Added tests

tests/unit/modules/network/ios/fixtures/ios_facts_show_ip_interface

@@ -0,0 +1,6 @@
+Tunnel1110 is up, line protocol is up
+  Internet address is 10.10.10.2/30
+GigabitEthernet2/5/5 is up, line protocol is up
+  Internet protocol processing disabled
+GigabitEthernet2/5/5.1874 is deleted, line protocol is down
+  Internet protocol processing disabled

tests/unit/modules/network/ios/test_ios_facts.py

@@ -19,6 +19,7 @@
 
 
 __metaclass__ = type
+from textwrap import dedent
 from unittest.mock import patch
 
 from ansible.module_utils.six import assertCountEqual
@@ -199,3 +200,29 @@ def test_ios_facts_neighbors(self):
             result["ansible_facts"]["ansible_net_neighbors"]["GigabitEthernet3"],
             [{"host": "Rtest", "port": "Gi1", "ip": "10.3.0.3"}],
         )
+
+    def test_ios_facts_interfaces(self):
+        set_module_args(dict(gather_subset="interfaces"))
+        result = self.execute_module()
+        self.assertEqual(
+            result["ansible_facts"]["ansible_net_interfaces"]["GigabitEthernet2/5/5.1874"],
+            {'ipv4': [], 'operstatus': 'deleted'},
+        )
+        self.assertEqual(
+            result["ansible_facts"]["ansible_net_interfaces"]["Tunnel1110"],
+            {
+                'bandwidth': None, 
+                'description': None, 
+                'duplex': None, 
+                'ipv4': [
+                    {'address': '10.10.10.2', 'subnet': '30'}
+                ], 
+                'lineprotocol': 'up', 
+                'macaddress': None, 
+                'mediatype': None, 
+                'mtu': None, 
+                'operstatus': 'up', 
+                'type': None
+            },
+        )
+