1 files changed, 27 insertions, 0 deletions
diff --git a/tests/push/test_push_rule_evaluator.py b/tests/push/test_push_rule_evaluator.py
index 4e858fd16f..1d30e3c3e4 100644
--- a/tests/push/test_push_rule_evaluator.py
+++ b/tests/push/test_push_rule_evaluator.py
@@ -401,6 +401,33 @@ class PushRuleEvaluatorTestCase(unittest.TestCase):
             "pattern should not match before a newline",
         )
 
+    def test_event_match_pattern(self) -> None:
+        """Check that event_match conditions do not use a "pattern_type" from user data."""
+
+        # The pattern_type should not be deserialized into anything valid.
+        condition = {
+            "kind": "event_match",
+            "key": "content.value",
+            "pattern_type": "user_id",
+        }
+        self._assert_not_matches(
+            condition,
+            {"value": "@user:test"},
+            "should not be possible to pass a pattern_type in",
+        )
+
+        # This is an internal-only condition which shouldn't get deserialized.
+        condition = {
+            "kind": "event_match_type",
+            "key": "content.value",
+            "pattern_type": "user_id",
+        }
+        self._assert_not_matches(
+            condition,
+            {"value": "@user:test"},
+            "should not be possible to pass a pattern_type in",
+        )
+
     def test_exact_event_match_string(self) -> None:
         """Check that exact_event_match conditions work as expected for strings."""