text: #!/usr/bin/env python
  #
  # Copyright 2007 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  
  """Google3 version of apphosting/ext/mapreduce/testutil.py."""
  
  
  from google.appengine.tools import os_compat
  
  import os
  import sys
  
  from google.appengine.api import apiproxy_stub_map
  from google.appengine.api import datastore_file_stub
  from google.appengine.api import queueinfo
  from google.appengine.api import user_service_stub
  from google.appengine.api.memcache import memcache_stub
  from google.appengine.api.taskqueue import taskqueue_stub
  from google.appengine.ext.datastore_admin import utils
  from google.testing.pybase import googletest
  
  
  class HandlerTestBase(googletest.TestCase):
    """Base class for all webapp.RequestHandler tests."""
  
    MAPREDUCE_KICKOFF_URL = "/_ah/mapreduce/kickoffjob_callback"
  
    def setUp(self):
      googletest.TestCase.setUp(self)
  
      self.appid = "testapp"
      os.environ["APPLICATION_ID"] = self.appid
  
      self.memcache = memcache_stub.MemcacheServiceStub()
      self.taskqueue = taskqueue_stub.TaskQueueServiceStub()
      self.taskqueue.queue_yaml_parser = (
          lambda x: queueinfo.LoadSingleQueue(
              "queue:\n"
              "- name: default\n"
              "  rate: 10/s\n"
              "- name: crazy-queue\n"
              "  rate: 2000/d\n"
              "  bucket_size: 10\n"))
      self.datastore = datastore_file_stub.DatastoreFileStub(
          self.appid, "/dev/null", "/dev/null")
      self.user = user_service_stub.UserServiceStub()
  
      apiproxy_stub_map.apiproxy = apiproxy_stub_map.APIProxyStubMap()
      apiproxy_stub_map.apiproxy.RegisterStub("taskqueue", self.taskqueue)
      apiproxy_stub_map.apiproxy.RegisterStub("memcache", self.memcache)
      apiproxy_stub_map.apiproxy.RegisterStub("datastore_v3", self.datastore)
      apiproxy_stub_map.apiproxy.RegisterStub("user", self.user)
  
    def assertTaskStarted(self, queue="default",
                          active_jobs=1):
      tasks = self.taskqueue.GetTasks(queue)
      self.assertEquals(1, len(tasks))
      self.assertEquals(tasks[0]["url"], self.MAPREDUCE_KICKOFF_URL)
  
      operations = utils.DatastoreAdminOperation.all().fetch(100)
      self.assertEquals(1, len(operations))
  
      operation = operations[0]
      self.assertEquals("Active", operation.status)
      self.assertTrue(operation.description)
      self.assertEquals(active_jobs, operation.active_jobs)
  
    def assertTaskNotStarted(self, queue="default"):
      tasks = self.taskqueue.GetTasks(queue)
      self.assertEquals(0, len(tasks))
      self.assertEquals([], utils.DatastoreAdminOperation.all().fetch(100))
  