text: #!/usr/bin/python2.4
  #
  # Copyright 2008 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.
  
  """Tests that the db module correctly initialises the API stubs."""
  
  
  import unittest
  
  from django.db import connection
  from appengine_django.db.base import DatabaseWrapper
  
  from appengine_django import appid
  from appengine_django.db import base
  
  
  class DatastoreTest(unittest.TestCase):
    """Tests that the datastore stubs have been correctly setup."""
  
    def testDjangoDBConnection(self):
      """Tests that the Django DB connection is using our replacement."""
      self.assert_(isinstance(connection, DatabaseWrapper))
  
    def testDjangoDBConnectionStubs(self):
      """Tests that members required by Django are stubbed."""
      self.assert_(hasattr(connection, "features"))
      self.assert_(hasattr(connection, "ops"))
  
    def testDjangoDBErrorClasses(self):
      """Tests that the error classes required by Django are stubbed."""
      self.assert_(hasattr(base, "DatabaseError"))
      self.assert_(hasattr(base, "IntegrityError"))
  
    def testDatastorePath(self):
      """Tests that the datastore path contains the app name."""
      d_path, h_path = base.get_datastore_paths()
      self.assertNotEqual(-1, d_path.find("django_%s" % appid))
      self.assertNotEqual(-1, h_path.find("django_%s" % appid))
  
    def testTestInMemoryDatastorePath(self):
      """Tests that the test datastore is using the in-memory datastore."""
      td_path, th_path = base.get_test_datastore_paths()
      self.assert_(td_path is None)
      self.assert_(th_path is None)
  
    def testTestFilesystemDatastorePath(self):
      """Tests that the test datastore is on the filesystem when requested."""
      td_path, th_path = base.get_test_datastore_paths(False)
      self.assertNotEqual(-1, td_path.find("testdatastore"))
      self.assertNotEqual(-1, th_path.find("testdatastore"))
  