33 lines
971 B
Python
33 lines
971 B
Python
#!/usr/bin/python
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"""tests for line display
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:author: `Patrick Kanzler <patrick.kanzler@fablab.fau.de>`_
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:organization: `python-escpos <https://github.com/python-escpos>`_
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:copyright: Copyright (c) 2017 `python-escpos <https://github.com/python-escpos>`_
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:license: MIT
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"""
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import escpos.printer as printer
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def test_function_linedisplay_select_on():
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"""test the linedisplay_select function (activate)"""
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instance = printer.Dummy()
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instance.linedisplay_select(select_display=True)
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assert instance.output == b"\x1B\x3D\x02"
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def test_function_linedisplay_select_off():
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"""test the linedisplay_select function (deactivate)"""
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instance = printer.Dummy()
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instance.linedisplay_select(select_display=False)
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assert instance.output == b"\x1B\x3D\x01"
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def test_function_linedisplay_clear():
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"""test the linedisplay_clear function"""
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instance = printer.Dummy()
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instance.linedisplay_clear()
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assert instance.output == b"\x1B\x40"
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