#!/usr/bin/python from __future__ import absolute_import from __future__ import division from __future__ import print_function from __future__ import unicode_literals import escpos.printer as printer from escpos.constants import BARCODE_TYPE_A, BARCODE_TYPE_B from escpos.capabilities import Profile, BARCODE_B from escpos.exceptions import BarcodeTypeError import pytest @pytest.mark.parametrize("bctype,data,expected", [ ('EAN13', '4006381333931', b'\x1ba\x01\x1dh@\x1dw\x03\x1df\x00\x1dH\x02\x1dk\x024006381333931\x00') ]) def test_barcode(bctype, data, expected): instance = printer.Dummy() instance.barcode(data, bctype) assert instance.output == expected @pytest.mark.parametrize("bctype,supports_b", [ ('invalid', True), ('CODE128', False), ]) def test_lacks_support(bctype, supports_b): profile = Profile(features={BARCODE_B: supports_b}) instance = printer.Dummy(profile=profile) with pytest.raises(BarcodeTypeError): instance.barcode('test', bctype) assert instance.output == b''