Files
deb-python-django-compressor/compressor/tests/test_base.py
2014-12-30 13:14:02 +01:00

307 lines
12 KiB
Python

from __future__ import with_statement, unicode_literals
import os
import re
try:
from bs4 import BeautifulSoup
except ImportError:
from BeautifulSoup import BeautifulSoup
from django.utils import six
from django.core.cache.backends import locmem
from django.test import SimpleTestCase
from django.test.utils import override_settings
from compressor.base import SOURCE_HUNK, SOURCE_FILE
from compressor.conf import settings
from compressor.css import CssCompressor
from compressor.js import JsCompressor
from compressor.exceptions import FilterDoesNotExist
def make_soup(markup):
# we use html.parser instead of lxml because it doesn't work on python 3.3
if six.PY3:
return BeautifulSoup(markup, 'html.parser')
else:
return BeautifulSoup(markup)
def css_tag(href, **kwargs):
rendered_attrs = ''.join(['%s="%s" ' % (k, v) for k, v in kwargs.items()])
template = '<link rel="stylesheet" href="%s" type="text/css" %s/>'
return template % (href, rendered_attrs)
class TestPrecompiler(object):
"""A filter whose output is always the string 'OUTPUT' """
def __init__(self, content, attrs, filter_type=None, filename=None,
charset=None):
pass
def input(self, **kwargs):
return 'OUTPUT'
test_dir = os.path.abspath(os.path.join(os.path.dirname(__file__)))
class CompressorTestCase(SimpleTestCase):
def setUp(self):
settings.COMPRESS_ENABLED = True
settings.COMPRESS_PRECOMPILERS = ()
settings.COMPRESS_DEBUG_TOGGLE = 'nocompress'
self.css = """\
<link rel="stylesheet" href="/static/css/one.css" type="text/css" />
<style type="text/css">p { border:5px solid green;}</style>
<link rel="stylesheet" href="/static/css/two.css" type="text/css" />"""
self.css_node = CssCompressor(self.css)
self.js = """\
<script src="/static/js/one.js" type="text/javascript"></script>
<script type="text/javascript">obj.value = "value";</script>"""
self.js_node = JsCompressor(self.js)
def assertEqualCollapsed(self, a, b):
"""
assertEqual with internal newlines collapsed to single, and
trailing whitespace removed.
"""
collapse = lambda x: re.sub(r'\n+', '\n', x).rstrip()
self.assertEqual(collapse(a), collapse(b))
def assertEqualSplits(self, a, b):
"""
assertEqual for splits, particularly ignoring the presence of
a trailing newline on the content.
"""
mangle = lambda split: [(x[0], x[1], x[2], x[3].rstrip()) for x in split]
self.assertEqual(mangle(a), mangle(b))
def test_css_split(self):
out = [
(
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, 'css', 'one.css'),
'css/one.css', '<link rel="stylesheet" href="/static/css/one.css" type="text/css" />',
),
(
SOURCE_HUNK,
'p { border:5px solid green;}',
None,
'<style type="text/css">p { border:5px solid green;}</style>',
),
(
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, 'css', 'two.css'),
'css/two.css',
'<link rel="stylesheet" href="/static/css/two.css" type="text/css" />',
),
]
split = self.css_node.split_contents()
split = [(x[0], x[1], x[2], self.css_node.parser.elem_str(x[3])) for x in split]
self.assertEqualSplits(split, out)
def test_css_hunks(self):
out = ['body { background:#990; }', 'p { border:5px solid green;}', 'body { color:#fff; }']
self.assertEqual(out, list(self.css_node.hunks()))
def test_css_output(self):
out = 'body { background:#990; }\np { border:5px solid green;}\nbody { color:#fff; }'
hunks = '\n'.join([h for h in self.css_node.hunks()])
self.assertEqual(out, hunks)
def test_css_output_with_bom_input(self):
out = 'body { background:#990; }\n.compress-test {color: red;}'
