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tests.py
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tests.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
import pynliner
import StringIO
import logging
import cssutils
import mock
from pynliner import Pynliner
class Basic(unittest.TestCase):
def setUp(self):
self.html = "<style>h1 { color:#ffcc00; }</style><h1>Hello World!</h1>"
self.p = Pynliner().from_string(self.html)
def test_fromString(self):
"""Test 'fromString' constructor"""
self.assertEqual(self.p.source_string, self.html)
def test_get_soup(self):
"""Test '_get_soup' method"""
self.p._get_soup()
self.assertEqual(unicode(self.p.soup), self.html)
def test_get_styles(self):
"""Test '_get_styles' method"""
self.p._get_soup()
self.p._get_styles()
self.assertEqual(self.p.style_string, u'h1 { color:#ffcc00; }\n')
self.assertEqual(unicode(self.p.soup), u'<h1>Hello World!</h1>')
def test_apply_styles(self):
"""Test '_apply_styles' method"""
self.p._get_soup()
self.p._get_styles()
self.p._apply_styles()
attr_dict = dict(self.p.soup.contents[0].attrs)
self.assertTrue('style' in attr_dict)
self.assertEqual(attr_dict['style'], u'color: #fc0')
def test_run(self):
"""Test 'run' method"""
output = self.p.run()
self.assertEqual(output, u'<h1 style="color: #fc0">Hello World!</h1>')
def test_with_cssString(self):
"""Test 'with_cssString' method"""
cssString = 'h1 {color: #f00;}'
self.p.with_cssString(cssString)
output = self.p.run()
self.assertEqual(output, u'<h1 style="color: #f00">Hello World!</h1>')
def test_fromString_complete(self):
"""Test 'fromString' complete"""
output = pynliner.fromString(self.html)
desired = u'<h1 style="color: #fc0">Hello World!</h1>'
self.assertEqual(output, desired)
def test_fromURL(self):
"""Test 'fromURL' constructor"""
url = 'http://media.tannern.com/pynliner/test.html'
p = Pynliner()
with mock.patch.object(Pynliner, '_get_url') as mocked:
mocked.return_value = u"""<?xml version='1.0' encoding='utf-8'?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>test</title>
<link rel="stylesheet" type="text/css" href="test.css"/>
<style type="text/css">h1 {color: #fc0;}</style>
</head>
<body>
<h1>Hello World!</h1>
<p>:)</p>
</body>
</html>"""
p.from_url(url)
self.assertEqual(p.root_url, 'http://media.tannern.com')
self.assertEqual(p.relative_url, 'http://media.tannern.com/pynliner/')
p._get_soup()
with mock.patch.object(Pynliner, '_get_url') as mocked:
mocked.return_value = 'p {color: #999}'
p._get_external_styles()
self.assertEqual(p.style_string, "p {color: #999}")
p._get_internal_styles()
self.assertEqual(p.style_string, "p {color: #999}\nh1 {color: #fc0;}\n")
p._get_styles()
output = p.run()
desired = u"""<?xml version='1.0' encoding='utf-8'?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>test</title>
</head>
<body>
<h1 style="color: #fc0">Hello World!</h1>
<p style="color: #999">:)</p>
</body>
</html>"""
self.assertEqual(output, desired)
def test_overloaded_styles(self):
html = '<style>h1 { color: red; } #test { color: blue; }</style>' \
'<h1 id="test">Hello world!</h1>'
expected = '<h1 id="test" style="color: blue">Hello world!</h1>'
output = Pynliner().from_string(html).run()
self.assertEqual(expected, output)
def test_unicode_content(self):
html = u"""<h1>Hello World!</h1><p>\u2022 point</p>"""
css = """h1 { color: red; }"""
expected = u"""<h1 style="color: red">Hello World!</h1><p>\u2022 point</p>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_conditional_comments(self):
html = "<!-- <normal> --><!--[if condition]><p>special</p><![endif]-->"
expected = "<!-- <normal> --><!--[if condition]><p>special</p><![endif]-->"
output = Pynliner(allow_conditional_comments=True).from_string(html).run()
self.assertEqual(output, expected)
class ExternalStyles(unittest.TestCase):
def setUp(self):
self.html_template = """<link rel="stylesheet" href="{href}"></link><span class="b1">Bold</span><span class="b2 c">Bold Red</span>"""
self.root_url = 'http://server.com'
self.relative_url = 'http://server.com/parent/child/'
def _test_external_url(self, url, expected_url):
with mock.patch.object(Pynliner, '_get_url') as mocked:
def check_url(url):
self.assertEqual(url, expected_url)
return ".b1,.b2 { font-weight:bold; } .c {color: red}"
mocked.side_effect = check_url
p = Pynliner()
p.root_url = self.root_url
p.relative_url = self.relative_url
p.from_string(self.html_template.format(href=url))
p._get_soup()
p._get_styles()
def test_simple_url(self):
self._test_external_url('test.css', 'http://server.com/parent/child/test.css')
def test_relative_url(self):
self._test_external_url('../test.css', 'http://server.com/parent/test.css')
def test_absolute_url(self):
self._test_external_url('/something/test.css', 'http://server.com/something/test.css')
def test_external_url(self):
self._test_external_url('http://other.com/something/test.css', 'http://other.com/something/test.css')
def test_external_ssl_url(self):
