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MatrixSynapse/tests/server.py

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# Copyright 2018-2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import hashlib
import json
import logging
import os
import os.path
import sqlite3
import time
import uuid
import warnings
from collections import deque
from io import SEEK_END, BytesIO
from typing import (
Any,
Awaitable,
Callable,
Dict,
Iterable,
List,
MutableMapping,
Optional,
Sequence,
Tuple,
Type,
TypeVar,
Union,
cast,
)
from unittest.mock import Mock
import attr
from typing_extensions import Deque, ParamSpec
from zope.interface import implementer
from twisted.internet import address, threads, udp
from twisted.internet._resolver import SimpleResolverComplexifier
from twisted.internet.defer import Deferred, fail, maybeDeferred, succeed
from twisted.internet.error import DNSLookupError
from twisted.internet.interfaces import (
IAddress,
IConnector,
IConsumer,
IHostnameResolver,
IProducer,
IProtocol,
IPullProducer,
IPushProducer,
IReactorPluggableNameResolver,
IReactorTime,
IResolverSimple,
ITransport,
)
from twisted.internet.protocol import ClientFactory, DatagramProtocol
from twisted.python import threadpool
from twisted.python.failure import Failure
from twisted.test.proto_helpers import AccumulatingProtocol, MemoryReactorClock
from twisted.web.http_headers import Headers
from twisted.web.resource import IResource
from twisted.web.server import Request, Site
from synapse.config.database import DatabaseConnectionConfig
from synapse.config.homeserver import HomeServerConfig
from synapse.events.presence_router import load_legacy_presence_router
from synapse.events.spamcheck import load_legacy_spam_checkers
from synapse.events.third_party_rules import load_legacy_third_party_event_rules
from synapse.handlers.auth import load_legacy_password_auth_providers
from synapse.http.site import SynapseRequest
from synapse.logging.context import ContextResourceUsage
from synapse.server import HomeServer
from synapse.storage import DataStore
from synapse.storage.database import LoggingDatabaseConnection
from synapse.storage.engines import PostgresEngine, create_engine
from synapse.storage.prepare_database import prepare_database
from synapse.types import ISynapseReactor, JsonDict
from synapse.util import Clock
from tests.utils import (
LEAVE_DB,
POSTGRES_BASE_DB,
POSTGRES_HOST,
POSTGRES_PASSWORD,
POSTGRES_PORT,
POSTGRES_USER,
SQLITE_PERSIST_DB,
USE_POSTGRES_FOR_TESTS,
MockClock,
default_config,
)
logger = logging.getLogger(__name__)
R = TypeVar("R")
P = ParamSpec("P")
# the type of thing that can be passed into `make_request` in the headers list
CustomHeaderType = Tuple[Union[str, bytes], Union[str, bytes]]
# A pre-prepared SQLite DB that is used as a template when creating new SQLite
# DB each test run. This dramatically speeds up test set up when using SQLite.
PREPPED_SQLITE_DB_CONN: Optional[LoggingDatabaseConnection] = None
class TimedOutException(Exception):
"""
A web query timed out.
"""
@implementer(ITransport, IPushProducer, IConsumer)
@attr.s(auto_attribs=True)
class FakeChannel:
"""
A fake Twisted Web Channel (the part that interfaces with the
wire).
See twisted.web.http.HTTPChannel.
"""
site: Union[Site, "FakeSite"]
_reactor: MemoryReactorClock
result: dict = attr.Factory(dict)
_ip: str = "127.0.0.1"
_producer: Optional[Union[IPullProducer, IPushProducer]] = None
resource_usage: Optional[ContextResourceUsage] = None
_request: Optional[Request] = None
@property
def request(self) -> Request:
assert self._request is not None
return self._request
@request.setter
def request(self, request: Request) -> None:
assert self._request is None
self._request = request
@property
def json_body(self) -> JsonDict:
body = json.loads(self.text_body)
assert isinstance(body, dict)
return body
@property
def json_list(self) -> List[JsonDict]:
body = json.loads(self.text_body)
assert isinstance(body, list)
return body
@property
def text_body(self) -> str:
"""The body of the result, utf-8-decoded.
