old_contents: import salt.proxy.junos as junos
  
  import sys
  
  # Import Salt Testing Libs
  from tests.support.mixins import LoaderModuleMockMixin
  from tests.support.mock import MagicMock, patch
  from tests.support.unit import TestCase, skipIf
  
  if sys.version < "3":
      from six import StringIO
  else:
      from io import BytesIO as StringIO
  
  try:
      from jnpr.junos.device import Device
      from jnpr.junos.exception import ConnectError
      import jxmlease  # pylint: disable=unused-import
      from ncclient.transport.ssh import SSHSession
      from ncclient.devices.junos import JunosDeviceHandler
  
      HAS_JUNOS = True
  except ImportError:
      HAS_JUNOS = False
  
  
  @skipIf(not HAS_JUNOS, "The junos-eznc and jxmlease modules are required")
  class JunosProxyTestCase(TestCase, LoaderModuleMockMixin):
      def setup_loader_modules(self):
          return {
              junos: {
                  "__virtual__": MagicMock(return_value="junos"),
                  "DETAILS": {},
                  "__pillar__": {},
              }
          }
  
      def setUp(self):
          self.opts = {"proxy": {"username": "xxxx", "password]": "xxx", "host": "junos"}}
  
      @patch("ncclient.manager.connect")
      def test_init(self, mock_connect):
          junos.init(self.opts)
          self.assertTrue(junos.thisproxy.get("initialized"))
  
      @patch("ncclient.manager.connect")
      def test_init_err(self, mock_connect):
          mock_connect.side_effect = ConnectError
          junos.init(self.opts)
          self.assertFalse(junos.thisproxy.get("initialized"))
  
      @patch("ncclient.manager.connect")
      def test_alive(self, mock_connect):
          junos.init(self.opts)
          junos.thisproxy["conn"]._conn._session._buffer = StringIO()
          self.assertTrue(junos.alive(self.opts))
          self.assertTrue(junos.thisproxy.get("initialized"))
  
new_contents: # -*- coding: utf-8 -*-
  import salt.proxy.junos as junos
  
  import sys
  
  # Import Salt Testing Libs
  from tests.support.mixins import LoaderModuleMockMixin
  from tests.support.mock import MagicMock, patch
  from tests.support.unit import TestCase, skipIf
  
  if sys.version < "3":
      from salt.ext.six import StringIO
  else:
      from io import BytesIO as StringIO
  
  try:
      from jnpr.junos.device import Device  # pylint: disable=unused-import
      from jnpr.junos.exception import ConnectError
      import jxmlease  # pylint: disable=unused-import
  
      HAS_JUNOS = True
  except ImportError:
      HAS_JUNOS = False
  
  
  @skipIf(not HAS_JUNOS, "The junos-eznc and jxmlease modules are required")
  class JunosProxyTestCase(TestCase, LoaderModuleMockMixin):
      def setup_loader_modules(self):
          return {
              junos: {
                  "__virtual__": MagicMock(return_value="junos"),
                  "DETAILS": {},
                  "__pillar__": {},
              }
          }
  
      def setUp(self):
          self.opts = {"proxy": {"username": "xxxx", "password]": "xxx", "host": "junos"}}
  
      @patch("ncclient.manager.connect")
      def test_init(self, mock_connect):
          junos.init(self.opts)
          self.assertTrue(junos.thisproxy.get("initialized"))
  
      @patch("ncclient.manager.connect")
      def test_init_err(self, mock_connect):
          mock_connect.side_effect = ConnectError
          junos.init(self.opts)
          self.assertFalse(junos.thisproxy.get("initialized"))
  
      @patch("ncclient.manager.connect")
      def test_alive(self, mock_connect):
          junos.init(self.opts)
          junos.thisproxy["conn"]._conn._session._buffer = StringIO()
          self.assertTrue(junos.alive(self.opts))
          self.assertTrue(junos.thisproxy.get("initialized"))
  
subject: test cases for junos proxy