text: # Copyright 2014 Microsoft Corporation
  #
  # 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.
  #
  # Requires Python 2.4+ and Openssl 1.0+
  #
  
  from azurelinuxagent.daemon import *
  from azurelinuxagent.daemon.main import OPENSSL_FIPS_ENVIRONMENT
  from tests.tools import *
  
  
  class MockDaemonCall(object):
      def __init__(self, daemon_handler, count):
          self.daemon_handler = daemon_handler
          self.count = count
  
      def __call__(self, *args, **kw):
          self.count = self.count - 1
          #Stop daemon after restarting for n times
          if self.count <= 0:
              self.daemon_handler.running = False
          raise Exception("Mock unhandled exception")
  
  class TestDaemon(AgentTestCase):
      
      @patch("time.sleep")
      def test_daemon_restart(self, mock_sleep):
          #Mock daemon function
          daemon_handler = get_daemon_handler()
          mock_daemon = Mock(side_effect=MockDaemonCall(daemon_handler, 2))
          daemon_handler.daemon = mock_daemon
  
          daemon_handler.check_pid = Mock()
   
          daemon_handler.run()
  
          mock_sleep.assert_any_call(15)
          self.assertEquals(2, daemon_handler.daemon.call_count)
  
      @patch("time.sleep")
      @patch("azurelinuxagent.daemon.main.conf")
      @patch("azurelinuxagent.daemon.main.sys.exit")
      def test_check_pid(self, mock_exit, mock_conf, mock_sleep):
          daemon_handler = get_daemon_handler()
  
          mock_pid_file = os.path.join(self.tmp_dir, "pid")
          mock_conf.get_agent_pid_file_path = Mock(return_value=mock_pid_file)
  
          daemon_handler.check_pid()
          self.assertTrue(os.path.isfile(mock_pid_file))
  
          daemon_handler.check_pid()
          mock_exit.assert_any_call(0)
  
      @patch("azurelinuxagent.daemon.main.DaemonHandler.check_pid")
      @patch("azurelinuxagent.common.conf.get_fips_enabled", return_value=True)
      def test_set_openssl_fips(self, mock_conf, mock_daemon):
          daemon_handler = get_daemon_handler()
          daemon_handler.running = False
          with patch.dict("os.environ"):
              daemon_handler.run()
              self.assertTrue(OPENSSL_FIPS_ENVIRONMENT in os.environ)
              self.assertEqual('1', os.environ[OPENSSL_FIPS_ENVIRONMENT])
  
      @patch("azurelinuxagent.daemon.main.DaemonHandler.check_pid")
      @patch("azurelinuxagent.common.conf.get_fips_enabled", return_value=False)
      def test_does_not_set_openssl_fips(self, mock_conf, mock_daemon):
          daemon_handler = get_daemon_handler()
          daemon_handler.running = False
          with patch.dict("os.environ"):
              daemon_handler.run()
              self.assertFalse(OPENSSL_FIPS_ENVIRONMENT in os.environ)
     
  if __name__ == '__main__':
      unittest.main()
  
  