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-rw-r--r--tests/storage/test_user_directory.py77
1 files changed, 33 insertions, 44 deletions
diff --git a/tests/storage/test_user_directory.py b/tests/storage/test_user_directory.py
index be3ed64f5e..37cf7bb232 100644
--- a/tests/storage/test_user_directory.py
+++ b/tests/storage/test_user_directory.py
@@ -11,7 +11,7 @@
 # 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 typing import Any, Dict, List, Set, Tuple
+from typing import Any, Dict, Set, Tuple
 from unittest import mock
 from unittest.mock import Mock, patch
 
@@ -42,18 +42,7 @@ class GetUserDirectoryTables:
     def __init__(self, store: DataStore):
         self.store = store
 
-    def _compress_shared(
-        self, shared: List[Dict[str, str]]
-    ) -> Set[Tuple[str, str, str]]:
-        """
-        Compress a list of users who share rooms dicts to a list of tuples.
-        """
-        r = set()
-        for i in shared:
-            r.add((i["user_id"], i["other_user_id"], i["room_id"]))
-        return r
-
-    async def get_users_in_public_rooms(self) -> List[Tuple[str, str]]:
+    async def get_users_in_public_rooms(self) -> Set[Tuple[str, str]]:
         """Fetch the entire `users_in_public_rooms` table.
 
         Returns a list of tuples (user_id, room_id) where room_id is public and
@@ -63,24 +52,27 @@ class GetUserDirectoryTables:
             "users_in_public_rooms", None, ("user_id", "room_id")
         )
 
-        retval = []
+        retval = set()
         for i in r:
-            retval.append((i["user_id"], i["room_id"]))
+            retval.add((i["user_id"], i["room_id"]))
         return retval
 
-    async def get_users_who_share_private_rooms(self) -> List[Dict[str, str]]:
+    async def get_users_who_share_private_rooms(self) -> Set[Tuple[str, str, str]]:
         """Fetch the entire `users_who_share_private_rooms` table.
 
-        Returns a dict containing "user_id", "other_user_id" and "room_id" keys.
-        The dicts can be flattened to Tuples with the `_compress_shared` method.
-        (This seems a little awkward---maybe we could clean this up.)
+        Returns a set of tuples (user_id, other_user_id, room_id) corresponding
+        to the rows of `users_who_share_private_rooms`.
         """
 
-        return await self.store.db_pool.simple_select_list(
+        rows = await self.store.db_pool.simple_select_list(
             "users_who_share_private_rooms",
             None,
             ["user_id", "other_user_id", "room_id"],
         )
+        rv = set()
+        for row in rows:
+            rv.add((row["user_id"], row["other_user_id"], row["room_id"]))
+        return rv
 
     async def get_users_in_user_directory(self) -> Set[str]:
         """Fetch the set of users in the `user_directory` table.
@@ -113,6 +105,16 @@ class GetUserDirectoryTables:
             for row in rows
         }
 
+    async def get_tables(
+        self,
+    ) -> Tuple[Set[str], Set[Tuple[str, str]], Set[Tuple[str, str, str]]]:
+        """Multiple tests want to inspect these tables, so expose them together."""
+        return (
+            await self.get_users_in_user_directory(),
+            await self.get_users_in_public_rooms(),
+            await self.get_users_who_share_private_rooms(),
+        )
+
 
 class UserDirectoryInitialPopulationTestcase(HomeserverTestCase):
     """Ensure that rebuilding the directory writes the correct data to the DB.
@@ -166,8 +168,8 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase):
         )
 
         # Nothing updated yet
-        self.assertEqual(shares_private, [])
-        self.assertEqual(public_users, [])
+        self.assertEqual(shares_private, set())
+        self.assertEqual(public_users, set())
 
         # Ugh, have to reset this flag
         self.store.db_pool.updates._all_done = False
@@ -236,24 +238,15 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase):
         # Do the initial population of the user directory via the background update
         self._purge_and_rebuild_user_dir()
 
-        shares_private = self.get_success(
-            self.user_dir_helper.get_users_who_share_private_rooms()
-        )
-        public_users = self.get_success(
-            self.user_dir_helper.get_users_in_public_rooms()
+        users, in_public, in_private = self.get_success(
+            self.user_dir_helper.get_tables()
         )
 
         # User 1 and User 2 are in the same public room
-        self.assertEqual(set(public_users), {(u1, room), (u2, room)})
-
+        self.assertEqual(in_public, {(u1, room), (u2, room)})
         # User 1 and User 3 share private rooms
-        self.assertEqual(
-            self.user_dir_helper._compress_shared(shares_private),
-            {(u1, u3, private_room), (u3, u1, private_room)},
-        )
-
+        self.assertEqual(in_private, {(u1, u3, private_room), (u3, u1, private_room)})
         # All three should have entries in the directory
-        users = self.get_success(self.user_dir_helper.get_users_in_user_directory())
         self.assertEqual(users, {u1, u2, u3})
 
     # The next four tests (test_population_excludes_*) all set up
@@ -289,16 +282,12 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase):
         self, normal_user: str, public_room: str, private_room: str
     ) -> None:
         # After rebuilding the directory, we should only see the normal user.
-        users = self.get_success(self.user_dir_helper.get_users_in_user_directory())
-        self.assertEqual(users, {normal_user})
-        in_public_rooms = self.get_success(
-            self.user_dir_helper.get_users_in_public_rooms()
+        users, in_public, in_private = self.get_success(
+            self.user_dir_helper.get_tables()
         )
-        self.assertEqual(set(in_public_rooms), {(normal_user, public_room)})
-        in_private_rooms = self.get_success(
-            self.user_dir_helper.get_users_who_share_private_rooms()
-        )
-        self.assertEqual(in_private_rooms, [])
+        self.assertEqual(users, {normal_user})
+        self.assertEqual(in_public, {(normal_user, public_room)})
+        self.assertEqual(in_private, set())
 
     def test_population_excludes_support_user(self) -> None:
         # Create a normal and support user.