self._test_external_url('https://other.com/something/test.css', 'https://other.com/something/test.css')
def test_external_schemeless_url(self):
self._test_external_url('//other.com/something/test.css', 'http://other.com/something/test.css')
class CommaSelector(unittest.TestCase):
def setUp(self):
self.html = """<style>.b1,.b2 { font-weight:bold; } .c {color: red}</style><span class="b1">Bold</span><span class="b2 c">Bold Red</span>"""
self.p = Pynliner().from_string(self.html)
def test_fromString(self):
"""Test 'fromString' constructor"""
self.assertEqual(self.p.source_string, self.html)
def test_get_soup(self):
"""Test '_get_soup' method"""
self.p._get_soup()
self.assertEqual(unicode(self.p.soup), self.html)
def test_get_styles(self):
"""Test '_get_styles' method"""
self.p._get_soup()
self.p._get_styles()
self.assertEqual(self.p.style_string, u'.b1,.b2 { font-weight:bold; } .c {color: red}\n')
self.assertEqual(unicode(self.p.soup), u'<span class="b1">Bold</span><span class="b2 c">Bold Red</span>')
def test_apply_styles(self):
"""Test '_apply_styles' method"""
self.p._get_soup()
self.p._get_styles()
self.p._apply_styles()
self.assertEqual(unicode(self.p.soup), u'<span class="b1" style="font-weight: bold">Bold</span><span class="b2 c" style="color: red; font-weight: bold">Bold Red</span>')
def test_run(self):
"""Test 'run' method"""
output = self.p.run()
self.assertEqual(output, u'<span class="b1" style="font-weight: bold">Bold</span><span class="b2 c" style="color: red; font-weight: bold">Bold Red</span>')
def test_with_cssString(self):
"""Test 'with_cssString' method"""
cssString = '.b1,.b2 {font-size: 2em;}'
self.p = Pynliner().from_string(self.html).with_cssString(cssString)
output = self.p.run()
self.assertEqual(output, u'<span class="b1" style="font-weight: bold; font-size: 2em">Bold</span><span class="b2 c" style="color: red; font-weight: bold; font-size: 2em">Bold Red</span>')
def test_fromString_complete(self):
"""Test 'fromString' complete"""
output = pynliner.fromString(self.html)
desired = u'<span class="b1" style="font-weight: bold">Bold</span><span class="b2 c" style="color: red; font-weight: bold">Bold Red</span>'
self.assertEqual(output, desired)
def test_comma_whitespace(self):
"""Test excess whitespace in CSS"""
html = '<style>h1, h2 ,h3,\nh4{ color: #000} </style><h1>1</h1><h2>2</h2><h3>3</h3><h4>4</h4>'
desired_output = '<h1 style="color: #000">1</h1><h2 style="color: #000">2</h2><h3 style="color: #000">3</h3><h4 style="color: #000">4</h4>'
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
def test_comma_separated_nested_styles(self):
html = """<style>.orange-wrapper p, .super-orange-wrapper p { color:orange; }</style><div class="orange-wrapper"><p>Orange</p></div><div><p>Black</p></div>"""
desired_output = """<div class="orange-wrapper"><p style="color: orange">Orange</p></div><div><p>Black</p></div>"""
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
class Extended(unittest.TestCase):
def test_overwrite(self):
"""Test overwrite inline styles"""
html = '<style>h1 {color: #000;}</style><h1 style="color: #fff">Foo</h1>'
desired_output = '<h1 style="color: #000; color: #fff">Foo</h1>'
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
def test_overwrite_comma(self):
"""Test overwrite inline styles"""
html = '<style>h1,h2,h3 {color: #000;}</style><h1 style="color: #fff">Foo</h1><h3 style="color: #fff">Foo</h3>'
desired_output = '<h1 style="color: #000; color: #fff">Foo</h1><h3 style="color: #000; color: #fff">Foo</h3>'
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
class MediaQuery(unittest.TestCase):
def setUp(self):
self.mq = '@media (min-width: 640px) { .infobox { float: right } }'
def test_leave_alone(self):
"""Test media queries are 'left alone'"""
html = '<style>' + self.mq + '</style>'\
'<h1>Foo</h1><div class="infobox">Blah</div>'
desired_output = '<style>' + self.mq + '</style>'\
'<h1>Foo</h1><div class="infobox">Blah</div>'
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
def test_mixed_styles(self):
"""Test media queries do not affect regular operation"""
html = '<style>' + self.mq + ' h1 {color:#ffcc00;}</style>'\
'<h1>Foo</h1><div class="infobox">Blah</div>'
desired_output = '<style>' + self.mq + '</style>'\
'<h1 style="color: #fc0">Foo</h1><div class="infobox">Blah</div>'
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
def test_real_html(self):
"""Test re-inserted styles are placed in the body for HTML"""
html = '<html><head><style>' + self.mq + ' h1 {color:#ffcc00;}</style></head>'\
'<body><h1>Foo</h1><div class="infobox">Blah</div>'
desired_output = '<html><head></head><body><style>' + self.mq + '</style>'\
'<h1 style="color: #fc0">Foo</h1><div class="infobox">Blah</div>'\
'</body></html>'
output = Pynliner().from_string(html).run()
self.assertEqual(output, desired_output)
class LogOptions(unittest.TestCase):
def setUp(self):
self.html = "<style>h1 { color:#ffcc00; }</style><h1>Hello World!</h1>"
def test_no_log(self):
