mirror of
https://github.com/python-escpos/python-escpos
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128 lines
3.9 KiB
Python
128 lines
3.9 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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"""tests for the magic encode module
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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) 2016 `python-escpos <https://github.com/python-escpos>`_
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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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import pytest
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from nose.tools import raises, assert_raises
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from hypothesis import given, example
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import hypothesis.strategies as st
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from escpos.magicencode import MagicEncode, Encoder
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from escpos.katakana import encode_katakana
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from escpos.exceptions import CharCodeError, Error
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class TestEncoder:
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"""
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Tests the single encoders.
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"""
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def test_can_encode(self):
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assert not Encoder({'CP437': 1}).can_encode('CP437', u'€')
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assert Encoder({'CP437': 1}).can_encode('CP437', u'á')
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assert not Encoder({'foobar': 1}).can_encode('foobar', 'a')
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def test_find_suitable_encoding(self):
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assert not Encoder({'CP437': 1}).find_suitable_encoding(u'€')
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assert Encoder({'CP858': 1}).find_suitable_encoding(u'€') == 'CP858'
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@raises(ValueError)
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def test_get_encoding(self):
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Encoder({}).get_encoding_name('latin1')
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class TestMagicEncode:
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"""
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Tests the magic encode functionality.
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"""
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class TestInit:
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"""
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Test initialization.
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"""
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def test_disabled_requires_encoding(self, driver):
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"""
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Test that disabled without encoder raises an error.
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:param driver:
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"""
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with pytest.raises(Error):
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MagicEncode(driver, disabled=True)
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class TestWriteWithEncoding:
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def test_init_from_none(self, driver):
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encode = MagicEncode(driver, encoding=None)
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encode.write_with_encoding('CP858', '€ ist teuro.')
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assert driver.output == b'\x1bt\x13\xd5 ist teuro.'
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def test_change_from_another(self, driver):
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encode = MagicEncode(driver, encoding='CP437')
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encode.write_with_encoding('CP858', '€ ist teuro.')
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assert driver.output == b'\x1bt\x13\xd5 ist teuro.'
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def test_no_change(self, driver):
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encode = MagicEncode(driver, encoding='CP858')
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encode.write_with_encoding('CP858', '€ ist teuro.')
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assert driver.output == b'\xd5 ist teuro.'
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class TestWrite:
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def test_write(self, driver):
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encode = MagicEncode(driver)
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encode.write('€ ist teuro.')
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assert driver.output == b'\x1bt\x0f\xa4 ist teuro.'
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def test_write_disabled(self, driver):
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encode = MagicEncode(driver, encoding='CP437', disabled=True)
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encode.write('€ ist teuro.')
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assert driver.output == b'? ist teuro.'
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def test_write_no_codepage(self, driver):
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encode = MagicEncode(
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driver, defaultsymbol="_", encoder=Encoder({'CP437': 1}),
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encoding='CP437')
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encode.write(u'€ ist teuro.')
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assert driver.output == b'_ ist teuro.'
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class TestForceEncoding:
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def test(self, driver):
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encode = MagicEncode(driver)
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encode.force_encoding('CP437')
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assert driver.output == b'\x1bt\x00'
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encode.write('€ ist teuro.')
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assert driver.output == b'\x1bt\x00? ist teuro.'
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try:
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import jaconv
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except ImportError:
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jaconv = None
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@pytest.mark.skipif(not jaconv, reason="jaconv not installed")
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class TestKatakana:
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@given(st.text())
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@example("カタカナ")
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@example("あいうえお")
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@example("ﾊﾝｶｸｶﾀｶﾅ")
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def test_accept(self, text):
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encode_katakana(text)
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def test_result(self):
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assert encode_katakana('カタカナ') == b'\xb6\xc0\xb6\xc5'
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assert encode_katakana("あいうえお") == b'\xb1\xb2\xb3\xb4\xb5'
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