diff --git a/apps/yms/app/src/test/java/org/onosproject/yms/app/ymsm/MockYangCompositeEncoding.java b/apps/yms/app/src/test/java/org/onosproject/yms/app/ymsm/MockYangCompositeEncoding.java
new file mode 100644
index 0000000..1f52da6
--- /dev/null
+++ b/apps/yms/app/src/test/java/org/onosproject/yms/app/ymsm/MockYangCompositeEncoding.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yms.app.ymsm;
+
+import org.onosproject.yms.ych.YangCompositeEncoding;
+import org.onosproject.yms.ych.YangResourceIdentifierType;
+
+/**
+ * Represents implementation of YangCompositeEncoding interfaces.
+ */
+public class MockYangCompositeEncoding implements YangCompositeEncoding {
+    /**
+     * Resource identifier for composite encoding.
+     */
+    private String resourceIdentifier;
+
+    /**
+     * Resource information for composite encoding.
+     */
+    private String resourceInformation;
+
+    /**
+     * Resource identifier type.
+     */
+    private YangResourceIdentifierType resourceIdentifierType;
+
+    /**
+     * Sets resource identifier.
+     *
+     * @param resIdentifier resource identifier
+     */
+    public void setResourceIdentifier(String resIdentifier) {
+        resourceIdentifier = resIdentifier;
+    }
+
+    /**
+     * Sets the resource information.
+     *
+     * @param resInformation resource information
+     */
+    public void setResourceInformation(String resInformation) {
+        resourceInformation = resInformation;
+    }
+
+    /**
+     * Sets the resource identifier type.
+     *
+     * @param resIdent resource identifier
+     */
+    public void setResourceIdentifierType(YangResourceIdentifierType resIdent) {
+        resourceIdentifierType = resIdent;
+    }
+
+    @Override
+    public String getResourceIdentifier() {
+        return resourceIdentifier;
+    }
+
+    @Override
+    public YangResourceIdentifierType getResourceIdentifierType() {
+        return resourceIdentifierType;
+    }
+
+    @Override
+    public String getResourceInformation() {
+        return resourceInformation;
+    }
+}