css = ("""<link rel="stylesheet" href="/static/css/one.css" type="text/css" />
<link rel="stylesheet" href="/static/css/utf-8_with-BOM.css" type="text/css" />""")
css_node_with_bom = CssCompressor(css)
hunks = '\n'.join([h for h in css_node_with_bom.hunks()])
self.assertEqual(out, hunks)
def test_css_mtimes(self):
is_date = re.compile(r'^\d{10}[\.\d]+$')
for date in self.css_node.mtimes:
self.assertTrue(is_date.match(str(float(date))),
"mtimes is returning something that doesn't look like a date: %s" % date)
def test_css_return_if_off(self):
settings.COMPRESS_ENABLED = False
self.assertEqualCollapsed(self.css, self.css_node.output())
def test_cachekey(self):
is_cachekey = re.compile(r'\w{12}')
self.assertTrue(is_cachekey.match(self.css_node.cachekey),
"cachekey is returning something that doesn't look like r'\w{12}'")
def test_css_return_if_on(self):
output = css_tag('/static/CACHE/css/e41ba2cc6982.css')
self.assertEqual(output, self.css_node.output().strip())
def test_js_split(self):
out = [
(
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, 'js', 'one.js'),
'js/one.js',
'<script src="/static/js/one.js" type="text/javascript"></script>',
),
(
SOURCE_HUNK,
'obj.value = "value";',
None,
'<script type="text/javascript">obj.value = "value";</script>',
),
]
split = self.js_node.split_contents()
split = [(x[0], x[1], x[2], self.js_node.parser.elem_str(x[3])) for x in split]
self.assertEqualSplits(split, out)
def test_js_hunks(self):
out = ['obj = {};', 'obj.value = "value";']
self.assertEqual(out, list(self.js_node.hunks()))
def test_js_output(self):
out = '<script type="text/javascript" src="/static/CACHE/js/066cd253eada.js"></script>'
self.assertEqual(out, self.js_node.output())
def test_js_override_url(self):
self.js_node.context.update({'url': 'This is not a url, just a text'})
out = '<script type="text/javascript" src="/static/CACHE/js/066cd253eada.js"></script>'
self.assertEqual(out, self.js_node.output())
def test_css_override_url(self):
self.css_node.context.update({'url': 'This is not a url, just a text'})
output = css_tag('/static/CACHE/css/e41ba2cc6982.css')
self.assertEqual(output, self.css_node.output().strip())
@override_settings(COMPRESS_PRECOMPILERS=(), COMPRESS_ENABLED=False)
def test_js_return_if_off(self):
self.assertEqualCollapsed(self.js, self.js_node.output())
def test_js_return_if_on(self):
output = '<script type="text/javascript" src="/static/CACHE/js/066cd253eada.js"></script>'
self.assertEqual(output, self.js_node.output())
@override_settings(COMPRESS_OUTPUT_DIR='custom')
def test_custom_output_dir1(self):
output = '<script type="text/javascript" src="/static/custom/js/066cd253eada.js"></script>'
self.assertEqual(output, JsCompressor(self.js).output())
@override_settings(COMPRESS_OUTPUT_DIR='')
def test_custom_output_dir2(self):
output = '<script type="text/javascript" src="/static/js/066cd253eada.js"></script>'
self.assertEqual(output, JsCompressor(self.js).output())
@override_settings(COMPRESS_OUTPUT_DIR='/custom/nested/')
def test_custom_output_dir3(self):
output = '<script type="text/javascript" src="/static/custom/nested/js/066cd253eada.js"></script>'
self.assertEqual(output, JsCompressor(self.js).output())
@override_settings(COMPRESS_PRECOMPILERS=(
('text/foobar', 'compressor.tests.test_base.TestPrecompiler'),
), COMPRESS_ENABLED=True)
def test_precompiler_class_used(self):
css = '<style type="text/foobar">p { border:10px solid red;}</style>'
css_node = CssCompressor(css)
output = make_soup(css_node.output('inline'))
self.assertEqual(output.text, 'OUTPUT')
@override_settings(COMPRESS_PRECOMPILERS=(
