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test_gtin13.py
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test_gtin13.py
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import unittest
from gtin13 import calculate_gtin13_barcode_check_digit, validate_gtin13_barcode_check_digit
class GTIN13Test(unittest.TestCase):
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
def test_calculate_gtin13_barcode_check_digit(self):
self.assertEqual(calculate_gtin13_barcode_check_digit('940055061977'), '5')
def test_second_calculate_gtin13_barcode_check_digit(self):
self.assertEqual(calculate_gtin13_barcode_check_digit('932769300242'), '7')
def test_calculate_gtin13_barcode_check_digit_where_check_digit_is_0(self):
self.assertEqual(calculate_gtin13_barcode_check_digit('735005385004'), '0')
def test_valid_validate_gtin13_barcode_check_digit(self):
self.assertEqual(
validate_gtin13_barcode_check_digit('7350053850040'),
'This is a valid gtin13 barcode.'
)
def test_invalid_validate_gtin13_barcode_check_digit(self):
self.assertEqual(
validate_gtin13_barcode_check_digit('7350053850042'),
'This is an invalid gtin13 barcode.'
)
if __name__ == "__main__":
tests = unittest.TestSuite((
unittest.makeSuite(GTIN13Test)
))
unittest.TextTestRunner().run(tests)