XD-DENG commented on a change in pull request #4878: [AIRFLOW-4046] Added 
validations for poke_interval & timeout for Airflow Sensor
URL: https://github.com/apache/airflow/pull/4878#discussion_r264002773
 
 

 ##########
 File path: tests/sensors/test_base_sensor.py
 ##########
 @@ -464,3 +464,45 @@ def test_reschedule_with_test_mode(self):
                 self.assertEqual(len(task_reschedules), 0)
             if ti.task_id == DUMMY_OP:
                 self.assertEqual(ti.state, State.NONE)
+
+    def test_sensor_with_invalid_poke_interval(self):
+        negative_poke_interval = -10
+        non_number_poke_interval = "abcd"
+        positive_poke_interval = 10
+        with self.assertRaises(AirflowException):
+            sensor = self._make_sensor(
+                return_value=None,
+                poke_interval=negative_poke_interval,
+                timeout=25)
+
+            sensor = self._make_sensor(
+                return_value=None,
+                poke_interval=non_number_poke_interval,
+                timeout=25)
+
+        sensor = self._make_sensor(
+            return_value=None,
+            poke_interval=positive_poke_interval,
+            timeout=25)
+        del sensor
+
+    def test_sensor_with_invalid_timeout(self):
+        negative_timeout = -25
+        non_number_timeout = "abcd"
+        positive_timeout = 25
+        with self.assertRaises(AirflowException):
+            sensor = self._make_sensor(
+                return_value=None,
+                poke_interval=10,
+                timeout=negative_timeout)
+
+            sensor = self._make_sensor(
+                return_value=None,
+                poke_interval=10,
+                timeout=non_number_timeout)
+
+        sensor = self._make_sensor(
+            return_value=None,
+            poke_interval=10,
+            timeout=positive_timeout)
+        del sensor
 
 Review comment:
   The same comment here. You can just remove `sensor = ` at line 504, then you 
don't need to have this `del sensor`.

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