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tests.py
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# -*- coding: utf-8 -*-
"""
jinja2htmlcompress
~~~~~~~~~~~~~~~~~~
A Jinja2 extension that eliminates useless whitespace at template
compilation time without extra overhead.
:copyright: (c) 2011 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
try:
import unittest2 as ut
except ImportError:
import unittest as ut
from jinja2 import Environment
from jinja2htmlcompress import (
HTMLCompress, SelectiveHTMLCompress, InvertedSelectiveHTMLCompress,
DEFAULT_ACTIVE_KEY as DA_KEY,
)
def url_for(path):
"""dummy helper"""
return "/" + path
class BaseCompressorTest(ut.TestCase):
maxDiff = None
compressor = None
def render(self, content, policies=None, **kwds):
"""
helper to render content using specified compressor
"""
env = Environment(extensions=[self.compressor])
if policies:
env.policies.update(policies)
tmpl = env.from_string(content)
return tmpl.render(**kwds)
class HTMLCompressTest(BaseCompressorTest):
compressor = HTMLCompress
def test_sample_1(self):
result = self.render('''\
<html>
<head>
<title>{{ title }}</title>
</head>
<script type=text/javascript>
if (foo < 42) {
document.write('Foo < Bar');
}
</script>
<body>
<pre>
Preformatted text
Indented
</pre>
<li><a href="{{ href }}">{{ title }}</a><br>Test Foo
<li><a href="{{ href }}">{{ title }}</a><img src=test.png>
</body>
</html>
''', title=42, href='index.html')
self.assertEqual(result, '''\
<html><head><title>42</title></head><script type=text/javascript>
if (foo < 42) {
document.write('Foo < Bar');
}
</script><body><pre>
Preformatted text
Indented
</pre><li><a href="index.html">42</a><br>Test Foo<li><a href="index.html">42</a><img src=test.png></body></html>''')
def test_unstrip_sample_1(self):
result = self.render('''
{% unstrip %}
Normal <span> unchanged </span> stuff
{% endunstrip %}
Stripped <span class=foo > test </span>
<a href="foo"> test </a> {{ foo }}
Normal <stuff> again {{ foo }} </stuff>
<p>
Foo<br>Bar
Baz
<p>
Moep <span>Test</span> Moep
</p>
''', foo=42)
self.assertEqual(result, '''\n\
Normal <span> unchanged </span> stuff
Stripped <span class=foo>test</span> <a href="foo">test</a> 42 Normal <stuff>again 42</stuff> \
<p>Foo<br>Bar Baz<p>Moep <span>Test</span> Moep</p>''')
def test_policy_unset(self):
self.assertEqual(self.render('''<span> foo bar </span>'''),
'''<span>foo bar</span>''')
def test_policy_true(self):
self.assertEqual(self.render('''<span> foo bar </span>''', policies={DA_KEY: True}),
'''<span>foo bar</span>''')
def test_policy_false(self):
self.assertEqual(self.render('''<span> foo bar </span>''', policies={DA_KEY: False}),
'''<span> foo bar </span>''')
def test_inline_preserved(self):
self.assertEqual(self.render(''' <div> foo <span> bar </span> baz </div>'''),
'''<div>foo <span>bar</span> baz</div>''')
def test_tag_case(self):
# check block tags detected even if mixed case
self.assertEqual(self.render('''<span> foo <DIV> bar </DIV> baz </span>'''),
'''<span>foo<DIV>bar</DIV>baz</span>''')
def test_self_closed(self):
self.assertEqual(self.render(''' <div> foo <br/> bar </div> '''),
'''<div>foo<br/>bar</div>''')
def test_nested(self):
result = self.render('''
{% strip %}
<span> foo
{% strip false %}
<span> bar {% strip true %}
<span> baz </span>
{% endstrip %} </span>
{% endstrip %}
''')
self.assertEqual(result, ''' <span>foo \n\
<span> bar <span>baz</span> </span>
''')
def test_leading_space(self):
# issue 8
result = self.render('''<p>Please <a href="{{url_for('.login')}}"> login </a> to''',
url_for=url_for)
self.assertEqual(result, '''<p>Please <a href="/.login">login</a> to''')
def test_internal_space(self):
# issue 8
result = self.render('''<th class="{%if 1%}firstcol {% endif %} cell_style">''')
self.assertEqual(result, '''<th class="firstcol cell_style">''')
class SelectiveHTMLCompressTest(BaseCompressorTest):
compressor = SelectiveHTMLCompress
def test_sample_1(self):
result = self.render('''
Normal <span> unchanged </span> stuff
{% strip %}Stripped <span class=foo > test </span>
<a href="foo"> test </a> {{ foo }}
Normal <stuff> again {{ foo }} </stuff>
<p>
Foo<br>Bar
Baz
<p>
Moep <span>Test</span> Moep
</p>
{% endstrip %}''', foo=42)
self.assertEqual(result, '''
Normal <span> unchanged </span> stuff
Stripped <span class=foo>test</span> <a href="foo">test</a> 42 Normal <stuff>again 42</stuff> \
<p>Foo<br>Bar Baz<p>Moep <span>Test</span> Moep</p>''')
def test_policy_unset(self):
self.assertEqual(self.render('''<span> foo bar </span>'''),
'''<span> foo bar </span>''')
def test_policy_true(self):
self.assertEqual(self.render('''<span> foo bar </span>''', policies={DA_KEY: True}),
'''<span>foo bar</span>''')
def test_policy_false(self):
self.assertEqual(self.render('''<span> foo bar </span>''', policies={DA_KEY: False}),
'''<span> foo bar </span>''')