Add final type hint to tests.unittest. (#15072)

Adds a return type to HomeServerTestCase.make_homeserver and deal
with any variables which are no longer Any.

changelog.d/15072.misc

@@ -0,0 +1 @@
+Improve type hints.

mypy.ini

@@ -56,9 +56,6 @@ disallow_untyped_defs = False
 [mypy-synapse.storage.database]
 disallow_untyped_defs = False
 
-[mypy-tests.unittest]
-disallow_untyped_defs = False
-
 [mypy-tests.util.caches.test_descriptors]
 disallow_untyped_defs = False
 

tests/app/test_openid_listener.py

@@ -67,7 +67,9 @@ def test_openid_listener(self, names: List[str], expectation: str) -> None:
         }
 
         # Listen with the config
-        self.hs._listen_http(parse_listener_def(0, config))
+        hs = self.hs
+        assert isinstance(hs, GenericWorkerServer)
+        hs._listen_http(parse_listener_def(0, config))
 
         # Grab the resource from the site that was told to listen
         site = self.reactor.tcpServers[0][1]
@@ -115,7 +117,9 @@ def test_openid_listener(self, names: List[str], expectation: str) -> None:
         }
 
         # Listen with the config
-        self.hs._listener_http(self.hs.config, parse_listener_def(0, config))
+        hs = self.hs
+        assert isinstance(hs, SynapseHomeServer)
+        hs._listener_http(self.hs.config, parse_listener_def(0, config))
 
         # Grab the resource from the site that was told to listen
         site = self.reactor.tcpServers[0][1]

tests/crypto/test_keyring.py

@@ -192,7 +192,7 @@ def test_verify_json_for_server(self) -> None:
         key1 = signedjson.key.generate_signing_key("1")
         r = self.hs.get_datastores().main.store_server_verify_keys(
             "server9",
-            time.time() * 1000,
+            int(time.time() * 1000),
             [("server9", get_key_id(key1), FetchKeyResult(get_verify_key(key1), 1000))],
         )
         self.get_success(r)
@@ -287,7 +287,7 @@ def test_verify_json_for_server_with_null_valid_until_ms(self) -> None:
         key1 = signedjson.key.generate_signing_key("1")
         r = self.hs.get_datastores().main.store_server_verify_keys(
             "server9",
-            time.time() * 1000,
+            int(time.time() * 1000),
             # None is not a valid value in FetchKeyResult, but we're abusing this
             # API to insert null values into the database. The nulls get converted
             # to 0 when fetched in KeyStore.get_server_verify_keys.
@@ -466,9 +466,9 @@ async def get_json(destination: str, path: str, **kwargs: Any) -> JsonDict:
         key_json = self.get_success(
             self.hs.get_datastores().main.get_server_keys_json([lookup_triplet])
         )
-        res = key_json[lookup_triplet]
-        self.assertEqual(len(res), 1)
-        res = res[0]
+        res_keys = key_json[lookup_triplet]
+        self.assertEqual(len(res_keys), 1)
+        res = res_keys[0]
         self.assertEqual(res["key_id"], testverifykey_id)
         self.assertEqual(res["from_server"], SERVER_NAME)
         self.assertEqual(res["ts_added_ms"], self.reactor.seconds() * 1000)
@@ -584,9 +584,9 @@ def test_get_keys_from_perspectives(self) -> None:
         key_json = self.get_success(
             self.hs.get_datastores().main.get_server_keys_json([lookup_triplet])
         )
-        res = key_json[lookup_triplet]
-        self.assertEqual(len(res), 1)
-        res = res[0]
+        res_keys = key_json[lookup_triplet]
+        self.assertEqual(len(res_keys), 1)
+        res = res_keys[0]
         self.assertEqual(res["key_id"], testverifykey_id)
         self.assertEqual(res["from_server"], self.mock_perspective_server.server_name)
         self.assertEqual(res["ts_added_ms"], self.reactor.seconds() * 1000)
@@ -705,9 +705,9 @@ def test_get_perspectives_own_key(self) -> None:
         key_json = self.get_success(
             self.hs.get_datastores().main.get_server_keys_json([lookup_triplet])
         )
-        res = key_json[lookup_triplet]
-        self.assertEqual(len(res), 1)
-        res = res[0]
+        res_keys = key_json[lookup_triplet]
+        self.assertEqual(len(res_keys), 1)
+        res = res_keys[0]
         self.assertEqual(res["key_id"], testverifykey_id)
         self.assertEqual(res["from_server"], self.mock_perspective_server.server_name)
         self.assertEqual(res["ts_added_ms"], self.reactor.seconds() * 1000)

tests/events/test_presence_router.py

@@ -156,11 +156,11 @@ class PresenceRouterTestCase(FederatingHomeserverTestCase):
 
     def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
         # Mock out the calls over federation.
-        fed_transport_client = Mock(spec=["send_transaction"])
-        fed_transport_client.send_transaction = simple_async_mock({})
+        self.fed_transport_client = Mock(spec=["send_transaction"])
+        self.fed_transport_client.send_transaction = simple_async_mock({})
 
         hs = self.setup_test_homeserver(
-            federation_transport_client=fed_transport_client,
+            federation_transport_client=self.fed_transport_client,
         )
 
         load_legacy_presence_router(hs)
@@ -422,7 +422,7 @@ def send_local_online_presence_to_with_module_test_body(self) -> None:
         #
         # Thus we reset the mock, and try sending all online local user
         # presence again
-        self.hs.get_federation_transport_client().send_transaction.reset_mock()
+        self.fed_transport_client.send_transaction.reset_mock()
 
