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# -*- coding: utf-8 -*-
"""Testcases for css_parser.css.CSSCharsetRule"""
from __future__ import with_statement, unicode_literals
from __future__ import absolute_import
from . import basetest
import codecs
import css_parser
import os
import sys
import tempfile
class CSSutilsTestCase(basetest.BaseTestCase):
def setUp(self):
css_parser.ser.prefs.useDefaults()
def tearDown(self):
css_parser.ser.prefs.useDefaults()
exp = '''@import "import/import2.css";
.import {
/* ./import.css */
background-image: url(images/example.gif)
}'''
def test_import_from_above(self):
def fetch(url):
self.assertEqual(url, '../test2.css')
return None, ''
p = css_parser.CSSParser(fetcher=fetch)
s = p.parseString("@import url('../test2.css'); a { background-image: url(../test.jpg); }", href='test.css')
self.assertEqual(
s.cssRules[1].style.getPropertyCSSValue('background-image')[0].absoluteUri,
'../test.jpg'
)
def fetch2(url):
self.assertEqual(url, 'a/test2.css')
return None, ''
p = css_parser.CSSParser(fetcher=fetch2)
s = p.parseString("@import url('../test2.css'); a { background-image: url(../test.jpg); }", href='a/b/test.css')
self.assertEqual(
s.cssRules[1].style.getPropertyCSSValue('background-image')[0].absoluteUri,
'a/test.jpg'
)
results = [('a/test.css', '@import url(../test.css);'), ('test.css', 'p { background-image: url(a/test.jpg) }')]
def fetch3(url):
e, text = results.pop(0)
self.assertEqual(e, url)
return None, text
p = css_parser.CSSParser(fetcher=fetch3)
s = p.parseString("@import url('../test.css'); a { background-image: url(../test.jpg); }", href='a/b/test.css')
style = s.cssRules[0].styleSheet.cssRules[0].styleSheet.cssRules[0].style
self.assertEqual(style.getPropertyCSSValue('background-image')[0].absoluteUri, 'a/test.jpg')
def test_parseString(self):
"css_parser.parseString()"
s = css_parser.parseString(
self.exp, media='handheld, screen', title='from string')
self.assertIsInstance(s, css_parser.css.CSSStyleSheet)
self.assertEqual(None, s.href)
self.assertEqual(self.exp.encode(), s.cssText)
self.assertEqual('utf-8', s.encoding)
self.assertEqual('handheld, screen', s.media.mediaText)
self.assertEqual('from string', s.title)
self.assertEqual(self.exp.encode(), s.cssText)
ir = s.cssRules[0]
self.assertEqual('import/import2.css', ir.href)
irs = ir.styleSheet
self.assertEqual(css_parser.css.CSSStyleSheet, type(irs))
href = basetest.get_sheet_filename('import.css')
href = css_parser.helper.path2url(href)
s = css_parser.parseString(self.exp, href=href)
self.assertEqual(href, s.href)
ir = s.cssRules[0]
self.assertEqual('import/import2.css', ir.href)
irs = ir.styleSheet
self.assertIsInstance(irs, css_parser.css.CSSStyleSheet)
self.assertEqual(
irs.cssText,
'@import "../import3.css";\n@import "import-impossible.css" print;\n.import2 {\n /* sheets/import2.css */\n background: url(http://example.com/images/example.gif);\n background: url(//example.com/images/example.gif);\n background: url(/images/example.gif);\n background: url(images2/example.gif);\n background: url(./images2/example.gif);\n background: url(../images/example.gif);\n background: url(./../images/example.gif)\n }' # noqa
.encode())
tests = {
'a {color: red}': 'a {\n color: red\n }',
'a {color: rgb(1,2,3)}': 'a {\n color: rgb(1, 2, 3)\n }'
}
self.do_equal_p(tests)
def test_parseFile(self):
"css_parser.parseFile()"
# name if used with open, href used for @import resolving
name = basetest.get_sheet_filename('import.css')
href = css_parser.helper.path2url(name)
s = css_parser.parseFile(
name, href=href, media='screen', title='from file')
self.assertIsInstance(s, css_parser.css.CSSStyleSheet)
if sys.platform.startswith('java'):
# on Jython only file:
self.assertTrue(s.href.startswith('file:'))
else:
# normally file:/// on win and file:/ on unix
self.assertTrue(s.href.startswith('file:/'))
self.assertTrue(s.href.endswith('/sheets/import.css'))
self.assertEqual('utf-8', s.encoding)
self.assertEqual('screen', s.media.mediaText)
self.assertEqual('from file', s.title)
self.assertEqual(self.exp.encode(), s.cssText)
ir = s.cssRules[0]
self.assertEqual('import/import2.css', ir.href)
irs = ir.styleSheet
self.assertIsInstance(irs, css_parser.css.CSSStyleSheet)
self.assertEqual(
irs.cssText,
'@import "../import3.css";\n@import "import-impossible.css" print;\n.import2 {\n /* sheets/import2.css */\n background: url(http://example.com/images/example.gif);\n background: url(//example.com/images/example.gif);\n background: url(/images/example.gif);\n background: url(images2/example.gif);\n background: url(./images2/example.gif);\n background: url(../images/example.gif);\n background: url(./../images/example.gif)\n }' # noqa
.encode())
