Dynamically generate a heading for Extension Docs API pages

chrome/common/extensions/docs/server2/intro_data_source_test.py

 #!/usr/bin/env python
 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from server_instance import ServerInstance
 import svn_constants
 from test_file_system import TestFileSystem
 import unittest
 
-_TEST_DATA = TestFileSystem.MoveTo(svn_constants.INTRO_PATH, {
-  'test.html': '<h1>hello</h1>world<h2>first</h2><h3>inner</h3><h2>second</h2>'
+_TEST_DATA = TestFileSystem.MoveTo(svn_constants.TEMPLATE_PATH, {
+  'intros': {
+    'test.html': '<h1>hello</h1>you<h2>first</h2><h3>inner</h3><h2>second</h2>'
+  },
+  'json': {
+    'api_availabilities.json': '[{ "name" : "test", "availability" : "none" }]'
+  }
 })
 
 class IntroDataSourceTest(unittest.TestCase):
   def setUp(self):
     self._server = ServerInstance.CreateForTest(TestFileSystem(_TEST_DATA))
 
   def testIntro(self):
     intro_data_source = self._server.intro_data_source_factory.Create()
     data = intro_data_source.get('test')
     self.assertEqual('hello', data['title'])
     # TODO(kalman): test links.
     expected_toc = [{'subheadings': [{'link': '', 'title': u'inner'}],
                      'link': '',
                      'title': u'first'},
                     {'subheadings': [], 'link': '', 'title': u'second'}]
     self.assertEqual(expected_toc, data['apps_toc'])
     self.assertEqual(expected_toc, data['extensions_toc'])
-    self.assertEqual('world<h2>first</h2><h3>inner</h3><h2>second</h2>',
+    self.assertEqual('you<h2>first</h2><h3>inner</h3><h2>second</h2>',
                      data['intro'].render().text)
 
 if __name__ == '__main__':
   unittest.main()