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synapse/tests/storage/test_state.py
2022-05-31 12:17:50 +00:00

1103 lines
38 KiB
Python

# 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 logging
from frozendict import frozendict
from synapse.api.constants import EventTypes, Membership
from synapse.api.room_versions import RoomVersions
from synapse.storage.state import StateFilter
from synapse.types import RoomID, UserID
from tests.unittest import HomeserverTestCase, TestCase
logger = logging.getLogger(__name__)
class StateStoreTestCase(HomeserverTestCase):
def prepare(self, reactor, clock, hs):
self.store = hs.get_datastores().main
self.storage = hs.get_storage_controllers()
self.state_datastore = self.storage.state.stores.state
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")
self.get_success(
self.store.store_room(
self.room.to_string(),
room_creator_user_id="@creator:text",
is_public=True,
room_version=RoomVersions.V1,
)
)
def inject_state_event(self, room, sender, typ, state_key, content):
builder = self.event_builder_factory.for_room_version(
RoomVersions.V1,
{
"type": typ,
"sender": sender.to_string(),
"state_key": state_key,
"room_id": room.to_string(),
"content": content,
},
)
event, context = self.get_success(
self.event_creation_handler.create_new_client_event(builder)
)
self.get_success(self.storage.persistence.persist_event(event, context))
return 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))
def test_get_state_groups_ids(self):
e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {})
e2 = self.inject_state_event(
self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"}
)
state_group_map = self.get_success(
self.storage.state.get_state_groups_ids(self.room, [e2.event_id])
)
self.assertEqual(len(state_group_map), 1)
state_map = list(state_group_map.values())[0]
self.assertDictEqual(
state_map,
{(EventTypes.Create, ""): e1.event_id, (EventTypes.Name, ""): e2.event_id},
)
def test_get_state_groups(self):
e1 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {})
e2 = self.inject_state_event(
self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"}
)
state_group_map = self.get_success(
self.storage.state.get_state_groups(self.room, [e2.event_id])
)
self.assertEqual(len(state_group_map), 1)
state_list = list(state_group_map.values())[0]
self.assertEqual({ev.event_id for ev in state_list}, {e1.event_id, e2.event_id})
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 = self.inject_state_event(self.room, self.u_alice, EventTypes.Create, "", {})
e2 = self.inject_state_event(
self.room, self.u_alice, EventTypes.Name, "", {"name": "test room"}
)
e3 = self.inject_state_event(
self.room,
self.u_alice,
EventTypes.Member,
self.u_alice.to_string(),
{"membership": Membership.JOIN},
)
e4 = self.inject_state_event(
self.room,
self.u_bob,
EventTypes.Member,
self.u_bob.to_string(),
{"membership": Membership.JOIN},
)
e5 = 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 = self.get_success(self.storage.state.get_state_for_event(e5.event_id))
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 = self.get_success(
self.storage.state.get_state_for_event(
e5.event_id, StateFilter.from_types([(EventTypes.Name, "")])
)
)
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 = self.get_success(
self.storage.state.get_state_for_event(
e5.event_id, StateFilter.from_types([(EventTypes.Name, 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 = self.get_success(
self.storage.state.get_state_for_event(
e5.event_id, StateFilter.from_types([(EventTypes.Member, None)])
)
)
self.assertStateMapEqual(
{(e3.type, e3.state_key): e3, (e5.type, e5.state_key): e5}, state
)
# check we can grab a specific room member without filtering out the
# other event types
state = self.get_success(
self.storage.state.get_state_for_event(
e5.event_id,
state_filter=StateFilter(
types=frozendict(
{EventTypes.Member: frozenset({self.u_alice.to_string()})}
),
include_others=True,
),
)
)
self.assertStateMapEqual(
{
(e1.type, e1.state_key): e1,
(e2.type, e2.state_key): e2,
(e3.type, e3.state_key): e3,
},
state,
)
# check that we can grab everything except members
state = self.get_success(
self.storage.state.get_state_for_event(
e5.event_id,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset()}),
include_others=True,
),
)
)
self.assertStateMapEqual(
{(e1.type, e1.state_key): e1, (e2.type, e2.state_key): e2}, state
)
#######################################################
# _get_state_for_group_using_cache tests against a full cache
#######################################################
room_id = self.room.to_string()
group_ids = self.get_success(
self.storage.state.get_state_groups_ids(room_id, [e5.event_id])
)
group = list(group_ids.keys())[0]
# test _get_state_for_group_using_cache correctly filters out members
# with types=[]
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset()}), include_others=True
),
)
self.assertEqual(is_all, True)
self.assertDictEqual(
{
(e1.type, e1.state_key): e1.event_id,
(e2.type, e2.state_key): e2.event_id,
