diff --git a/plugin/src/test/resources/identityRef/identityRef.yang b/plugin/src/test/resources/identityRef/identityRef.yang
new file mode 100644
index 0000000..a7389e7
--- /dev/null
+++ b/plugin/src/test/resources/identityRef/identityRef.yang
@@ -0,0 +1,19 @@
+module IdentityTest{
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix IdentityTest;
+
+    identity ref-address-family {
+        description "ref-address-family";
+    }
+
+    identity ipv4-address-family {
+        base ref-address-family;
+    }
+
+    leaf tunnel {
+        type identityref {
+            base ref-address-family;
+        }
+    }
+}
\ No newline at end of file