Merge pull request #819 from dod-ccpo/handle-none-checkbox-value

Catch None values for IsNumber validator

atst/forms/validators.py

@@ -32,7 +32,7 @@ def IsNumber(message=translate("forms.validators.is_number_message")):
     def _is_number(form, field):
         try:
             int(field.data)
-        except ValueError:
+        except (ValueError, TypeError):
             raise ValidationError(message)
 
     return _is_number

tests/forms/test_validators.py

@@ -17,7 +17,7 @@ class TestIsNumber:
         dummy_field.data = valid
         validator(dummy_form, dummy_field)
 
-    @pytest.mark.parametrize("invalid", ["12.1", "two", ""])
+    @pytest.mark.parametrize("invalid", ["12.1", "two", "", None])
     def test_IsNumber_rejects_anything_else(self, invalid, dummy_form, dummy_field):
         validator = IsNumber()
         dummy_field.data = invalid