Add lots of test cases to inventory/test_host.py (#17827)

test/units/inventory/test_host.py

@@ -15,12 +15,18 @@
 # You should have received a copy of the GNU General Public License
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
-import unittest
+# for __setstate__/__getstate__ tests
+import pickle
 
+from ansible.compat.six import string_types
+from ansible.compat.tests import unittest
+
+from ansible.inventory.group import Group
 from ansible.inventory.host import Host
 
 
 class TestHost(unittest.TestCase):
+    ansible_port = 22
 
     def setUp(self):
         self.hostA = Host('a')
@@ -34,3 +40,99 @@ class TestHost(unittest.TestCase):
     def test_hashability(self):
         # equality implies the hash values are the same
         self.assertEqual(hash(self.hostA), hash(Host('a')))
+
+    def test_get_vars(self):
+        host_vars = self.hostA.get_vars()
+        self.assertIsInstance(host_vars, dict)
+
+    def test_get_group_vars(self):
+        group_vars = self.hostA.get_group_vars()
+        self.assertIsInstance(group_vars, dict)
+
+    def test_repr(self):
+        host_repr = repr(self.hostA)
+        self.assertIsInstance(host_repr, string_types)
+
+    def test_gathered_facts_empty(self):
+        gathered_facts = self.hostA.gathered_facts
+        self.assertFalse(gathered_facts)
+
+    def test_add_group(self):
+        group = Group('some_group')
+        group_len = len(self.hostA.groups)
+        self.hostA.add_group(group)
+        self.assertEqual(len(self.hostA.groups), group_len + 1)
+
+    def test_get_groups(self):
+        group = Group('some_group')
+        self.hostA.add_group(group)
+        groups = self.hostA.get_groups()
+        self.assertEqual(len(groups), 1)
+        for _group in groups:
+            self.assertIsInstance(_group, Group)
+
+    def test_get_group_vars_with_groups(self):
+        group = Group('some_group')
+        self.hostA.add_group(group)
+        group_vars = self.hostA.get_group_vars()
+        self.assertIsInstance(group_vars, dict)
+
+    def test_get_group_vars_with_nested_groups(self):
+        parent_group = Group('some_parent_group')
+        parent_group.set_variable('parent_some_key', 'parent_some_value')
+        child_group = Group('some_child_group')
+        child_group.set_variable('child_some_key', 'child_some_value')
+        parent_group.add_child_group(child_group)
+        self.hostA.add_group(child_group)
+        group_vars = self.hostA.get_group_vars()
+        self.assertIsInstance(group_vars, dict)
+        self.assertIn('parent_some_key', group_vars)
+        self.assertIn('child_some_key', group_vars)
+
+    def test_equals_none(self):
+        other = None
+        self.hostA == other
+        other == self.hostA
+        self.hostA != other
+        other != self.hostA
+        self.assertNotEqual(self.hostA, other)
+
+    def test_serialize(self):
+        group = Group('some_group')
+        self.hostA.add_group(group)
+        data = self.hostA.serialize()
+        self.assertIsInstance(data, dict)
+
+    def test_serialize_then_deserialize(self):
+        group = Group('some_group')
+        self.hostA.add_group(group)
+        hostA_data = self.hostA.serialize()
+
+        hostA_clone = Host()
+        hostA_clone.deserialize(hostA_data)
+        self.assertEquals(self.hostA, hostA_clone)
+
+    def test_set_state(self):
+        group = Group('some_group')
+        self.hostA.add_group(group)
+
+        pickled_hostA = pickle.dumps(self.hostA)
+
+        hostA_clone = pickle.loads(pickled_hostA)
+        self.assertEquals(self.hostA, hostA_clone)
+
+    def test_set_gathered_facts(self):
+        self.hostA.set_gathered_facts(True)
+        self.assertTrue(self.hostA.gathered_facts)
+
+
+class TestHostWithPort(TestHost):
+    ansible_port = 8822
+
+    def setUp(self):
+        self.hostA = Host(name='a', port=self.ansible_port)
+        self.hostB = Host(name='b', port=self.ansible_port)
+
+    def test_get_vars_ansible_port(self):
+        host_vars = self.hostA.get_vars()
+        self.assertEquals(host_vars['ansible_port'], self.ansible_port)