forked-synapse/tests/unittest.py

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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector
#
# 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 gc
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import hashlib
import hmac
import logging
import time
from mock import Mock
from canonicaljson import json
from twisted.internet.defer import Deferred, succeed
from twisted.python.threadpool import ThreadPool
from twisted.trial import unittest
from synapse.api.constants import EventTypes
from synapse.config.homeserver import HomeServerConfig
from synapse.http.server import JsonResource
from synapse.http.site import SynapseRequest
from synapse.logging.context import LoggingContext
from synapse.server import HomeServer
from synapse.types import Requester, UserID, create_requester
from tests.server import get_clock, make_request, render, setup_test_homeserver
from tests.test_utils.logging_setup import setup_logging
from tests.utils import default_config, setupdb
setupdb()
setup_logging()
def around(target):
"""A CLOS-style 'around' modifier, which wraps the original method of the
given instance with another piece of code.
@around(self)
def method_name(orig, *args, **kwargs):
return orig(*args, **kwargs)
"""
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def _around(code):
name = code.__name__
orig = getattr(target, name)
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def new(*args, **kwargs):
return code(orig, *args, **kwargs)
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setattr(target, name, new)
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return _around
class TestCase(unittest.TestCase):
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"""A subclass of twisted.trial's TestCase which looks for 'loglevel'
attributes on both itself and its individual test methods, to override the
root logger's logging level while that test (case|method) runs."""
def __init__(self, methodName, *args, **kwargs):
super(TestCase, self).__init__(methodName, *args, **kwargs)
method = getattr(self, methodName)
level = getattr(method, "loglevel", getattr(self, "loglevel", None))
@around(self)
def setUp(orig):
# if we're not starting in the sentinel logcontext, then to be honest
# all future bets are off.
if LoggingContext.current_context() is not LoggingContext.sentinel:
self.fail(
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"Test starting with non-sentinel logging context %s"
% (LoggingContext.current_context(),)
)
old_level = logging.getLogger().level
if level is not None and old_level != level:
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@around(self)
def tearDown(orig):
ret = orig()
logging.getLogger().setLevel(old_level)
return ret
logging.getLogger().setLevel(level)
return orig()
@around(self)
def tearDown(orig):
ret = orig()
# force a GC to workaround problems with deferreds leaking logcontexts when
# they are GCed (see the logcontext docs)
gc.collect()
LoggingContext.set_current_context(LoggingContext.sentinel)
return ret
def assertObjectHasAttributes(self, attrs, obj):
"""Asserts that the given object has each of the attributes given, and
that the value of each matches according to assertEquals."""
for (key, value) in attrs.items():
if not hasattr(obj, key):
raise AssertionError("Expected obj to have a '.%s'" % key)
try:
self.assertEquals(attrs[key], getattr(obj, key))
except AssertionError as e:
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raise (type(e))(e.message + " for '.%s'" % key)
def assert_dict(self, required, actual):
"""Does a partial assert of a dict.
Args:
required (dict): The keys and value which MUST be in 'actual'.
actual (dict): The test result. Extra keys will not be checked.
"""
for key in required:
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self.assertEquals(
required[key], actual[key], msg="%s mismatch. %s" % (key, actual)
)
def DEBUG(target):
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"""A decorator to set the .loglevel attribute to logging.DEBUG.
Can apply to either a TestCase or an individual test method."""
target.loglevel = logging.DEBUG
return target
def INFO(target):
"""A decorator to set the .loglevel attribute to logging.INFO.
Can apply to either a TestCase or an individual test method."""
target.loglevel = logging.INFO
return target
class HomeserverTestCase(TestCase):
"""
A base TestCase that reduces boilerplate for HomeServer-using test cases.
Defines a setUp method which creates a mock reactor, and instantiates a homeserver
running on that reactor.
There are various hooks for modifying the way that the homeserver is instantiated:
* override make_homeserver, for example by making it pass different parameters into
setup_test_homeserver.
* override default_config, to return a modified configuration dictionary for use
by setup_test_homeserver.
* On a per-test basis, you can use the @override_config decorator to give a
dictionary containing additional configuration settings to be added to the basic
config dict.
Attributes:
servlets (list[function]): List of servlet registration function.
user_id (str): The user ID to assume if auth is hijacked.
hijack_auth (bool): Whether to hijack auth to return the user specified
in user_id.
"""
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servlets = []
hijack_auth = True
needs_threadpool = False
def __init__(self, methodName, *args, **kwargs):
super().__init__(methodName, *args, **kwargs)
# see if we have any additional config for this test
method = getattr(self, methodName)
self._extra_config = getattr(method, "_extra_config", None)
def setUp(self):
"""
Set up the TestCase by calling the homeserver constructor, optionally
hijacking the authentication system to return a fixed user, and then
calling the prepare function.