},
state_dict,
)
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset()}), include_others=True
),
)
self.assertEqual(is_all, True)
self.assertDictEqual({}, state_dict)
# test _get_state_for_group_using_cache correctly filters in members
# with wildcard types
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: None}), include_others=True
),
)
self.assertEqual(is_all, True)
self.assertDictEqual(
{
(e1.type, e1.state_key): e1.event_id,
(e2.type, e2.state_key): e2.event_id,
},
state_dict,
)
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: None}), include_others=True
),
)
self.assertEqual(is_all, True)
self.assertDictEqual(
{
(e3.type, e3.state_key): e3.event_id,
# e4 is overwritten by e5
(e5.type, e5.state_key): e5.event_id,
},
state_dict,
)
# test _get_state_for_group_using_cache correctly filters in members
# with specific types
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=True,
),
)
self.assertEqual(is_all, True)
self.assertDictEqual(
{
(e1.type, e1.state_key): e1.event_id,
(e2.type, e2.state_key): e2.event_id,
},
state_dict,
)
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=True,
),
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
# test _get_state_for_group_using_cache correctly filters in members
# with specific types
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=False,
),
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
#######################################################
# deliberately remove e2 (room name) from the _state_group_cache
cache_entry = self.state_datastore._state_group_cache.get(group)
state_dict_ids = cache_entry.value
self.assertEqual(cache_entry.full, True)
self.assertEqual(cache_entry.known_absent, set())
self.assertDictEqual(
state_dict_ids,
{
(e1.type, e1.state_key): e1.event_id,
(e2.type, e2.state_key): e2.event_id,
},
)
state_dict_ids.pop((e2.type, e2.state_key))
self.state_datastore._state_group_cache.invalidate(group)
self.state_datastore._state_group_cache.update(
sequence=self.state_datastore._state_group_cache.sequence,
key=group,
value=state_dict_ids,
# list fetched keys so it knows it's partial
fetched_keys=((e1.type, e1.state_key),),
)
cache_entry = self.state_datastore._state_group_cache.get(group)
state_dict_ids = cache_entry.value
self.assertEqual(cache_entry.full, False)
self.assertEqual(cache_entry.known_absent, {(e1.type, e1.state_key)})
self.assertDictEqual(state_dict_ids, {(e1.type, e1.state_key): e1.event_id})
############################################
# test that things work with a partial cache
# test _get_state_for_group_using_cache correctly filters out members
# with types=[]
room_id = self.room.to_string()
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset()}), include_others=True
),
)
self.assertEqual(is_all, False)
self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
room_id = self.room.to_string()
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset()}), include_others=True
),
)
self.assertEqual(is_all, True)
self.assertDictEqual({}, state_dict)
# test _get_state_for_group_using_cache correctly filters in members
# wildcard types
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: None}), include_others=True
),
)
self.assertEqual(is_all, False)
self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: None}), include_others=True
),
)
self.assertEqual(is_all, True)
self.assertDictEqual(
{
(e3.type, e3.state_key): e3.event_id,
(e5.type, e5.state_key): e5.event_id,
},
state_dict,
)
# test _get_state_for_group_using_cache correctly filters in members
# with specific types
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=True,
),
)
self.assertEqual(is_all, False)
self.assertDictEqual({(e1.type, e1.state_key): e1.event_id}, state_dict)
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=True,
),
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
# test _get_state_for_group_using_cache correctly filters in members
# with specific types
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=False,
),
)
self.assertEqual(is_all, False)
self.assertDictEqual({}, state_dict)
(state_dict, is_all,) = self.state_datastore._get_state_for_group_using_cache(
self.state_datastore._state_group_members_cache,
group,
state_filter=StateFilter(
types=frozendict({EventTypes.Member: frozenset({e5.state_key})}),
include_others=False,
),
)
self.assertEqual(is_all, True)
self.assertDictEqual({(e5.type, e5.state_key): e5.event_id}, state_dict)
class StateFilterDifferenceTestCase(TestCase):
def assert_difference(
self, minuend: StateFilter, subtrahend: StateFilter, expected: StateFilter
):
self.assertEqual(
minuend.approx_difference(subtrahend),
expected,
f"StateFilter difference not correct:\n\n\t{minuend!r}\nminus\n\t{subtrahend!r}\nwas\n\t{minuend.approx_difference(subtrahend)}\nexpected\n\t{expected}",
)
def test_state_filter_difference_no_include_other_minus_no_include_other(self):
"""
Tests the StateFilter.approx_difference method
where, in a.approx_difference(b), both a and b do not have the
include_others flag set.
