63 lines
1.5 KiB
Python
63 lines
1.5 KiB
Python
#!/usr/bin/python
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"""tests for the text printing function
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:author: `Patrick Kanzler <dev@pkanzler.de>`_
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:organization: `python-escpos <https://github.com/python-escpos>`_
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:copyright: Copyright (c) 2016 `python-escpos <https://github.com/python-escpos>`_
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:license: MIT
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"""
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import hypothesis.strategies as st
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import mock
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from hypothesis import given
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from escpos.printer import Dummy
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def get_printer() -> Dummy:
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return Dummy(magic_encode_args={"disabled": True, "encoding": "CP437"})
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@given(text=st.text())
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def test_text(text: str):
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"""Test that text() calls the MagicEncode object."""
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instance = get_printer()
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with mock.patch.object(instance.magic, "write") as write:
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instance.text(text)
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write.assert_called_with(text)
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def test_block_text() -> None:
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printer = get_printer()
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printer.block_text(
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"All the presidents men were eating falafel for breakfast.", font="a"
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)
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assert (
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printer.output == b"All the presidents men were eating falafel\nfor breakfast."
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)
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def test_textln() -> None:
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printer = get_printer()
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printer.textln("hello, world")
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assert printer.output == b"hello, world\n"
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def test_textln_empty() -> None:
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printer = get_printer()
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printer.textln()
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assert printer.output == b"\n"
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def test_ln() -> None:
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printer = get_printer()
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printer.ln()
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assert printer.output == b"\n"
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def test_multiple_ln() -> None:
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printer = get_printer()
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printer.ln(3)
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assert printer.output == b"\n\n\n"
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