HADOOP-3417. Adding a testcase file that I missed in the original commit.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@663451 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/hadoop/mapred/TestCommandLineJobSubmission.java

@@ -0,0 +1,76 @@
+/* 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.mapred;
+
+import java.io.File;
+import java.io.FileOutputStream;
+
+import junit.framework.TestCase;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.*;
+import org.apache.hadoop.util.ToolRunner;
+import org.apache.hadoop.dfs.MiniDFSCluster;
+
+/**
+ * check for the job submission  options of 
+ * -libjars -files -archives
+ */
+
+public class TestCommandLineJobSubmission extends TestCase {
+  // Input output paths for this.. 
+  // these are all dummy and does not test
+  // much in map reduce except for the command line
+  // params 
+  static final Path input = new Path("/test/input/");
+  static final Path output = new Path("/test/output");
+  public void testJobShell() throws Exception {
+    MiniDFSCluster dfs = null;
+    MiniMRCluster mr = null;
+    FileSystem fs = null;
+    Path testFile = new Path(input, "testfile");
+    try {
+      Configuration conf = new Configuration();
+      //start the mini mr and dfs cluster.
+      dfs = new MiniDFSCluster(conf, 2 , true, null);
+      fs = dfs.getFileSystem();
+      FSDataOutputStream stream = fs.create(testFile);
+      stream.write("teststring".getBytes());
+      stream.close();
+      mr = new MiniMRCluster(2, fs.getUri().toString(), 1);
+      File f = new File("files_tmp");
+      FileOutputStream fstream = new FileOutputStream(f);
+      fstream.write("somestrings".getBytes());
+      fstream.close();
+      String[] args = new String[6];
+      args[0] = "-files";
+      args[1] = "files_tmp";
+      args[2] = "-libjars";
+      // the testjob.jar as a temporary jar file 
+      // rather than creating its own
+      args[3] = "build/test/testjar/testjob.jar";
+      args[4] = input.toString();
+      args[5] = output.toString();
+      int ret = ToolRunner.run(mr.createJobConf(),
+                               new testshell.ExternalMapReduce(), args);
+      assertTrue("not failed ", ret != -1);
+    } finally {
+      if (dfs != null) {dfs.shutdown();};
+      if (mr != null) {mr.shutdown();};
+    }
+  }
+}