"""
# (wildcard on state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.Create: None},
include_others=False,
),
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.CanonicalAlias: None},
include_others=False,
),
StateFilter.freeze({EventTypes.Create: None}, include_others=False),
)
# (wildcard on state keys) - (specific state keys)
# This one is an over-approximation because we can't represent
# 'all state keys except a few named examples'
self.assert_difference(
StateFilter.freeze({EventTypes.Member: None}, include_others=False),
StateFilter.freeze(
{EventTypes.Member: {"@wombat:spqr"}},
include_others=False,
),
StateFilter.freeze({EventTypes.Member: None}, include_others=False),
)
# (wildcard on state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=False,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
)
# (specific state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
StateFilter.freeze(
{EventTypes.CanonicalAlias: {""}},
include_others=False,
),
)
# (specific state keys) - (specific state keys)
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr"},
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: {"@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
)
# (specific state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
)
def test_state_filter_difference_include_other_minus_no_include_other(self):
"""
Tests the StateFilter.approx_difference method
where, in a.approx_difference(b), only a has the include_others flag set.
"""
# (wildcard on state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.Create: None},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.CanonicalAlias: None},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Create: None,
EventTypes.Member: set(),
EventTypes.CanonicalAlias: set(),
},
include_others=True,
),
)
# (wildcard on state keys) - (specific state keys)
# This one is an over-approximation because we can't represent
# 'all state keys except a few named examples'
# This also shows that the resultant state filter is normalised.
self.assert_difference(
StateFilter.freeze({EventTypes.Member: None}, include_others=True),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr"},
EventTypes.Create: {""},
},
include_others=False,
),
StateFilter(types=frozendict(), include_others=True),
)
# (wildcard on state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=False,
),
StateFilter(
types=frozendict(),
include_others=True,
),
)
# (specific state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.CanonicalAlias: {""},
EventTypes.Member: set(),
},
include_others=True,
),
)
# (specific state keys) - (specific state keys)
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr"},
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: {"@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
)
# (specific state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
)
def test_state_filter_difference_include_other_minus_include_other(self):
"""
Tests the StateFilter.approx_difference method
where, in a.approx_difference(b), both a and b have the include_others
flag set.
"""
# (wildcard on state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.Create: None},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.CanonicalAlias: None},
include_others=True,
),
StateFilter(types=frozendict(), include_others=False),
)
# (wildcard on state keys) - (specific state keys)
# This one is an over-approximation because we can't represent
# 'all state keys except a few named examples'
self.assert_difference(
StateFilter.freeze({EventTypes.Member: None}, include_others=True),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.CanonicalAlias: None},
include_others=False,
),
)
# (wildcard on state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
)
# (specific state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=True,
),
StateFilter(
types=frozendict(),
include_others=False,
),
)
# (specific state keys) - (specific state keys)
# This one is an over-approximation because we can't represent
# 'all state keys except a few named examples'
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
EventTypes.Create: {""},
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr"},
EventTypes.Create: set(),
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: {"@spqr:spqr"},
EventTypes.Create: {""},
},
include_others=False,
),
)
# (specific state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
},
include_others=False,
),
)
def test_state_filter_difference_no_include_other_minus_include_other(self):
"""
Tests the StateFilter.approx_difference method
where, in a.approx_difference(b), only b has the include_others flag set.