Raises an exception if the request has not yet completed.
"""
if not self.is_finished():
raise Exception("Request not yet completed")
return self.result["body"].decode("utf8")
def is_finished(self) -> bool:
"""check if the response has been completely received"""
return self.result.get("done", False)
@property
def code(self) -> int:
if not self.result:
raise Exception("No result yet.")
return int(self.result["code"])
@property
def headers(self) -> Headers:
if not self.result:
raise Exception("No result yet.")
h = Headers()
for i in self.result["headers"]:
h.addRawHeader(*i)
return h
def writeHeaders(
self, version: bytes, code: bytes, reason: bytes, headers: Headers
) -> None:
self.result["version"] = version
self.result["code"] = code
self.result["reason"] = reason
self.result["headers"] = headers
def write(self, data: bytes) -> None:
assert isinstance(data, bytes), "Should be bytes! " + repr(data)
if "body" not in self.result:
self.result["body"] = b""
self.result["body"] += data
def writeSequence(self, data: Iterable[bytes]) -> None:
for x in data:
self.write(x)
def loseConnection(self) -> None:
self.unregisterProducer()
self.transport.loseConnection()
# Type ignore: mypy doesn't like the fact that producer isn't an IProducer.
def registerProducer(self, producer: IProducer, streaming: bool) -> None:
# TODO This should ensure that the IProducer is an IPushProducer or
# IPullProducer, unfortunately twisted.protocols.basic.FileSender does
# implement those, but doesn't declare it.
self._producer = cast(Union[IPushProducer, IPullProducer], producer)
self.producerStreaming = streaming
def _produce() -> None:
if self._producer:
self._producer.resumeProducing()
self._reactor.callLater(0.1, _produce)
if not streaming:
self._reactor.callLater(0.0, _produce)
def unregisterProducer(self) -> None:
if self._producer is None:
return
self._producer = None
def stopProducing(self) -> None:
if self._producer is not None:
self._producer.stopProducing()
def pauseProducing(self) -> None:
raise NotImplementedError()
def resumeProducing(self) -> None:
raise NotImplementedError()
def requestDone(self, _self: Request) -> None:
self.result["done"] = True
if isinstance(_self, SynapseRequest):
assert _self.logcontext is not None
self.resource_usage = _self.logcontext.get_resource_usage()
def getPeer(self) -> IAddress:
# We give an address so that getClientAddress/getClientIP returns a non null entry,
# causing us to record the MAU
return address.IPv4Address("TCP", self._ip, 3423)
def getHost(self) -> IAddress:
# this is called by Request.__init__ to configure Request.host.
return address.IPv4Address("TCP", "127.0.0.1", 8888)
def isSecure(self) -> bool:
return False
@property
def transport(self) -> "FakeChannel":
return self
def await_result(self, timeout_ms: int = 1000) -> None:
"""
Wait until the request is finished.
"""
end_time = self._reactor.seconds() + timeout_ms / 1000.0
self._reactor.run()
while not self.is_finished():
# If there's a producer, tell it to resume producing so we get content
if self._producer:
self._producer.resumeProducing()
if self._reactor.seconds() > end_time:
raise TimedOutException("Timed out waiting for request to finish.")
self._reactor.advance(0.1)
def extract_cookies(self, cookies: MutableMapping[str, str]) -> None:
"""Process the contents of any Set-Cookie headers in the response
Any cookines found are added to the given dict
"""
headers = self.headers.getRawHeaders("Set-Cookie")
if not headers:
return
for h in headers:
parts = h.split(";")
k, v = parts[0].split("=", maxsplit=1)
cookies[k] = v
class FakeSite:
"""
A fake Twisted Web Site, with mocks of the extra things that
Synapse adds.
