from __future__ import (absolute_import, division, print_function) __metaclass__ = type import os import shutil import tempfile from mock import patch, MagicMock, mock_open from ansible.module_utils import basic from ansible.module_utils.common._utils import get_all_subclasses from ansible.modules import hostname from units.modules.utils import ModuleTestCase, set_module_args from ansible.module_utils.six import PY2 class TestHostname(ModuleTestCase): @patch('os.path.isfile') def test_stategy_get_never_writes_in_check_mode(self, isfile): isfile.return_value = True set_module_args({'name': 'fooname', '_ansible_check_mode': True}) subclasses = get_all_subclasses(hostname.BaseStrategy) module = MagicMock() for cls in subclasses: instance = cls(module) instance.module.run_command = MagicMock() instance.module.run_command.return_value = (0, '', '') m = mock_open() builtins = 'builtins' if PY2: builtins = '__builtin__' with patch('%s.open' % builtins, m): instance.get_permanent_hostname() instance.get_current_hostname() self.assertFalse( m.return_value.write.called, msg='%s called write, should not have' % str(cls)) def test_all_named_strategies_exist(self): """Loop through the STRATS and see if anything is missing.""" for _name, prefix in hostname.STRATS.items(): classname = "%sStrategy" % prefix cls = getattr(hostname, classname, None) if cls is None: self.assertFalse( cls is None, "%s is None, should be a subclass" % classname ) else: self.assertTrue(issubclass(cls, hostname.BaseStrategy)) class TestRedhatStrategy(ModuleTestCase): def setUp(self): super(TestRedhatStrategy, self).setUp() self.testdir = tempfile.mkdtemp(prefix='ansible-test-hostname-') self.network_file = os.path.join(self.testdir, "network") def tearDown(self): super(TestRedhatStrategy, self).tearDown() shutil.rmtree(self.testdir, ignore_errors=True) @property def instance(self): self.module = MagicMock() instance = hostname.RedHatStrategy(self.module) instance.NETWORK_FILE = self.network_file return instance def test_get_permanent_hostname_missing(self): self.assertIsNone(self.instance.get_permanent_hostname()) self.assertTrue(self.module.fail_json.called) self.module.fail_json.assert_called_with( "Unable to locate HOSTNAME entry in %s" % self.network_file ) def test_get_permanent_hostname_line_missing(self): with open(self.network_file, "w") as f: f.write("# some other content\n") self.assertIsNone(self.instance.get_permanent_hostname()) self.module.fail_json.assert_called_with( "Unable to locate HOSTNAME entry in %s" % self.network_file ) def test_get_permanent_hostname_existing(self): with open(self.network_file, "w") as f: f.write( "some other content\n" "HOSTNAME=foobar\n" "more content\n" ) self.assertEqual(self.instance.get_permanent_hostname(), "foobar") def test_get_permanent_hostname_existing_whitespace(self): with open(self.network_file, "w") as f: f.write( "some other content\n" " HOSTNAME=foobar \n" "more content\n" ) self.assertEqual(self.instance.get_permanent_hostname(), "foobar") def test_set_permanent_hostname_missing(self): self.instance.set_permanent_hostname("foobar") with open(self.network_file) as f: self.assertEqual(f.read(), "HOSTNAME=foobar\n") def test_set_permanent_hostname_line_missing(self): with open(self.network_file, "w") as f: f.write("# some other content\n") self.instance.set_permanent_hostname("foobar") with open(self.network_file) as f: self.assertEqual(f.read(), "# some other content\nHOSTNAME=foobar\n") def test_set_permanent_hostname_existing(self): with open(self.network_file, "w") as f: f.write( "some other content\n" "HOSTNAME=spam\n" "more content\n" ) self.instance.set_permanent_hostname("foobar") with open(self.network_file) as f: self.assertEqual( f.read(), "some other content\n" "HOSTNAME=foobar\n" "more content\n" ) def test_set_permanent_hostname_existing_whitespace(self): with open(self.network_file, "w") as f: f.write( "some other content\n" " HOSTNAME=spam \n" "more content\n" ) self.instance.set_permanent_hostname("foobar") with open(self.network_file) as f: self.assertEqual( f.read(), "some other content\n" "HOSTNAME=foobar\n" "more content\n" )