def test__validate_check_start__passes_expected_1_step():
"""Confirms validator passes expected result with step = 1."""
try:
validators.validate_checksum_start(12, 1)
except ValidationError:
assert False
else:
assert True
def clean(self):
"""Method to allow additional validation steps.
:raises ValidationError: if start value is not a multiple
of the step
"""
# Confirm a valid start and step are entered
validate_checksum_start(self.drug_code_start, self.drug_code_step)
def test__validate_check_start__fails_100_step():
"""Confirms validator fails with step = 100."""
try:
validators.validate_checksum_start(122, 100)
except ValidationError as e:
assert 'Start values must be multiples of the step' in e.message
assert '0, 100, 200, etc.' in e.message
assert e.params == {'start': 122, 'step': 100}
else:
assert False
