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-rw-r--r--tests/replication/tcp/streams/test_partial_state.py65
1 files changed, 65 insertions, 0 deletions
diff --git a/tests/replication/tcp/streams/test_partial_state.py b/tests/replication/tcp/streams/test_partial_state.py
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+++ b/tests/replication/tcp/streams/test_partial_state.py
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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.internet.defer import ensureDeferred
+
+from synapse.rest.client import room
+
+from tests.replication._base import BaseMultiWorkerStreamTestCase
+
+
+class PartialStateStreamsTestCase(BaseMultiWorkerStreamTestCase):
+    servlets = [room.register_servlets]
+    hijack_auth = True
+    user_id = "@bob:test"
+
+    def setUp(self):
+        super().setUp()
+        self.store = self.hs.get_datastores().main
+
+    def test_un_partial_stated_room_unblocks_over_replication(self) -> None:
+        """
+        Tests that, when a room is un-partial-stated on another worker,
+        pending calls to `await_full_state` get unblocked.
+        """
+
+        # Make a room.
+        room_id = self.helper.create_room_as("@bob:test")
+        # Mark the room as partial-stated.
+        self.get_success(
+            self.store.store_partial_state_room(room_id, ["serv1", "serv2"], 0, "serv1")
+        )
+
+        worker = self.make_worker_hs("synapse.app.generic_worker")
+
+        # On the worker, attempt to get the current hosts in the room
+        d = ensureDeferred(
+            worker.get_storage_controllers().state.get_current_hosts_in_room(room_id)
+        )
+
+        self.reactor.advance(0.1)
+
+        # This should block
+        self.assertFalse(
+            d.called, "get_current_hosts_in_room/await_full_state did not block"
+        )
+
+        # On the master, clear the partial state flag.
+        self.get_success(self.store.clear_partial_state_room(room_id))
+
+        self.reactor.advance(0.1)
+
+        # The worker should have unblocked
+        self.assertTrue(
+            d.called, "get_current_hosts_in_room/await_full_state did not unblock"
+        )