test: add keyless list test

Keyless list is allowed for operational data. (see RFC7950 7.8.2.) It is
used in ietf-netconf-notifications:netconf-config-change, for example.

It is already supported, but untested, add a test case.

Signed-off-by: Wataru Ishida <wataru.ishid@gmail.com>
Signed-off-by: Samuel Gauthier <samuel.gauthier@6wind.com>

Author: ishidawataru

tests/test_data.py

@@ -704,6 +704,22 @@ def test_notification_from_dict_module(self):
             dnotif.free()
         self.assertEqual(json.loads(j), json.loads(self.JSON_NOTIF))
 
+    DICT_NOTIF_KEYLESS_LIST = {
+        "config-change": {"edit": [{"target": "a"}, {"target": "b"}]},
+    }
+
+    def test_data_to_dict_keyless_list(self):
+        module = self.ctx.get_module("yolo-system")
+        dnotif = module.parse_data_dict(
+            self.DICT_NOTIF_KEYLESS_LIST, strict=True, notification=True
+        )
+        self.assertIsInstance(dnotif, DNotif)
+        try:
+            dic = dnotif.print_dict()
+        finally:
+            dnotif.free()
+        self.assertEqual(dic, self.DICT_NOTIF_KEYLESS_LIST)
+
     XML_DIFF_STATE1 = """<state xmlns="urn:yang:yolo:system">
   <hostname>foo</hostname>
   <speed>1234</speed>

tests/test_diff.py

@@ -75,6 +75,9 @@ class DiffTest(unittest.TestCase):
             (SNodeAdded, "/yolo-system:alarm-triggered"),
             (SNodeAdded, "/yolo-system:alarm-triggered/severity"),
             (SNodeAdded, "/yolo-system:alarm-triggered/description"),
+            (SNodeAdded, "/yolo-system:config-change"),
+            (SNodeAdded, "/yolo-system:config-change/edit"),
+            (SNodeAdded, "/yolo-system:config-change/edit/target"),
             (EnumRemoved, "/yolo-system:conf/url/proto"),
             (EnumRemoved, "/yolo-system:state/url/proto"),
             (EnumStatusAdded, "/yolo-system:conf/url/proto"),

tests/test_schema.py

@@ -56,7 +56,7 @@ def test_mod_filepath(self):
 
     def test_mod_iter(self):
         children = list(iter(self.module))
-        self.assertEqual(len(children), 5)
+        self.assertEqual(len(children), 6)
 
     def test_mod_children_rpcs(self):
         rpcs = list(self.module.children(types=(SNode.RPC,)))

tests/yang/yolo/yolo-system.yang

@@ -204,4 +204,12 @@ module yolo-system {
       type uint32;
     }
   }
+
+  notification config-change {
+    list edit {
+      leaf target {
+        type string;
+      }
+    }
+  }
 }