"""
server_version_string = b"1"
site_tag = "test"
access_logger = logging.getLogger("synapse.access.http.fake")
def __init__(
self,
resource: IResource,
reactor: IReactorTime,
experimental_cors_msc3886: bool = False,
):
"""
Args:
resource: the resource to be used for rendering all requests
"""
self._resource = resource
self.reactor = reactor
self.experimental_cors_msc3886 = experimental_cors_msc3886
def getResourceFor(self, request: Request) -> IResource:
return self._resource
def make_request(
reactor: MemoryReactorClock,
site: Union[Site, FakeSite],
method: Union[bytes, str],
path: Union[bytes, str],
content: Union[bytes, str, JsonDict] = b"",
access_token: Optional[str] = None,
request: Type[Request] = SynapseRequest,
shorthand: bool = True,
federation_auth_origin: Optional[bytes] = None,
content_is_form: bool = False,
await_result: bool = True,
custom_headers: Optional[Iterable[CustomHeaderType]] = None,
client_ip: str = "127.0.0.1",
) -> FakeChannel:
"""
Make a web request using the given method, path and content, and render it
Returns the fake Channel object which records the response to the request.
Args:
reactor:
site: The twisted Site to use to render the request
method: The HTTP request method ("verb").
path: The HTTP path, suitably URL encoded (e.g. escaped UTF-8 & spaces and such).
content: The body of the request. JSON-encoded, if a str of bytes.
access_token: The access token to add as authorization for the request.
request: The request class to create.
shorthand: Whether to try and be helpful and prefix the given URL
with the usual REST API path, if it doesn't contain it.
federation_auth_origin: if set to not-None, we will add a fake
Authorization header pretenting to be the given server name.
content_is_form: Whether the content is URL encoded form data. Adds the
'Content-Type': 'application/x-www-form-urlencoded' header.
await_result: whether to wait for the request to complete rendering. If true,
will pump the reactor until the the renderer tells the channel the request
is finished.
custom_headers: (name, value) pairs to add as request headers
client_ip: The IP to use as the requesting IP. Useful for testing
ratelimiting.
Returns:
channel
"""
if not isinstance(method, bytes):
method = method.encode("ascii")
if not isinstance(path, bytes):
path = path.encode("ascii")
# Decorate it to be the full path, if we're using shorthand
if (
shorthand
and not path.startswith(b"/_matrix")
and not path.startswith(b"/_synapse")
):
if path.startswith(b"/"):
path = path[1:]
path = b"/_matrix/client/r0/" + path
if not path.startswith(b"/"):
path = b"/" + path
if isinstance(content, dict):
content = json.dumps(content).encode("utf8")
if isinstance(content, str):
content = content.encode("utf8")
channel = FakeChannel(site, reactor, ip=client_ip)
req = request(channel, site)
channel.request = req
req.content = BytesIO(content)
# Twisted expects to be at the end of the content when parsing the request.
req.content.seek(0, SEEK_END)
# Old version of Twisted (<20.3.0) have issues with parsing x-www-form-urlencoded
# bodies if the Content-Length header is missing
req.requestHeaders.addRawHeader(
b"Content-Length", str(len(content)).encode("ascii")
)
if access_token:
req.requestHeaders.addRawHeader(
b"Authorization", b"Bearer " + access_token.encode("ascii")
)
if federation_auth_origin is not None:
req.requestHeaders.addRawHeader(
b"Authorization",
b"X-Matrix origin=%s,key=,sig=" % (federation_auth_origin,),
)
if content:
if content_is_form:
req.requestHeaders.addRawHeader(
b"Content-Type", b"application/x-www-form-urlencoded"
)
else:
# Assume the body is JSON
req.requestHeaders.addRawHeader(b"Content-Type", b"application/json")
if custom_headers:
for k, v in custom_headers:
req.requestHeaders.addRawHeader(k, v)
req.parseCookies()
req.requestReceived(method, path, b"1.1")
if await_result:
channel.await_result()
return channel
# ISynapseReactor implies IReactorPluggableNameResolver, but explicitly
# marking this as an implementer of the latter seems to keep mypy-zope happier.
@implementer(IReactorPluggableNameResolver, ISynapseReactor)
class ThreadedMemoryReactorClock(MemoryReactorClock):
"""
A MemoryReactorClock that supports callFromThread.
