diff --git a/changelog.d/2970.feature b/changelog.d/2970.feature
new file mode 100644
index 0000000000..5eb928563f
--- /dev/null
+++ b/changelog.d/2970.feature
@@ -0,0 +1 @@
+add support for the lazy_loaded_members filter as per MSC1227
diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py
index 25346baa87..7e767b9bf5 100644
--- a/synapse/api/filtering.py
+++ b/synapse/api/filtering.py
@@ -113,7 +113,10 @@ ROOM_EVENT_FILTER_SCHEMA = {
},
"contains_url": {
"type": "boolean"
- }
+ },
+ "lazy_load_members": {
+ "type": "boolean"
+ },
}
}
@@ -261,6 +264,9 @@ class FilterCollection(object):
def ephemeral_limit(self):
return self._room_ephemeral_filter.limit()
+ def lazy_load_members(self):
+ return self._room_state_filter.lazy_load_members()
+
def filter_presence(self, events):
return self._presence_filter.filter(events)
@@ -417,6 +423,9 @@ class Filter(object):
def limit(self):
return self.filter_json.get("limit", 10)
+ def lazy_load_members(self):
+ return self.filter_json.get("lazy_load_members", False)
+
def _matches_wildcard(actual_value, filter_value):
if filter_value.endswith("*"):
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index c24e35362a..4ced3144c8 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
-# Copyright 2015 - 2016 OpenMarket Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
+# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -416,29 +417,44 @@ class SyncHandler(object):
))
@defer.inlineCallbacks
- def get_state_after_event(self, event):
+ def get_state_after_event(self, event, types=None, filtered_types=None):
"""
Get the room state after the given event
Args:
event(synapse.events.EventBase): event of interest
+ types(list[(str, str|None)]|None): List of (type, state_key) tuples
+ which are used to filter the state fetched. If `state_key` is None,
+ all events are returned of the given type.
+ May be None, which matches any key.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
A Deferred map from ((type, state_key)->Event)
"""
- state_ids = yield self.store.get_state_ids_for_event(event.event_id)
+ state_ids = yield self.store.get_state_ids_for_event(
+ event.event_id, types, filtered_types=filtered_types,
+ )
if event.is_state():
state_ids = state_ids.copy()
state_ids[(event.type, event.state_key)] = event.event_id
defer.returnValue(state_ids)
@defer.inlineCallbacks
- def get_state_at(self, room_id, stream_position):
+ def get_state_at(self, room_id, stream_position, types=None, filtered_types=None):
""" Get the room state at a particular stream position
Args:
room_id(str): room for which to get state
stream_position(StreamToken): point at which to get state
+ types(list[(str, str|None)]|None): List of (type, state_key) tuples
+ which are used to filter the state fetched. If `state_key` is None,
+ all events are returned of the given type.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
A Deferred map from ((type, state_key)->Event)
@@ -453,7 +469,9 @@ class SyncHandler(object):
if last_events:
last_event = last_events[-1]
- state = yield self.get_state_after_event(last_event)
+ state = yield self.get_state_after_event(
+ last_event, types, filtered_types=filtered_types,
+ )
else:
# no events in this room - so presumably no state
@@ -485,18 +503,42 @@ class SyncHandler(object):
# TODO(mjark) Check for new redactions in the state events.
with Measure(self.clock, "compute_state_delta"):
+
+ types = None
+ lazy_load_members = sync_config.filter_collection.lazy_load_members()
+ filtered_types = None
+
+ if lazy_load_members:
+ # We only request state for the members needed to display the
+ # timeline:
+
+ types = [
+ (EventTypes.Member, state_key)
+ for state_key in set(
+ event.sender # FIXME: we also care about invite targets etc.
