93 lines
4.8 KiB
Python
93 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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#
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import unittest
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from nose import tools
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import warnings
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from kitchen.text import utf8
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import base_classes
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class TestUTF8(base_classes.UnicodeTestData, unittest.TestCase):
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def setUp(self):
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# All of the utf8* functions are deprecated
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warnings.simplefilter('ignore', DeprecationWarning)
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def tearDown(self):
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warnings.simplefilter('default', DeprecationWarning)
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def test_utf8_width(self):
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'''Test that we find the proper number of spaces that a utf8 string will consume'''
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tools.ok_(utf8.utf8_width(self.utf8_japanese) == 31)
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tools.ok_(utf8.utf8_width(self.utf8_spanish) == 50)
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tools.ok_(utf8.utf8_width(self.utf8_mixed) == 23)
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def test_utf8_width_non_utf8(self):
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'''Test that we handle non-utf8 bytes in utf8_width without backtracing'''
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# utf8_width() treats non-utf8 byte sequences as undecodable so you
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# end up with less characters than normal. In this string:
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# Python-2.7+ replaces problematic characters in a different manner
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# than older pythons.
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# Python >= 2.7:
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# El veloz murci<63>lago salt<6C> sobre el perro perezoso.
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# Python < 2.7:
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# El veloz murci<63>go salt<6C>bre el perro perezoso.
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if len(unicode(u'\xe9la'.encode('latin1'), 'utf8', 'replace')) == 1:
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# Python < 2.7
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tools.ok_(utf8.utf8_width(self.latin1_spanish) == 45)
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else:
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# Python >= 2.7
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tools.ok_(utf8.utf8_width(self.latin1_spanish) == 50)
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def test_utf8_width_chop(self):
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'''utf8_width_chop with byte strings'''
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tools.ok_(utf8.utf8_width_chop(self.utf8_mixed) == (23, self.utf8_mixed))
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tools.ok_(utf8.utf8_width_chop(self.utf8_mixed, 23) == (23, self.utf8_mixed))
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tools.ok_(utf8.utf8_width_chop(self.utf8_mixed, 22) == (22, self.utf8_mixed[:-1]))
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tools.ok_(utf8.utf8_width_chop(self.utf8_mixed, 19) == (18, self.u_mixed[:-4].encode('utf8')))
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tools.ok_(utf8.utf8_width_chop(self.utf8_mixed, 2) == (2, self.u_mixed[0].encode('utf8')))
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tools.ok_(utf8.utf8_width_chop(self.utf8_mixed, 1) == (0, ''))
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def test_utf8_width_chop_unicode(self):
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'''utf8_width_chop with unicode input'''
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tools.ok_(utf8.utf8_width_chop(self.u_mixed) == (23, self.u_mixed))
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tools.ok_(utf8.utf8_width_chop(self.u_mixed, 23) == (23, self.u_mixed))
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tools.ok_(utf8.utf8_width_chop(self.u_mixed, 22) == (22, self.u_mixed[:-1]))
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tools.ok_(utf8.utf8_width_chop(self.u_mixed, 19) == (18, self.u_mixed[:-4]))
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tools.ok_(utf8.utf8_width_chop(self.u_mixed, 2) == (2, self.u_mixed[0]))
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tools.ok_(utf8.utf8_width_chop(self.u_mixed, 1) == (0, u''))
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def test_utf8_width_fill(self):
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'''Pad a utf8 string'''
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tools.ok_(utf8.utf8_width_fill(self.utf8_mixed, 1) == self.utf8_mixed)
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tools.ok_(utf8.utf8_width_fill(self.utf8_mixed, 25) == self.utf8_mixed + ' ')
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tools.ok_(utf8.utf8_width_fill(self.utf8_mixed, 25, left=False) == ' ' + self.utf8_mixed)
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tools.ok_(utf8.utf8_width_fill(self.utf8_mixed, 25, chop=18) == self.u_mixed[:-4].encode('utf8') + ' ')
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tools.ok_(utf8.utf8_width_fill(self.utf8_mixed, 25, chop=18, prefix=self.utf8_spanish, suffix=self.utf8_spanish) == self.utf8_spanish + self.u_mixed[:-4].encode('utf8') + self.utf8_spanish + ' ')
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tools.ok_(utf8.utf8_width_fill(self.utf8_mixed, 25, chop=18) == self.u_mixed[:-4].encode('utf8') + ' ')
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tools.ok_(utf8.utf8_width_fill(self.u_mixed, 25, chop=18, prefix=self.u_spanish, suffix=self.utf8_spanish) == self.u_spanish.encode('utf8') + self.u_mixed[:-4].encode('utf8') + self.u_spanish.encode('utf8') + ' ')
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pass
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def test_utf8_valid(self):
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'''Test that a utf8 byte sequence is validated'''
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warnings.simplefilter('ignore', DeprecationWarning)
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tools.ok_(utf8.utf8_valid(self.utf8_japanese) == True)
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tools.ok_(utf8.utf8_valid(self.utf8_spanish) == True)
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warnings.simplefilter('default', DeprecationWarning)
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def test_utf8_invalid(self):
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'''Test that we return False with non-utf8 chars'''
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warnings.simplefilter('ignore', DeprecationWarning)
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tools.ok_(utf8.utf8_valid('\xff') == False)
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tools.ok_(utf8.utf8_valid(self.latin1_spanish) == False)
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warnings.simplefilter('default', DeprecationWarning)
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def test_utf8_text_wrap(self):
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tools.ok_(utf8.utf8_text_wrap(self.utf8_mixed) == [self.utf8_mixed])
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tools.ok_(utf8.utf8_text_wrap(self.utf8_paragraph) == self.utf8_paragraph_out)
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tools.ok_(utf8.utf8_text_wrap(self.utf8_mixed_para) == self.utf8_mixed_para_out)
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tools.ok_(utf8.utf8_text_wrap(self.utf8_mixed_para, width=57,
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initial_indent=' ', subsequent_indent='----') ==
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self.utf8_mixed_para_57_initial_subsequent_out)
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