105 lines
5.4 KiB
Python
105 lines
5.4 KiB
Python
# -*- coding: utf-8 -*-
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import unittest
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from django.utils import text
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class TestUtilsText(unittest.TestCase):
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def test_truncate_chars(self):
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truncator = text.Truncator(
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u'The quick brown fox jumped over the lazy dog.'
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)
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self.assertEqual(u'The quick brown fox jumped over the lazy dog.',
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truncator.chars(100)),
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self.assertEqual(u'The quick brown fox ...',
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truncator.chars(23)),
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self.assertEqual(u'The quick brown fo.....',
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truncator.chars(23, '.....')),
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# Ensure that we normalize our unicode data first
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nfc = text.Truncator(u'o\xfco\xfco\xfco\xfc')
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nfd = text.Truncator(u'ou\u0308ou\u0308ou\u0308ou\u0308')
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self.assertEqual(u'oüoüoüoü', nfc.chars(8))
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self.assertEqual(u'oüoüoüoü', nfd.chars(8))
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self.assertEqual(u'oü...', nfc.chars(5))
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self.assertEqual(u'oü...', nfd.chars(5))
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# Ensure the final length is calculated correctly when there are
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# combining characters with no precomposed form, and that combining
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# characters are not split up.
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truncator = text.Truncator(u'-B\u030AB\u030A----8')
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self.assertEqual(u'-B\u030A...', truncator.chars(5))
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self.assertEqual(u'-B\u030AB\u030A-...', truncator.chars(7))
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self.assertEqual(u'-B\u030AB\u030A----8', truncator.chars(8))
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# Ensure the length of the end text is correctly calculated when it
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# contains combining characters with no precomposed form.
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truncator = text.Truncator(u'-----')
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self.assertEqual(u'---B\u030A', truncator.chars(4, u'B\u030A'))
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self.assertEqual(u'-----', truncator.chars(5, u'B\u030A'))
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# Make a best effort to shorten to the desired length, but requesting
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# a length shorter than the ellipsis shouldn't break
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self.assertEqual(u'...', text.Truncator(u'asdf').chars(1))
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def test_truncate_words(self):
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truncator = text.Truncator(u'The quick brown fox jumped over the lazy '
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'dog.')
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self.assertEqual(u'The quick brown fox jumped over the lazy dog.',
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truncator.words(10))
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self.assertEqual(u'The quick brown fox...', truncator.words(4))
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self.assertEqual(u'The quick brown fox[snip]',
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truncator.words(4, '[snip]'))
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def test_truncate_html_words(self):
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truncator = text.Truncator('<p><strong><em>The quick brown fox jumped '
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'over the lazy dog.</em></strong></p>')
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self.assertEqual(u'<p><strong><em>The quick brown fox jumped over the '
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'lazy dog.</em></strong></p>', truncator.words(10, html=True))
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self.assertEqual(u'<p><strong><em>The quick brown fox...</em>'
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'</strong></p>', truncator.words(4, html=True))
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self.assertEqual(u'<p><strong><em>The quick brown fox....</em>'
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'</strong></p>', truncator.words(4, '....', html=True))
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self.assertEqual(u'<p><strong><em>The quick brown fox</em></strong>'
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'</p>', truncator.words(4, '', html=True))
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# Test with new line inside tag
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truncator = text.Truncator('<p>The quick <a href="xyz.html"\n'
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'id="mylink">brown fox</a> jumped over the lazy dog.</p>')
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self.assertEqual(u'<p>The quick <a href="xyz.html"\n'
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'id="mylink">brown...</a></p>', truncator.words(3, '...', html=True))
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def test_old_truncate_words(self):
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self.assertEqual(u'The quick brown fox jumped over the lazy dog.',
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text.truncate_words(u'The quick brown fox jumped over the lazy dog.', 10))
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self.assertEqual(u'The quick brown fox ...',
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text.truncate_words('The quick brown fox jumped over the lazy dog.', 4))
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self.assertEqual(u'The quick brown fox ....',
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text.truncate_words('The quick brown fox jumped over the lazy dog.', 4, '....'))
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def test_old_truncate_html_words(self):
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self.assertEqual(u'<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>',
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text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 10))
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self.assertEqual(u'<p><strong><em>The quick brown fox ...</em></strong></p>',
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text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4))
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self.assertEqual(u'<p><strong><em>The quick brown fox ....</em></strong></p>',
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text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4, '....'))
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self.assertEqual(u'<p><strong><em>The quick brown fox</em></strong></p>',
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text.truncate_html_words('<p><strong><em>The quick brown fox jumped over the lazy dog.</em></strong></p>', 4, None))
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def test_wrap(self):
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digits = '1234 67 9'
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self.assertEqual(text.wrap(digits, 100), u'1234 67 9')
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self.assertEqual(text.wrap(digits, 9), u'1234 67 9')
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self.assertEqual(text.wrap(digits, 8), u'1234 67\n9')
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self.assertEqual(text.wrap('short\na long line', 7),
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u'short\na long\nline')
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self.assertEqual(text.wrap('do-not-break-long-words please? ok', 8),
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u'do-not-break-long-words\nplease?\nok')
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long_word = 'l%sng' % ('o' * 20)
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self.assertEqual(text.wrap(long_word, 20), long_word)
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self.assertEqual(text.wrap('a %s word' % long_word, 10),
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u'a\n%s\nword' % long_word)
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