Docserver: achieve online vs offline (cron vs instance) behaviour at the object

chrome/common/extensions/docs/server2/integration_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 __future__ import print_function
-
 # Run build_server so that files needed by tests are copied to the local
 # third_party directory.
 import build_server
 build_server.main()
 
 import logging
 import optparse
 import os
 import sys
 import time
 import unittest
 
 from cron_servlet import CronServlet
 from local_renderer import LocalRenderer
-from render_servlet import AlwaysOnline
-from test_util import DisableLogging
+from test_util import EnableLogging, DisableLogging
 
 # Arguments set up if __main__ specifies them.
 _BASE_PATH = os.path.join(
     os.path.abspath(os.path.dirname(__file__)), os.pardir, os.pardir)
 _EXPLICIT_TEST_FILES = None
 
 def _GetPublicFiles():
   '''Gets all public files mapped to their contents.
   '''
   public_path = os.path.join(_BASE_PATH, 'docs', 'templates', 'public', '')
   public_files = {}
   for path, dirs, files in os.walk(public_path, topdown=True):
     dirs[:] = [d for d in dirs if d != '.svn']
     relative_path = path[len(public_path):]
     for filename in files:
       with open(os.path.join(path, filename), 'r') as f:
         public_files[os.path.join(relative_path, filename)] = f.read()
   return public_files
 
 class IntegrationTest(unittest.TestCase):
   def setUp(self):
     self._renderer = LocalRenderer(_BASE_PATH)
 
+  @EnableLogging('info')
   def testCronAndPublicFiles(self):
     '''Runs cron then requests every public file. Cron needs to be run first
     because the public file requests are offline.
     '''
     if _EXPLICIT_TEST_FILES is not None:
       return
 
     print('Running cron...')
     start_time = time.time()
     try:
-      logging_info = logging.info
-      logging.info = print
       response = self._renderer.Render('/stable', servlet=CronServlet)
       self.assertEqual(200, response.status)
       self.assertEqual('Success', response.content.ToString())
     finally:
-      logging.info = logging_info
       print('Took %s seconds' % (time.time() - start_time))
 
     public_files = _GetPublicFiles()
 
     print('Rendering %s public files...' % len(public_files.keys()))
     start_time = time.time()
     try:
       for path, content in _GetPublicFiles().iteritems():
         def check_result(response):
           self.assertEqual(200, response.status,
               'Got %s when rendering %s' % (response.status, path))
           # This is reaaaaally rough since usually these will be tiny templates
           # that render large files. At least it'll catch zero-length responses.
           self.assertTrue(len(response.content) >= len(content),
               'Content was "%s" when rendering %s' % (response.content, path))
-        check_result(self._renderer.Render(path))
+        check_result(self._renderer.Render(path, offline=True))
         # Samples are internationalized, test some locales.
         if path.endswith('/samples.html'):
           for lang in ['en-US', 'es', 'ar']:
             check_result(self._renderer.Render(
-                path, headers={'Accept-Language': '%s;q=0.8' % lang}))
+                path,
+                headers={'Accept-Language': '%s;q=0.8' % lang},
+                offline=True))
     finally:
       print('Took %s seconds' % (time.time() - start_time))
 
-  @AlwaysOnline
   def testExplicitFiles(self):
     '''Tests just the files in _EXPLICIT_TEST_FILES.
     '''
     if _EXPLICIT_TEST_FILES is None:
       return
     for filename in _EXPLICIT_TEST_FILES:
       print('Rendering %s...' % filename)
       start_time = time.time()
       try:
         response = self._renderer.Render(filename)
         self.assertEqual(200, response.status)
         self.assertTrue(response.content != '')
       finally:
         print('Took %s seconds' % (time.time() - start_time))
 
   @DisableLogging('warning')
-  @AlwaysOnline
   def testFileNotFound(self):
     response = self._renderer.Render('/extensions/notfound.html')
     self.assertEqual(404, response.status)
 
 if __name__ == '__main__':
   parser = optparse.OptionParser()
   parser.add_option('-p', '--path', default=None)
   parser.add_option('-a', '--all', action='store_true', default=False)
   (opts, args) = parser.parse_args()
   if not opts.all:
     _EXPLICIT_TEST_FILES = args
   if opts.path is not None:
     _BASE_PATH = opts.path
   # Kill sys.argv because we have our own flags.
   sys.argv = [sys.argv[0]]
   unittest.main()