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Posted to common-commits@hadoop.apache.org by dd...@apache.org on 2008/03/25 12:00:28 UTC
svn commit: r640766 - in /hadoop/core/trunk: CHANGES.txt
src/contrib/streaming/src/test/org/apache/hadoop/streaming/TestStreamingKeyValue.java
Author: ddas
Date: Tue Mar 25 04:00:07 2008
New Revision: 640766
URL: http://svn.apache.org/viewvc?rev=640766&view=rev
Log:
HADOOP-3086. Adds the testcase missed during commit of hadoop-3040. Contributed by Amareshwari Sriramadasu.
Added:
hadoop/core/trunk/src/contrib/streaming/src/test/org/apache/hadoop/streaming/TestStreamingKeyValue.java
Modified:
hadoop/core/trunk/CHANGES.txt
Modified: hadoop/core/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/CHANGES.txt?rev=640766&r1=640765&r2=640766&view=diff
==============================================================================
--- hadoop/core/trunk/CHANGES.txt (original)
+++ hadoop/core/trunk/CHANGES.txt Tue Mar 25 04:00:07 2008
@@ -352,6 +352,9 @@
HADOOP-3080. Removes flush calls from JobHistory.
(Amareshwari Sriramadasu via ddas)
+ HADOOP-3086. Adds the testcase missed during commit of hadoop-3040.
+ (Amareshwari Sriramadasu via ddas)
+
Release 0.16.2 - Unreleased
BUG FIXES
Added: hadoop/core/trunk/src/contrib/streaming/src/test/org/apache/hadoop/streaming/TestStreamingKeyValue.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/contrib/streaming/src/test/org/apache/hadoop/streaming/TestStreamingKeyValue.java?rev=640766&view=auto
==============================================================================
--- hadoop/core/trunk/src/contrib/streaming/src/test/org/apache/hadoop/streaming/TestStreamingKeyValue.java (added)
+++ hadoop/core/trunk/src/contrib/streaming/src/test/org/apache/hadoop/streaming/TestStreamingKeyValue.java Tue Mar 25 04:00:07 2008
@@ -0,0 +1,116 @@
+/**
+ * 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.streaming;
+
+import junit.framework.TestCase;
+import java.io.*;
+
+/**
+ * This class tests hadoopStreaming in MapReduce local mode.
+ * This testcase looks at different cases of tab position in input.
+ */
+public class TestStreamingKeyValue extends TestCase
+{
+ protected File INPUT_FILE = new File("input.txt");
+ protected File OUTPUT_DIR = new File("stream_out");
+ // First line of input has 'key' 'tab' 'value'
+ // Second line of input starts with a tab character.
+ // So, it has empty key and the whole line as value.
+ // Third line of input does not have any tab character.
+ // So, the whole line is the key and value is empty.
+ protected String input =
+ "roses are \tred\t\n\tviolets are blue\nbunnies are pink\n";
+ protected String outputExpect =
+ "\tviolets are blue\nbunnies are pink\t\nroses are \tred\t\n";
+
+ private StreamJob job;
+
+ public TestStreamingKeyValue() throws IOException
+ {
+ UtilTest utilTest = new UtilTest(getClass().getName());
+ utilTest.checkUserDir();
+ utilTest.redirectIfAntJunit();
+ }
+
+ protected void createInput() throws IOException
+ {
+ DataOutputStream out = new DataOutputStream(
+ new FileOutputStream(INPUT_FILE.getAbsoluteFile()));
+ out.write(input.getBytes("UTF-8"));
+ out.close();
+ }
+
+ protected String[] genArgs() {
+ return new String[] {
+ "-input", INPUT_FILE.getAbsolutePath(),
+ "-output", OUTPUT_DIR.getAbsolutePath(),
+ "-mapper", "cat",
+ "-jobconf", "keep.failed.task.files=true",
+ "-jobconf", "stream.non.zero.exit.is.failure=true",
+ "-jobconf", "stream.tmpdir="+System.getProperty("test.build.data","/tmp")
+ };
+ }
+
+ public void testCommandLine()
+ {
+ String outFileName = "part-00000";
+ File outFile = null;
+ try {
+ try {
+ OUTPUT_DIR.getAbsoluteFile().delete();
+ } catch (Exception e) {
+ }
+
+ createInput();
+ boolean mayExit = false;
+
+ // During tests, the default Configuration will use a local mapred
+ // So don't specify -config or -cluster
+ job = new StreamJob(genArgs(), mayExit);
+ job.go();
+ outFile = new File(OUTPUT_DIR, outFileName).getAbsoluteFile();
+ String output = StreamUtil.slurp(outFile);
+ System.err.println("outEx1=" + outputExpect);
+ System.err.println(" out1=" + output);
+ assertEquals(outputExpect, output);
+ } catch(Exception e) {
+ failTrace(e);
+ } finally {
+ outFile.delete();
+ File outFileCRC = new File(OUTPUT_DIR,
+ "." + outFileName + ".crc").getAbsoluteFile();
+ INPUT_FILE.delete();
+ outFileCRC.delete();
+ OUTPUT_DIR.getAbsoluteFile().delete();
+ }
+ }
+
+ private void failTrace(Exception e)
+ {
+ StringWriter sw = new StringWriter();
+ e.printStackTrace(new PrintWriter(sw));
+ fail(sw.toString());
+ }
+
+ public static void main(String[]args) throws Exception
+ {
+ new TestStreamingKeyValue().testCommandLine();
+ }
+
+}