+ for event in batch.events
+ )
+ ]
+
+ # only apply the filtering to room members
+ filtered_types = [EventTypes.Member]
+
if full_state:
if batch:
current_state_ids = yield self.store.get_state_ids_for_event(
- batch.events[-1].event_id
+ batch.events[-1].event_id, types=types,
+ filtered_types=filtered_types,
)
state_ids = yield self.store.get_state_ids_for_event(
- batch.events[0].event_id
+ batch.events[0].event_id, types=types,
+ filtered_types=filtered_types,
)
+
else:
current_state_ids = yield self.get_state_at(
- room_id, stream_position=now_token
+ room_id, stream_position=now_token, types=types,
+ filtered_types=filtered_types,
)
state_ids = current_state_ids
@@ -511,18 +553,22 @@ class SyncHandler(object):
timeline_start=state_ids,
previous={},
current=current_state_ids,
+ lazy_load_members=lazy_load_members,
)
elif batch.limited:
state_at_previous_sync = yield self.get_state_at(
- room_id, stream_position=since_token
+ room_id, stream_position=since_token, types=types,
+ filtered_types=filtered_types,
)
current_state_ids = yield self.store.get_state_ids_for_event(
- batch.events[-1].event_id
+ batch.events[-1].event_id, types=types,
+ filtered_types=filtered_types,
)
state_at_timeline_start = yield self.store.get_state_ids_for_event(
- batch.events[0].event_id
+ batch.events[0].event_id, types=types,
+ filtered_types=filtered_types,
)
timeline_state = {
@@ -530,14 +576,35 @@ class SyncHandler(object):
for event in batch.events if event.is_state()
}
+ # TODO: optionally filter out redundant membership events at this
+ # point, to stop repeatedly sending members in every /sync as if
+ # the client isn't tracking them.
+ # When implemented, this should filter using event_ids (not mxids).
+ # In practice, limited syncs are
+ # relatively rare so it's not a total disaster to send redundant
+ # members down at this point. Redundant members are ones which
+ # repeatedly get sent down /sync because we don't know if the client
+ # is caching them or not.
+
state_ids = _calculate_state(
timeline_contains=timeline_state,
timeline_start=state_at_timeline_start,
previous=state_at_previous_sync,
current=current_state_ids,
+ lazy_load_members=lazy_load_members,
)
else:
state_ids = {}
+ if lazy_load_members:
+ # TODO: filter out redundant members based on their mxids (not their
+ # event_ids) at this point. We know we can do it based on mxid as this
+ # is an non-gappy incremental sync.
+
+ if types:
+ state_ids = yield self.store.get_state_ids_for_event(
+ batch.events[0].event_id, types=types,
+ filtered_types=filtered_types,
+ )
state = {}
if state_ids:
@@ -1448,7 +1515,9 @@ def _action_has_highlight(actions):
return False
-def _calculate_state(timeline_contains, timeline_start, previous, current):
+def _calculate_state(
+ timeline_contains, timeline_start, previous, current, lazy_load_members,
+):
"""Works out what state to include in a sync response.
Args:
@@ -1457,6 +1526,9 @@ def _calculate_state(timeline_contains, timeline_start, previous, current):
previous (dict): state at the end of the previous sync (or empty dict
if this is an initial sync)
current (dict): state at the end of the timeline
+ lazy_load_members (bool): whether to return members from timeline_start
+ or not. assumes that timeline_start has already been filtered to
+ include only the members the client needs to know about.
Returns:
dict
@@ -1472,9 +1544,25 @@ def _calculate_state(timeline_contains, timeline_start, previous, current):
}
c_ids = set(e for e in current.values())
- tc_ids = set(e for e in timeline_contains.values())
- p_ids = set(e for e in previous.values())
ts_ids = set(e for e in timeline_start.values())
+ p_ids = set(e for e in previous.values())
+ tc_ids = set(e for e in timeline_contains.values())
+
+ # If we are lazyloading room members, we explicitly add the membership events
+ # for the senders in the timeline into the state block returned by /sync,
+ # as we may not have sent them to the client before. We find these membership
+ # events by filtering them out of timeline_start, which has already been filtered
+ # to only include membership events for the senders in the timeline.
+ # In practice, we can do this by removing them from the p_ids list,
+ # which is the list of relevant state we know we have already sent to the client.
