def validate_choices(field, value):
valid, message = True, None
try:
to_choice_raise(field, value)
except Exception as e:
valid = False
message = str(e)
return valid, message
def test_datum(self):
field = Site._meta.get_field('datum')
# only the display name is valid, case insensitive
for value in [c[1] for c in DATUM_CHOICES]:
valid, message = validate_choices(field, value)
self.assertTrue(valid, msg="{} should be accepted as a valid choice".format(value))
valid, message = validate_choices(field, value.capitalize().lower())
self.assertTrue(valid, msg="{} should be accepted as a valid choice".format(value))
# the internal name is not valid
for value in [c[0] for c in DATUM_CHOICES]:
valid, message = validate_choices(field, value)
self.assertFalse(valid)
self.assertTrue(message)
# test that blank return the default choices
default_choice = field.default
blanks = ['', " ", None]
for value in blanks:
self.assertEqual(default_choice, to_choice_raise(field, value))
# test that blank, boolean, none, int doesn't break anything
for weird in [12, True, "hello world!", {}, []]:
valid, message = validate_choices(field, weird)
self.assertFalse(valid, msg="{} should not be accepted as a valid choice".format(weird))
self.assertTrue(message)