1 files changed, 62 insertions, 1 deletions
diff --git a/tests/push/test_push_rule_evaluator.py b/tests/push/test_push_rule_evaluator.py
index 7c430c4ecb..da33423871 100644
--- a/tests/push/test_push_rule_evaluator.py
+++ b/tests/push/test_push_rule_evaluator.py
@@ -22,7 +22,7 @@ import synapse.rest.admin
 from synapse.api.constants import EventTypes, HistoryVisibility, Membership
 from synapse.api.room_versions import RoomVersions
 from synapse.appservice import ApplicationService
-from synapse.events import FrozenEvent
+from synapse.events import FrozenEvent, make_event_from_dict
 from synapse.push.bulk_push_rule_evaluator import _flatten_dict
 from synapse.push.httppusher import tweaks_for_actions
 from synapse.rest import admin
@@ -60,6 +60,67 @@ class FlattenDictTestCase(unittest.TestCase):
         }
         self.assertEqual({"woo": "woo"}, _flatten_dict(input))
 
+    def test_event(self) -> None:
+        """Events can also be flattened."""
+        event = make_event_from_dict(
+            {
+                "room_id": "!test:test",
+                "type": "m.room.message",
+                "sender": "@alice:test",
+                "content": {
+                    "msgtype": "m.text",
+                    "body": "Hello world!",
+                    "format": "org.matrix.custom.html",
+                    "formatted_body": "<h1>Hello world!</h1>",
+                },
+            },
+            room_version=RoomVersions.V8,
+        )
+        expected = {
+            "content.msgtype": "m.text",
+            "content.body": "hello world!",
+            "content.format": "org.matrix.custom.html",
+            "content.formatted_body": "<h1>hello world!</h1>",
+            "room_id": "!test:test",
+            "sender": "@alice:test",
+            "type": "m.room.message",
+        }
+        self.assertEqual(expected, _flatten_dict(event))
+
+    def test_extensible_events(self) -> None:
+        """Extensible events has compatibility behaviour."""
+        event_dict = {
+            "room_id": "!test:test",
+            "type": "m.room.message",
+            "sender": "@alice:test",
+            "content": {
+                "org.matrix.msc1767.markup": [
+                    {"mimetype": "text/plain", "body": "Hello world!"},
+                    {"mimetype": "text/html", "body": "<h1>Hello world!</h1>"},
+                ]
+            },
+        }
+
+        # For a current room version, there's no special behavior.
+        event = make_event_from_dict(event_dict, room_version=RoomVersions.V8)
+        expected = {
+            "room_id": "!test:test",
+            "sender": "@alice:test",
+            "type": "m.room.message",
+        }
+        self.assertEqual(expected, _flatten_dict(event))
+
+        # For a room version with extensible events, they parse out the text/plain
+        # to a content.body property.
+        event = make_event_from_dict(event_dict, room_version=RoomVersions.MSC1767v10)
+        expected = {
+            "content.body": "hello world!",
+            "room_id": "!test:test",
+            "sender": "@alice:test",
+            "type": "m.room.message",
+        }
+        self.assertEqual(expected, _flatten_dict(event))
+
 
 class PushRuleEvaluatorTestCase(unittest.TestCase):
     def _get_evaluator(