.assertEqual(blob_size, blob.length)
d = send_to_server([x[0] for x in self.expected_blobs])
d.addCallback(lambda _: verify_data_on_reflector())
return d
# test case when we reflect blob, and than that same blob
# is reflected as stream
def test_blob_reflect_and_stream(self):
def verify_blob_on_reflector():
check_blob_ds = []
for blob_hash, blob_size in self.expected_blobs:
check_blob_ds.append(verify_have_blob(blob_hash, blob_size))
return defer.DeferredList(check_blob_ds)
@defer.inlineCallbacks
def verify_stream_on_reflector():
# check stream_info_manager has all the right information
streams = yield self.server_storage.get_all_streams()
self.assertEqual(1, len(streams))
self.assertEqual(self.stream_hash, streams[0])
blobs = yield self.server_storage.get_blobs_for_stream(self.stream_hash)
blob_hashes = [b.blob_hash for b in blobs if b.blob_hash is not None]
expected_blob_hashes = [b[0] for b in self.expected_blobs[:-1] if b[0] is not None]
self.assertEqual(expected_blob_hashes, blob_hashes)
sd_hash = yield self.server_storage.get_sd_blob_hash_for_stream(
self.stream_hash)
self.assertEqual(self.sd_hash, sd_hash)
# check should_announce blobs on blob_manager
to_announce = yield self.server_storage.get_all_should_announce_blobs()
self.assertSetEqual(set(to_announce), {self.sd_hash, expected_blob_hashes[0]})
def verify_have_blob(blob_hash, blob_size):
d = self.server_blob_manager.get_blob(blob_hash)
d.addCallback(lambda blob: verify_blob_completed(blob, blob_size))
return d
def send_to_server_as_blobs(blob_hashes_to_send):
factory = reflector.BlobClientFactory(
self.client_blob_manager,
blob_hashes_to_send
)
factory.protocol_version = 0
from twisted.internet import reactor
reactor.connectTCP('localhost', self.port, factory)
return factory.finished_deferred
def send_to_server_as_stream(result):
factory = reflector.ClientFactory(self.client_blob_manager, self.stream_hash, self.sd_hash)
from twisted.internet import reactor
reactor.connectTCP('localhost', self.port, factory)
return factory.finished_deferred
def verify_blob_completed(blob, blob_size):
self.assertTrue(blob.get_is_verified())
self.assertEqual(blob_size, blob.length)
# Modify this to change which blobs to send
blobs_to_send = self.expected_blobs
d = send_to_server_as_blobs([x[0] for x in self.expected_blobs])
d.addCallback(send_to_server_as_stream)
d.addCallback(lambda _: verify_blob_on_reflector())
d.addCallback(lambda _: verify_stream_on_reflector())
return d
def iv_generator():
iv = 0
while True:
iv += 1
yield "%016d" % iv