"""
def __init__(self) -> None:
self.threadpool = ThreadPool(self)
self._tcp_callbacks: Dict[Tuple[str, int], Callable] = {}
self._udp: List[udp.Port] = []
self.lookups: Dict[str, str] = {}
self._thread_callbacks: Deque[Callable[..., R]] = deque()
lookups = self.lookups
@implementer(IResolverSimple)
class FakeResolver:
def getHostByName(
self, name: str, timeout: Optional[Sequence[int]] = None
) -> "Deferred[str]":
if name not in lookups:
return fail(DNSLookupError("OH NO: unknown %s" % (name,)))
return succeed(lookups[name])
self.nameResolver = SimpleResolverComplexifier(FakeResolver())
super().__init__()
def installNameResolver(self, resolver: IHostnameResolver) -> IHostnameResolver:
raise NotImplementedError()
def listenUDP(
self,
port: int,
protocol: DatagramProtocol,
interface: str = "",
maxPacketSize: int = 8196,
) -> udp.Port:
p = udp.Port(port, protocol, interface, maxPacketSize, self)
p.startListening()
self._udp.append(p)
return p
def callFromThread(
self, callable: Callable[..., Any], *args: object, **kwargs: object
) -> None:
"""
Make the callback fire in the next reactor iteration.
"""
cb = lambda: callable(*args, **kwargs)
# it's not safe to call callLater() here, so we append the callback to a
# separate queue.
self._thread_callbacks.append(cb)
def callInThread(
self, callable: Callable[..., Any], *args: object, **kwargs: object
) -> None:
raise NotImplementedError()
def suggestThreadPoolSize(self, size: int) -> None:
raise NotImplementedError()
def getThreadPool(self) -> "threadpool.ThreadPool":
# Cast to match super-class.
return cast(threadpool.ThreadPool, self.threadpool)
def add_tcp_client_callback(
self, host: str, port: int, callback: Callable[[], None]
) -> None:
"""Add a callback that will be invoked when we receive a connection
attempt to the given IP/port using `connectTCP`.
Note that the callback gets run before we return the connection to the
client, which means callbacks cannot block while waiting for writes.
"""
self._tcp_callbacks[(host, port)] = callback
def connectTCP(
self,
host: str,
port: int,
factory: ClientFactory,
timeout: float = 30,
bindAddress: Optional[Tuple[str, int]] = None,
) -> IConnector:
"""Fake L{IReactorTCP.connectTCP}."""
conn = super().connectTCP(
host, port, factory, timeout=timeout, bindAddress=None
)
callback = self._tcp_callbacks.get((host, port))
if callback:
callback()
return conn
def advance(self, amount: float) -> None:
# first advance our reactor's time, and run any "callLater" callbacks that
# makes ready
super().advance(amount)
# now run any "callFromThread" callbacks
while True:
try:
callback = self._thread_callbacks.popleft()
except IndexError:
break
callback()
# check for more "callLater" callbacks added by the thread callback
# This isn't required in a regular reactor, but it ends up meaning that
# our database queries can complete in a single call to `advance` [1] which
# simplifies tests.
#
# [1]: we replace the threadpool backing the db connection pool with a
# mock ThreadPool which doesn't really use threads; but we still use
# reactor.callFromThread to feed results back from the db functions to the
# main thread.
super().advance(0)
class ThreadPool:
"""
Threadless thread pool.
See twisted.python.threadpool.ThreadPool
"""
def __init__(self, reactor: IReactorTime):
self._reactor = reactor
def start(self) -> None:
pass
def stop(self) -> None:
pass
def callInThreadWithCallback(
self,
onResult: Callable[[bool, Union[Failure, R]], None],
function: Callable[P, R],
*args: P.args,
**kwargs: P.kwargs,
) -> "Deferred[None]":
def _(res: Any) -> None:
if isinstance(res, Failure):
onResult(False, res)
else:
onResult(True, res)
d: "Deferred[None]" = Deferred()
d.addCallback(lambda x: function(*args, **kwargs))
d.addBoth(_)
self._reactor.callLater(0, d.callback, True)
return d
def _make_test_homeserver_synchronous(server: HomeServer) -> None:
"""
Make the given test homeserver's database interactions synchronous.
