def test_validate_blank(self):
item = SelectMultipleField(choices=self.choices)
item.editable = True
item.blank = True
value = ['']
instance = "Fake Unused Instance"
self.assertIs(item.validate(value, instance), None)
def test_validate_not_blank(self):
item = SelectMultipleField(choices=self.choices)
item.editable = True
item.blank = False
value = []
instance = "Fake Unused Instance"
with self.assertRaises(ValidationError) as cm:
self.assertTrue(item.validate(value, instance))
self.assertEqual(cm.exception.messages[0],
SelectMultipleField.default_error_messages['blank'])
def test_validate_not_blank(self):
item = SelectMultipleField(choices=self.choices)
item.editable = True
item.blank = False
value = []
instance = "Fake Unused Instance"
with self.assertRaises(ValidationError) as cm:
self.assertTrue(item.validate(value, instance))
self.assertEqual(
cm.exception.messages[0],
SelectMultipleField.default_error_messages['blank']
)
def test_validate_option_choice_blank_values(self):
item = SelectMultipleField(choices=self.choices)
item.blank = True
self.assertTrue(item.blank)
for value in validators.EMPTY_VALUES:
self.assertTrue(item.validate_option(value))