+ # see https://github.com/matrix-org/synapse/pull/2970
+ # /files/efcdacad7d1b7f52f879179701c7e0d9b763511f#r204732809
+
+ if lazy_load_members:
+ p_ids.difference_update(
+ e for t, e in timeline_start.iteritems()
+ if t[0] == EventTypes.Member
+ )
state_ids = ((c_ids | ts_ids) - p_ids) - tc_ids
diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 89a05c4618..86f2c2e6b1 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -186,7 +186,17 @@ class StateGroupWorkerStore(SQLBaseStore):
@defer.inlineCallbacks
def _get_state_groups_from_groups(self, groups, types):
- """Returns dictionary state_group -> (dict of (type, state_key) -> event id)
+ """Returns the state groups for a given set of groups, filtering on
+ types of state events.
+
+ Args:
+ groups(list[int]): list of state group IDs to query
+ types (Iterable[str, str|None]|None): list of 2-tuples of the form
+ (`type`, `state_key`), where a `state_key` of `None` matches all
+ state_keys for the `type`. If None, all types are returned.
+
+ Returns:
+ dictionary state_group -> (dict of (type, state_key) -> event id)
"""
results = {}
@@ -200,8 +210,11 @@ class StateGroupWorkerStore(SQLBaseStore):
defer.returnValue(results)
- def _get_state_groups_from_groups_txn(self, txn, groups, types=None):
+ def _get_state_groups_from_groups_txn(
+ self, txn, groups, types=None,
+ ):
results = {group: {} for group in groups}
+
if types is not None:
types = list(set(types)) # deduplicate types list
@@ -239,7 +252,7 @@ class StateGroupWorkerStore(SQLBaseStore):
# Turns out that postgres doesn't like doing a list of OR's and
# is about 1000x slower, so we just issue a query for each specific
# type seperately.
- if types:
+ if types is not None:
clause_to_args = [
(
"AND type = ? AND state_key = ?",
@@ -278,6 +291,7 @@ class StateGroupWorkerStore(SQLBaseStore):
else:
where_clauses.append("(type = ? AND state_key = ?)")
where_args.extend([typ[0], typ[1]])
+
where_clause = "AND (%s)" % (" OR ".join(where_clauses))
else:
where_clause = ""
@@ -332,16 +346,20 @@ class StateGroupWorkerStore(SQLBaseStore):
return results
@defer.inlineCallbacks
- def get_state_for_events(self, event_ids, types):
+ def get_state_for_events(self, event_ids, types, filtered_types=None):
"""Given a list of event_ids and type tuples, return a list of state
dicts for each event. The state dicts will only have the type/state_keys
that are in the `types` list.
Args:
- event_ids (list)
- types (list): List of (type, state_key) tuples which are used to
- filter the state fetched. `state_key` may be None, which matches
- any `state_key`
+ event_ids (list[string])
+ types (list[(str, str|None)]|None): List of (type, state_key) tuples
+ which are used to filter the state fetched. If `state_key` is None,
+ all events are returned of the given type.
+ May be None, which matches any key.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
deferred: A list of dicts corresponding to the event_ids given.
@@ -352,7 +370,7 @@ class StateGroupWorkerStore(SQLBaseStore):
)
groups = set(itervalues(event_to_groups))
- group_to_state = yield self._get_state_for_groups(groups, types)
+ group_to_state = yield self._get_state_for_groups(groups, types, filtered_types)
state_event_map = yield self.get_events(
[ev_id for sd in itervalues(group_to_state) for ev_id in itervalues(sd)],
@@ -371,15 +389,19 @@ class StateGroupWorkerStore(SQLBaseStore):
defer.returnValue({event: event_to_state[event] for event in event_ids})
@defer.inlineCallbacks
- def get_state_ids_for_events(self, event_ids, types=None):
+ def get_state_ids_for_events(self, event_ids, types=None, filtered_types=None):
"""
Get the state dicts corresponding to a list of events
Args:
event_ids(list(str)): events whose state should be returned
- types(list[(str, str)]|None): List of (type, state_key) tuples
- which are used to filter the state fetched. May be None, which
- matches any key
+ types(list[(str, str|None)]|None): List of (type, state_key) tuples
+ which are used to filter the state fetched. If `state_key` is None,
+ all events are returned of the given type.
