add test

tests/sentry/event_manager/test_event_manager_grouping.py

@@ -14,9 +14,12 @@
 from sentry.grouping.result import CalculatedHashes
 from sentry.models.auditlogentry import AuditLogEntry
 from sentry.models.group import Group
+from sentry.models.grouphash import GroupHash
+from sentry.models.grouphashmetadata import GroupHashMetadata
 from sentry.projectoptions.defaults import DEFAULT_GROUPING_CONFIG
 from sentry.testutils.cases import TestCase
 from sentry.testutils.helpers.eventprocessing import save_new_event
+from sentry.testutils.helpers.options import override_options
 from sentry.testutils.pytest.fixtures import django_db_all
 from sentry.testutils.silo import assume_test_silo_mode_of
 from sentry.testutils.skips import requires_snuba
@@ -165,6 +168,30 @@ def test_auto_updates_grouping_config(self):
         )
         assert actual_expiry == expected_expiry or actual_expiry == expected_expiry - 1
 
+    def test_creates_grouphash_metadata_when_appropriate(self):
+        # The killswitch is obeyed
+        with override_options({"grouping.grouphash_metadata.ingestion_writes_enabled": False}):
+            event1 = save_new_event({"message": "Dogs are great!"}, self.project)
+            grouphash = GroupHash.objects.filter(
+                project=self.project, hash=event1.get_primary_hash()
+            ).first()
+            assert grouphash and grouphash.metadata is None
+
+        # New hashes get metadata
+        event2 = save_new_event({"message": "Adopt, don't shop"}, self.project)
+        grouphash = GroupHash.objects.filter(
+            project=self.project, hash=event2.get_primary_hash()
+        ).first()
+        assert grouphash and isinstance(grouphash.metadata, GroupHashMetadata)
+
+        # Existing hashes aren't backfiled when new events are assigned to them
+        event3 = save_new_event({"message": "Dogs are great!"}, self.project)
+        assert event3.get_primary_hash() == event1.get_primary_hash()
+        grouphash = GroupHash.objects.filter(
+            project=self.project, hash=event3.get_primary_hash()
+        ).first()
+        assert grouphash and grouphash.metadata is None
+
 
 class PlaceholderTitleTest(TestCase):
     """