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