"""
# (wildcard on state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.Create: None},
include_others=False,
),
StateFilter.freeze(
{EventTypes.Member: None, EventTypes.CanonicalAlias: None},
include_others=True,
),
StateFilter(types=frozendict(), include_others=False),
)
# (wildcard on state keys) - (specific state keys)
# This one is an over-approximation because we can't represent
# 'all state keys except a few named examples'
self.assert_difference(
StateFilter.freeze({EventTypes.Member: None}, include_others=False),
StateFilter.freeze(
{EventTypes.Member: {"@wombat:spqr"}},
include_others=True,
),
StateFilter.freeze({EventTypes.Member: None}, include_others=False),
)
# (wildcard on state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=True,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
)
# (specific state keys) - (wildcard on state keys):
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=True,
),
StateFilter(
types=frozendict(),
include_others=False,
),
)
# (specific state keys) - (specific state keys)
# This one is an over-approximation because we can't represent
# 'all state keys except a few named examples'
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr"},
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: {"@spqr:spqr"},
},
include_others=False,
),
)
# (specific state keys) - (no state keys)
self.assert_difference(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
EventTypes.CanonicalAlias: {""},
},
include_others=False,
),
StateFilter.freeze(
{
EventTypes.Member: set(),
},
include_others=True,
),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:spqr", "@spqr:spqr"},
},
include_others=False,
),
)
def test_state_filter_difference_simple_cases(self):
"""
Tests some very simple cases of the StateFilter approx_difference,
that are not explicitly tested by the more in-depth tests.
"""
self.assert_difference(StateFilter.all(), StateFilter.all(), StateFilter.none())
self.assert_difference(
StateFilter.all(),
StateFilter.none(),
StateFilter.all(),
)
class StateFilterTestCase(TestCase):
def test_return_expanded(self):
"""
Tests the behaviour of the return_expanded() function that expands
StateFilters to include more state types (for the sake of cache hit rate).
"""
self.assertEqual(StateFilter.all().return_expanded(), StateFilter.all())
self.assertEqual(StateFilter.none().return_expanded(), StateFilter.none())
# Concrete-only state filters stay the same
# (Case: mixed filter)
self.assertEqual(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:test", "@alicia:test"},
"some.other.state.type": {""},
},
include_others=False,
).return_expanded(),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:test", "@alicia:test"},
"some.other.state.type": {""},
},
include_others=False,
),
)
# Concrete-only state filters stay the same
# (Case: non-member-only filter)
self.assertEqual(
StateFilter.freeze(
{"some.other.state.type": {""}}, include_others=False
).return_expanded(),
StateFilter.freeze({"some.other.state.type": {""}}, include_others=False),
)
# Concrete-only state filters stay the same
# (Case: member-only filter)
self.assertEqual(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:test", "@alicia:test"},
},
include_others=False,
).return_expanded(),
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:test", "@alicia:test"},
},
include_others=False,
),
)
# Wildcard member-only state filters stay the same
self.assertEqual(
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
).return_expanded(),
StateFilter.freeze(
{EventTypes.Member: None},
include_others=False,
),
)
# If there is a wildcard in the non-member portion of the filter,
# it's expanded to include ALL non-member events.
# (Case: mixed filter)
self.assertEqual(
StateFilter.freeze(
{
EventTypes.Member: {"@wombat:test", "@alicia:test"},
"some.other.state.type": None,
},
include_others=False,
).return_expanded(),
StateFilter.freeze(
{EventTypes.Member: {"@wombat:test", "@alicia:test"}},
include_others=True,
),
)
# If there is a wildcard in the non-member portion of the filter,
# it's expanded to include ALL non-member events.
# (Case: non-member-only filter)
self.assertEqual(
StateFilter.freeze(
{
"some.other.state.type": None,
},
include_others=False,
).return_expanded(),
StateFilter.freeze({EventTypes.Member: set()}, include_others=True),
)
self.assertEqual(
StateFilter.freeze(
{
"some.other.state.type": None,
"yet.another.state.type": {"wombat"},
},
include_others=False,
).return_expanded(),
StateFilter.freeze({EventTypes.Member: set()}, include_others=True),
)