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Merge branch 'develop' into madlittlemods/msc3575-sliding-sync-0.0.1

This commit is contained in:
Eric Eastwood
2024-05-29 17:37:31 -05:00
29 changed files with 513 additions and 532 deletions

View File

@@ -93,13 +93,13 @@ class UnstableMediaDomainBlockingTests(unittest.HomeserverTestCase):
# from a regular 404.
file_id = "abcdefg12345"
file_info = FileInfo(server_name=self.remote_server_name, file_id=file_id)
with hs.get_media_repository().media_storage.store_into_file(file_info) as (
f,
fname,
finish,
):
f.write(SMALL_PNG)
self.get_success(finish())
media_storage = hs.get_media_repository().media_storage
ctx = media_storage.store_into_file(file_info)
(f, fname) = self.get_success(ctx.__aenter__())
f.write(SMALL_PNG)
self.get_success(ctx.__aexit__(None, None, None))
self.get_success(
self.store.store_cached_remote_media(

View File

@@ -44,13 +44,13 @@ class MediaDomainBlockingTests(unittest.HomeserverTestCase):
# from a regular 404.
file_id = "abcdefg12345"
file_info = FileInfo(server_name=self.remote_server_name, file_id=file_id)
with hs.get_media_repository().media_storage.store_into_file(file_info) as (
f,
fname,
finish,
):
f.write(SMALL_PNG)
self.get_success(finish())
media_storage = hs.get_media_repository().media_storage
ctx = media_storage.store_into_file(file_info)
(f, fname) = self.get_success(ctx.__aenter__())
f.write(SMALL_PNG)
self.get_success(ctx.__aexit__(None, None, None))
self.get_success(
self.store.store_cached_remote_media(

