text: #!/usr/bin/env python
  # Licensed to Cloudera, Inc. under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  Cloudera, Inc. licenses this file
  # to you 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.
  
  from builtins import object
  import json
  
  from django.contrib.auth.models import User
  from django.urls import reverse
  
  from nose.tools import assert_true, assert_false, assert_equal
  
  from desktop.lib.django_test_util import make_logged_in_client
  from desktop.lib.test_utils import grant_access
  from desktop.models import Settings
  from oozie.tests import OozieBase
  
  
  
  class TestAboutBase(object):
    def setUp(self):
      self.client = make_logged_in_client(username="about", is_superuser=False)
      grant_access("about", "about", "about")
  
      self.client_admin = make_logged_in_client(username="about_admin", is_superuser=True)
      grant_access("about_admin", "about_admin", "about")
  
  
  class TestAbout(TestAboutBase, OozieBase):
  
    def test_admin_wizard_permissions(self):
      response = self.client_admin.get(reverse('about:index'))
      assert_true('Check Configuration' in response.content, response.content)
  
      response = self.client.get(reverse('about:index'))
      assert_false('Check Configuration' in response.content, response.content)
  
  
  class TestAboutWithNoCluster(TestAboutBase):
  
    def test_dump_config(self):
      # Exception raised if bad unicode
      self.client_admin.get(reverse('about:index'), HTTP_ACCEPT_LANGUAGE='fr-fr')
  
    def test_collect_usage(self):
      collect_usage = Settings.get_settings().collect_usage
  
      try:
        response = self.client.post(reverse('about:update_preferences'), {'collect_usage': False})
        data = json.loads(response.content)
        assert_equal(data['status'], 0)
        assert_false(data['collect_usage'] == True) # Weird but works
  
        response = self.client.post(reverse('about:update_preferences'), {'collect_usage': True})
        data = json.loads(response.content)
        assert_equal(data['status'], 0)
        assert_true(data['collect_usage'])
      finally:
        settings = Settings.get_settings()
        settings.collect_usage = collect_usage
        settings.save()
  