/*
* 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 gobblin.util;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import com.google.common.io.Closer;
@Test(groups = { "gobblin.util" })
public class HeapDumpForTaskUtilsTest {
private FileSystem fs;
private static final String TEST_DIR = "dumpScript";
private static final String SCRIPT_NAME = "dump.sh";
@BeforeClass
public void setUp() throws IOException {
this.fs = FileSystem.getLocal(new Configuration());
this.fs.mkdirs(new Path(TEST_DIR));
}
@Test
public void testGenerateDumpScript() throws IOException {
Path dumpScript = new Path(TEST_DIR, SCRIPT_NAME);
HeapDumpForTaskUtils.generateDumpScript(dumpScript, this.fs, "test.hprof", "chmod 777 ");
Assert.assertEquals(true, this.fs.exists(dumpScript));
Assert.assertEquals(true, this.fs.exists(new Path(dumpScript.getParent(), "dumps")));
Closer closer = Closer.create();
try {
BufferedReader scriptReader =
closer.register(new BufferedReader(new InputStreamReader(this.fs.open(dumpScript))));
Assert.assertEquals("#!/bin/sh", scriptReader.readLine());
Assert.assertEquals("if [ -n \"$HADOOP_PREFIX\" ]; then", scriptReader.readLine());
Assert.assertEquals(" ${HADOOP_PREFIX}/bin/hadoop dfs -put test.hprof dumpScript/dumps/${PWD//\\//_}.hprof",
scriptReader.readLine());
Assert.assertEquals("else", scriptReader.readLine());
Assert.assertEquals(" ${HADOOP_HOME}/bin/hadoop dfs -put test.hprof dumpScript/dumps/${PWD//\\//_}.hprof",
scriptReader.readLine());
Assert.assertEquals("fi", scriptReader.readLine());
} catch (Throwable t) {
closer.rethrow(t);
} finally {
closer.close();
}
}
@AfterClass
public void tearDown() throws IOException {
fs.delete(new Path(TEST_DIR), true);
fs.close();
}
}