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-rw-r--r--tests/replication/http/__init__.py13
-rw-r--r--tests/replication/http/test__base.py106
2 files changed, 119 insertions, 0 deletions
diff --git a/tests/replication/http/__init__.py b/tests/replication/http/__init__.py
new file mode 100644
index 0000000000..3a5f22c022
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+++ b/tests/replication/http/__init__.py
@@ -0,0 +1,13 @@
+# 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.
diff --git a/tests/replication/http/test__base.py b/tests/replication/http/test__base.py
new file mode 100644
index 0000000000..a5ab093a27
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+++ b/tests/replication/http/test__base.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 http import HTTPStatus
+from typing import Tuple
+
+from twisted.web.server import Request
+
+from synapse.api.errors import Codes
+from synapse.http.server import JsonResource, cancellable
+from synapse.replication.http import REPLICATION_PREFIX
+from synapse.replication.http._base import ReplicationEndpoint
+from synapse.server import HomeServer
+from synapse.types import JsonDict
+
+from tests import unittest
+from tests.http.server._base import EndpointCancellationTestHelperMixin
+
+
+class CancellableReplicationEndpoint(ReplicationEndpoint):
+    NAME = "cancellable_sleep"
+    PATH_ARGS = ()
+    CACHE = False
+
+    def __init__(self, hs: HomeServer):
+        super().__init__(hs)
+        self.clock = hs.get_clock()
+
+    @staticmethod
+    async def _serialize_payload() -> JsonDict:
+        return {}
+
+    @cancellable
+    async def _handle_request(  # type: ignore[override]
+        self, request: Request
+    ) -> Tuple[int, JsonDict]:
+        await self.clock.sleep(1.0)
+        return HTTPStatus.OK, {"result": True}
+
+
+class UncancellableReplicationEndpoint(ReplicationEndpoint):
+    NAME = "uncancellable_sleep"
+    PATH_ARGS = ()
+    CACHE = False
+
+    def __init__(self, hs: HomeServer):
+        super().__init__(hs)
+        self.clock = hs.get_clock()
+
+    @staticmethod
+    async def _serialize_payload() -> JsonDict:
+        return {}
+
+    async def _handle_request(  # type: ignore[override]
+        self, request: Request
+    ) -> Tuple[int, JsonDict]:
+        await self.clock.sleep(1.0)
+        return HTTPStatus.OK, {"result": True}
+
+
+class ReplicationEndpointCancellationTestCase(
+    unittest.HomeserverTestCase, EndpointCancellationTestHelperMixin
+):
+    """Tests for `ReplicationEndpoint` cancellation."""
+
+    def create_test_resource(self):
+        """Overrides `HomeserverTestCase.create_test_resource`."""
+        resource = JsonResource(self.hs)
+
+        CancellableReplicationEndpoint(self.hs).register(resource)
+        UncancellableReplicationEndpoint(self.hs).register(resource)
+
+        return resource
+
+    def test_cancellable_disconnect(self) -> None:
+        """Test that handlers with the `@cancellable` flag can be cancelled."""
+        path = f"{REPLICATION_PREFIX}/{CancellableReplicationEndpoint.NAME}/"
+        channel = self.make_request("POST", path, await_result=False)
+        self._test_disconnect(
+            self.reactor,
+            channel,
+            expect_cancellation=True,
+            expected_body={"error": "Request cancelled", "errcode": Codes.UNKNOWN},
+        )
+
+    def test_uncancellable_disconnect(self) -> None:
+        """Test that handlers without the `@cancellable` flag cannot be cancelled."""
+        path = f"{REPLICATION_PREFIX}/{UncancellableReplicationEndpoint.NAME}/"
+        channel = self.make_request("POST", path, await_result=False)
+        self._test_disconnect(
+            self.reactor,
+            channel,
+            expect_cancellation=False,
+            expected_body={"result": True},
+        )