fixup! Add start of tests

tests/test_zinolib_event_types.py

@@ -51,6 +51,33 @@ def test_get_downtime_should_fail_noisily_on_non_PortStateEvent(self):
         with self.assertRaises(AttributeError):
             event.get_downtime()
 
+    def test_ac_down_field_should_be_timedelta(self):
+        # pydantic changes its mind as to what formats are supported
+        # so we double check here
+        minimal_input = common_minimal_input.copy()
+        minimal_input.update(**{
+            "type": Event.Type.REACHABILITY,
+            "reachability": "fjgh",
+            "ac_down": 4564654,
+        })
+        event = Event.create(minimal_input)
+        self.assertTrue(isinstance(event.ac_down, timedelta))
+
+    def test_lasttrans_and_updated_should_be_datetime(self):
+        # pydantic changes its mind as to what formats are supported
+        # so we double check here
+        input = common_minimal_input.copy()
+        input.update(**{
+            "type": Event.Type.REACHABILITY,
+            "reachability": "fjgh",
+            "ac_down": 4564654,
+            "lasttrans": "1234567890",
+            "updated": "1234567890",
+        })
+        event = Event.create(input)
+        self.assertTrue(isinstance(event.lasttrans, datetime))
+        self.assertTrue(isinstance(event.updated, datetime))
+
 
 class AlarmEventTest(unittest.TestCase):