JStackMetadataStackTest.java

/*
       This file is part of mjprof.

        mjprof is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 3 of the License, or
        (at your option) any later version.

        mjprof is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with mjprof.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.performizeit.mjprof.parser;

import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

public class JStackMetadataStackTest {
    String metaLine =        "\"qtp188618231-14\" prio=10 tid=0x0007fd8d8d5b000 nid=0xd17 waiting for monitor entry [0x00007fd8ae207000]\n";
    String metaLineWithMixedOrder =        "\"qtp188618231-14\"   nid=0xd17 tid=0x0007fd8d8d5b000  prio=10 waiting for monitor entry [0x00007fd8ae207000]\n";
    String metaLineMissingFields =        "\"qtp188618231-14\"   nid=0xd17  waiting for monitor entry [0x00007fd8ae207000]\n";
    String stck =
            "   java.lang.Thread.State: BLOCKED (on object monitor)\n" +
            "       at org.apache.hadoop.hdfs.DFSUtil.<clinit>(DFSUtil.java:128)\n" +
            "       at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:437)\n" +
            "       at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:410)\n" +
            "       at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:127)\n" +
            "       at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2273)\n" +
            "       at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:86)\n" +
            "       at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2307)\n" +
            "       at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2289)\n" +
            "       at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:316)\n" +
            "       at com.akkka.aaa.bbbb.rest.FileSystemFactory.provide(FileSystemFactory.java:32)\n" +
            "       at com.akkka.aaa.bbb.rest.FileSystemFactory.provide(FlsFactory.java:44)\n";
    @Test
    public void testMetadataLineProperties() throws Exception {
        ThreadInfo s = new ThreadInfo(metaLine+stck);

        assertEquals("10", s.metadataProperty(metaLine, "prio"));
        assertEquals("0xd17",s.metadataProperty(metaLine,"nid"));
        assertEquals("0x0007fd8d8d5b000",s.metadataProperty(metaLine,"tid"));

    }

    @Test
    public void testMetadata() throws Exception {
        ThreadInfo s = new ThreadInfo(metaLine+stck);

        assertEquals("10",s.getVal("prio"));
        assertEquals(0x0007fd8d8d5b000l,((HexaLong)s.getVal("tidLong")).getValue());
        assertEquals(0xd17,((HexaLong)s.getVal("nidLong")).getValue());
        assertEquals("qtp188618231-14",s.getVal("name"));
        assertEquals("waiting for monitor entry [0x00007fd8ae207000]",s.getVal("status"));

    }

    @Test
    public void testMetadataMixed() throws Exception {
        ThreadInfo s = new ThreadInfo(metaLineWithMixedOrder+stck);

        assertEquals("10",s.getVal("prio"));
        assertEquals(0x0007fd8d8d5b000l,((HexaLong)s.getVal("tidLong")).getValue());
        assertEquals(0xd17,((HexaLong)s.getVal("nidLong")).getValue());
        assertEquals("qtp188618231-14",s.getVal("name"));
        assertEquals("waiting for monitor entry [0x00007fd8ae207000]",s.getVal("status"));

    }
    @Test
    public void testMissingFields() throws Exception {
        ThreadInfo s = new ThreadInfo(metaLineMissingFields+stck);

        assertNull(s.getVal("prio"));
        assertNull(s.getVal("tidLong"));
        assertEquals(0xd17,((HexaLong)s.getVal("nidLong")).getValue());
        assertEquals("qtp188618231-14",s.getVal("name"));
        assertEquals("waiting for monitor entry [0x00007fd8ae207000]",s.getVal("status"));

    }
}