"""
self.reactor, self.clock = get_clock()
self._hs_args = {"clock": self.clock, "reactor": self.reactor}
self.hs = self.make_homeserver(self.reactor, self.clock)
if self.hs is None:
raise Exception("No homeserver returned from make_homeserver.")
if not isinstance(self.hs, HomeServer):
raise Exception("A homeserver wasn't returned, but %r" % (self.hs,))
# Register the resources
self.resource = self.create_test_json_resource()
from tests.rest.client.v1.utils import RestHelper
self.helper = RestHelper(self.hs, self.resource, getattr(self, "user_id", None))
if hasattr(self, "user_id"):
if self.hijack_auth:
def get_user_by_access_token(token=None, allow_guest=False):
return succeed(
{
"user": UserID.from_string(self.helper.auth_user_id),
"token_id": 1,
"is_guest": False,
}
)
def get_user_by_req(request, allow_guest=False, rights="access"):
return succeed(
create_requester(
UserID.from_string(self.helper.auth_user_id), 1, False, None
)
)
self.hs.get_auth().get_user_by_req = get_user_by_req
self.hs.get_auth().get_user_by_access_token = get_user_by_access_token
self.hs.get_auth().get_access_token_from_request = Mock(
return_value="1234"
)
if self.needs_threadpool:
self.reactor.threadpool = ThreadPool()
self.addCleanup(self.reactor.threadpool.stop)
self.reactor.threadpool.start()
if hasattr(self, "prepare"):
self.prepare(self.reactor, self.clock, self.hs)
def wait_on_thread(self, deferred, timeout=10):
"""
Wait until a Deferred is done, where it's waiting on a real thread.
"""
start_time = time.time()
while not deferred.called:
if start_time + timeout < time.time():
raise ValueError("Timed out waiting for threadpool")
self.reactor.advance(0.01)
time.sleep(0.01)
def make_homeserver(self, reactor, clock):
"""
Make and return a homeserver.
Args:
reactor: A Twisted Reactor, or something that pretends to be one.
clock (synapse.util.Clock): The Clock, associated with the reactor.
Returns:
A homeserver (synapse.server.HomeServer) suitable for testing.
Function to be overridden in subclasses.
"""
hs = self.setup_test_homeserver()
return hs
def create_test_json_resource(self):
"""
Create a test JsonResource, with the relevant servlets registerd to it
The default implementation calls each function in `servlets` to do the
registration.
Returns:
JsonResource:
"""
resource = JsonResource(self.hs)
for servlet in self.servlets:
servlet(self.hs, resource)
return resource
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def default_config(self, name="test"):
"""
Get a default HomeServer config dict.
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Args:
name (str): The homeserver name/domain.
"""
config = default_config(name)
# apply any additional config which was specified via the override_config
# decorator.
if self._extra_config is not None:
config.update(self._extra_config)
return config
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def prepare(self, reactor, clock, homeserver):
"""
Prepare for the test. This involves things like mocking out parts of
the homeserver, or building test data common across the whole test
suite.
Args:
reactor: A Twisted Reactor, or something that pretends to be one.
clock (synapse.util.Clock): The Clock, associated with the reactor.
homeserver (synapse.server.HomeServer): The HomeServer to test
against.
Function to optionally be overridden in subclasses.
"""
def make_request(
self,
method,
path,
content=b"",
access_token=None,
request=SynapseRequest,
shorthand=True,
federation_auth_origin=None,
):
"""
Create a SynapseRequest at the path using the method and containing the
given content.
Args:
method (bytes/unicode): The HTTP request method ("verb").
path (bytes/unicode): The HTTP path, suitably URL encoded (e.g.
escaped UTF-8 & spaces and such).
content (bytes or dict): The body of the request. JSON-encoded, if
a dict.
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 (bytes|None): if set to not-None, we will add a fake
Authorization header pretenting to be the given server name.
Returns:
Tuple[synapse.http.site.SynapseRequest, channel]
"""
if isinstance(content, dict):
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content = json.dumps(content).encode("utf8")
return make_request(
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self.reactor,
method,
path,
content,
access_token,
request,
shorthand,
federation_auth_origin,
)
def render(self, request):
"""
Render a request against the resources registered by the test class's
servlets.
Args:
request (synapse.http.site.SynapseRequest): The request to render.
"""
render(request, self.resource, self.reactor)
def setup_test_homeserver(self, *args, **kwargs):
"""
Set up the test homeserver, meant to be called by the overridable
make_homeserver. It automatically passes through the test class's
clock & reactor.
Args:
See tests.utils.setup_test_homeserver.
Returns:
synapse.server.HomeServer
"""
kwargs = dict(kwargs)
kwargs.update(self._hs_args)
if "config" not in kwargs:
config = self.default_config()
else:
config = kwargs["config"]
# Parse the config from a config dict into a HomeServerConfig
config_obj = HomeServerConfig()
config_obj.parse_config_dict(config, "", "")
kwargs["config"] = config_obj
hs = setup_test_homeserver(self.addCleanup, *args, **kwargs)
stor = hs.get_datastore()
# Run the database background updates.
if hasattr(stor, "do_next_background_update"):
while not self.get_success(stor.has_completed_background_updates()):
self.get_success(stor.do_next_background_update(1))
return hs
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def pump(self, by=0.0):
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"""
Pump the reactor enough that Deferreds will fire.
