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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
#
# 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
from inspect import getcallargs
from mock import Mock, patch
from six.moves.urllib import parse as urlparse
from twisted.internet import defer, reactor
from synapse.api.errors import CodeMessageException, cs_error
from synapse.federation.transport import server
from synapse.http.server import HttpServer
from synapse.server import HomeServer
from synapse.storage import PostgresEngine
from synapse.storage.engines import create_engine
from synapse.storage.prepare_database import prepare_database
from synapse.util.logcontext import LoggingContext
from synapse.util.ratelimitutils import FederationRateLimiter
# set this to True to run the tests against postgres instead of sqlite.
# It requires you to have a local postgres database called synapse_test, within
# which ALL TABLES WILL BE DROPPED
USE_POSTGRES_FOR_TESTS = False
@defer.inlineCallbacks
def setup_test_homeserver(name="test", datastore=None, config=None, reactor=None,
**kargs):
"""Setup a homeserver suitable for running tests against. Keyword arguments
are passed to the Homeserver constructor. If no datastore is supplied a
datastore backed by an in-memory sqlite db will be given to the HS.
"""
if reactor is None:
from twisted.internet import reactor
if config is None:
config = Mock()
config.signing_key = [MockKey()]
config.event_cache_size = 1
config.enable_registration = True
config.macaroon_secret_key = "not even a little secret"
config.expire_access_token = False
config.server_name = name
config.trusted_third_party_id_servers = []
config.room_invite_state_types = []
config.password_providers = []
config.worker_replication_url = ""
config.worker_app = None
config.email_enable_notifs = False
config.block_non_admin_invites = False
config.federation_domain_whitelist = None
config.federation_rc_reject_limit = 10
config.federation_rc_sleep_limit = 10
config.federation_rc_sleep_delay = 100
config.federation_rc_concurrent = 10
config.filter_timeline_limit = 5000
config.user_directory_search_all_users = False
config.replicate_user_profiles_to = []
config.user_consent_server_notice_content = None
config.block_events_without_consent_error = None
# disable user directory updates, because they get done in the
# background, which upsets the test runner.
config.update_user_directory = False
config.use_frozen_dicts = True
config.ldap_enabled = False
if "clock" not in kargs:
kargs["clock"] = MockClock()
if USE_POSTGRES_FOR_TESTS:
config.database_config = {
"name": "psycopg2",
"args": {
"database": "synapse_test",
"cp_min": 1,
"cp_max": 5,
},
}
else:
config.database_config = {
"name": "sqlite3",
"args": {
"database": ":memory:",
"cp_min": 1,
"cp_max": 1,
},
}
db_engine = create_engine(config.database_config)
# we need to configure the connection pool to run the on_new_connection
# function, so that we can test code that uses custom sqlite functions
# (like rank).
config.database_config["args"]["cp_openfun"] = db_engine.on_new_connection
if datastore is None:
hs = HomeServer(
name, config=config,
db_config=config.database_config,
version_string="Synapse/tests",
database_engine=db_engine,
room_list_handler=object(),
tls_server_context_factory=Mock(),
reactor=reactor,
**kargs
)
db_conn = hs.get_db_conn()
# make sure that the database is empty
if isinstance(db_engine, PostgresEngine):
cur = db_conn.cursor()
cur.execute("SELECT tablename FROM pg_tables where schemaname='public'")
rows = cur.fetchall()
for r in rows:
cur.execute("DROP TABLE %s CASCADE" % r[0])
yield prepare_database(db_conn, db_engine, config)
hs.setup()
else:
hs = HomeServer(
name, db_pool=None, datastore=datastore, config=config,
version_string="Synapse/tests",
database_engine=db_engine,
room_list_handler=object(),
tls_server_context_factory=Mock(),
**kargs
)
# 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)
hs.get_auth_handler().hash = lambda p: hashlib.md5(p).hexdigest()
hs.get_auth_handler().validate_hash = lambda p, h: hashlib.md5(p).hexdigest() == h
fed = kargs.get("resource_for_federation", None)
if fed:
server.register_servlets(
hs,
resource=fed,
authenticator=server.Authenticator(hs),
ratelimiter=FederationRateLimiter(
hs.get_clock(),
window_size=hs.config.federation_rc_window_size,
sleep_limit=hs.config.federation_rc_sleep_limit,
sleep_msec=hs.config.federation_rc_sleep_delay,
reject_limit=hs.config.federation_rc_reject_limit,
concurrent_requests=hs.config.federation_rc_concurrent
),
)
defer.returnValue(hs)
def get_mock_call_args(pattern_func, mock_func):
""" Return the arguments the mock function was called with interpreted
by the pattern functions argument list.
"""
invoked_args, invoked_kargs = mock_func.call_args
return getcallargs(pattern_func, *invoked_args, **invoked_kargs)
def mock_getRawHeaders(headers=None):
headers = headers if headers is not None else {}
def getRawHeaders(name, default=None):
return headers.get(name, default)
return getRawHeaders
# This is a mock /resource/ not an entire server
class MockHttpResource(HttpServer):
def __init__(self, prefix=""):
self.callbacks = [] # 3-tuple of method/pattern/function
self.prefix = prefix
def trigger_get(self, path):
return self.trigger("GET", path, None)
@patch('twisted.web.http.Request')
@defer.inlineCallbacks
def trigger(self, http_method, path, content, mock_request, federation_auth=False):
""" Fire an HTTP event.
