Don't consider contents of source comments for the search index.

tests/test_search.py

@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+"""
+    test_search
+    ~~~~~~~~~~~
+
+    Test the search index builder.
+
+    :copyright: Copyright 2007-2009 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from docutils import frontend, utils, nodes
+from docutils.parsers import rst
+
+from sphinx.search import IndexBuilder
+
+
+def setup_module():
+    global settings, parser
+    optparser = frontend.OptionParser(components=(rst.Parser,))
+    settings = optparser.get_default_values()
+    parser = rst.Parser()
+
+
+FILE_CONTENTS = '''\
+.. test that comments are not indexed: boson
+
+test that non-comments are indexed: fermion
+'''
+
+def test_wordcollector():
+    doc = utils.new_document('test data', settings)
+    doc['file'] = 'dummy'
+    parser.parse(FILE_CONTENTS, doc)
+
+    ix = IndexBuilder(None)
+    ix.feed('filename', 'title', doc)
+    assert 'boson' not in ix._mapping
+    assert 'fermion' in ix._mapping