('text/foobar', 'compressor.tests.test_base.NonexistentFilter'),
), COMPRESS_ENABLED=True)
def test_nonexistent_precompiler_class_error(self):
css = '<style type="text/foobar">p { border:10px solid red;}</style>'
css_node = CssCompressor(css)
self.assertRaises(FilterDoesNotExist, css_node.output, 'inline')
class CssMediaTestCase(SimpleTestCase):
def setUp(self):
self.css = """\
<link rel="stylesheet" href="/static/css/one.css" type="text/css" media="screen">
<style type="text/css" media="print">p { border:5px solid green;}</style>
<link rel="stylesheet" href="/static/css/two.css" type="text/css" media="all">
<style type="text/css">h1 { border:5px solid green;}</style>"""
def test_css_output(self):
css_node = CssCompressor(self.css)
if six.PY3:
links = make_soup(css_node.output()).find_all('link')
else:
links = make_soup(css_node.output()).findAll('link')
media = ['screen', 'print', 'all', None]
self.assertEqual(len(links), 4)
self.assertEqual(media, [l.get('media', None) for l in links])
def test_avoid_reordering_css(self):
css = self.css + '<style type="text/css" media="print">p { border:10px solid red;}</style>'
css_node = CssCompressor(css)
media = ['screen', 'print', 'all', None, 'print']
if six.PY3:
links = make_soup(css_node.output()).find_all('link')
else:
links = make_soup(css_node.output()).findAll('link')
self.assertEqual(media, [l.get('media', None) for l in links])
@override_settings(COMPRESS_PRECOMPILERS=(
('text/foobar', 'python %s {infile} {outfile}' % os.path.join(test_dir, 'precompiler.py')),
), COMPRESS_ENABLED=False)
def test_passthough_when_compress_disabled(self):
css = """\
<link rel="stylesheet" href="/static/css/one.css" type="text/css" media="screen">
<link rel="stylesheet" href="/static/css/two.css" type="text/css" media="screen">
<style type="text/foobar" media="screen">h1 { border:5px solid green;}</style>"""
css_node = CssCompressor(css)
if six.PY3:
output = make_soup(css_node.output()).find_all(['link', 'style'])
else:
output = make_soup(css_node.output()).findAll(['link', 'style'])
self.assertEqual(['/static/css/one.css', '/static/css/two.css', None],
[l.get('href', None) for l in output])
self.assertEqual(['screen', 'screen', 'screen'],
[l.get('media', None) for l in output])
class VerboseTestCase(CompressorTestCase):
def setUp(self):
super(VerboseTestCase, self).setUp()
settings.COMPRESS_VERBOSE = True
class CacheBackendTestCase(CompressorTestCase):
def test_correct_backend(self):
from compressor.cache import cache
self.assertEqual(cache.__class__, locmem.LocMemCache)
class JsAsyncDeferTestCase(SimpleTestCase):
def setUp(self):
self.js = """\
<script src="/static/js/one.js" type="text/javascript"></script>
<script src="/static/js/two.js" type="text/javascript" async></script>
<script src="/static/js/three.js" type="text/javascript" defer></script>
<script type="text/javascript">obj.value = "value";</script>
<script src="/static/js/one.js" type="text/javascript" async></script>
<script src="/static/js/two.js" type="text/javascript" async></script>
<script src="/static/js/three.js" type="text/javascript"></script>"""
def test_js_output(self):
def extract_attr(tag):
if tag.has_attr('async'):
return 'async'
if tag.has_attr('defer'):
return 'defer'
js_node = JsCompressor(self.js)
output = [None, 'async', 'defer', None, 'async', None]
if six.PY3:
scripts = make_soup(js_node.output()).find_all('script')
attrs = [extract_attr(i) for i in scripts]
else:
scripts = make_soup(js_node.output()).findAll('script')
attrs = [s.get('async') or s.get('defer') for s in scripts]
self.assertEqual(output, attrs)