Made the schedulers explicitly raise a descriptive TypeError

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/test_schedulers.py b/tests/test_schedulers.py
index 7bd2301..515b824 100644
--- a/tests/test_schedulers.py
+++ b/tests/test_schedulers.py
@@ -1,4 +1,5 @@
 import logging
+import pickle
 from datetime import datetime, timedelta
 from threading import Thread
 
@@ -772,6 +773,9 @@ Jobstore other:
         assert len(scheduler_events) == 1
         assert scheduler_events[0].scheduled_run_times == [freeze_time.get(scheduler.timezone)]
 
+    def test_serialize_scheduler(self, scheduler):
+        pytest.raises(TypeError, pickle.dumps, scheduler).match('Schedulers cannot be serialized')
+
 
 class TestProcessJobs(object):
     @pytest.fixture