def clean_barcode(self):
barcode = self.cleaned_data.get('barcode')
if barcode:
try:
barcode = verify_barcode(self._barcode_system, barcode)
except BarcodeError, e:
self.field_error('barcode', e.msg)
def clean(self):
d = super(ProductFormBase, self).clean()
barcode_system = d.get('barcode_system')
barcode = d.get('barcode')
if barcode_system is None:
barcode_system = self._request.settings.barcode_system
# verify that the barcode is correct...
if barcode and barcode_system:
try:
d['barcode'] = verify_barcode(barcode_system, barcode)
except BarcodeError, e:
self.field_error('barcode', e.msg)
def test_should_raise_error_if_given_barcode_system_is_not_valid(self):
with self.assertRaisesRegexp(
BarcodeError,
'The barcode system \'foo\' is not known or invalid'):
verify_barcode('foo', '9780596809485')
def test_should_raise_error_if_barcode_decoder_cannot_decode_barcode(self):
with self.assertRaisesRegexp(BarcodeError,
'ISBN must start with 978 or 979'):
verify_barcode('isbn', '123456789')
def test_should_raise_error_if_checksum_digit_is_missing_with_formatting(
self):
with self.assertRaisesRegexp(
BarcodeError,
'The barcode checksum is invalid\. Missing digits: 5\?'):
verify_barcode('isbn', '978-0-596-80948')
def test_should_raise_error_if_checksum_digit_is_incorrect(self):
with self.assertRaisesRegexp(
BarcodeError,
'The barcode checksum is invalid\. Missing digits: 5\?'):
verify_barcode('isbn', '9780596809480')
def test_should_raise_error_if_barcode_is_too_short(self):
with self.assertRaisesRegexp(
BarcodeError, 'The barcode must have at least 6 digits'):
verify_barcode('isbn', '978')
def test_should_raise_error_if_barcode_is_empty(self):
with self.assertRaisesRegexp(
BarcodeError, 'The barcode must have at least 6 digits'):
verify_barcode('ean', '')
def test_should_return_full_unformatted_barcode_if_valid_formatted_barcode_was_given(
self):
bc = verify_barcode('isbn', '978-0-596-809485')
self.assertEqual('9780596809485', bc)