+ May be None, which matches any key.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
A deferred dict from event_id -> (type, state_key) -> state_event
@@ -389,7 +411,7 @@ class StateGroupWorkerStore(SQLBaseStore):
)
groups = set(itervalues(event_to_groups))
- group_to_state = yield self._get_state_for_groups(groups, types)
+ group_to_state = yield self._get_state_for_groups(groups, types, filtered_types)
event_to_state = {
event_id: group_to_state[group]
@@ -399,37 +421,45 @@ class StateGroupWorkerStore(SQLBaseStore):
defer.returnValue({event: event_to_state[event] for event in event_ids})
@defer.inlineCallbacks
- def get_state_for_event(self, event_id, types=None):
+ def get_state_for_event(self, event_id, types=None, filtered_types=None):
"""
Get the state dict corresponding to a particular event
Args:
event_id(str): event whose state should be returned
- types(list[(str, str)]|None): List of (type, state_key) tuples
- which are used to filter the state fetched. May be None, which
- matches any key
+ types(list[(str, str|None)]|None): List of (type, state_key) tuples
+ which are used to filter the state fetched. If `state_key` is None,
+ all events are returned of the given type.
+ May be None, which matches any key.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
A deferred dict from (type, state_key) -> state_event
"""
- state_map = yield self.get_state_for_events([event_id], types)
+ state_map = yield self.get_state_for_events([event_id], types, filtered_types)
defer.returnValue(state_map[event_id])
@defer.inlineCallbacks
- def get_state_ids_for_event(self, event_id, types=None):
+ def get_state_ids_for_event(self, event_id, types=None, filtered_types=None):
"""
Get the state dict corresponding to a particular event
Args:
event_id(str): event whose state should be returned
- types(list[(str, str)]|None): List of (type, state_key) tuples
- which are used to filter the state fetched. May be None, which
- matches any key
+ types(list[(str, str|None)]|None): List of (type, state_key) tuples
+ which are used to filter the state fetched. If `state_key` is None,
+ all events are returned of the given type.
+ May be None, which matches any key.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
A deferred dict from (type, state_key) -> state_event
"""
- state_map = yield self.get_state_ids_for_events([event_id], types)
+ state_map = yield self.get_state_ids_for_events([event_id], types, filtered_types)
defer.returnValue(state_map[event_id])
@cached(max_entries=50000)
@@ -460,7 +490,7 @@ class StateGroupWorkerStore(SQLBaseStore):
defer.returnValue({row["event_id"]: row["state_group"] for row in rows})
- def _get_some_state_from_cache(self, group, types):
+ def _get_some_state_from_cache(self, group, types, filtered_types=None):
"""Checks if group is in cache. See `_get_state_for_groups`
Returns 3-tuple (`state_dict`, `missing_types`, `got_all`).
@@ -470,20 +500,33 @@ class StateGroupWorkerStore(SQLBaseStore):
missing state.
Args:
- group: The state group to lookup
- types (list): List of 2-tuples of the form (`type`, `state_key`),
- where a `state_key` of `None` matches all state_keys for the
- `type`.
+ group(int): The state group to lookup
+ types(list[str, str|None]): List of 2-tuples of the form
+ (`type`, `state_key`), where a `state_key` of `None` matches all
+ state_keys for the `type`.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
"""
is_all, known_absent, state_dict_ids = self._state_group_cache.get(group)
type_to_key = {}
+
+ # tracks which of the requested types are missing from our cache
missing_types = set()
for typ, state_key in types:
key = (typ, state_key)
- if state_key is None:
+
+ if (
+ state_key is None or
+ filtered_types is not None and typ not in filtered_types
+ ):
type_to_key[typ] = None
+ # we mark the type as missing from the cache because
+ # when the cache was populated it might have been done with a
+ # restricted set of state_keys, so the wildcard will not work
+ # and the cache may be incomplete.
