text: # -*- coding: utf-8 -*-
  """
      Pygments HTML formatter tests
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
      :copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  from __future__ import print_function
  
  import io
  import os
  import re
  import tempfile
  from os import path
  
  from pytest import raises
  
  from pygments.util import StringIO
  from pygments.lexers import PythonLexer
  from pygments.formatters import HtmlFormatter, NullFormatter
  from pygments.formatters.html import escape_html
  
  TESTDIR = path.dirname(path.abspath(__file__))
  TESTFILE = path.join(TESTDIR, 'test_html_formatter.py')
  
  with io.open(TESTFILE, encoding='utf-8') as fp:
      tokensource = list(PythonLexer().get_tokens(fp.read()))
  
  
  def test_correct_output():
      hfmt = HtmlFormatter(nowrap=True)
      houtfile = StringIO()
      hfmt.format(tokensource, houtfile)
  
      nfmt = NullFormatter()
      noutfile = StringIO()
      nfmt.format(tokensource, noutfile)
  
      stripped_html = re.sub('<.*?>', '', houtfile.getvalue())
      escaped_text = escape_html(noutfile.getvalue())
      assert stripped_html == escaped_text
  
  
  def test_external_css():
      # 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=path.join(TESTDIR, 'fmt2.css'),
                           outencoding='utf-8')
      tfile = tempfile.NamedTemporaryFile(suffix='.html')
      fmt1.format(tokensource, tfile)
      try:
          fmt2.format(tokensource, tfile)
          assert path.isfile(path.join(TESTDIR, 'fmt2.css'))
      except IOError:
          # test directory not writable
          pass
      tfile.close()
  
      assert path.isfile(path.join(path.dirname(tfile.name), 'fmt1.css'))
      os.unlink(path.join(path.dirname(tfile.name), 'fmt1.css'))
      try:
          os.unlink(path.join(TESTDIR, 'fmt2.css'))
      except OSError:
          pass
  
  
  def test_all_options():
      def check(optdict):
          outfile = StringIO()
          fmt = HtmlFormatter(**optdict)
          fmt.format(tokensource, outfile)
  
      for optdict in [
          dict(nowrap=True),
          dict(linenos=True, full=True),
          dict(linenos=True, linespans='L'),
          dict(hl_lines=[1, 5, 10, 'xxx']),
          dict(hl_lines=[1, 5, 10], noclasses=True),
          dict(hl_words={1: (1, 2), 5: (4, 9), 10: (3, 7)}),
          dict(hl_words={1: (1, 2), 5: (4, 9), 10: (3, 7)}, noclasses=True),
      ]:
          check(optdict)
  
      for linenos in [False, 'table', 'inline']:
          for noclasses in [False, True]:
              for linenospecial in [0, 5]:
                  for anchorlinenos in [False, True]:
                      optdict = dict(
                          linenos=linenos,
                          noclasses=noclasses,
                          linenospecial=linenospecial,
                          anchorlinenos=anchorlinenos,
                      )
                      check(optdict)
  
  
  def test_linenos():
      optdict = dict(linenos=True)
      outfile = StringIO()
      fmt = HtmlFormatter(**optdict)
      fmt.format(tokensource, outfile)
      html = outfile.getvalue()
      assert re.search(r"<pre>\s+1\s+2\s+3", html)
  
  
  def test_linenos_with_startnum():
      optdict = dict(linenos=True, linenostart=5)
      outfile = StringIO()
      fmt = HtmlFormatter(**optdict)
      fmt.format(tokensource, outfile)
      html = outfile.getvalue()
      assert re.search(r"<pre>\s+5\s+6\s+7", html)
  
  
  def test_lineanchors():
      optdict = dict(lineanchors="foo")
      outfile = StringIO()
      fmt = HtmlFormatter(**optdict)
      fmt.format(tokensource, outfile)
      html = outfile.getvalue()
      assert re.search("<pre><span></span><a name=\"foo-1\">", html)
  
  
  def test_lineanchors_with_startnum():
      optdict = dict(lineanchors="foo", linenostart=5)
      outfile = StringIO()
      fmt = HtmlFormatter(**optdict)
      fmt.format(tokensource, outfile)
      html = outfile.getvalue()
      assert re.search("<pre><span></span><a name=\"foo-5\">", html)
  
  
  def test_valid_output():
      # test all available wrappers
      fmt = HtmlFormatter(full=True, linenos=True, noclasses=True,
                          outencoding='utf-8')
  
      handle, pathname = tempfile.mkstemp('.html')
      with os.fdopen(handle, 'w+b') as tfile:
          fmt.format(tokensource, tfile)
      catname = os.path.join(TESTDIR, 'dtds', 'HTML4.soc')
      try:
          import subprocess
          po = subprocess.Popen(['nsgmls', '-s', '-c', catname, pathname],
                                stdout=subprocess.PIPE)
          ret = po.wait()
          output = po.stdout.read()
          po.stdout.close()
      except OSError:
          # nsgmls not available
          pass
      else:
          if ret:
              print(output)
          assert not ret, 'nsgmls run reported errors'
  
      os.unlink(pathname)
  
  
  def test_get_style_defs():
      fmt = HtmlFormatter()
      sd = fmt.get_style_defs()
      assert sd.startswith('.')
  
      fmt = HtmlFormatter(cssclass='foo')
      sd = fmt.get_style_defs()
      assert sd.startswith('.foo')
      sd = fmt.get_style_defs('.bar')
      assert sd.startswith('.bar')
      sd = fmt.get_style_defs(['.bar', '.baz'])
      fl = sd.splitlines()[0]
      assert '.bar' in fl and '.baz' in fl
  
  
  def test_unicode_options():
      fmt = HtmlFormatter(title=u'Föö',
                          cssclass=u'bär',
                          cssstyles=u'div:before { content: \'bäz\' }',
                          encoding='utf-8')
      handle, pathname = tempfile.mkstemp('.html')
      with os.fdopen(handle, 'w+b') as tfile:
          fmt.format(tokensource, tfile)
  
  
  def test_ctags():
      try:
          import ctags
      except ImportError:
          # we can't check without the ctags module, but at least check the exception
          assert raises(RuntimeError, HtmlFormatter, tagsfile='support/tags')
      else:
          # this tagfile says that test_ctags() is on line 165, even if it isn't
          # anymore in the actual source
          fmt = HtmlFormatter(tagsfile='support/tags', lineanchors='L',
                              tagurlformat='%(fname)s%(fext)s')
          outfile = StringIO()
          fmt.format(tokensource, outfile)
          assert '<a href="test_html_formatter.py#L-165">test_ctags</a>' \
              in outfile.getvalue()
  
  
  def test_filename():
      optdict = dict(filename="test.py")
      outfile = StringIO()
      fmt = HtmlFormatter(**optdict)
      fmt.format(tokensource, outfile)
      html = outfile.getvalue()
      assert re.search("<span class=\"filename\">test.py</span><pre>", html)
  