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# -*- coding: utf-8 -*-
"""
Pygments HTML formatter tests
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: Copyright 2006-2012 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import os
import re
import unittest
import StringIO
import tempfile
from os.path import join, dirname, isfile
from pygments.lexers import PythonLexer
from pygments.formatters import HtmlFormatter, NullFormatter
from pygments.formatters.html import escape_html
from pygments.util import uni_open
import support
TESTFILE, TESTDIR = support.location(__file__)
tokensource = list(PythonLexer().get_tokens(
uni_open(TESTFILE, encoding='utf-8').read()))
class HtmlFormatterTest(unittest.TestCase):
def test_correct_output(self):
hfmt = HtmlFormatter(nowrap=True)
houtfile = StringIO.StringIO()
hfmt.format(tokensource, houtfile)
nfmt = NullFormatter()
noutfile = StringIO.StringIO()
nfmt.format(tokensource, noutfile)
stripped_html = re.sub('<.*?>', '', houtfile.getvalue())
escaped_text = escape_html(noutfile.getvalue())
self.assertEquals(stripped_html, escaped_text)
def test_external_css(self):
# test correct behavior
# CSS should be in /tmp directory
fmt1 = HtmlFormatter(full=True, cssfile='fmt1.css', outencoding='utf-8')
# CSS should be in TESTDIR (TESTDIR is absolute)
fmt2 = HtmlFormatter(full=True, cssfile=join(TESTDIR, 'fmt2.css'),
outencoding='utf-8')
tfile = tempfile.NamedTemporaryFile(suffix='.html')
fmt1.format(tokensource, tfile)
try:
fmt2.format(tokensource, tfile)
self.assert_(isfile(join(TESTDIR, 'fmt2.css')))
except IOError:
# test directory not writable
pass
tfile.close()
self.assert_(isfile(join(dirname(tfile.name), 'fmt1.css')))
os.unlink(join(dirname(tfile.name), 'fmt1.css'))
try:
os.unlink(join(TESTDIR, 'fmt2.css'))
except OSError:
pass
def test_all_options(self):
for optdict in [dict(nowrap=True),
dict(linenos=True),
dict(linenos=True, full=True),
dict(linenos=True, full=True, noclasses=True)]:
outfile = StringIO.StringIO()
fmt = HtmlFormatter(**optdict)
fmt.format(tokensource, outfile)
def test_linenos(self):
optdict = dict(linenos=True)
outfile = StringIO.StringIO()
fmt = HtmlFormatter(**optdict)
fmt.format(tokensource, outfile)
html = outfile.getvalue()
self.assert_(re.search("<pre>\s+1\s+2\s+3", html))
def test_linenos_with_startnum(self):
optdict = dict(linenos=True, linenostart=5)
outfile = StringIO.StringIO()
fmt = HtmlFormatter(**optdict)
fmt.format(tokensource, outfile)
html = outfile.getvalue()
self.assert_(re.search("<pre>\s+5\s+6\s+7", html))
def test_lineanchors(self):
optdict = dict(lineanchors="foo")
outfile = StringIO.StringIO()
fmt = HtmlFormatter(**optdict)
fmt.format(tokensource, outfile)
html = outfile.getvalue()
self.assert_(re.search("<pre><a name=\"foo-1\">", html))
def test_lineanchors_with_startnum(self):
optdict = dict(lineanchors="foo", linenostart=5)
outfile = StringIO.StringIO()
fmt = HtmlFormatter(**optdict)
fmt.format(tokensource, outfile)
html = outfile.getvalue()
self.assert_(re.search("<pre><a name=\"foo-5\">", html))
def test_valid_output(self):
# test all available wrappers
fmt = HtmlFormatter(full=True, linenos=True, noclasses=True,
outencoding='utf-8')
handle, pathname = tempfile.mkstemp('.html')
tfile = os.fdopen(handle, 'w+b')
fmt.format(tokensource, tfile)
tfile.close()
catname = os.path.join(TESTDIR, 'dtds', 'HTML4.soc')
try:
import subprocess
ret = subprocess.Popen(['nsgmls', '-s', '-c', catname, pathname],
stdout=subprocess.PIPE).wait()
except OSError:
# nsgmls not available
pass
else:
self.failIf(ret, 'nsgmls run reported errors')
os.unlink(pathname)
def test_get_style_defs(self):
fmt = HtmlFormatter()
sd = fmt.get_style_defs()
self.assert_(sd.startswith('.'))
fmt = HtmlFormatter(cssclass='foo')
sd = fmt.get_style_defs()
self.assert_(sd.startswith('.foo'))
sd = fmt.get_style_defs('.bar')
self.assert_(sd.startswith('.bar'))
sd = fmt.get_style_defs(['.bar', '.baz'])
fl = sd.splitlines()[0]
self.assert_('.bar' in fl and '.baz' in fl)
def test_unicode_options(self):
fmt = HtmlFormatter(title=u'Föö',
cssclass=u'bär',
cssstyles=u'div:before { content: \'bäz\' }',
encoding='utf-8')
handle, pathname = tempfile.mkstemp('.html')
tfile = os.fdopen(handle, 'w+b')
fmt.format(tokensource, tfile)
tfile.close()
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