forked from LBRYCommunity/lbry-sdk
193 lines
9.2 KiB
Python
193 lines
9.2 KiB
Python
import os
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import asyncio
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import tempfile
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import shutil
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from lbry.testcase import AsyncioTestCase
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from lbry.conf import Config
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from lbry.extras.daemon.storage import SQLiteStorage
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from lbry.blob.blob_manager import BlobManager
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from lbry.stream.stream_manager import StreamManager
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from lbry.stream.reflector.server import ReflectorServer
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class TestReflector(AsyncioTestCase):
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async def asyncSetUp(self):
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self.loop = asyncio.get_event_loop()
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self.key = b'deadbeef' * 4
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self.cleartext = os.urandom(20000000)
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tmp_dir = tempfile.mkdtemp()
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self.addCleanup(lambda: shutil.rmtree(tmp_dir))
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self.conf = Config()
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self.storage = SQLiteStorage(self.conf, os.path.join(tmp_dir, "lbrynet.sqlite"))
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await self.storage.open()
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self.blob_manager = BlobManager(self.loop, tmp_dir, self.storage, self.conf)
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self.addCleanup(self.blob_manager.stop)
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self.stream_manager = StreamManager(self.loop, Config(), self.blob_manager, None, self.storage, None)
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server_tmp_dir = tempfile.mkdtemp()
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self.addCleanup(lambda: shutil.rmtree(server_tmp_dir))
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self.server_conf = Config()
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self.server_storage = SQLiteStorage(self.server_conf, os.path.join(server_tmp_dir, "lbrynet.sqlite"))
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await self.server_storage.open()
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self.server_blob_manager = BlobManager(self.loop, server_tmp_dir, self.server_storage, self.server_conf)
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self.addCleanup(self.server_blob_manager.stop)
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download_dir = tempfile.mkdtemp()
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self.addCleanup(lambda: shutil.rmtree(download_dir))
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# create the stream
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file_path = os.path.join(tmp_dir, "test_file")
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with open(file_path, 'wb') as f:
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f.write(self.cleartext)
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self.stream_manager.config.reflect_streams = False
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self.stream = await self.stream_manager.create(file_path)
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async def _test_reflect_stream(self, response_chunk_size):
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reflector = ReflectorServer(self.server_blob_manager, response_chunk_size=response_chunk_size)
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reflector.start_server(5566, '127.0.0.1')
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await reflector.started_listening.wait()
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self.addCleanup(reflector.stop_server)
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self.assertEqual(0, self.stream.reflector_progress)
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sent = await self.stream.upload_to_reflector('127.0.0.1', 5566)
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self.assertEqual(100, self.stream.reflector_progress)
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self.assertSetEqual(
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set(sent),
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set(map(lambda b: b.blob_hash,
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self.stream.descriptor.blobs[:-1] + [self.blob_manager.get_blob(self.stream.sd_hash)]))
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)
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self.assertTrue(self.stream.is_fully_reflected)
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server_sd_blob = self.server_blob_manager.get_blob(self.stream.sd_hash)
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self.assertTrue(server_sd_blob.get_is_verified())
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self.assertEqual(server_sd_blob.length, server_sd_blob.length)
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for blob in self.stream.descriptor.blobs[:-1]:
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server_blob = self.server_blob_manager.get_blob(blob.blob_hash)
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self.assertTrue(server_blob.get_is_verified())
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self.assertEqual(server_blob.length, blob.length)
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sent = await self.stream.upload_to_reflector('127.0.0.1', 5566)
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self.assertListEqual(sent, [])
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async def test_reflect_stream(self):
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return await asyncio.wait_for(self._test_reflect_stream(response_chunk_size=50), 3, loop=self.loop)
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async def test_reflect_stream_small_response_chunks(self):
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return await asyncio.wait_for(self._test_reflect_stream(response_chunk_size=30), 3, loop=self.loop)
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async def test_announces(self):
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to_announce = await self.storage.get_blobs_to_announce()
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self.assertIn(self.stream.sd_hash, to_announce, "sd blob not set to announce")
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self.assertIn(self.stream.descriptor.blobs[0].blob_hash, to_announce, "head blob not set to announce")
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async def test_result_from_disconnect_mid_sd_transfer(self):
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stop = asyncio.Event()
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incoming = asyncio.Event()
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reflector = ReflectorServer(
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self.server_blob_manager, response_chunk_size=50, stop_event=stop, incoming_event=incoming
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)
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reflector.start_server(5566, '127.0.0.1')
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await reflector.started_listening.wait()
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self.addCleanup(reflector.stop_server)
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self.assertEqual(0, self.stream.reflector_progress)
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reflect_task = asyncio.create_task(self.stream.upload_to_reflector('127.0.0.1', 5566))
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await incoming.wait()
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stop.set()
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# this used to raise (and then propagate) a CancelledError
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self.assertListEqual(await reflect_task, [])
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self.assertFalse(self.stream.is_fully_reflected)
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self.assertFalse(self.server_blob_manager.get_blob(self.stream.sd_hash).get_is_verified())