Args:
http_method : The HTTP method
path : The HTTP path
content : The HTTP body
mock_request : Mocked request to pass to the event so it can get
content.
Returns:
A tuple of (code, response)
Raises:
KeyError If no event is found which will handle the path.
"""
path = self.prefix + path
# annoyingly we return a twisted http request which has chained calls
# to get at the http content, hence mock it here.
mock_content = Mock()
config = {'read.return_value': content}
mock_content.configure_mock(**config)
mock_request.content = mock_content
mock_request.method = http_method
mock_request.uri = path
mock_request.getClientIP.return_value = "-"
headers = {}
if federation_auth:
headers[b"Authorization"] = ["X-Matrix origin=test,key=,sig="]
mock_request.requestHeaders.getRawHeaders = mock_getRawHeaders(headers)
# return the right path if the event requires it
mock_request.path = path
# add in query params to the right place
try:
mock_request.args = urlparse.parse_qs(path.split('?')[1])
mock_request.path = path.split('?')[0]
path = mock_request.path
except Exception:
pass
for (method, pattern, func) in self.callbacks:
if http_method != method:
continue
matcher = pattern.match(path)
if matcher:
try:
args = [
urlparse.unquote(u).decode("UTF-8")
for u in matcher.groups()
]
(code, response) = yield func(
mock_request,
*args
)
defer.returnValue((code, response))
except CodeMessageException as e:
defer.returnValue((e.code, cs_error(e.msg, code=e.errcode)))
raise KeyError("No event can handle %s" % path)
def register_paths(self, method, path_patterns, callback):
for path_pattern in path_patterns:
self.callbacks.append((method, path_pattern, callback))
class MockKey(object):
alg = "mock_alg"
version = "mock_version"
signature = b"\x9a\x87$"
@property
def verify_key(self):
return self
def sign(self, message):
return self
def verify(self, message, sig):
assert sig == b"\x9a\x87$"
class MockClock(object):
now = 1000
def __init__(self):
# list of lists of [absolute_time, callback, expired] in no particular
# order
self.timers = []
self.loopers = []
def time(self):
return self.now
def time_msec(self):
return self.time() * 1000
def call_later(self, delay, callback, *args, **kwargs):
current_context = LoggingContext.current_context()
def wrapped_callback():
LoggingContext.thread_local.current_context = current_context
callback(*args, **kwargs)
t = [self.now + delay, wrapped_callback, False]
self.timers.append(t)
return t
def looping_call(self, function, interval):
self.loopers.append([function, interval / 1000., self.now])
def cancel_call_later(self, timer, ignore_errs=False):
if timer[2]:
if not ignore_errs:
raise Exception("Cannot cancel an expired timer")
timer[2] = True
self.timers = [t for t in self.timers if t != timer]
# For unit testing
def advance_time(self, secs):
self.now += secs
timers = self.timers
self.timers = []
for t in timers:
time, callback, expired = t
if expired:
raise Exception("Timer already expired")
if self.now >= time:
t[2] = True
callback()
else:
self.timers.append(t)
for looped in self.loopers:
func, interval, last = looped
if last + interval < self.now:
func()
looped[2] = self.now
def advance_time_msec(self, ms):
self.advance_time(ms / 1000.)
def time_bound_deferred(self, d, *args, **kwargs):
# We don't bother timing things out for now.
return d
def _format_call(args, kwargs):
return ", ".join(
["%r" % (a) for a in args] +
["%s=%r" % (k, v) for k, v in kwargs.items()]
)
class DeferredMockCallable(object):
"""A callable instance that stores a set of pending call expectations and
return values for them. It allows a unit test to assert that the given set
of function calls are eventually made, by awaiting on them to be called.
"""
def __init__(self):
self.expectations = []
self.calls = []
def __call__(self, *args, **kwargs):
self.calls.append((args, kwargs))
if not self.expectations:
raise ValueError("%r has no pending calls to handle call(%s)" % (
self, _format_call(args, kwargs))
)
for (call, result, d) in self.expectations:
if args == call[1] and kwargs == call[2]:
d.callback(None)
return result
failure = AssertionError("Was not expecting call(%s)" % (
_format_call(args, kwargs)
))
for _, _, d in self.expectations:
try:
d.errback(failure)
except Exception:
pass
raise failure
def expect_call_and_return(self, call, result):
self.expectations.append((call, result, defer.Deferred()))
@defer.inlineCallbacks
def await_calls(self, timeout=1000):
deferred = defer.DeferredList(
[d for _, _, d in self.expectations],
fireOnOneErrback=True
)
timer = reactor.callLater(
timeout / 1000,
deferred.errback,
AssertionError("%d pending calls left: %s" % (
len([e for e in self.expectations if not e[2].called]),
[e for e in self.expectations if not e[2].called]
))
)
yield deferred
timer.cancel()
self.calls = []
def assert_had_no_calls(self):
if self.calls:
calls = self.calls
self.calls = []
raise AssertionError(
"Expected not to received any calls, got:\n" + "\n".join([
"call(%s)" % _format_call(c[0], c[1]) for c in calls
])
)
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