missing_types.add(key)
else:
if type_to_key.get(typ, object()) is not None:
@@ -497,7 +540,7 @@ class StateGroupWorkerStore(SQLBaseStore):
def include(typ, state_key):
valid_state_keys = type_to_key.get(typ, sentinel)
if valid_state_keys is sentinel:
- return False
+ return filtered_types is not None and typ not in filtered_types
if valid_state_keys is None:
return True
if state_key in valid_state_keys:
@@ -526,7 +569,7 @@ class StateGroupWorkerStore(SQLBaseStore):
return state_dict_ids, is_all
@defer.inlineCallbacks
- def _get_state_for_groups(self, groups, types=None):
+ def _get_state_for_groups(self, groups, types=None, filtered_types=None):
"""Gets the state at each of a list of state groups, optionally
filtering by type/state_key
@@ -540,6 +583,9 @@ class StateGroupWorkerStore(SQLBaseStore):
Otherwise, each entry should be a `(type, state_key)` tuple to
include in the response. A `state_key` of None is a wildcard
meaning that we require all state with that type.
+ filtered_types(list[str]|None): Only apply filtering via `types` to this
+ list of event types. Other types of events are returned unfiltered.
+ If None, `types` filtering is applied to all events.
Returns:
Deferred[dict[int, dict[(type, state_key), EventBase]]]
@@ -552,7 +598,7 @@ class StateGroupWorkerStore(SQLBaseStore):
if types is not None:
for group in set(groups):
state_dict_ids, _, got_all = self._get_some_state_from_cache(
- group, types,
+ group, types, filtered_types
)
results[group] = state_dict_ids
@@ -579,13 +625,13 @@ class StateGroupWorkerStore(SQLBaseStore):
# cache. Hence, if we are doing a wildcard lookup, populate the
# cache fully so that we can do an efficient lookup next time.
- if types and any(k is None for (t, k) in types):
+ if filtered_types or (types and any(k is None for (t, k) in types)):
types_to_fetch = None
else:
types_to_fetch = types
group_to_state_dict = yield self._get_state_groups_from_groups(
- missing_groups, types_to_fetch,
+ missing_groups, types_to_fetch
)
for group, group_state_dict in iteritems(group_to_state_dict):
@@ -595,7 +641,10 @@ class StateGroupWorkerStore(SQLBaseStore):
if types:
for k, v in iteritems(group_state_dict):
(typ, _) = k
- if k in types or (typ, None) in types:
+ if (
+ (k in types or (typ, None) in types) or
+ (filtered_types and typ not in filtered_types)
+ ):
state_dict[k] = v
else:
state_dict.update(group_state_dict)
diff --git a/tests/storage/test_state.py b/tests/storage/test_state.py
new file mode 100644
index 0000000000..b2f314e9db
--- /dev/null
+++ b/tests/storage/test_state.py
@@ -0,0 +1,169 @@
+# -*- coding: utf-8 -*-
+# Copyright 2018 New Vector 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 logging
+
+from twisted.internet import defer
+
+from synapse.api.constants import EventTypes, Membership
+from synapse.types import RoomID, UserID
+
+import tests.unittest
+import tests.utils
+
+logger = logging.getLogger(__name__)
+
+
+class StateStoreTestCase(tests.unittest.TestCase):
+ def __init__(self, *args, **kwargs):
+ super(StateStoreTestCase, self).__init__(*args, **kwargs)
+ self.store = None # type: synapse.storage.DataStore
+
+ @defer.inlineCallbacks
+ def setUp(self):
+ hs = yield tests.utils.setup_test_homeserver()
+
+ self.store = hs.get_datastore()
+ self.event_builder_factory = hs.get_event_builder_factory()
+ self.event_creation_handler = hs.get_event_creation_handler()
+
+ self.u_alice = UserID.from_string("@alice:test")
+ self.u_bob = UserID.from_string("@bob:test")
+
+ self.room = RoomID.from_string("!abc123:test")
+
+ yield self.store.store_room(
+ self.room.to_string(),
+ room_creator_user_id="@creator:text",
+ is_public=True
+ )
+
+ @defer.inlineCallbacks
+ def inject_state_event(self, room, sender, typ, state_key, content):
+ builder = self.event_builder_factory.new({
+ "type": typ,
+ "sender": sender.to_string(),
+ "state_key": state_key,
+ "room_id": room.to_string(),
+ "content": content,
+ })
+
+ event, context = yield self.event_creation_handler.create_new_client_event(
+ builder
+ )
+
+ yield self.store.persist_event(event, context)
+
+ defer.returnValue(event)
+
+ def assertStateMapEqual(self, s1, s2):
+ for t in s1:
+ # just compare event IDs for simplicity
+ self.assertEqual(s1[t].event_id, s2[t].event_id)
+ self.assertEqual(len(s1), len(s2))
+
+ @defer.inlineCallbacks
+ def test_get_state_for_event(self):
+
+ # this defaults to a linear DAG as each new injection defaults to whatever
+ # forward extremities are currently in the DB for this room.
