def test_get_barcodes_error(self):
with self.assertRaises(ValueError):
get_barcodes(2000000)
def test_get_barcodes(self):
obs = get_barcodes(2)
self.assertEqual(obs, ['000000005', '000000006'])
obs = get_barcodes(3)
self.assertEqual(obs, ['000000005', '000000006', '000000007'])
