82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
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#!/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: GNU GPL v3
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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 with_setup
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import escpos.printer as printer
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import os
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from escpos.constants import QR_ECLEVEL_H, QR_MODEL_1
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devfile = 'testfile'
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def setup_testfile():
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"""create a testfile as devfile"""
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fhandle = open(devfile, 'a')
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try:
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os.utime(devfile, None)
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finally:
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fhandle.close()
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def teardown_testfile():
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"""destroy testfile again"""
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os.remove(devfile)
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@with_setup(setup_testfile, teardown_testfile)
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def test_function_qr_defaults():
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"""test QR code with defaults"""
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instance = printer.File(devfile=devfile)
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instance.qr("1234", native=True)
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instance.flush()
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with open(devfile, "rb") as f:
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assert(f.read() == b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E0\x1d(k\x07\x001P01234\x1d(k\x03\x001Q0')
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@with_setup(setup_testfile, teardown_testfile)
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def test_function_qr_empty():
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"""test QR printing blank code"""
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instance = printer.File(devfile=devfile)
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instance.qr("", native=True)
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instance.flush()
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with open(devfile, "rb") as f:
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assert(f.read() == b'')
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@with_setup(setup_testfile, teardown_testfile)
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def test_function_qr_ec():
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"""test QR error correction setting"""
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instance = printer.File(devfile=devfile)
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instance.qr("1234", native=True, ec=QR_ECLEVEL_H)
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instance.flush()
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with open(devfile, "rb") as f:
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assert(f.read() == b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E3\x1d(k\x07\x001P01234\x1d(k\x03\x001Q0')
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@with_setup(setup_testfile, teardown_testfile)
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def test_function_qr_size():
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"""test QR box size"""
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instance = printer.File(devfile=devfile)
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instance.qr("1234", native=True, size=7)
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instance.flush()
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with open(devfile, "rb") as f:
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assert(f.read() == b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x07\x1d(k\x03\x001E0\x1d(k\x07\x001P01234\x1d(k\x03\x001Q0')
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@with_setup(setup_testfile, teardown_testfile)
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def test_function_qr_model():
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"""test QR model"""
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instance = printer.File(devfile=devfile)
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instance.qr("1234", native=True, model=QR_MODEL_1)
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instance.flush()
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with open(devfile, "rb") as f:
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assert(f.read() == b'\x1d(k\x04\x001A1\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E0\x1d(k\x07\x001P01234\x1d(k\x03\x001Q0')
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