def is_required(self):
"""Checks if the data provided is not empty."""
default_message = '{} is required'.format(self.display_name)
if not CommonValidator.is_required(self.data):
self.validation_error_builder.add_error(self, default_message,
self.allow_multiple)
return self
def has_enough_fields_populated(self, no_of_fields):
"""Checks if a sufficient number of fields are populated in the dataset."""
populated_field_count = 0
for field in self.data:
if CommonValidator.is_required(field):
populated_field_count += 1
default_message = 'At least {} of {} is required'.format(
str(no_of_fields), self.display_name)
if populated_field_count < no_of_fields:
self.validation_error_builder.add_error(self, default_message)
return self
def test_is_required_true_when_input_provided(self):
result = CommonValidator.is_required(VALID_DATA)
self.assertTrue(result)
def test_is_required_false_when_input_empty(self):
result = CommonValidator.is_required(EMPTY_STRING)
self.assertFalse(result)