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async def test_result_from_disconnect_after_sd_transfer(self):
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stop = asyncio.Event()
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incoming = asyncio.Event()
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not_incoming = asyncio.Event()
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reflector = ReflectorServer(
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self.server_blob_manager, response_chunk_size=50, stop_event=stop, incoming_event=incoming,
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not_incoming_event=not_incoming
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)
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reflector.start_server(5566, '127.0.0.1')
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await reflector.started_listening.wait()
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self.addCleanup(reflector.stop_server)
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self.assertEqual(0, self.stream.reflector_progress)
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reflect_task = asyncio.create_task(self.stream.upload_to_reflector('127.0.0.1', 5566))
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await incoming.wait()
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await not_incoming.wait()
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stop.set()
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sent = await reflect_task
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self.assertListEqual([self.stream.sd_hash], sent)
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self.assertTrue(self.server_blob_manager.get_blob(self.stream.sd_hash).get_is_verified())
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self.assertFalse(self.stream.is_fully_reflected)
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async def test_result_from_disconnect_after_data_transfer(self):
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stop = asyncio.Event()
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incoming = asyncio.Event()
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not_incoming = asyncio.Event()
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reflector = ReflectorServer(
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self.server_blob_manager, response_chunk_size=50, stop_event=stop, incoming_event=incoming,
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not_incoming_event=not_incoming
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)
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reflector.start_server(5566, '127.0.0.1')
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await reflector.started_listening.wait()
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self.addCleanup(reflector.stop_server)
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self.assertEqual(0, self.stream.reflector_progress)
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reflect_task = asyncio.create_task(self.stream.upload_to_reflector('127.0.0.1', 5566))
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await incoming.wait()
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await not_incoming.wait()
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await incoming.wait()
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await not_incoming.wait()
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stop.set()
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sent = await reflect_task
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self.assertListEqual([self.stream.sd_hash, self.stream.descriptor.blobs[0].blob_hash], sent)
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self.assertTrue(self.server_blob_manager.get_blob(self.stream.sd_hash).get_is_verified())
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self.assertTrue(self.server_blob_manager.get_blob(self.stream.descriptor.blobs[0].blob_hash).get_is_verified())
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self.assertFalse(self.stream.is_fully_reflected)
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async def test_result_from_disconnect_mid_data_transfer(self):
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stop = asyncio.Event()
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incoming = asyncio.Event()
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not_incoming = asyncio.Event()
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reflector = ReflectorServer(
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self.server_blob_manager, response_chunk_size=50, stop_event=stop, incoming_event=incoming,
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not_incoming_event=not_incoming
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)
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reflector.start_server(5566, '127.0.0.1')
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await reflector.started_listening.wait()
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self.addCleanup(reflector.stop_server)
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self.assertEqual(0, self.stream.reflector_progress)
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reflect_task = asyncio.create_task(self.stream.upload_to_reflector('127.0.0.1', 5566))
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await incoming.wait()
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await not_incoming.wait()
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await incoming.wait()
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stop.set()
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self.assertListEqual(await reflect_task, [self.stream.sd_hash])
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self.assertTrue(self.server_blob_manager.get_blob(self.stream.sd_hash).get_is_verified())
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self.assertFalse(
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self.server_blob_manager.get_blob(self.stream.descriptor.blobs[0].blob_hash).get_is_verified()
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)
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self.assertFalse(self.stream.is_fully_reflected)
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async def test_delete_file_during_reflector_upload(self):
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stop = asyncio.Event()
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incoming = asyncio.Event()
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not_incoming = asyncio.Event()
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reflector = ReflectorServer(
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self.server_blob_manager, response_chunk_size=50, stop_event=stop, incoming_event=incoming,
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not_incoming_event=not_incoming
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)
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reflector.start_server(5566, '127.0.0.1')
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await reflector.started_listening.wait()
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self.addCleanup(reflector.stop_server)
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self.assertEqual(0, self.stream.reflector_progress)
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reflect_task = asyncio.create_task(self.stream.upload_to_reflector('127.0.0.1', 5566))
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await incoming.wait()
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await not_incoming.wait()
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await incoming.wait()
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await self.stream_manager.delete(self.stream, delete_file=True)
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# this used to raise OSError when it can't read the deleted blob for the upload
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sent = await reflect_task
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self.assertListEqual([self.stream.sd_hash], sent)
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self.assertTrue(self.server_blob_manager.get_blob(self.stream.sd_hash).get_is_verified())
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self.assertFalse(
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self.server_blob_manager.get_blob(self.stream.descriptor.blobs[0].blob_hash).get_is_verified()
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)
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self.assertFalse(self.stream.is_fully_reflected)
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