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MAPREDUCE-6048. Fixed TestJavaSerialization failure. Contributed by Varun Vasudev

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This commit is contained in:
Jian He 2014-11-04 20:19:54 -08:00
parent 0762b4a3fb
commit 73068f677b
2 changed files with 26 additions and 11 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -456,6 +456,9 @@ Release 2.6.0 - UNRELEASED
MAPREDUCE-6022. map_input_file is missing from streaming job environment.
(jlowe via kihwal)
MAPREDUCE-6048. Fixed TestJavaSerialization failure. (Varun Vasudev via
jianhe)
Release 2.5.2 - UNRELEASED
INCOMPATIBLE CHANGES

34
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestJavaSerialization.java
View File

@ -17,11 +17,9 @@
*/
package org.apache.hadoop.mapred;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
@ -30,6 +28,7 @@
import junit.framework.TestCase;
import org.apache.commons.io.FileUtils;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
@ -56,7 +55,10 @@ public void map(LongWritable key, Text value,
throws IOException {
StringTokenizer st = new StringTokenizer(value.toString());
while (st.hasMoreTokens()) {
output.collect(st.nextToken(), 1L);
String token = st.nextToken();
assertTrue("Invalid token; expected 'a' or 'b', got " + token,
token.equals("a") || token.equals("b"));
output.collect(token, 1L);
}
}
@ -116,18 +118,28 @@ public void testMapReduceJob() throws Exception {
FileOutputFormat.setOutputPath(conf, OUTPUT_DIR);
String inputFileContents =
FileUtils.readFileToString(new File(INPUT_FILE.toUri().getPath()));
assertTrue("Input file contents not as expected; contents are '"
+ inputFileContents + "', expected \"b a\n\" ",
inputFileContents.equals("b a\n"));
JobClient.runJob(conf);
Path[] outputFiles = FileUtil.stat2Paths(
fs.listStatus(OUTPUT_DIR,
new Utils.OutputFileUtils.OutputFilesFilter()));
Path[] outputFiles =
FileUtil.stat2Paths(fs.listStatus(OUTPUT_DIR,
new Utils.OutputFileUtils.OutputFilesFilter()));
assertEquals(1, outputFiles.length);
InputStream is = fs.open(outputFiles[0]);
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
assertEquals("a\t1", reader.readLine());
assertEquals("b\t1", reader.readLine());
assertNull(reader.readLine());
reader.close();
String reduceOutput = org.apache.commons.io.IOUtils.toString(is);
String[] lines = reduceOutput.split(System.getProperty("line.separator"));
assertEquals("Unexpected output; received output '" + reduceOutput + "'",
"a\t1", lines[0]);
assertEquals("Unexpected output; received output '" + reduceOutput + "'",
"b\t1", lines[1]);
assertEquals("Reduce output has extra lines; output is '" + reduceOutput
+ "'", 2, lines.length);
is.close();
}
/**