View File

@@ -31,6 +31,11 @@ from synapse.storage.database import (
from synapse.storage.engines import IncorrectDatabaseSetup
from synapse.storage.types import Cursor
from synapse.storage.util.id_generators import MultiWriterIdGenerator, StreamIdGenerator
from synapse.storage.util.sequence import (
LocalSequenceGenerator,
PostgresSequenceGenerator,
SequenceGenerator,
)
from synapse.util import Clock
from tests.unittest import HomeserverTestCase
@@ -175,18 +180,22 @@ class StreamIdGeneratorTestCase(HomeserverTestCase):
self.get_success(test_gen_next())
class MultiWriterIdGeneratorTestCase(HomeserverTestCase):
if not USE_POSTGRES_FOR_TESTS:
skip = "Requires Postgres"
class MultiWriterIdGeneratorBase(HomeserverTestCase):
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.store = hs.get_datastores().main
self.db_pool: DatabasePool = self.store.db_pool
self.get_success(self.db_pool.runInteraction("_setup_db", self._setup_db))
if USE_POSTGRES_FOR_TESTS:
self.seq_gen: SequenceGenerator = PostgresSequenceGenerator("foobar_seq")
else:
self.seq_gen = LocalSequenceGenerator(lambda _: 0)
def _setup_db(self, txn: LoggingTransaction) -> None:
txn.execute("CREATE SEQUENCE foobar_seq")
if USE_POSTGRES_FOR_TESTS:
txn.execute("CREATE SEQUENCE foobar_seq")
txn.execute(
"""
CREATE TABLE foobar (
@@ -221,44 +230,27 @@ class MultiWriterIdGeneratorTestCase(HomeserverTestCase):
def _insert(txn: LoggingTransaction) -> None:
for _ in range(number):
next_val = self.seq_gen.get_next_id_txn(txn)
txn.execute(
"INSERT INTO foobar VALUES (nextval('foobar_seq'), ?)",
(instance_name,),
"INSERT INTO foobar (stream_id, instance_name) VALUES (?, ?)",
(
next_val,
instance_name,
),
)
txn.execute(
"""
INSERT INTO stream_positions VALUES ('test_stream', ?, lastval())
ON CONFLICT (stream_name, instance_name) DO UPDATE SET stream_id = lastval()
INSERT INTO stream_positions VALUES ('test_stream', ?, ?)
ON CONFLICT (stream_name, instance_name) DO UPDATE SET stream_id = ?
""",
(instance_name,),
(instance_name, next_val, next_val),
)
self.get_success(self.db_pool.runInteraction("_insert_rows", _insert))
def _insert_row_with_id(self, instance_name: str, stream_id: int) -> None:
"""Insert one row as the given instance with given stream_id, updating
the postgres sequence position to match.
"""
def _insert(txn: LoggingTransaction) -> None:
txn.execute(
"INSERT INTO foobar VALUES (?, ?)",
(
stream_id,
instance_name,
),
)
txn.execute("SELECT setval('foobar_seq', ?)", (stream_id,))
txn.execute(
"""
INSERT INTO stream_positions VALUES ('test_stream', ?, ?)
ON CONFLICT (stream_name, instance_name) DO UPDATE SET stream_id = ?
""",
(instance_name, stream_id, stream_id),
)
self.get_success(self.db_pool.runInteraction("_insert_row_with_id", _insert))
class MultiWriterIdGeneratorTestCase(MultiWriterIdGeneratorBase):
def test_empty(self) -> None:
"""Test an ID generator against an empty database gives sensible
current positions.
@@ -347,6 +339,176 @@ class MultiWriterIdGeneratorTestCase(HomeserverTestCase):
self.assertEqual(id_gen.get_positions(), {"master": 11})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 11)
def test_get_next_txn(self) -> None:
"""Test that the `get_next_txn` function works correctly."""
# Prefill table with 7 rows written by 'master'
self._insert_rows("master", 7)
id_gen = self._create_id_generator()
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
# Try allocating a new ID gen and check that we only see position
# advanced after we leave the context manager.
def _get_next_txn(txn: LoggingTransaction) -> None:
stream_id = id_gen.get_next_txn(txn)
self.assertEqual(stream_id, 8)
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
self.get_success(self.db_pool.runInteraction("test", _get_next_txn))
self.assertEqual(id_gen.get_positions(), {"master": 8})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 8)
def test_restart_during_out_of_order_persistence(self) -> None:
"""Test that restarting a process while another process is writing out
of order updates are handled correctly.
"""
# Prefill table with 7 rows written by 'master'
self._insert_rows("master", 7)
id_gen = self._create_id_generator()
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
# Persist two rows at once
ctx1 = id_gen.get_next()
ctx2 = id_gen.get_next()
s1 = self.get_success(ctx1.__aenter__())
s2 = self.get_success(ctx2.__aenter__())
self.assertEqual(s1, 8)
self.assertEqual(s2, 9)
