Store event type on instance attribute event_type

lintipy.py

@@ -45,6 +45,8 @@ def __call__(self, event, context):
         self.event = event
         self.context = context
         self.hook = json.loads(self.event['Records'][0]['Sns']['Message'])
+        self.event_type = self.event['Records'][0]['Sns']['Subject']
+        logger.info('Received %s event', self.event_type)
         logger.debug(self.hook)
 
     @classmethod

tests/test_lintipy.py

@@ -32,6 +32,7 @@ def handler(self):
         notice['Records'][0]['Sns']['Subject'] = subject
         notice['Records'][0]['Sns']['Message'] = message
         hnd.event = notice
+        hnd.event_type = subject
         hnd.hook = json.loads(message)
         hnd._session = requests.Session()
         return hnd
@@ -81,9 +82,12 @@ def test_call(self, handler, caplog):
             content_type='application/json',
         )
         handler.download_code = lambda: '.'
+        handler.event_type = None
         with caplog.at_level(logging.INFO, logger='lintipy'):
             handler(handler.event, {})
         assert "linter exited with status code 0 in " in caplog.text
+        assert "Received check_run event" in caplog.text
+        assert handler.event_type == 'check_run'
 
         handler.cmd = 'tests.exit1'
         with caplog.at_level(logging.INFO, logger='lintipy'):