# name is used for open and setting of href automatically
# test needs to be relative to this test file!
os.chdir(os.path.dirname(__file__))
name = basetest.get_sheet_filename('import.css')
s = css_parser.parseFile(name, media='screen', title='from file')
self.assertIsInstance(s, css_parser.css.CSSStyleSheet)
if sys.platform.startswith('java'):
# on Jython only file:
self.assertTrue(s.href.startswith('file:'))
else:
# normally file:/// on win and file:/ on unix
self.assertTrue(s.href.startswith('file:/'))
self.assertTrue(s.href.endswith('/sheets/import.css'))
self.assertEqual('utf-8', s.encoding)
self.assertEqual('screen', s.media.mediaText)
self.assertEqual('from file', s.title)
self.assertEqual(self.exp.encode(), s.cssText)
ir = s.cssRules[0]
self.assertEqual('import/import2.css', ir.href)
irs = ir.styleSheet
self.assertIsInstance(irs, css_parser.css.CSSStyleSheet)
self.assertEqual(
irs.cssText,
'@import "../import3.css";\n@import "import-impossible.css" print;\n.import2 {\n /* sheets/import2.css */\n background: url(http://example.com/images/example.gif);\n background: url(//example.com/images/example.gif);\n background: url(/images/example.gif);\n background: url(images2/example.gif);\n background: url(./images2/example.gif);\n background: url(../images/example.gif);\n background: url(./../images/example.gif)\n }' # noqa
.encode())
# next test
css = 'a:after { content: "羊蹄€\u2020" }'
fd, name = tempfile.mkstemp('_css_parsertest.css')
t = os.fdopen(fd, 'wb')
t.write(css.encode('utf-8'))
t.close()
self.assertRaises(UnicodeDecodeError, css_parser.parseFile, name,
'ascii')
# ???
s = css_parser.parseFile(name, encoding='iso-8859-1')
self.assertEqual(css_parser.css.CSSStyleSheet, type(s))
self.assertEqual(s.cssRules[1].selectorText, 'a:after')
s = css_parser.parseFile(name, encoding='utf-8')
self.assertEqual(css_parser.css.CSSStyleSheet, type(s))
self.assertEqual(s.cssRules[1].selectorText, 'a:after')
css = '@charset "iso-8859-1"; a:after { content: "ä" }'
t = codecs.open(name, 'w', 'iso-8859-1')
t.write(css)
t.close()
self.assertRaises(UnicodeDecodeError, css_parser.parseFile, name,
'ascii')
s = css_parser.parseFile(name, encoding='iso-8859-1')
self.assertEqual(css_parser.css.CSSStyleSheet, type(s))
self.assertEqual(s.cssRules[1].selectorText, 'a:after')
self.assertRaises(UnicodeDecodeError, css_parser.parseFile, name,
'utf-8')
# clean up
try:
os.remove(name)
except EnvironmentError:
pass
def test_parseUrl(self):
"css_parser.parseUrl()"
href = basetest.get_sheet_filename('import.css')
# href = u'file:' + urllib.pathname2url(href)
href = css_parser.helper.path2url(href)
# href = 'http://seewhatever.de/sheets/import.css'
s = css_parser.parseUrl(href, media='tv, print', title='from url')
self.assertIsInstance(s, css_parser.css.CSSStyleSheet)
self.assertEqual(href, s.href)
self.assertEqual(self.exp.encode(), s.cssText)
self.assertEqual('utf-8', s.encoding)
self.assertEqual('tv, print', s.media.mediaText)
self.assertEqual('from url', s.title)
sr = s.cssRules[1]
img = sr.style.getProperty('background-image').propertyValue[0].value
self.assertEqual(img, 'images/example.gif')
ir = s.cssRules[0]
self.assertEqual('import/import2.css', ir.href)