         # Broadcast local user online presence
         self.get_success(
@@ -447,9 +447,7 @@ def send_local_online_presence_to_with_module_test_body(self) -> None:
         }
         found_users = set()
 
-        calls = (
-            self.hs.get_federation_transport_client().send_transaction.call_args_list
-        )
+        calls = self.fed_transport_client.send_transaction.call_args_list
         for call in calls:
             call_args = call[0]
             federation_transaction: Transaction = call_args[0]

tests/federation/test_complexity.py

@@ -17,7 +17,7 @@
 from synapse.api.errors import Codes, SynapseError
 from synapse.rest import admin
 from synapse.rest.client import login, room
-from synapse.types import JsonDict, UserID
+from synapse.types import JsonDict, UserID, create_requester
 
 from tests import unittest
 from tests.test_utils import make_awaitable
@@ -56,7 +56,11 @@ def test_complexity_simple(self) -> None:
 
         # Artificially raise the complexity
         store = self.hs.get_datastores().main
-        store.get_current_state_event_counts = lambda x: make_awaitable(500 * 1.23)
+
+        async def get_current_state_event_counts(room_id: str) -> int:
+            return int(500 * 1.23)
+
+        store.get_current_state_event_counts = get_current_state_event_counts  # type: ignore[assignment]
 
         # Get the room complexity again -- make sure it's our artificial value
         channel = self.make_signed_federation_request(
@@ -75,12 +79,12 @@ def test_join_too_large(self) -> None:
 
         # Mock out some things, because we don't want to test the whole join
         fed_transport.client.get_json = Mock(return_value=make_awaitable({"v1": 9999}))
-        handler.federation_handler.do_invite_join = Mock(
+        handler.federation_handler.do_invite_join = Mock(  # type: ignore[assignment]
             return_value=make_awaitable(("", 1))
         )
 
         d = handler._remote_join(
-            None,
+            create_requester(u1),
             ["other.example.com"],
             "roomid",
             UserID.from_string(u1),
@@ -106,12 +110,12 @@ def test_join_too_large_admin(self) -> None:
 
         # Mock out some things, because we don't want to test the whole join
         fed_transport.client.get_json = Mock(return_value=make_awaitable({"v1": 9999}))
-        handler.federation_handler.do_invite_join = Mock(
+        handler.federation_handler.do_invite_join = Mock(  # type: ignore[assignment]
             return_value=make_awaitable(("", 1))
         )
 
         d = handler._remote_join(
-            None,
+            create_requester(u1),
             ["other.example.com"],
             "roomid",
             UserID.from_string(u1),
@@ -144,17 +148,18 @@ def test_join_too_large_once_joined(self) -> None:
 
         # Mock out some things, because we don't want to test the whole join
         fed_transport.client.get_json = Mock(return_value=make_awaitable(None))
-        handler.federation_handler.do_invite_join = Mock(
+        handler.federation_handler.do_invite_join = Mock(  # type: ignore[assignment]
             return_value=make_awaitable(("", 1))
         )
 
         # Artificially raise the complexity
-        self.hs.get_datastores().main.get_current_state_event_counts = (
-            lambda x: make_awaitable(600)
-        )
+        async def get_current_state_event_counts(room_id: str) -> int:
+            return 600
+
+        self.hs.get_datastores().main.get_current_state_event_counts = get_current_state_event_counts  # type: ignore[assignment]
 
         d = handler._remote_join(
-            None,
+            create_requester(u1),
             ["other.example.com"],
             room_1,
             UserID.from_string(u1),
@@ -200,12 +205,12 @@ def test_join_too_large_no_admin(self) -> None:
 
         # Mock out some things, because we don't want to test the whole join
         fed_transport.client.get_json = Mock(return_value=make_awaitable({"v1": 9999}))
-        handler.federation_handler.do_invite_join = Mock(
+        handler.federation_handler.do_invite_join = Mock(  # type: ignore[assignment]
             return_value=make_awaitable(("", 1))
         )
 
         d = handler._remote_join(
-            None,
+            create_requester(u1),
             ["other.example.com"],
             "roomid",
             UserID.from_string(u1),
@@ -230,12 +235,12 @@ def test_join_too_large_admin(self) -> None:
 
