# -*- coding: utf-8 -*- from __future__ import unicode_literals import warnings from django.test import SimpleTestCase from django.utils import text class TestUtilsText(SimpleTestCase): def test_truncate_chars(self): truncator = text.Truncator( 'The quick brown fox jumped over the lazy dog.' ) self.assertEqual('The quick brown fox jumped over the lazy dog.', truncator.chars(100)), self.assertEqual('The quick brown fox ...', truncator.chars(23)), self.assertEqual('The quick brown fo.....', truncator.chars(23, '.....')), # Ensure that we normalize our unicode data first nfc = text.Truncator('o\xfco\xfco\xfco\xfc') nfd = text.Truncator('ou\u0308ou\u0308ou\u0308ou\u0308') self.assertEqual('oüoüoüoü', nfc.chars(8)) self.assertEqual('oüoüoüoü', nfd.chars(8)) self.assertEqual('oü...', nfc.chars(5)) self.assertEqual('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('-B\u030AB\u030A----8') self.assertEqual('-B\u030A...', truncator.chars(5)) self.assertEqual('-B\u030AB\u030A-...', truncator.chars(7)) self.assertEqual('-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('-----') self.assertEqual('---B\u030A', truncator.chars(4, 'B\u030A')) self.assertEqual('-----', truncator.chars(5, '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('...', text.Truncator('asdf').chars(1)) def test_truncate_words(self): truncator = text.Truncator('The quick brown fox jumped over the lazy ' 'dog.') self.assertEqual('The quick brown fox jumped over the lazy dog.', truncator.words(10)) self.assertEqual('The quick brown fox...', truncator.words(4)) self.assertEqual('The quick brown fox[snip]', truncator.words(4, '[snip]')) def test_truncate_html_words(self): truncator = text.Truncator('

The quick brown fox' ' jumped over the lazy dog.

') self.assertEqual('

The quick brown fox jumped over' ' the lazy dog.

', truncator.words(10, html=True)) self.assertEqual('

The quick brown fox...' '

', truncator.words(4, html=True)) self.assertEqual('

The quick brown fox....' '

', truncator.words(4, '....', html=True)) self.assertEqual('

The quick brown fox' '

', truncator.words(4, '', html=True)) # Test with new line inside tag truncator = text.Truncator('

The quick brown fox jumped over the lazy dog.

') self.assertEqual('

The quick brown...

', truncator.words(3, '...', html=True)) # Test self-closing tags truncator = text.Truncator('
The
quick brown fox jumped over' ' the lazy dog.') self.assertEqual('
The
quick brown...', truncator.words(3, '...', html=True )) truncator = text.Truncator('
The
quick brown fox ' 'jumped over the lazy dog.') self.assertEqual('
The
quick brown...', truncator.words(3, '...', html=True )) def test_wrap(self): digits = '1234 67 9' self.assertEqual(text.wrap(digits, 100), '1234 67 9') self.assertEqual(text.wrap(digits, 9), '1234 67 9') self.assertEqual(text.wrap(digits, 8), '1234 67\n9') self.assertEqual(text.wrap('short\na long line', 7), 'short\na long\nline') self.assertEqual(text.wrap('do-not-break-long-words please? ok', 8), '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), 'a\n%s\nword' % long_word) def test_slugify(self): items = ( ('Hello, World!', 'hello-world'), ('spam & eggs', 'spam-eggs'), ) for value, output in items: self.assertEqual(text.slugify(value), output) def test_unescape_entities(self): items = [ ('', ''), ('foo', 'foo'), ('&', '&'), ('&', '&'), ('&', '&'), ('foo & bar', 'foo & bar'), ('foo & bar', 'foo & bar'), ] for value, output in items: self.assertEqual(text.unescape_entities(value), output)