irs = ir.styleSheet
self.assertEqual(
irs.cssText,
'@import "../import3.css";\n@import "import-impossible.css" print;\n.import2 {\n /* sheets/import2.css */\n background: url(http://example.com/images/example.gif);\n background: url(//example.com/images/example.gif);\n background: url(/images/example.gif);\n background: url(images2/example.gif);\n background: url(./images2/example.gif);\n background: url(../images/example.gif);\n background: url(./../images/example.gif)\n }' # noqa
.encode())
ir2 = irs.cssRules[0]
self.assertEqual('../import3.css', ir2.href)
irs2 = ir2.styleSheet
self.assertEqual(
irs2.cssText,
'/* import3 */\n.import3 {\n /* from ./import/../import3.css */\n background: url(images/example3.gif);\n background: url(./images/example3.gif);\n background: url(import/images2/example2.gif);\n background: url(./import/images2/example2.gif);\n background: url(import/images2/../../images/example3.gif)\n }' # noqa
.encode())
def test_setCSSSerializer(self):
"css_parser.setSerializer() and css_parser.ser"
s = css_parser.parseString('a { left: 0 }')
exp4 = '''a {
left: 0
}'''
exp1 = '''a {
left: 0
}'''
self.assertEqual(exp4.encode(), s.cssText)
newser = css_parser.CSSSerializer(
css_parser.serialize.Preferences(indent=' '))
css_parser.setSerializer(newser)
self.assertEqual(exp1.encode(), s.cssText)
newser = css_parser.CSSSerializer(
css_parser.serialize.Preferences(indent=' '))
css_parser.ser = newser
self.assertEqual(exp4.encode(), s.cssText)
def test_parseStyle(self):
"css_parser.parseStyle()"
s = css_parser.parseStyle('x:0; y:red')
self.assertEqual(type(s), css_parser.css.CSSStyleDeclaration)
self.assertEqual(s.cssText, 'x: 0;\ny: red')
s = css_parser.parseStyle('@import "x";')
self.assertEqual(type(s), css_parser.css.CSSStyleDeclaration)
self.assertEqual(s.cssText, '')
tests = [('content: "ä"', 'iso-8859-1'), ('content: "€"', 'utf-8')]
for v, e in tests:
s = css_parser.parseStyle(v.encode(e), encoding=e)
self.assertEqual(s.cssText, v)
self.assertRaises(UnicodeDecodeError, css_parser.parseStyle,
'content: "ä"'.encode('utf-8'), 'ascii')
def test_getUrls(self):
"css_parser.getUrls()"
css_parser.ser.prefs.keepAllProperties = True
css = r'''
@import "im1";
@import url(im2);
@import url( im3 );
@import url( "im4" );
@import url( 'im5' );
a {
background-image: url(a) !important;
background-\image: url(b);
background: url(c) no-repeat !important;
/* issue #46 */
src: local("xx"),
url("f.woff") format("woff"),
url("f.otf") format("opentype"),
url("f.svg#f") format("svg");
}'''
urls = set(css_parser.getUrls(css_parser.parseString(css)))
self.assertEqual(
urls,
set([
"im1", "im2", "im3", "im4", "im5", "a", "b", "c", 'f.woff',
'f.svg#f', 'f.otf'
]))
css_parser.ser.prefs.keepAllProperties = False
def test_replaceUrls(self):
"css_parser.replaceUrls()"
css_parser.ser.prefs.keepAllProperties = True
css = r'''
@import "im1";
@import url(im2);
a {
background-image: url(c) !important;
background-\image: url(b);
background: url(a) no-repeat !important;
}'''
s = css_parser.parseString(css)
css_parser.replaceUrls(s, lambda old: "NEW" + old)
self.assertEqual('@import "NEWim1";', s.cssRules[0].cssText)
self.assertEqual('NEWim2', s.cssRules[1].href)