self.p = Pynliner()
self.assertEqual(self.p.log, None)
self.assertEqual(cssutils.log.enabled, False)
def test_custom_log(self):
self.log = logging.getLogger('testlog')
self.log.setLevel(logging.DEBUG)
self.logstream = StringIO.StringIO()
handler = logging.StreamHandler(self.logstream)
log_format = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
formatter = logging.Formatter(log_format)
handler.setFormatter(formatter)
self.log.addHandler(handler)
self.p = Pynliner(self.log).from_string(self.html)
self.p.run()
log_contents = self.logstream.getvalue()
self.assertTrue("DEBUG" in log_contents)
class BeautifulSoupBugs(unittest.TestCase):
def test_double_doctype(self):
self.html = """<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">"""
output = pynliner.fromString(self.html)
self.assertTrue("<!<!" not in output)
def test_double_comment(self):
self.html = """<!-- comment -->"""
output = pynliner.fromString(self.html)
self.assertTrue("<!--<!--" not in output)
class ComplexSelectors(unittest.TestCase):
def test_multiple_class_selector(self):
html = """<h1 class="a b">Hello World!</h1>"""
css = """h1.a.b { color: red; }"""
expected = u'<h1 class="a b" style="color: red">Hello World!</h1>'
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_combination_selector(self):
html = """<h1 id="a" class="b">Hello World!</h1>"""
css = """h1#a.b { color: red; }"""
expected = u'<h1 id="a" class="b" style="color: red">Hello World!</h1>'
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_descendant_selector(self):
html = """<h1><span>Hello World!</span></h1>"""
css = """h1 span { color: red; }"""
expected = u'<h1><span style="color: red">Hello World!</span></h1>'
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_selector(self):
html = """<h1><span>Hello World!</span></h1>"""
css = """h1 > span { color: red; }"""
expected = u'<h1><span style="color: red">Hello World!</span></h1>'
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_nested_child_selector(self):
html = """<div><h1><span>Hello World!</span></h1></div>"""
css = """div > h1 > span { color: red; }"""
expected = u"""<div><h1><span style="color: red">Hello World!</span></h1></div>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_selector_complex_dom(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > span { color: red; }"""
expected = u"""<h1><span style="color: red">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_all_selector_complex_dom(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > * { color: red; }"""
expected = u"""<h1><span style="color: red">Hello World!</span><p style="color: red">foo</p><div class="barclass" style="color: red"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_adjacent_selector(self):
html = """<h1>Hello World!</h1><h2>How are you?</h2>"""
css = """h1 + h2 { color: red; }"""
expected = (u'<h1>Hello World!</h1>'
u'<h2 style="color: red">How are you?</h2>')
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_unknown_pseudo_selector(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > span:css4-selector { color: red; }"""
expected = u"""<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_follow_by_adjacent_selector_complex_dom(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > span + p { color: red; }"""
expected = u"""<h1><span>Hello World!</span><p style="color: red">foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_follow_by_first_child_selector_with_white_spaces(self):
html = """<h1> <span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > :first-child { color: red; }"""
expected = u"""<h1> <span style="color: red">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_follow_by_first_child_selector_with_comments(self):
html = """<h1> <!-- enough said --><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > :first-child { color: red; }"""
expected = u"""<h1> <!-- enough said --><span style="color: red">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_follow_by_first_child_selector_complex_dom(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > :first-child { color: red; }"""
expected = u"""<h1><span style="color: red">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_last_child_selector(self):
html = """<h1><span>Hello World!</span></h1>"""
css = """h1 > :last-child { color: red; }"""
expected = u"""<h1><span style="color: red">Hello World!</span></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_multiple_pseudo_selectors(self):
html = """<h1><span>Hello World!</span></h1>"""
css = """span:first-child:last-child { color: red; }"""
expected = u"""<h1><span style="color: red">Hello World!</span></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
html = """<h1><span>Hello World!</span><span>again!</span></h1>"""
css = """span:first-child:last-child { color: red; }"""
expected = u"""<h1><span>Hello World!</span><span>again!</span></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_parent_pseudo_selector(self):
