Add some type hints to tests files (#12833)

Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>

changelog.d/12833.misc

@@ -0,0 +1 @@
+Add some type hints to test files.

mypy.ini

@@ -41,16 +41,11 @@ exclude = (?x)
    |tests/events/test_utils.py
    |tests/federation/test_federation_catch_up.py
    |tests/federation/test_federation_sender.py
-   |tests/federation/test_federation_server.py
    |tests/federation/transport/test_knocking.py
-   |tests/federation/transport/test_server.py
    |tests/handlers/test_typing.py
    |tests/http/federation/test_matrix_federation_agent.py
    |tests/http/federation/test_srv_resolver.py
-   |tests/http/test_fedclient.py
    |tests/http/test_proxyagent.py
-   |tests/http/test_servlet.py
-   |tests/http/test_site.py
    |tests/logging/__init__.py
    |tests/logging/test_terse_json.py
    |tests/module_api/test_api.py
@@ -59,12 +54,9 @@ exclude = (?x)
    |tests/push/test_push_rule_evaluator.py
    |tests/rest/client/test_transactions.py
    |tests/rest/media/v1/test_media_storage.py
-   |tests/scripts/test_new_matrix_user.py
    |tests/server.py
    |tests/server_notices/test_resource_limits_server_notices.py
    |tests/state/test_v2.py
-   |tests/storage/test_base.py
-   |tests/storage/test_roommember.py
    |tests/test_metrics.py
    |tests/test_server.py
    |tests/test_state.py

tests/http/test_servlet.py

@@ -49,19 +49,21 @@ class TestServletUtils(unittest.TestCase):
         """Basic tests for parse_json_value_from_request."""
         # Test round-tripping.
         obj = {"foo": 1}
-        result = parse_json_value_from_request(make_request(obj))
+        result1 = parse_json_value_from_request(make_request(obj))
-        self.assertEqual(result, obj)
+        self.assertEqual(result1, obj)
 
         # Results don't have to be objects.
-        result = parse_json_value_from_request(make_request(b'["foo"]'))
+        result2 = parse_json_value_from_request(make_request(b'["foo"]'))
-        self.assertEqual(result, ["foo"])
+        self.assertEqual(result2, ["foo"])
 
         # Test empty.
         with self.assertRaises(SynapseError):
             parse_json_value_from_request(make_request(b""))
 
-        result = parse_json_value_from_request(make_request(b""), allow_empty_body=True)
+        result3 = parse_json_value_from_request(
-        self.assertIsNone(result)
+            make_request(b""), allow_empty_body=True
+        )
+        self.assertIsNone(result3)
 
         # Invalid UTF-8.
         with self.assertRaises(SynapseError):

tests/http/test_site.py

@@ -36,7 +36,7 @@ class SynapseRequestTestCase(HomeserverTestCase):
         # as a control case, first send a regular request.
 
         # complete the connection and wire it up to a fake transport
-        client_address = IPv6Address("TCP", "::1", "2345")
+        client_address = IPv6Address("TCP", "::1", 2345)
         protocol = factory.buildProtocol(client_address)
         transport = StringTransport()
         protocol.makeConnection(transport)

tests/scripts/test_new_matrix_user.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from typing import List
 from unittest.mock import Mock, patch
 
 from synapse._scripts.register_new_matrix_user import request_registration
@@ -49,8 +50,8 @@ class RegisterTestCase(TestCase):
         requests.post = post
 
         # The fake stdout will be written here
-        out = []
+        out: List[str] = []
-        err_code = []
+        err_code: List[int] = []
 
         with patch("synapse._scripts.register_new_matrix_user.requests", requests):
             request_registration(
@@ -85,8 +86,8 @@ class RegisterTestCase(TestCase):
         requests.get = get
 
         # The fake stdout will be written here
-        out = []
+        out: List[str] = []
-        err_code = []
+        err_code: List[int] = []
 
         with patch("synapse._scripts.register_new_matrix_user.requests", requests):
             request_registration(
@@ -137,8 +138,8 @@ class RegisterTestCase(TestCase):
         requests.post = post
 
         # The fake stdout will be written here
-        out = []
+        out: List[str] = []
-        err_code = []
+        err_code: List[int] = []
 
         with patch("synapse._scripts.register_new_matrix_user.requests", requests):
             request_registration(

tests/storage/test_base.py

@@ -60,7 +60,7 @@ class SQLBaseStoreTestCase(unittest.TestCase):
         db = DatabasePool(Mock(), Mock(config=sqlite_config), fake_engine)
         db._db_pool = self.db_pool
 
-        self.datastore = SQLBaseStore(db, None, hs)
+        self.datastore = SQLBaseStore(db, None, hs)  # type: ignore[arg-type]
 
     @defer.inlineCallbacks
     def test_insert_1col(self):

tests/storage/test_roommember.py

@@ -34,7 +34,7 @@ class RoomMemberStoreTestCase(unittest.HomeserverTestCase):
         room.register_servlets,
     ]
 
-    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: TestHomeServer) -> None:
+    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: TestHomeServer) -> None:  # type: ignore[override]
 
         # We can't test the RoomMemberStore on its own without the other event
         # storage logic