"""
clock = server.get_clock()
for database in server.get_datastores().databases:
pool = database._db_pool
def runWithConnection(
func: Callable[..., R], *args: Any, **kwargs: Any
) -> Awaitable[R]:
return threads.deferToThreadPool(
pool._reactor,
pool.threadpool,
pool._runWithConnection,
func,
*args,
**kwargs,
)
def runInteraction(
desc: str, func: Callable[..., R], *args: Any, **kwargs: Any
) -> Awaitable[R]:
return threads.deferToThreadPool(
pool._reactor,
pool.threadpool,
pool._runInteraction,
desc,
func,
*args,
**kwargs,
)
pool.runWithConnection = runWithConnection # type: ignore[assignment]
pool.runInteraction = runInteraction # type: ignore[assignment]
# Replace the thread pool with a threadless 'thread' pool
pool.threadpool = ThreadPool(clock._reactor) # type: ignore[assignment]
pool.running = True
# We've just changed the Databases to run DB transactions on the same
# thread, so we need to disable the dedicated thread behaviour.
server.get_datastores().main.USE_DEDICATED_DB_THREADS_FOR_EVENT_FETCHING = False
def get_clock() -> Tuple[ThreadedMemoryReactorClock, Clock]:
clock = ThreadedMemoryReactorClock()
hs_clock = Clock(clock)
return clock, hs_clock
@implementer(ITransport)
@attr.s(cmp=False, auto_attribs=True)
class FakeTransport:
"""
A twisted.internet.interfaces.ITransport implementation which sends all its data
straight into an IProtocol object: it exists to connect two IProtocols together.
To use it, instantiate it with the receiving IProtocol, and then pass it to the
sending IProtocol's makeConnection method:
server = HTTPChannel()
client.makeConnection(FakeTransport(server, self.reactor))
If you want bidirectional communication, you'll need two instances.
"""
other: IProtocol
"""The Protocol object which will receive any data written to this transport.
"""
_reactor: IReactorTime
"""Test reactor
"""
_protocol: Optional[IProtocol] = None
"""The Protocol which is producing data for this transport. Optional, but if set
will get called back for connectionLost() notifications etc.
"""
_peer_address: IAddress = attr.Factory(
lambda: address.IPv4Address("TCP", "127.0.0.1", 5678)
)
"""The value to be returned by getPeer"""
_host_address: IAddress = attr.Factory(
lambda: address.IPv4Address("TCP", "127.0.0.1", 1234)
)
"""The value to be returned by getHost"""
disconnecting = False
disconnected = False
connected = True
buffer: bytes = b""
producer: Optional[IPushProducer] = None
autoflush: bool = True
def getPeer(self) -> IAddress:
return self._peer_address
def getHost(self) -> IAddress:
return self._host_address
def loseConnection(self) -> None:
if not self.disconnecting:
logger.info("FakeTransport: loseConnection()")
self.disconnecting = True
if self._protocol:
self._protocol.connectionLost(
Failure(RuntimeError("FakeTransport.loseConnection()"))
)
# if we still have data to write, delay until that is done
if self.buffer:
logger.info(
"FakeTransport: Delaying disconnect until buffer is flushed"
)
else:
self.connected = False
self.disconnected = True
def abortConnection(self) -> None:
logger.info("FakeTransport: abortConnection()")
if not self.disconnecting:
self.disconnecting = True
if self._protocol:
self._protocol.connectionLost(None) # type: ignore[arg-type]
self.disconnected = True
def pauseProducing(self) -> None:
if not self.producer:
return
self.producer.pauseProducing()
def resumeProducing(self) -> None:
if not self.producer:
return
self.producer.resumeProducing()
def unregisterProducer(self) -> None:
if not self.producer:
return
self.producer = None
def registerProducer(self, producer: IPushProducer, streaming: bool) -> None:
self.producer = producer
self.producerStreaming = streaming
def _produce() -> None:
if not self.producer:
# we've been unregistered
return
# some implementations of IProducer (for example, FileSender)
# don't return a deferred.
d = maybeDeferred(self.producer.resumeProducing)
d.addCallback(lambda x: self._reactor.callLater(0.1, _produce))
if not streaming:
self._reactor.callLater(0.0, _produce)
def write(self, byt: bytes) -> None:
if self.disconnecting:
raise Exception("Writing to disconnecting FakeTransport")
self.buffer = self.buffer + byt
# always actually do the write asynchronously. Some protocols (notably the
# TLSMemoryBIOProtocol) get very confused if a read comes back while they are
# still doing a write. Doing a callLater here breaks the cycle.
if self.autoflush:
self._reactor.callLater(0.0, self.flush)
def writeSequence(self, seq: Iterable[bytes]) -> None:
for x in seq:
self.write(x)
def flush(self, maxbytes: Optional[int] = None) -> None:
if not self.buffer:
# nothing to do. Don't write empty buffers: it upsets the
# TLSMemoryBIOProtocol
return
if self.disconnected:
return
if maxbytes is not None:
to_write = self.buffer[:maxbytes]
else:
to_write = self.buffer
logger.info("%s->%s: %s", self._protocol, self.other, to_write)
try:
self.other.dataReceived(to_write)
except Exception as e:
logger.exception("Exception writing to protocol: %s", e)
return
self.buffer = self.buffer[len(to_write) :]
if self.buffer and self.autoflush:
self._reactor.callLater(0.0, self.flush)
if not self.buffer and self.disconnecting:
logger.info("FakeTransport: Buffer now empty, completing disconnect")
self.disconnected = True
def connect_client(
reactor: ThreadedMemoryReactorClock, client_id: int
) -> Tuple[IProtocol, AccumulatingProtocol]:
"""
Connect a client to a fake TCP transport.
Args:
reactor
factory: The connecting factory to build.
"""
factory = reactor.tcpClients.pop(client_id)[2]
client = factory.buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, reactor))
client.makeConnection(FakeTransport(server, reactor))
return client, server
class TestHomeServer(HomeServer):
DATASTORE_CLASS = DataStore # type: ignore[assignment]
def setup_test_homeserver(
cleanup_func: Callable[[Callable[[], None]], None],
name: str = "test",
config: Optional[HomeServerConfig] = None,
reactor: Optional[ISynapseReactor] = None,
homeserver_to_use: Type[HomeServer] = TestHomeServer,
**kwargs: Any,
) -> HomeServer:
"""
Setup a homeserver suitable for running tests against. Keyword arguments
are passed to the Homeserver constructor.
If no datastore is supplied, one is created and given to the homeserver.
Args:
cleanup_func : The function used to register a cleanup routine for
after the test.
Calling this method directly is deprecated: you should instead derive from
HomeserverTestCase.
"""
if reactor is None:
from twisted.internet import reactor as _reactor
reactor = cast(ISynapseReactor, _reactor)
if config is None:
config = default_config(name, parse=True)
config.caches.resize_all_caches()
if "clock" not in kwargs:
kwargs["clock"] = MockClock()
if USE_POSTGRES_FOR_TESTS:
test_db = "synapse_test_%s" % uuid.uuid4().hex
database_config = {
"name": "psycopg2",
"args": {
"database": test_db,
"host": POSTGRES_HOST,
"password": POSTGRES_PASSWORD,
"user": POSTGRES_USER,
"port": POSTGRES_PORT,
"cp_min": 1,
"cp_max": 5,
},
}
else:
if SQLITE_PERSIST_DB:
# The current working directory is in _trial_temp, so this gets created within that directory.
test_db_location = os.path.abspath("test.db")
logger.debug("Will persist db to %s", test_db_location)
# Ensure each test gets a clean database.
try:
os.remove(test_db_location)
except FileNotFoundError:
pass
else:
logger.debug("Removed existing DB at %s", test_db_location)
else:
test_db_location = ":memory:"
