114 lines
3.2 KiB
Python
114 lines
3.2 KiB
Python
#!/usr/bin/python
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"""test native QR code printing
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:author: `Michael Billington <michael.billington@gmail.com>`_
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:organization: `python-escpos <https://github.com/python-escpos>`_
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:copyright: Copyright (c) 2016 `Michael Billington <michael.billington@gmail.com>`_
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:license: MIT
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"""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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from nose.tools import raises
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import pytest
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import escpos.printer as printer
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from escpos.constants import QR_ECLEVEL_H, QR_MODEL_1
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def test_defaults():
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"""Test QR code with defaults"""
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instance = printer.Dummy()
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instance.qr("1234", native=True)
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expected = b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E0\x1d' \
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b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
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assert(instance.output == expected)
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def test_empty():
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"""Test QR printing blank code"""
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instance = printer.Dummy()
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instance.qr("", native=True)
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assert(instance.output == b'')
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def test_ec():
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"""Test QR error correction setting"""
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instance = printer.Dummy()
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instance.qr("1234", native=True, ec=QR_ECLEVEL_H)
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expected = b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E3\x1d' \
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b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
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assert(instance.output == expected)
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def test_size():
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"""Test QR box size"""
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instance = printer.Dummy()
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instance.qr("1234", native=True, size=7)
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expected = b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x07\x1d(k\x03\x001E0\x1d' \
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b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
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assert(instance.output == expected)
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def test_model():
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"""Test QR model"""
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instance = printer.Dummy()
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instance.qr("1234", native=True, model=QR_MODEL_1)
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expected = b'\x1d(k\x04\x001A1\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E0\x1d' \
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b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
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assert(instance.output == expected)
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@raises(ValueError)
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def test_invalid_ec():
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"""Test invalid QR error correction"""
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instance = printer.Dummy()
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instance.qr("1234", native=True, ec=-1)
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@raises(ValueError)
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def test_invalid_size():
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"""Test invalid QR size"""
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instance = printer.Dummy()
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instance.qr("1234", native=True, size=0)
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@raises(ValueError)
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def test_invalid_model():
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"""Test invalid QR model"""
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instance = printer.Dummy()
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instance.qr("1234", native=True, model="Hello")
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@pytest.mark.skip("this test has to be debugged")
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def test_image():
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"""Test QR as image"""
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instance = printer.Dummy()
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instance.qr("1", native=False, size=1)
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print(instance.output)
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expected = b'\x1bt\x00\n' \
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b'\x1dv0\x00\x03\x00\x17\x00\x00\x00\x00\x7f]\xfcA\x19\x04]it]et' \
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b']ItA=\x04\x7fU\xfc\x00\x0c\x00y~t4\x7f =\xa84j\xd9\xf0\x05\xd4\x90\x00' \
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b'i(\x7f<\xa8A \xd8]\'\xc4]y\xf8]E\x80Ar\x94\x7fR@\x00\x00\x00' \
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b'\n\n'
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assert(instance.output == expected)
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@raises(ValueError)
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def test_image_invalid_model():
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"""Test unsupported QR model as image"""
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instance = printer.Dummy()
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instance.qr("1234", native=False, model=QR_MODEL_1)
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@pytest.fixture
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def instance():
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return printer.Dummy()
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def test_center_not_implementer(instance):
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with pytest.raises(NotImplementedError):
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instance.qr("test", center=True, native=True)
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