self.assertEqual(
'''background-image: url(NEWc) !important;
background-\\image: url(NEWb);
background: url(NEWa) no-repeat !important''', s.cssRules[2].style.cssText)
css_parser.ser.prefs.keepAllProperties = False
# CSSStyleDeclaration
style = css_parser.parseStyle('''color: red;
background-image:
url(1.png),
url('2.png')''')
css_parser.replaceUrls(style, lambda url: 'prefix/' + url)
self.assertEqual(
style.cssText, '''color: red;
background-image: url(prefix/1.png), url(prefix/2.png)''')
def test_resolveImports(self):
"css_parser.resolveImports(sheet)"
self._tempSer()
css_parser.ser.prefs.useMinified()
a = '@charset "iso-8859-1";@import"b.css";\xe4{color:green}'.encode(
'iso-8859-1')
b = '@charset "ascii";\\E4 {color:red}'.encode('ascii')
# normal
with self.patch_default_fetcher((None, b)):
s = css_parser.parseString(a)
# py3 TODO
self.assertEqual(a, s.cssText)
self.assertEqual(b, s.cssRules[1].styleSheet.cssText)
c = css_parser.resolveImports(s)
# py3 TODO
self.assertEqual(
'\xc3\xa4{color:red}\xc3\xa4{color:green}'.encode(
'iso-8859-1'), c.cssText)
c.encoding = 'ascii'
self.assertEqual(
r'@charset "ascii";\E4 {color:red}\E4 {color:green}'.
encode(), c.cssText)
# b cannot be found
with self.patch_default_fetcher((None, None)):
s = css_parser.parseString(a)
# py3 TODO
self.assertEqual(a, s.cssText)
self.assertEqual(css_parser.css.CSSStyleSheet, type(s.cssRules[1].styleSheet))
c = css_parser.resolveImports(s)
# py3 TODO
self.assertEqual(
'@import"b.css";\xc3\xa4{color:green}'.encode(
'iso-8859-1'), c.cssText)
# @import with media
a = '@import"b.css";@import"b.css" print, tv ;@import"b.css" all;'
b = 'a {color: red}'
with self.patch_default_fetcher((None, b)):
s = css_parser.parseString(a)
c = css_parser.resolveImports(s)
self.assertEqual(
'a{color:red}@media print,tv{a{color:red}}a{color:red}'.
encode(), c.cssText)
# cannot resolve with media => keep original
a = '@import"b.css"print;'
b = '@namespace "http://example.com";'
with self.patch_default_fetcher((None, b)):
s = css_parser.parseString(a)
c = css_parser.resolveImports(s)
self.assertEqual(a.encode(), c.cssText)
# urls are adjusted too, layout:
# a.css
# c.css
# img/img.gif
# b/
# b.css
# subimg/subimg.gif
a = '''
@import"b/b.css";
a {
x: url(/img/abs.gif);
y: url(img/img.gif);
z: url(b/subimg/subimg.gif);
}'''
def fetcher(url):
c = {
'b.css':
'''
@import"../c.css";
b {
x: url(/img/abs.gif);
y: url(../img/img.gif);
z: url(subimg/subimg.gif);
}''',
'c.css':
'''
c {
x: url(/img/abs.gif);
y: url(./img/img.gif);
z: url(./b/subimg/subimg.gif);
}'''
}
return 'utf-8', c[os.path.split(url)[1]]
def do():
with self.patch_default_fetcher(fetcher):
s = css_parser.parseString(a)
r = css_parser.resolveImports(s)
return s, r
s, r = do()
css_parser.ser.prefs.useDefaults()
css_parser.ser.prefs.keepComments = False
self.assertEqual(
'''c {
x: url(/img/abs.gif);
y: url(img/img.gif);
z: url(b/subimg/subimg.gif)
}
b {
x: url(/img/abs.gif);
y: url(img/img.gif);
z: url(b/subimg/subimg.gif)
}
a {
x: url(/img/abs.gif);
y: url(img/img.gif);
z: url(b/subimg/subimg.gif)
}'''.encode(), r.cssText)
css_parser.ser.prefs.useDefaults()
if __name__ == '__main__':
import unittest
unittest.main()
|
