forked from LBRYCommunity/lbry-sdk
178 lines
7.7 KiB
Python
178 lines
7.7 KiB
Python
import os
|
|
import shutil
|
|
import unittest
|
|
from unittest import mock
|
|
import asyncio
|
|
from lbry.blob.blob_file import MAX_BLOB_SIZE
|
|
from lbry.blob_exchange.serialization import BlobResponse
|
|
from lbry.blob_exchange.server import BlobServerProtocol
|
|
from lbry.dht.node import Node
|
|
from lbry.dht.peer import make_kademlia_peer
|
|
from lbry.stream.managed_stream import ManagedStream
|
|
from lbry.stream.descriptor import StreamDescriptor
|
|
from tests.unit.blob_exchange.test_transfer_blob import BlobExchangeTestBase
|
|
|
|
|
|
def get_mock_node(loop):
|
|
mock_node = mock.Mock(spec=Node)
|
|
mock_node.joined = asyncio.Event(loop=loop)
|
|
mock_node.joined.set()
|
|
return mock_node
|
|
|
|
|
|
class TestManagedStream(BlobExchangeTestBase):
|
|
async def create_stream(self, blob_count: int = 10):
|
|
self.stream_bytes = b''
|
|
for _ in range(blob_count):
|
|
self.stream_bytes += os.urandom((MAX_BLOB_SIZE - 1))
|
|
# create the stream
|
|
file_path = os.path.join(self.server_dir, "test_file")
|
|
with open(file_path, 'wb') as f:
|
|
f.write(self.stream_bytes)
|
|
descriptor = await StreamDescriptor.create_stream(self.loop, self.server_blob_manager.blob_dir, file_path)
|
|
self.sd_hash = descriptor.calculate_sd_hash()
|
|
return descriptor
|
|
|
|
async def setup_stream(self, blob_count: int = 10):
|
|
await self.create_stream(blob_count)
|
|
self.stream = ManagedStream(
|
|
self.loop, self.client_config, self.client_blob_manager, self.sd_hash, self.client_dir
|
|
)
|
|
|
|
async def test_status_file_completed(self):
|
|
await self._test_transfer_stream(10)
|
|
self.assertTrue(self.stream.output_file_exists)
|
|
self.assertTrue(self.stream.completed)
|
|
with open(self.stream.full_path, 'w+b') as outfile:
|
|
outfile.truncate(1)
|
|
self.assertTrue(self.stream.output_file_exists)
|
|
self.assertFalse(self.stream.completed)
|
|
|
|
async def _test_transfer_stream(self, blob_count: int, mock_accumulate_peers=None, stop_when_done=True):
|
|
await self.setup_stream(blob_count)
|
|
mock_node = mock.Mock(spec=Node)
|
|
|
|
def _mock_accumulate_peers(q1, q2):
|
|
async def _task():
|
|
pass
|
|
q2.put_nowait([self.server_from_client])
|
|
return q2, self.loop.create_task(_task())
|
|
|
|
mock_node.accumulate_peers = mock_accumulate_peers or _mock_accumulate_peers
|
|
await self.stream.save_file(node=mock_node)
|
|
await self.stream.finished_write_attempt.wait()
|
|
self.assertTrue(os.path.isfile(self.stream.full_path))
|
|
if stop_when_done:
|
|
await self.stream.stop()
|
|
self.assertTrue(os.path.isfile(self.stream.full_path))
|
|
with open(self.stream.full_path, 'rb') as f:
|
|
self.assertEqual(f.read(), self.stream_bytes)
|
|
await asyncio.sleep(0.01)
|
|
|
|
async def test_transfer_stream(self):
|
|
await self._test_transfer_stream(10)
|
|
self.assertEqual(self.stream.status, "finished")
|
|
self.assertFalse(self.stream._running.is_set())
|
|
|
|
async def test_delayed_stop(self):
|
|
await self._test_transfer_stream(10, stop_when_done=False)
|
|
self.assertEqual(self.stream.status, "finished")
|
|
self.assertTrue(self.stream._running.is_set())
|
|
await asyncio.sleep(0.5, loop=self.loop)
|
|
self.assertTrue(self.stream._running.is_set())
|
|
await asyncio.sleep(2, loop=self.loop)
|
|
self.assertEqual(self.stream.status, "finished")
|
|
self.assertFalse(self.stream._running.is_set())
|
|
|
|
@unittest.SkipTest
|
|
async def test_transfer_hundred_blob_stream(self):
|
|
await self._test_transfer_stream(100)
|
|
|
|
async def test_transfer_stream_bad_first_peer_good_second(self):
|
|
await self.setup_stream(2)
|
|
|
|