         # Mock out some things, because we don't want to test the whole join
         fed_transport.client.get_json = Mock(return_value=make_awaitable({"v1": 9999}))
-        handler.federation_handler.do_invite_join = Mock(
+        handler.federation_handler.do_invite_join = Mock(  # type: ignore[assignment]
             return_value=make_awaitable(("", 1))
         )
 
         d = handler._remote_join(
-            None,
+            create_requester(u1),
             ["other.example.com"],
             "roomid",
             UserID.from_string(u1),

tests/federation/test_federation_catch_up.py

@@ -5,7 +5,11 @@
 
 from synapse.api.constants import EventTypes
 from synapse.events import EventBase
-from synapse.federation.sender import PerDestinationQueue, TransactionManager
+from synapse.federation.sender import (
+    FederationSender,
+    PerDestinationQueue,
+    TransactionManager,
+)
 from synapse.federation.units import Edu, Transaction
 from synapse.rest import admin
 from synapse.rest.client import login, room
@@ -33,8 +37,9 @@ class FederationCatchUpTestCases(FederatingHomeserverTestCase):
     ]
 
     def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
+        self.federation_transport_client = Mock(spec=["send_transaction"])
         return self.setup_test_homeserver(
-            federation_transport_client=Mock(spec=["send_transaction"]),
+            federation_transport_client=self.federation_transport_client,
         )
 
     def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
@@ -52,10 +57,14 @@ def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
         self.pdus: List[JsonDict] = []
         self.failed_pdus: List[JsonDict] = []
         self.is_online = True
-        self.hs.get_federation_transport_client().send_transaction.side_effect = (
+        self.federation_transport_client.send_transaction.side_effect = (
             self.record_transaction
         )
 
+        federation_sender = hs.get_federation_sender()
+        assert isinstance(federation_sender, FederationSender)
+        self.federation_sender = federation_sender
+
     def default_config(self) -> JsonDict:
         config = super().default_config()
         config["federation_sender_instances"] = None
@@ -229,11 +238,11 @@ def test_catch_up_from_blank_state(self) -> None:
         # let's delete the federation transmission queue
         # (this pretends we are starting up fresh.)
         self.assertFalse(
-            self.hs.get_federation_sender()
-            ._per_destination_queues["host2"]
-            .transmission_loop_running
+            self.federation_sender._per_destination_queues[
+                "host2"
+            ].transmission_loop_running
         )
-        del self.hs.get_federation_sender()._per_destination_queues["host2"]
+        del self.federation_sender._per_destination_queues["host2"]
 
         # let's also clear any backoffs
         self.get_success(
@@ -322,6 +331,7 @@ def test_catch_up_loop(self) -> None:
         # also fetch event 5 so we know its last_successful_stream_ordering later
         event_5 = self.get_success(self.hs.get_datastores().main.get_event(event_id_5))
 
+        assert event_2.internal_metadata.stream_ordering is not None
         self.get_success(
             self.hs.get_datastores().main.set_destination_last_successful_stream_ordering(
                 "host2", event_2.internal_metadata.stream_ordering
@@ -425,15 +435,16 @@ def test_catch_up_on_synapse_startup(self) -> None:
         def wake_destination_track(destination: str) -> None:
             woken.append(destination)
 
-        self.hs.get_federation_sender().wake_destination = wake_destination_track
+        self.federation_sender.wake_destination = wake_destination_track  # type: ignore[assignment]
 
         # cancel the pre-existing timer for _wake_destinations_needing_catchup
         # this is because we are calling it manually rather than waiting for it
         # to be called automatically
-        self.hs.get_federation_sender()._catchup_after_startup_timer.cancel()
+        assert self.federation_sender._catchup_after_startup_timer is not None
+        self.federation_sender._catchup_after_startup_timer.cancel()
 
         self.get_success(
-            self.hs.get_federation_sender()._wake_destinations_needing_catchup(), by=5.0
+            self.federation_sender._wake_destinations_needing_catchup(), by=5.0
         )
 
         # ASSERT (_wake_destinations_needing_catchup):
@@ -475,6 +486,7 @@ def test_not_latest_event(self) -> None:
             )
         )
 
+        assert event_1.internal_metadata.stream_ordering is not None
         self.get_success(
             self.hs.get_datastores().main.set_destination_last_successful_stream_ordering(
                 "host2", event_1.internal_metadata.stream_ordering

tests/federation/test_federation_client.py

@@ -178,7 +178,7 @@ def test_get_pdu_event_from_cache_is_pristine(self) -> None:
                 RoomVersions.V9,
             )
         )
-        self.assertIsNotNone(pulled_pdu_info2)
+        assert pulled_pdu_info2 is not None
         remote_pdu2 = pulled_pdu_info2.pdu
 
         # Sanity check that we are working against the same event
@@ -226,7 +226,7 @@ def _get_pdu_once(self) -> EventBase:
                 RoomVersions.V9,
             )
         )
-        self.assertIsNotNone(pulled_pdu_info)
+        assert pulled_pdu_info is not None
         remote_pdu = pulled_pdu_info.pdu
 
         # check the right call got made to the agent