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
# We finish persisting the second row before restart
self.get_success(ctx2.__aexit__(None, None, None))
# We simulate a restart of another worker by just creating a new ID gen.
id_gen_worker = self._create_id_generator("worker")
# Restarted worker should not see the second persisted row
self.assertEqual(id_gen_worker.get_positions(), {"master": 7})
self.assertEqual(id_gen_worker.get_current_token_for_writer("master"), 7)
# Now if we persist the first row then both instances should jump ahead
# correctly.
self.get_success(ctx1.__aexit__(None, None, None))
self.assertEqual(id_gen.get_positions(), {"master": 9})
id_gen_worker.advance("master", 9)
self.assertEqual(id_gen_worker.get_positions(), {"master": 9})
class WorkerMultiWriterIdGeneratorTestCase(MultiWriterIdGeneratorBase):
if not USE_POSTGRES_FOR_TESTS:
skip = "Requires Postgres"
def _insert_row_with_id(self, instance_name: str, stream_id: int) -> None:
"""Insert one row as the given instance with given stream_id, updating
the postgres sequence position to match.
"""
def _insert(txn: LoggingTransaction) -> None:
txn.execute(
"INSERT INTO foobar (stream_id, instance_name) VALUES (?, ?)",
(
stream_id,
instance_name,
),
)
txn.execute("SELECT setval('foobar_seq', ?)", (stream_id,))
txn.execute(
"""
INSERT INTO stream_positions VALUES ('test_stream', ?, ?)
ON CONFLICT (stream_name, instance_name) DO UPDATE SET stream_id = ?
""",
(instance_name, stream_id, stream_id),
)
self.get_success(self.db_pool.runInteraction("_insert_row_with_id", _insert))
def test_get_persisted_upto_position(self) -> None:
"""Test that `get_persisted_upto_position` correctly tracks updates to
positions.
"""
# The following tests are a bit cheeky in that we notify about new
# positions via `advance` without *actually* advancing the postgres
# sequence.
self._insert_row_with_id("first", 3)
self._insert_row_with_id("second", 5)
id_gen = self._create_id_generator("worker", writers=["first", "second"])
self.assertEqual(id_gen.get_positions(), {"first": 3, "second": 5})
# Min is 3 and there is a gap between 5, so we expect it to be 3.
self.assertEqual(id_gen.get_persisted_upto_position(), 3)
# We advance "first" straight to 6. Min is now 5 but there is no gap so
# we expect it to be 6
id_gen.advance("first", 6)
self.assertEqual(id_gen.get_persisted_upto_position(), 6)
# No gap, so we expect 7.
id_gen.advance("second", 7)
self.assertEqual(id_gen.get_persisted_upto_position(), 7)
# We haven't seen 8 yet, so we expect 7 still.
id_gen.advance("second", 9)
self.assertEqual(id_gen.get_persisted_upto_position(), 7)
# Now that we've seen 7, 8 and 9 we can got straight to 9.
id_gen.advance("first", 8)
self.assertEqual(id_gen.get_persisted_upto_position(), 9)
# Jump forward with gaps. The minimum is 11, even though we haven't seen
# 10 we know that everything before 11 must be persisted.
id_gen.advance("first", 11)
id_gen.advance("second", 15)
self.assertEqual(id_gen.get_persisted_upto_position(), 11)
def test_get_persisted_upto_position_get_next(self) -> None:
"""Test that `get_persisted_upto_position` correctly tracks updates to
positions when `get_next` is called.
"""
self._insert_row_with_id("first", 3)
self._insert_row_with_id("second", 5)
id_gen = self._create_id_generator("first", writers=["first", "second"])
self.assertEqual(id_gen.get_positions(), {"first": 3, "second": 5})
self.assertEqual(id_gen.get_persisted_upto_position(), 5)
async def _get_next_async() -> None:
async with id_gen.get_next() as stream_id:
self.assertEqual(stream_id, 6)
self.assertEqual(id_gen.get_persisted_upto_position(), 5)
self.get_success(_get_next_async())
self.assertEqual(id_gen.get_persisted_upto_position(), 6)
# We assume that so long as `get_next` does correctly advance the
# `persisted_upto_position` in this case, then it will be correct in the
# other cases that are tested above (since they'll hit the same code).
def test_multi_instance(self) -> None:
"""Test that reads and writes from multiple processes are handled
correctly.
@@ -453,145 +615,6 @@ class MultiWriterIdGeneratorTestCase(HomeserverTestCase):
third_id_gen.get_positions(), {"first": 3, "second": 7, "third": 8}
)
def test_get_next_txn(self) -> None:
"""Test that the `get_next_txn` function works correctly."""
# Prefill table with 7 rows written by 'master'
self._insert_rows("master", 7)
