Extend tests a bit more.

tests/unit/plugins/module_utils/test_dnspython_records.py

@@ -12,6 +12,7 @@
 import pytest
 
 from ansible_collections.community.dns.plugins.module_utils.dnspython_records import (
+    RDTYPE_TO_FIELDS,
     convert_rdata_to_dict,
 )
 
@@ -38,6 +39,14 @@
             'address': '1:2::3',
         },
     ),
+    (
+        dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.AAAA, '::'),
+        False,
+        True,
+        {
+            'address': '::',
+        },
+    ),
     (
         dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.CAA, '10 issue letsencrypt.org'),
         True,
@@ -388,3 +397,12 @@ def test_convert_rdata_to_dict(rdata, to_unicode, add_synthetic, expected_result
     print(expected_result)
     print(result)
     assert expected_result == result
+
+
+def test_error():
+    v = RDTYPE_TO_FIELDS.pop(dns.rdatatype.A)
+    with pytest.raises(ValueError) as exc:
+        convert_rdata_to_dict(dns.rdata.from_text(dns.rdataclass.IN, dns.rdatatype.A, '3.3.3.3'))
+    RDTYPE_TO_FIELDS[dns.rdatatype.A] = v
+    print(exc.value.args)
+    assert exc.value.args == ('Unsupported record type 1', )