# -*- coding: utf-8 -*- from __future__ import unicode_literals from datetime import datetime import os from django.utils import html from django.utils._os import upath from django.utils.encoding import force_text from django.utils.unittest import TestCase class TestUtilsHtml(TestCase): def check_output(self, function, value, output=None): """ Check that function(value) equals output. If output is None, check that function(value) equals value. """ if output is None: output = value self.assertEqual(function(value), output) def test_escape(self): f = html.escape items = ( ('&','&'), ('<', '<'), ('>', '>'), ('"', '"'), ("'", '''), ) # Substitution patterns for testing the above items. patterns = ("%s", "asdf%sfdsa", "%s1", "1%sb") for value, output in items: for pattern in patterns: self.check_output(f, pattern % value, pattern % output) # Check repeated values. self.check_output(f, value * 2, output * 2) # Verify it doesn't double replace &. self.check_output(f, '<&', '<&') def test_format_html(self): self.assertEqual( html.format_html("{0} {1} {third} {fourth}", "< Dangerous >", html.mark_safe("safe"), third="< dangerous again", fourth=html.mark_safe("safe again") ), "< Dangerous > safe < dangerous again safe again" ) def test_linebreaks(self): f = html.linebreaks items = ( ("para1\n\npara2\r\rpara3", "

para1

\n\n

para2

\n\n

para3

"), ("para1\nsub1\rsub2\n\npara2", "

para1
sub1
sub2

\n\n

para2

"), ("para1\r\n\r\npara2\rsub1\r\rpara4", "

para1

\n\n

para2
sub1

\n\n

para4

"), ("para1\tmore\n\npara2", "

para1\tmore

\n\n

para2

"), ) for value, output in items: self.check_output(f, value, output) def test_strip_tags(self): f = html.strip_tags items = ( ('

See: 'é is an apostrophe followed by e acute

', 'See: 'é is an apostrophe followed by e acute'), ('a', 'a'), ('a', 'a'), ('e', 'e'), ('hi, b2!', 'b7>b2!'), ('b', 'b'), ('a

b

c', 'abc'), ('a

b

c', 'abc'), ('de

f', 'def'), ('foobar', 'foobar'), ) for value, output in items: self.check_output(f, value, output) # Some convoluted syntax for which parsing may differ between python versions output = html.strip_tags('ript>test</script>') self.assertNotIn('&h') self.assertNotIn('', '\\u003Cscript\\u003Eand this\\u003C/script\\u003E'), ('paragraph separator:\u2029and line separator:\u2028', 'paragraph separator:\\u2029and line separator:\\u2028'), ) for value, output in items: self.check_output(f, value, output) def test_clean_html(self): f = html.clean_html items = ( ('

I believe in semantic markup!

', '

I believe in semantic markup!

'), ('I escape & I don\'t target', 'I escape & I don\'t target'), ('

I kill whitespace


 

', '

I kill whitespace

'), # also a regression test for #7267: this used to raise an UnicodeDecodeError ('

* foo

* bar

', '
    \n
  • foo
  • bar
  • \n
'), ) for value, output in items: self.check_output(f, value, output) def test_remove_tags(self): f = html.remove_tags items = ( ("Yes", "b i", "Yes"), ("x

y

", "a b", "x

y

"), ) for value, tags, output in items: self.assertEqual(f(value, tags), output) def test_smart_urlquote(self): quote = html.smart_urlquote # Ensure that IDNs are properly quoted self.assertEqual(quote('http://öäü.com/'), 'http://xn--4ca9at.com/') self.assertEqual(quote('http://öäü.com/öäü/'), 'http://xn--4ca9at.com/%C3%B6%C3%A4%C3%BC/') # Ensure that everything unsafe is quoted, !*'();:@&=+$,/?#[]~ is considered safe as per RFC self.assertEqual(quote('http://example.com/path/öäü/'), 'http://example.com/path/%C3%B6%C3%A4%C3%BC/') self.assertEqual(quote('http://example.com/%C3%B6/ä/'), 'http://example.com/%C3%B6/%C3%A4/') self.assertEqual(quote('http://example.com/?x=1&y=2'), 'http://example.com/?x=1&y=2')