[svn] Add validation test for HTML formatter.

1 files changed, 31 insertions, 1 deletions

diff --git a/tests/test_html_formatter.py b/tests/test_html_formatter.py
index a23fbfa9..ba3ed69e 100644
--- a/tests/test_html_formatter.py
+++ b/tests/test_html_formatter.py
@@ -11,6 +11,7 @@ import os
 import unittest
 import StringIO
 import random
+import tempfile
 
 from pygments import lexers, formatters
 from pygments.token import _TokenType
@@ -34,4 +35,33 @@ class HtmlFormatterTest(unittest.TestCase):
             outfile = StringIO.StringIO()
             fmt = HtmlFormatter(**optdict)
             fmt.format(tokensource, outfile)
-        
+
+    def test_valid_output(self):
+        tokensource = list(PythonLexer().get_tokens(file(os.path.join(testdir, testfile)).read()))
+        fmt = HtmlFormatter(full=True, linenos=True, noclasses=True)
+
+        handle, pathname = tempfile.mkstemp('.html')
+        # place all output files in /tmp too
+        old_wd = os.getcwd()
+        os.chdir(os.path.dirname(pathname))
+        tfile = os.fdopen(handle, 'w+b')
+        fmt.format(tokensource, tfile)
+        tfile.close()
+        catname = os.path.join(testdir, 'dtds', 'HTML4.soc')
+        try:
+            try:
+                import subprocess
+                ret = subprocess.Popen(['nsgmls', '-s', '-c', catname, pathname],
+                                       stdout=subprocess.PIPE).wait()
+            except ImportError:
+                # Python 2.3 - no subprocess module
+                ret = os.popen('nsgmls -s -c "%s" "%s"' % (catname, pathname)).close()
+                if ret == 32512: raise OSError  # not found
+        except OSError:
+            # latex not available
+            pass
+        else:
+            self.failIf(ret, 'nsgmls run reported errors')
+
+        os.unlink(pathname)
+        os.chdir(old_wd)