database_config = {
"name": "sqlite3",
"args": {"database": test_db_location, "cp_min": 1, "cp_max": 1},
}
# Check if we have set up a DB that we can use as a template.
global PREPPED_SQLITE_DB_CONN
if PREPPED_SQLITE_DB_CONN is None:
temp_engine = create_engine(database_config)
PREPPED_SQLITE_DB_CONN = LoggingDatabaseConnection(
sqlite3.connect(":memory:"), temp_engine, "PREPPED_CONN"
)
database = DatabaseConnectionConfig("master", database_config)
config.database.databases = [database]
prepare_database(
PREPPED_SQLITE_DB_CONN, create_engine(database_config), config
)
database_config["_TEST_PREPPED_CONN"] = PREPPED_SQLITE_DB_CONN
if "db_txn_limit" in kwargs:
database_config["txn_limit"] = kwargs["db_txn_limit"]
database = DatabaseConnectionConfig("master", database_config)
config.database.databases = [database]
db_engine = create_engine(database.config)
# Create the database before we actually try and connect to it, based off
# the template database we generate in setupdb()
if isinstance(db_engine, PostgresEngine):
import psycopg2.extensions
db_conn = db_engine.module.connect(
database=POSTGRES_BASE_DB,
user=POSTGRES_USER,
host=POSTGRES_HOST,
port=POSTGRES_PORT,
password=POSTGRES_PASSWORD,
)
assert isinstance(db_conn, psycopg2.extensions.connection)
db_conn.autocommit = True
cur = db_conn.cursor()
cur.execute("DROP DATABASE IF EXISTS %s;" % (test_db,))
cur.execute(
"CREATE DATABASE %s WITH TEMPLATE %s;" % (test_db, POSTGRES_BASE_DB)
)
cur.close()
db_conn.close()
hs = homeserver_to_use(
name,
config=config,
version_string="Synapse/tests",
reactor=reactor,
)
# Install @cache_in_self attributes
for key, val in kwargs.items():
setattr(hs, "_" + key, val)
# Mock TLS
hs.tls_server_context_factory = Mock()
hs.setup()
if homeserver_to_use == TestHomeServer:
hs.setup_background_tasks()
if isinstance(db_engine, PostgresEngine):
database_pool = hs.get_datastores().databases[0]
# We need to do cleanup on PostgreSQL
def cleanup() -> None:
import psycopg2
import psycopg2.extensions
# Close all the db pools
database_pool._db_pool.close()
dropped = False
# Drop the test database
db_conn = db_engine.module.connect(
database=POSTGRES_BASE_DB,
user=POSTGRES_USER,
host=POSTGRES_HOST,
port=POSTGRES_PORT,
password=POSTGRES_PASSWORD,
)
assert isinstance(db_conn, psycopg2.extensions.connection)
db_conn.autocommit = True
cur = db_conn.cursor()
# Try a few times to drop the DB. Some things may hold on to the
# database for a few more seconds due to flakiness, preventing
# us from dropping it when the test is over. If we can't drop
# it, warn and move on.
for _ in range(5):
try:
cur.execute("DROP DATABASE IF EXISTS %s;" % (test_db,))
db_conn.commit()
dropped = True
except psycopg2.OperationalError as e:
warnings.warn(
"Couldn't drop old db: " + str(e),
category=UserWarning,
stacklevel=2,
)
time.sleep(0.5)
cur.close()
db_conn.close()
if not dropped:
warnings.warn(
"Failed to drop old DB.",
category=UserWarning,
stacklevel=2,
)
if not LEAVE_DB:
# Register the cleanup hook
cleanup_func(cleanup)
# bcrypt is far too slow to be doing in unit tests
# Need to let the HS build an auth handler and then mess with it
# because AuthHandler's constructor requires the HS, so we can't make one
# beforehand and pass it in to the HS's constructor (chicken / egg)
async def hash(p: str) -> str:
return hashlib.md5(p.encode("utf8")).hexdigest()
hs.get_auth_handler().hash = hash # type: ignore[assignment]
async def validate_hash(p: str, h: str) -> bool:
return hashlib.md5(p.encode("utf8")).hexdigest() == h
hs.get_auth_handler().validate_hash = validate_hash # type: ignore[assignment]
# Make the threadpool and database transactions synchronous for testing.
_make_test_homeserver_synchronous(hs)
# Load any configured modules into the homeserver
module_api = hs.get_module_api()
for module, module_config in hs.config.modules.loaded_modules:
module(config=module_config, api=module_api)
load_legacy_spam_checkers(hs)
load_legacy_third_party_event_rules(hs)
load_legacy_presence_router(hs)
load_legacy_password_auth_providers(hs)
return hs
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