# -*- coding: utf-8 -*-
# Copyright 2014 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.
from synapse.http.server import HttpServer
from synapse.api.errors import cs_error, CodeMessageException, StoreError
from synapse.api.constants import EventTypes
from synapse.storage.prepare_database import prepare_database
from synapse.storage.engines import create_engine
from synapse.server import HomeServer
from synapse.util.logcontext import LoggingContext
from twisted.internet import defer, reactor
from twisted.enterprise.adbapi import ConnectionPool
from collections import namedtuple
from mock import patch, Mock
import hashlib
import urllib
import urlparse
from inspect import getcallargs
@defer.inlineCallbacks
def setup_test_homeserver(name="test", datastore=None, config=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 config is None:
config = Mock()
config.signing_key = [MockKey()]
config.event_cache_size = 1
config.disable_registration = False
config.macaroon_secret_key = "not even a little secret"
config.server_name = "server.under.test"
if "clock" not in kargs:
kargs["clock"] = MockClock()
if datastore is None:
db_pool = SQLiteMemoryDbPool()
yield db_pool.prepare()
hs = HomeServer(
name, db_pool=db_pool, config=config,
version_string="Synapse/tests",
database_engine=create_engine("sqlite3"),
**kargs
)
else:
hs = HomeServer(
name, db_pool=None, datastore=datastore, config=config,
version_string="Synapse/tests",
database_engine=create_engine("sqlite3"),
**kargs
)
# bcrypt is far too slow to be doing in unit tests
def swap_out_hash_for_testing(old_build_handlers):
def build_handlers():
handlers = old_build_handlers()
auth_handler = handlers.auth_handler
auth_handler.hash = lambda p: hashlib.md5(p).hexdigest()
auth_handler.validate_hash = lambda p, h: hashlib.md5(p).hexdigest() == h
return handlers
return build_handlers
hs.build_handlers = swap_out_hash_for_testing(hs.build_handlers)
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)
# 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):
""" 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 = "-"
mock_request.requestHeaders.getRawHeaders.return_value=[
"X-Matrix origin=test,key=,sig="
]
# 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:
pass
for (method, pattern, func) in self.callbacks:
if http_method != method:
continue
matcher = pattern.match(path)
if matcher:
try:
args = [
urllib.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)))
raise KeyError("No event can handle %s" % path)
def register_path(self, method, path_pattern, callback):
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 = []
def time(self):
return self.now
def time_msec(self):
return self.time() * 1000
def call_later(self, delay, callback):
current_context = LoggingContext.current_context()
def wrapped_callback():
LoggingContext.thread_local.current_context = current_context
callback()
t = [self.now + delay, wrapped_callback, False]
self.timers.append(t)
return t
def looping_call(self, function, interval):
pass
def cancel_call_later(self, timer):
if timer[2]:
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)
def advance_time_msec(self, ms):
self.advance_time(ms / 1000.)
class SQLiteMemoryDbPool(ConnectionPool, object):
def __init__(self):
super(SQLiteMemoryDbPool, self).__init__(
"sqlite3", ":memory:",
cp_min=1,
cp_max=1,
)
def prepare(self):
engine = create_engine("sqlite3")
return self.runWithConnection(
lambda conn: prepare_database(conn, engine)
)
class MemoryDataStore(object):
Room = namedtuple(
"Room",
["room_id", "is_public", "creator"]
)
def __init__(self):
self.tokens_to_users = {}
self.paths_to_content = {}
self.members = {}
self.rooms = {}
self.current_state = {}
self.events = []
class Snapshot(namedtuple("Snapshot", "room_id user_id membership_state")):
def fill_out_prev_events(self, event):
pass
def snapshot_room(self, room_id, user_id, state_type=None, state_key=None):
return self.Snapshot(
room_id, user_id, self.get_room_member(user_id, room_id)
)
def register(self, user_id, token, password_hash):
if user_id in self.tokens_to_users.values():
raise StoreError(400, "User in use.")
self.tokens_to_users[token] = user_id
def get_user_by_access_token(self, token):
try:
return {
"name": self.tokens_to_users[token],
}
except:
raise StoreError(400, "User does not exist.")
def get_room(self, room_id):
try:
return self.rooms[room_id]
except:
return None
def store_room(self, room_id, room_creator_user_id, is_public):
if room_id in self.rooms:
raise StoreError(409, "Conflicting room!")
room = MemoryDataStore.Room(
room_id=room_id,
is_public=is_public,
creator=room_creator_user_id
)
self.rooms[room_id] = room
def get_room_member(self, user_id, room_id):
return self.members.get(room_id, {}).get(user_id)
def get_room_members(self, room_id, membership=None):
if membership:
return [
v for k, v in self.members.get(room_id, {}).items()
if v.membership == membership
]
else:
return self.members.get(room_id, {}).values()
def get_rooms_for_user_where_membership_is(self, user_id, membership_list):
return [
self.members[r].get(user_id) for r in self.members
if user_id in self.members[r] and
self.members[r][user_id].membership in membership_list
]
def get_room_events_stream(self, user_id=None, from_key=None, to_key=None,
limit=0, with_feedback=False):
return ([], from_key) # TODO
def get_joined_hosts_for_room(self, room_id):
return defer.succeed([])
def persist_event(self, event):
if event.type == EventTypes.Member:
room_id = event.room_id
user = event.state_key
membership = event.membership
self.members.setdefault(room_id, {})[user] = event
if hasattr(event, "state_key"):
key = (event.room_id, event.type, event.state_key)
self.current_state[key] = event
self.events.append(event)
def get_current_state(self, room_id, event_type=None, state_key=""):
if event_type:
key = (room_id, event_type, state_key)
if self.current_state.get(key):
return [self.current_state.get(key)]
return None
else:
return [
e for e in self.current_state
if e[0] == room_id
]
def set_presence_state(self, user_localpart, state):
return defer.succeed({"state": 0})
def get_presence_list(self, user_localpart, accepted):
return []
def get_room_events_max_id(self):
return "s0" # TODO (erikj)
def get_send_event_level(self, room_id):
return defer.succeed(0)
def get_power_level(self, room_id, user_id):
return defer.succeed(0)
def get_add_state_level(self, room_id):
return defer.succeed(0)
def get_room_join_rule(self, room_id):
# TODO (erikj): This should be configurable
return defer.succeed("invite")
def get_ops_levels(self, room_id):
return defer.succeed((5, 5, 5))
def insert_client_ip(self, user, access_token, ip, user_agent):
return defer.succeed(None)
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:
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
])
)