html = """<h1><span><span>Hello World!</span></span></h1>"""
css = """span:last-child span { color: red; }"""
expected = u"""<h1><span><span style="color: red">Hello World!</span></span></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
html = """<h1><span><span>Hello World!</span></span></h1>"""
css = """span:last-child > span { color: red; }"""
expected = u"""<h1><span><span style="color: red">Hello World!</span></span></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
html = """<h1><span><span>Hello World!</span></span><span>nope</span></h1>"""
css = """span:last-child > span { color: red; }"""
expected = u"""<h1><span><span>Hello World!</span></span><span>nope</span></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_follow_by_last_child_selector_complex_dom(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > :last-child { color: red; }"""
expected = u"""<h1><span>Hello World!</span><p>foo</p><div class="barclass" style="color: red"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_with_first_child_override_selector_complex_dom(self):
html = """<div><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></div>"""
css = """div > * { color: green; } div > :first-child { color: red; }"""
expected = u"""<div><span style="color: red">Hello World!</span><p style="color: green">foo</p><div class="barclass" style="color: green"><span style="color: red">baz</span>bar</div></div>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_id_el_child_with_first_child_override_selector_complex_dom(self):
html = """<div id="abc"><span class="cde">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></div>"""
css = """#abc > * { color: green; } #abc > :first-child { color: red; }"""
expected = u"""<div id="abc"><span class="cde" style="color: red">Hello World!</span><p style="color: green">foo</p><div class="barclass" style="color: green"><span>baz</span>bar</div></div>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_with_first_and_last_child_override_selector(self):
html = """<p><span>Hello World!</span></p>"""
css = """p > * { color: green; } p > :first-child:last-child { color: red; }"""
expected = u"""<p><span style="color: red">Hello World!</span></p>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_nested_child_with_first_child_override_selector_complex_dom(self):
self.maxDiff = None
html = """<div><div><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></div></div>"""
css = """div > div > * { color: green; } div > div > :first-child { color: red; }"""
expected = u"""<div><div><span style="color: red">Hello World!</span><p style="color: green">foo</p><div class="barclass" style="color: green"><span style="color: red">baz</span>bar</div></div></div>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_with_first_child_and_class_selector_complex_dom(self):
html = """<h1><span class="hello">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > .hello:first-child { color: green; }"""
expected = u"""<h1><span class="hello" style="color: green">Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_child_with_first_child_and_unmatched_class_selector_complex_dom(self):
html = """<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 > .hello:first-child { color: green; }"""
expected = u"""<h1><span>Hello World!</span><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_first_child_descendant_selector(self):
html = """<h1><div><span>Hello World!</span></div></h1>"""
css = """h1 :first-child { color: red; }"""
expected = u"""<h1><div style="color: red"><span style="color: red">Hello World!</span></div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_last_child_descendant_selector(self):
html = """<h1><div><span>Hello World!</span></div></h1>"""
css = """h1 :last-child { color: red; }"""
expected = u"""<h1><div style="color: red"><span style="color: red">Hello World!</span></div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_first_child_descendant_selector_complex_dom(self):
html = """<h1><div><span>Hello World!</span></div><p>foo</p><div class="barclass"><span>baz</span>bar</div></h1>"""
css = """h1 :first-child { color: red; }"""
expected = u"""<h1><div style="color: red"><span style="color: red">Hello World!</span></div><p>foo</p><div class="barclass"><span style="color: red">baz</span>bar</div></h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_attribute_selector_match(self):
html = """<h1 title="foo">Hello World!</h1>"""
css = """h1[title="foo"] { color: red; }"""
expected = u'<h1 title="foo" style="color: red">Hello World!</h1>'
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
def test_attribute_selector_no_match(self):
html = """<h1 title="bar">Hello World!</h1>"""
css = """h1[title="foo"] { color: red; }"""
expected = u"""<h1 title="bar">Hello World!</h1>"""
output = Pynliner().from_string(html).with_cssString(css).run()
self.assertEqual(output, expected)
if __name__ == '__main__':
unittest.main()