Refactor the devserver to make it easier to control caching

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>'
+})
+
+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>',
+                     data['intro'].render().text)
+
+if __name__ == '__main__':
+  unittest.main()