diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/MockContainerLocalizer.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/MockContainerLocalizer.java
new file mode 100644
index 0000000000..0ff8bf6553
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/MockContainerLocalizer.java
@@ -0,0 +1,41 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you 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.apache.hadoop.yarn.server.nodemanager;
+
+import java.net.InetSocketAddress;
+import java.util.List;
+
+public class MockContainerLocalizer {
+  public static void buildMainArgs(List<String> command,
+      String user, String appId, String locId,
+      InetSocketAddress nmAddr, List<String> localDirs) {
+    command.add(MockContainerLocalizer.class.getName());
+    command.add(user);
+    command.add(appId);
+    command.add(locId);
+    command.add(nmAddr.getHostName());
+    command.add(Integer.toString(nmAddr.getPort()));
+    for(String dir : localDirs) {
+      command.add(dir);
+    }
+  }
+  
+  public static void main(String[] argv) throws Throwable {
+    //DO Nothing
+  }
+}