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handle a case where the record is some customized item #616

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Jun 11, 2025
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2 changes: 1 addition & 1 deletion datadog_lambda/trigger.py
Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,7 @@ def parse_event_source(event: dict) -> _EventSource:
event_source = _EventSource(EventTypes.STEPFUNCTIONS)

event_record = get_first_record(event)
if event_record:
if event_record and isinstance(event_record, dict):
aws_event_source = event_record.get("eventSource") or event_record.get(
"EventSource"
)
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7 changes: 7 additions & 0 deletions tests/test_trigger.py
Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,13 @@ def test_detect_lambda_function_url_domain_with_invalid_input(self):
# Test with string that would normally cause an exception when split
self.assertFalse(detect_lambda_function_url_domain(""))

def test_event_source_with_non_dict_event_record(self):
# Test with event_record that's not a dictionary
event = {"Records": "not_a_dict"}
event_source = parse_event_source(event)
# Should handle the first non-dict record gracefully and return unknown
self.assertEqual(event_source.to_string(), "unknown")


class GetTriggerTags(unittest.TestCase):
def test_extract_trigger_tags_api_gateway(self):
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