text: # -*- coding: utf-8 -*-
  '''
      :codeauthor: Rahul Handay <rahulha@saltstack.com>
  '''
  # Import Python libs
  from __future__ import absolute_import
  
  # Import Salt Libs
  import salt.states.host as host
  
  # Import Salt Testing Libs
  from tests.support.mixins import LoaderModuleMockMixin
  from tests.support.unit import skipIf, TestCase
  from tests.support.mock import (
      NO_MOCK,
      NO_MOCK_REASON,
      MagicMock,
      patch
  )
  
  
  @skipIf(NO_MOCK, NO_MOCK_REASON)
  class HostTestCase(TestCase, LoaderModuleMockMixin):
      '''
          Validate the host state
      '''
      def setup_loader_modules(self):
          return {host: {}}
  
      def test_present(self):
          '''
              Test to ensures that the named host is present with the given ip
          '''
          ret = {'changes': {},
                 'comment': 'Host salt (127.0.0.1) already present',
                 'name': 'salt', 'result': True}
  
          mock = MagicMock(return_value=True)
          with patch.dict(host.__salt__, {'hosts.has_pair': mock}):
              self.assertDictEqual(host.present("salt", "127.0.0.1"), ret)
  
      def test_absent(self):
          '''
              Test to ensure that the named host is absent
          '''
          ret = {'changes': {},
                 'comment': 'Host salt (127.0.0.1) already absent',
                 'name': 'salt', 'result': True}
  
          mock = MagicMock(return_value=False)
          with patch.dict(host.__salt__, {'hosts.has_pair': mock}):
              self.assertDictEqual(host.absent("salt", "127.0.0.1"), ret)
  
      def test_only_already(self):
          '''
          Test only() when the state hasn't changed
          '''
          expected = {
              'name': '127.0.1.1',
              'changes': {},
              'result': True,
              'comment': 'IP address 127.0.1.1 already set to "foo.bar"'}
          mock1 = MagicMock(return_value=['foo.bar'])
          with patch.dict(host.__salt__, {'hosts.get_alias': mock1}):
              mock2 = MagicMock(return_value=True)
              with patch.dict(host.__salt__, {'hosts.set_host': mock2}):
                  with patch.dict(host.__opts__, {'test': False}):
                      self.assertDictEqual(
                          expected,
                          host.only("127.0.1.1", 'foo.bar'))
  
      def test_only_dryrun(self):
          '''
          Test only() when state would change, but it's a dry run
          '''
          expected = {
              'name': '127.0.1.1',
              'changes': {},
              'result': None,
              'comment': 'Would change 127.0.1.1 from "foo.bar" to "foo.bar foo"'}
          mock1 = MagicMock(return_value=['foo.bar'])
          with patch.dict(host.__salt__, {'hosts.get_alias': mock1}):
              mock2 = MagicMock(return_value=True)
              with patch.dict(host.__salt__, {'hosts.set_host': mock2}):
                  with patch.dict(host.__opts__, {'test': True}):
                      self.assertDictEqual(
                          expected,
                          host.only("127.0.1.1", ['foo.bar', 'foo']))
  
      def test_only_fail(self):
          '''
          Test only() when state change fails
          '''
          expected = {
              'name': '127.0.1.1',
              'changes': {},
              'result': False,
              'comment': 'hosts.set_host failed to change 127.0.1.1'
                  + ' from "foo.bar" to "foo.bar foo"'}
          mock = MagicMock(return_value=['foo.bar'])
          with patch.dict(host.__salt__, {'hosts.get_alias': mock}):
              mock = MagicMock(return_value=False)
              with patch.dict(host.__salt__, {'hosts.set_host': mock}):
                  with patch.dict(host.__opts__, {'test': False}):
                      self.assertDictEqual(
                          expected,
                          host.only("127.0.1.1", ['foo.bar', 'foo']))
  
      def test_only_success(self):
          '''
          Test only() when state successfully changes
          '''
          expected = {
              'name': '127.0.1.1',
              'changes': {'127.0.1.1': {'old': 'foo.bar', 'new': 'foo.bar foo'}},
              'result': True,
              'comment': 'successfully changed 127.0.1.1'
                  + ' from "foo.bar" to "foo.bar foo"'}
          mock = MagicMock(return_value=['foo.bar'])
          with patch.dict(host.__salt__, {'hosts.get_alias': mock}):
              mock = MagicMock(return_value=True)
              with patch.dict(host.__salt__, {'hosts.set_host': mock}):
                  with patch.dict(host.__opts__, {'test': False}):
                      self.assertDictEqual(
                          expected,
                          host.only("127.0.1.1", ['foo.bar', 'foo']))
  