+ e1 = yield self.inject_state_event(
+ self.room, self.u_alice, EventTypes.Create, '', {},
+ )
+ e2 = yield self.inject_state_event(
+ self.room, self.u_alice, EventTypes.Name, '', {
+ "name": "test room"
+ },
+ )
+ e3 = yield self.inject_state_event(
+ self.room, self.u_alice, EventTypes.Member, self.u_alice.to_string(), {
+ "membership": Membership.JOIN
+ },
+ )
+ e4 = yield self.inject_state_event(
+ self.room, self.u_bob, EventTypes.Member, self.u_bob.to_string(), {
+ "membership": Membership.JOIN
+ },
+ )
+ e5 = yield self.inject_state_event(
+ self.room, self.u_bob, EventTypes.Member, self.u_bob.to_string(), {
+ "membership": Membership.LEAVE
+ },
+ )
+
+ # check we get the full state as of the final event
+ state = yield self.store.get_state_for_event(
+ e5.event_id, None, filtered_types=None
+ )
+
+ self.assertIsNotNone(e4)
+
+ self.assertStateMapEqual({
+ (e1.type, e1.state_key): e1,
+ (e2.type, e2.state_key): e2,
+ (e3.type, e3.state_key): e3,
+ # e4 is overwritten by e5
+ (e5.type, e5.state_key): e5,
+ }, state)
+
+ # check we can filter to the m.room.name event (with a '' state key)
+ state = yield self.store.get_state_for_event(
+ e5.event_id, [(EventTypes.Name, '')], filtered_types=None
+ )
+
+ self.assertStateMapEqual({
+ (e2.type, e2.state_key): e2,
+ }, state)
+
+ # check we can filter to the m.room.name event (with a wildcard None state key)
+ state = yield self.store.get_state_for_event(
+ e5.event_id, [(EventTypes.Name, None)], filtered_types=None
+ )
+
+ self.assertStateMapEqual({
+ (e2.type, e2.state_key): e2,
+ }, state)
+
+ # check we can grab the m.room.member events (with a wildcard None state key)
+ state = yield self.store.get_state_for_event(
+ e5.event_id, [(EventTypes.Member, None)], filtered_types=None
+ )
+
+ self.assertStateMapEqual({
+ (e3.type, e3.state_key): e3,
+ (e5.type, e5.state_key): e5,
+ }, state)
+
+ # check we can use filter_types to grab a specific room member
+ # without filtering out the other event types
+ state = yield self.store.get_state_for_event(
+ e5.event_id, [(EventTypes.Member, self.u_alice.to_string())],
+ filtered_types=[EventTypes.Member],
+ )
+
+ self.assertStateMapEqual({
+ (e1.type, e1.state_key): e1,
+ (e2.type, e2.state_key): e2,
+ (e3.type, e3.state_key): e3,
+ }, state)
+
+ state = yield self.store.get_state_for_event(
+ e5.event_id, [], filtered_types=[EventTypes.Member],
+ )
+
+ self.assertStateMapEqual({
+ (e1.type, e1.state_key): e1,
+ (e2.type, e2.state_key): e2,
+ }, state)
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