"""
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self.reactor.pump([by] * 100)
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def get_success(self, d, by=0.0):
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if not isinstance(d, Deferred):
return d
self.pump(by=by)
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return self.successResultOf(d)
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def get_failure(self, d, exc):
"""
Run a Deferred and get a Failure from it. The failure must be of the type `exc`.
"""
if not isinstance(d, Deferred):
return d
self.pump()
return self.failureResultOf(d, exc)
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def register_user(self, username, password, admin=False):
"""
Register a user. Requires the Admin API be registered.
Args:
username (bytes/unicode): The user part of the new user.
password (bytes/unicode): The password of the new user.
admin (bool): Whether the user should be created as an admin
or not.
Returns:
The MXID of the new user (unicode).
"""
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self.hs.config.registration_shared_secret = "shared"
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# Create the user
request, channel = self.make_request("GET", "/_matrix/client/r0/admin/register")
self.render(request)
self.assertEqual(channel.code, 200)
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nonce = channel.json_body["nonce"]
want_mac = hmac.new(key=b"shared", digestmod=hashlib.sha1)
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nonce_str = b"\x00".join([username.encode("utf8"), password.encode("utf8")])
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if admin:
nonce_str += b"\x00admin"
else:
nonce_str += b"\x00notadmin"
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want_mac.update(nonce.encode("ascii") + b"\x00" + nonce_str)
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want_mac = want_mac.hexdigest()
body = json.dumps(
{
"nonce": nonce,
"username": username,
"password": password,
"admin": admin,
"mac": want_mac,
}
)
request, channel = self.make_request(
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"POST", "/_matrix/client/r0/admin/register", body.encode("utf8")
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)
self.render(request)
self.assertEqual(channel.code, 200, channel.json_body)
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user_id = channel.json_body["user_id"]
return user_id
def login(self, username, password, device_id=None):
"""
Log in a user, and get an access token. Requires the Login API be
registered.
"""
body = {"type": "m.login.password", "user": username, "password": password}
if device_id:
body["device_id"] = device_id
request, channel = self.make_request(
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"POST", "/_matrix/client/r0/login", json.dumps(body).encode("utf8")
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)
self.render(request)
self.assertEqual(channel.code, 200, channel.result)
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access_token = channel.json_body["access_token"]
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return access_token
def create_and_send_event(
self, room_id, user, soft_failed=False, prev_event_ids=None
):
"""
Create and send an event.
Args:
soft_failed (bool): Whether to create a soft failed event or not
prev_event_ids (list[str]|None): Explicitly set the prev events,
or if None just use the default
Returns:
str: The new event's ID.
"""
event_creator = self.hs.get_event_creation_handler()
secrets = self.hs.get_secrets()
requester = Requester(user, None, False, None, None)
prev_events_and_hashes = None
if prev_event_ids:
prev_events_and_hashes = [[p, {}, 0] for p in prev_event_ids]
event, context = self.get_success(
event_creator.create_event(
requester,
{
"type": EventTypes.Message,
"room_id": room_id,
"sender": user.to_string(),
"content": {"body": secrets.token_hex(), "msgtype": "m.text"},
},
prev_events_and_hashes=prev_events_and_hashes,
)
)
if soft_failed:
event.internal_metadata.soft_failed = True
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self.get_success(event_creator.send_nonmember_event(requester, event, context))
return event.event_id
def add_extremity(self, room_id, event_id):
"""
Add the given event as an extremity to the room.
"""
self.get_success(
self.hs.get_datastore()._simple_insert(
table="event_forward_extremities",
values={"room_id": room_id, "event_id": event_id},
desc="test_add_extremity",
)
)
self.hs.get_datastore().get_latest_event_ids_in_room.invalidate((room_id,))
def attempt_wrong_password_login(self, username, password):
"""Attempts to login as the user with the given password, asserting
that the attempt *fails*.
"""
body = {"type": "m.login.password", "user": username, "password": password}
request, channel = self.make_request(
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"POST", "/_matrix/client/r0/login", json.dumps(body).encode("utf8")
)
self.render(request)
self.assertEqual(channel.code, 403, channel.result)
def override_config(extra_config):
"""A decorator which can be applied to test functions to give additional HS config
For use
For example:
class MyTestCase(HomeserverTestCase):
@override_config({"enable_registration": False, ...})
def test_foo(self):
...
Args:
extra_config(dict): Additional config settings to be merged into the default
config dict before instantiating the test homeserver.
"""
def decorator(func):
func._extra_config = extra_config
return func
return decorator