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From cdoug...@apache.org
Subject svn commit: r904690 - in /hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort: ./ TestTeraSort.java
Date Sat, 30 Jan 2010 00:12:20 GMT
Author: cdouglas
Date: Sat Jan 30 00:12:20 2010
New Revision: 904690

URL: http://svn.apache.org/viewvc?rev=904690&view=rev
Log:
MAPREDUCE-361. Incomplete checkin; missed unit test

Added:
    hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort/
    hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort/TestTeraSort.java

Added: hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort/TestTeraSort.java
URL: http://svn.apache.org/viewvc/hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort/TestTeraSort.java?rev=904690&view=auto
==============================================================================
--- hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort/TestTeraSort.java
(added)
+++ hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/examples/terasort/TestTeraSort.java
Sat Jan 30 00:12:20 2010
@@ -0,0 +1,88 @@
+/**
+ * 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.examples.terasort;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.mapred.HadoopTestCase;
+import org.apache.hadoop.util.ToolRunner;
+
+public class TestTeraSort extends HadoopTestCase {
+  
+  public TestTeraSort()
+      throws IOException {
+    super(CLUSTER_MR, DFS_FS, 1, 1);
+  }
+
+  protected void tearDown() throws Exception {
+    getFileSystem().delete(new Path(TEST_DIR), true);
+    super.tearDown();
+  }
+  
+  // Input/Output paths for sort
+  private static final String TEST_DIR = 
+    new File(System.getProperty("test.build.data", "/tmp"), "terasort")
+    .getAbsolutePath();
+  private static final Path SORT_INPUT_PATH = new Path(TEST_DIR, "sortin");
+  private static final Path SORT_OUTPUT_PATH = new Path(TEST_DIR, "sortout");
+  private static final Path TERA_OUTPUT_PATH = new Path(TEST_DIR, "validate");
+  private static final String NUM_ROWS = "100"; 
+
+  private void runTeraGen(Configuration conf, Path sortInput) 
+      throws Exception {
+    String[] genArgs = {NUM_ROWS, sortInput.toString()};
+    
+    // Run TeraGen
+    assertEquals(ToolRunner.run(conf, new TeraGen(), genArgs), 0);
+  }
+  
+  private void runTeraSort(Configuration conf,
+      Path sortInput, Path sortOutput) throws Exception {
+
+    // Setup command-line arguments to 'sort'
+    String[] sortArgs = {sortInput.toString(), sortOutput.toString()};
+    
+    // Run Sort
+    assertEquals(ToolRunner.run(conf, new TeraSort(), sortArgs), 0);
+  }
+  
+  private void runTeraValidator(Configuration job, 
+                                       Path sortOutput, Path valOutput) 
+  throws Exception {
+    String[] svArgs = {sortOutput.toString(), valOutput.toString()};
+
+    // Run Tera-Validator
+    assertEquals(ToolRunner.run(job, new TeraValidate(), svArgs), 0);
+  }
+  
+  public void testTeraSort() throws Exception {
+    // Run TeraGen to generate input for 'terasort'
+    runTeraGen(createJobConf(), SORT_INPUT_PATH);
+
+    // Run terasort
+    runTeraSort(createJobConf(), SORT_INPUT_PATH, SORT_OUTPUT_PATH);
+
+    // Run tera-validator to check if sort worked correctly
+    runTeraValidator(createJobConf(), SORT_OUTPUT_PATH,
+      TERA_OUTPUT_PATH);
+  }
+
+}



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