Add a test case for slackapi#623

seratch · Apr 28, 2020 · c817eb5 · c817eb5
1 parent 31c252d
commit c817eb5
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/tests/web/classes/test_elements.py b/tests/web/classes/test_elements.py
@@ -217,6 +217,15 @@ def test_json(self):
                     ).to_dict(),
                 )
 
+    def test_issue_623(self):
+        elem = DatePickerElement(action_id='1', placeholder=None)
+        elem.to_dict() # no exception
+        elem = DatePickerElement(action_id='1')
+        elem.to_dict() # no exception
+        with self.assertRaises(SlackObjectFormationError):
+            elem = DatePickerElement(action_id='1', placeholder="12345" * 100)
+            elem.to_dict() # no exception
+
 
 # -------------------------------------------------
 # Image