mock_node = mock.Mock(spec=Node)
|
|
q = asyncio.Queue()
|
|
|
|
bad_peer = make_kademlia_peer(b'2' * 48, "127.0.0.1", tcp_port=3334)
|
|
|
|
def _mock_accumulate_peers(q1, q2):
|
|
async def _task():
|
|
pass
|
|
|
|
q2.put_nowait([bad_peer])
|
|
self.loop.call_later(1, q2.put_nowait, [self.server_from_client])
|
|
return q2, self.loop.create_task(_task())
|
|
|
|
mock_node.accumulate_peers = _mock_accumulate_peers
|
|
|
|
await self.stream.save_file(node=mock_node)
|
|
await self.stream.finished_writing.wait()
|
|
self.assertTrue(os.path.isfile(self.stream.full_path))
|
|
with open(self.stream.full_path, 'rb') as f:
|
|
self.assertEqual(f.read(), self.stream_bytes)
|
|
await self.stream.stop()
|
|
# self.assertIs(self.server_from_client.tcp_last_down, None)
|
|
# self.assertIsNot(bad_peer.tcp_last_down, None)
|
|
|
|
async def test_client_chunked_response(self):
|
|
self.server.stop_server()
|
|
|
|
class ChunkedServerProtocol(BlobServerProtocol):
|
|
def send_response(self, responses):
|
|
to_send = []
|
|
while responses:
|
|
to_send.append(responses.pop())
|
|
for byte in BlobResponse(to_send).serialize():
|
|
self.transport.write(bytes([byte]))
|
|
self.server.server_protocol_class = ChunkedServerProtocol
|
|
self.server.start_server(33333, '127.0.0.1')
|
|
self.assertEqual(0, len(self.client_blob_manager.completed_blob_hashes))
|
|
await asyncio.wait_for(self._test_transfer_stream(10), timeout=2)
|
|
self.assertEqual(11, len(self.client_blob_manager.completed_blob_hashes))
|
|
|
|
async def test_create_and_decrypt_one_blob_stream(self, blobs=1, corrupt=False):
|
|
descriptor = await self.create_stream(blobs)
|
|
|
|
# copy blob files
|
|
shutil.copy(os.path.join(self.server_blob_manager.blob_dir, self.sd_hash),
|
|
os.path.join(self.client_blob_manager.blob_dir, self.sd_hash))
|
|
self.stream = ManagedStream(self.loop, self.client_config, self.client_blob_manager, self.sd_hash,
|
|
self.client_dir)
|
|
|
|
for blob_info in descriptor.blobs[:-1]:
|
|
shutil.copy(os.path.join(self.server_blob_manager.blob_dir, blob_info.blob_hash),
|
|
os.path.join(self.client_blob_manager.blob_dir, blob_info.blob_hash))
|
|
if corrupt and blob_info.length == MAX_BLOB_SIZE:
|
|
with open(os.path.join(self.client_blob_manager.blob_dir, blob_info.blob_hash), "rb+") as handle:
|
|
handle.truncate()
|
|
handle.flush()
|
|
await self.stream.save_file()
|
|
await self.stream.finished_writing.wait()
|
|
if corrupt:
|
|
return self.assertFalse(os.path.isfile(os.path.join(self.client_dir, "test_file")))
|
|
|
|
with open(os.path.join(self.client_dir, "test_file"), "rb") as f:
|
|
decrypted = f.read()
|
|
self.assertEqual(decrypted, self.stream_bytes)
|
|
|
|
self.assertEqual(True, self.client_blob_manager.get_blob(self.sd_hash).get_is_verified())
|
|
self.assertEqual(
|
|
True, self.client_blob_manager.get_blob(self.stream.descriptor.blobs[0].blob_hash).get_is_verified()
|
|
)
|
|
#
|
|
# # its all blobs + sd blob - last blob, which is the same size as descriptor.blobs
|
|
# self.assertEqual(len(descriptor.blobs), len(await downloader_storage.get_all_finished_blobs()))
|
|
# self.assertEqual(
|
|
# [descriptor.sd_hash, descriptor.blobs[0].blob_hash], await downloader_storage.get_blobs_to_announce()
|
|
# )
|
|
#
|
|
# await downloader_storage.close()
|
|
# await self.storage.close()
|
|
|
|
async def test_create_and_decrypt_multi_blob_stream(self):
|
|
await self.test_create_and_decrypt_one_blob_stream(10)
|
|
|
|
# async def test_create_truncate_and_handle_stream(self):
|
|
# # The purpose of this test is just to make sure it can finish even if a blob is corrupt/truncated
|
|
# await asyncio.wait_for(self.test_create_and_decrypt_one_blob_stream(corrupt=True), timeout=5)
|