id_gen = self._create_id_generator()
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
# Try allocating a new ID gen and check that we only see position
# advanced after we leave the context manager.
def _get_next_txn(txn: LoggingTransaction) -> None:
stream_id = id_gen.get_next_txn(txn)
self.assertEqual(stream_id, 8)
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
self.get_success(self.db_pool.runInteraction("test", _get_next_txn))
self.assertEqual(id_gen.get_positions(), {"master": 8})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 8)
def test_get_persisted_upto_position(self) -> None:
"""Test that `get_persisted_upto_position` correctly tracks updates to
positions.
"""
# The following tests are a bit cheeky in that we notify about new
# positions via `advance` without *actually* advancing the postgres
# sequence.
self._insert_row_with_id("first", 3)
self._insert_row_with_id("second", 5)
id_gen = self._create_id_generator("worker", writers=["first", "second"])
self.assertEqual(id_gen.get_positions(), {"first": 3, "second": 5})
# Min is 3 and there is a gap between 5, so we expect it to be 3.
self.assertEqual(id_gen.get_persisted_upto_position(), 3)
# We advance "first" straight to 6. Min is now 5 but there is no gap so
# we expect it to be 6
id_gen.advance("first", 6)
self.assertEqual(id_gen.get_persisted_upto_position(), 6)
# No gap, so we expect 7.
id_gen.advance("second", 7)
self.assertEqual(id_gen.get_persisted_upto_position(), 7)
# We haven't seen 8 yet, so we expect 7 still.
id_gen.advance("second", 9)
self.assertEqual(id_gen.get_persisted_upto_position(), 7)
# Now that we've seen 7, 8 and 9 we can got straight to 9.
id_gen.advance("first", 8)
self.assertEqual(id_gen.get_persisted_upto_position(), 9)
# Jump forward with gaps. The minimum is 11, even though we haven't seen
# 10 we know that everything before 11 must be persisted.
id_gen.advance("first", 11)
id_gen.advance("second", 15)
self.assertEqual(id_gen.get_persisted_upto_position(), 11)
def test_get_persisted_upto_position_get_next(self) -> None:
"""Test that `get_persisted_upto_position` correctly tracks updates to
positions when `get_next` is called.
"""
self._insert_row_with_id("first", 3)
self._insert_row_with_id("second", 5)
id_gen = self._create_id_generator("first", writers=["first", "second"])
self.assertEqual(id_gen.get_positions(), {"first": 3, "second": 5})
self.assertEqual(id_gen.get_persisted_upto_position(), 5)
async def _get_next_async() -> None:
async with id_gen.get_next() as stream_id:
self.assertEqual(stream_id, 6)
self.assertEqual(id_gen.get_persisted_upto_position(), 5)
self.get_success(_get_next_async())
self.assertEqual(id_gen.get_persisted_upto_position(), 6)
# We assume that so long as `get_next` does correctly advance the
# `persisted_upto_position` in this case, then it will be correct in the
# other cases that are tested above (since they'll hit the same code).
def test_restart_during_out_of_order_persistence(self) -> None:
"""Test that restarting a process while another process is writing out
of order updates are handled correctly.
"""
# Prefill table with 7 rows written by 'master'
self._insert_rows("master", 7)
id_gen = self._create_id_generator()
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
# Persist two rows at once
ctx1 = id_gen.get_next()
ctx2 = id_gen.get_next()
s1 = self.get_success(ctx1.__aenter__())
s2 = self.get_success(ctx2.__aenter__())
self.assertEqual(s1, 8)
self.assertEqual(s2, 9)
self.assertEqual(id_gen.get_positions(), {"master": 7})
self.assertEqual(id_gen.get_current_token_for_writer("master"), 7)
# We finish persisting the second row before restart
self.get_success(ctx2.__aexit__(None, None, None))
# We simulate a restart of another worker by just creating a new ID gen.
id_gen_worker = self._create_id_generator("worker")
# Restarted worker should not see the second persisted row
self.assertEqual(id_gen_worker.get_positions(), {"master": 7})
self.assertEqual(id_gen_worker.get_current_token_for_writer("master"), 7)
# Now if we persist the first row then both instances should jump ahead
# correctly.
self.get_success(ctx1.__aexit__(None, None, None))
self.assertEqual(id_gen.get_positions(), {"master": 9})
id_gen_worker.advance("master", 9)
self.assertEqual(id_gen_worker.get_positions(), {"master": 9})
def test_writer_config_change(self) -> None:
"""Test that changing the writer config correctly works."""