diff --git a/tests/module_api/test_api.py b/tests/module_api/test_api.py
index 81d9e2f484..0b817cc701 100644
--- a/tests/module_api/test_api.py
+++ b/tests/module_api/test_api.py
@@ -79,6 +79,16 @@ class ModuleApiTestCase(HomeserverTestCase):
displayname = self.get_success(self.store.get_profile_displayname("bob"))
self.assertEqual(displayname, "Bobberino")
+ def test_get_userinfo_by_id(self):
+ user_id = self.register_user("alice", "1234")
+ found_user = self.get_success(self.module_api.get_userinfo_by_id(user_id))
+ self.assertEqual(found_user.user_id.to_string(), user_id)
+ self.assertIdentical(found_user.is_admin, False)
+
+ def test_get_userinfo_by_id__no_user_found(self):
+ found_user = self.get_success(self.module_api.get_userinfo_by_id("@alice:test"))
+ self.assertIsNone(found_user)
+
def test_sending_events_into_room(self):
"""Tests that a module can send events into a room"""
# Mock out create_and_send_nonmember_event to check whether events are being sent
diff --git a/tests/storage/databases/main/test_events_worker.py b/tests/storage/databases/main/test_events_worker.py
index 932970fd9a..d05d367685 100644
--- a/tests/storage/databases/main/test_events_worker.py
+++ b/tests/storage/databases/main/test_events_worker.py
@@ -14,7 +14,10 @@
import json
from synapse.logging.context import LoggingContext
+from synapse.rest import admin
+from synapse.rest.client.v1 import login, room
from synapse.storage.databases.main.events_worker import EventsWorkerStore
+from synapse.util.async_helpers import yieldable_gather_results
from tests import unittest
@@ -94,3 +97,50 @@ class HaveSeenEventsTestCase(unittest.HomeserverTestCase):
res = self.get_success(self.store.have_seen_events("room1", ["event10"]))
self.assertEquals(res, {"event10"})
self.assertEquals(ctx.get_resource_usage().db_txn_count, 0)
+
+
+class EventCacheTestCase(unittest.HomeserverTestCase):
+ """Test that the various layers of event cache works."""
+
+ servlets = [
+ admin.register_servlets,
+ room.register_servlets,
+ login.register_servlets,
+ ]
+
+ def prepare(self, reactor, clock, hs):
+ self.store: EventsWorkerStore = hs.get_datastore()
+
+ self.user = self.register_user("user", "pass")
+ self.token = self.login(self.user, "pass")
+
+ self.room = self.helper.create_room_as(self.user, tok=self.token)
+
+ res = self.helper.send(self.room, tok=self.token)
+ self.event_id = res["event_id"]
+
+ # Reset the event cache so the tests start with it empty
+ self.store._get_event_cache.clear()
+
+ def test_simple(self):
+ """Test that we cache events that we pull from the DB."""
+
+ with LoggingContext("test") as ctx:
+ self.get_success(self.store.get_event(self.event_id))
+
+ # We should have fetched the event from the DB
+ self.assertEqual(ctx.get_resource_usage().evt_db_fetch_count, 1)
+
+ def test_dedupe(self):
+ """Test that if we request the same event multiple times we only pull it
+ out once.
+ """
+
+ with LoggingContext("test") as ctx:
+ d = yieldable_gather_results(
+ self.store.get_event, [self.event_id, self.event_id]
+ )
+ self.get_success(d)
+
+ # We should have fetched the event from the DB
+ self.assertEqual(ctx.get_resource_usage().evt_db_fetch_count, 1)
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