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# Copyright 2022 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.
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.constants import MAIN_TIMELINE
from synapse.server import HomeServer
from synapse.util import Clock
from tests import unittest
class RelationsStoreTestCase(unittest.HomeserverTestCase):
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
"""
Creates a DAG:
A <---[m.thread]-- B <--[m.annotation]-- C
^
|--[m.reference]-- D <--[m.annotation]-- E
F <--[m.annotation]-- G
"""
self._main_store = self.hs.get_datastores().main
self._create_relation("A", "B", "m.thread")
self._create_relation("B", "C", "m.annotation")
self._create_relation("A", "D", "m.reference")
self._create_relation("D", "E", "m.annotation")
self._create_relation("F", "G", "m.annotation")
def _create_relation(self, parent_id: str, event_id: str, rel_type: str) -> None:
self.get_success(
self._main_store.db_pool.simple_insert(
table="event_relations",
values={
"event_id": event_id,
"relates_to_id": parent_id,
"relation_type": rel_type,
},
)
)
def test_get_thread_id(self) -> None:
"""
Ensure that get_thread_id only searches up the tree for threads.
"""
# The thread itself and children of it return the thread.
thread_id = self.get_success(self._main_store.get_thread_id("B"))
self.assertEqual("A", thread_id)
thread_id = self.get_success(self._main_store.get_thread_id("C"))
self.assertEqual("A", thread_id)
# But the root and events related to the root do not.
thread_id = self.get_success(self._main_store.get_thread_id("A"))
self.assertEqual(MAIN_TIMELINE, thread_id)
thread_id = self.get_success(self._main_store.get_thread_id("D"))
self.assertEqual(MAIN_TIMELINE, thread_id)
thread_id = self.get_success(self._main_store.get_thread_id("E"))
self.assertEqual(MAIN_TIMELINE, thread_id)
# Events which are not related to a thread at all should return the
# main timeline.
thread_id = self.get_success(self._main_store.get_thread_id("F"))
self.assertEqual(MAIN_TIMELINE, thread_id)
thread_id = self.get_success(self._main_store.get_thread_id("G"))
self.assertEqual(MAIN_TIMELINE, thread_id)
def test_get_thread_id_for_receipts(self) -> None:
"""
Ensure that get_thread_id_for_receipts searches up and down the tree for a thread.
"""
# All of the events are considered related to this thread.
thread_id = self.get_success(self._main_store.get_thread_id_for_receipts("A"))
self.assertEqual("A", thread_id)
thread_id = self.get_success(self._main_store.get_thread_id_for_receipts("B"))
self.assertEqual("A", thread_id)
thread_id = self.get_success(self._main_store.get_thread_id_for_receipts("C"))
self.assertEqual("A", thread_id)
thread_id = self.get_success(self._main_store.get_thread_id_for_receipts("D"))
self.assertEqual("A", thread_id)
thread_id = self.get_success(self._main_store.get_thread_id_for_receipts("E"))
self.assertEqual("A", thread_id)
# Events which are not related to a thread at all should return the
# main timeline.
thread_id = self.get_success(self._main_store.get_thread_id("F"))
self.assertEqual(MAIN_TIMELINE, thread_id)
thread_id = self.get_success(self._main_store.get_thread_id("G"))
self.assertEqual(MAIN_TIMELINE, thread_id)