/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program 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 version 2 of the License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.communications.command.client;
import java.io.File;
import org.testng.annotations.Test;
/**
* Tests the persistent fifo.
*
* @author John Mazzitelli
*/
@Test(groups = "comm.client")
public class PersistentFifoTest {
/**
* Tests putting and taking from fifo.
*/
public void testFifoCompressed() {
doFifoTests(true);
}
/**
* Tests putting and taking from fifo.
*/
public void testFifo() {
doFifoTests(false);
}
/**
* Tests putting and taking from fifo with either compressed or uncompressed data.
*
* @param compress wheter or not to test with compression on or off
*/
private void doFifoTests(boolean compress) {
print("Test with compression " + (compress ? "on" : "off"));
String tmpDir = System.getProperty("java.io.tmpdir");
File fifoFile = new File(tmpDir, "TEST.data");
try {
PersistentFifo fifo = new PersistentFifo(fifoFile, 1000L, 0, compress);
// start fresh
if (fifo.count() > 0) {
fifo.initializeEmptyFile();
}
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "SHOULD BE EMPTY - count should be 0";
fifo.put("Mazz Was Here 1".getBytes());
assert !fifo.isEmpty() : "SHOULD NOT BE EMPTY";
assert fifo.count() == 1 : "count should be 1";
print(new String(fifo.take()));
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "count should be 0";
fifo.put("Mazz Was Here 2!".getBytes());
fifo.put("Mazz Was Here 3!!".getBytes());
fifo.put("Mazz Was Here 4!!!".getBytes());
assert fifo.count() == 3 : "count should be 3";
print(new String(fifo.take()));
print(new String(fifo.take()));
print(new String(fifo.take()));
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "count should be 0";
fifo.put("Mazz Was Here 5 to be deleted".getBytes());
fifo.put("Mazz Was Here 6 to be deleted!".getBytes());
fifo.put("Mazz Was Here 7 to be deleted!!".getBytes());
fifo.initializeEmptyFile();
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "count should be 0";
fifo.put("Mazz Was Here 8!".getBytes());
fifo.put("Mazz Was Here 9!!".getBytes());
fifo.put("Mazz Was Here 10!!!".getBytes());
print(new String(fifo.take()));
print(new String(fifo.take()));
fifo.put("Mazz Was Here 11!!!!".getBytes());
print(new String(fifo.take()));
print(new String(fifo.take()));
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "count should be 0";
for (int i = 0; i < 50; i++) {
fifo.put(("Mazz was here " + i).getBytes());
}
byte[] data;
while ((data = fifo.take()) != null) {
print(new String(data));
}
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "count should be 0";
// test with a 1MB file
fifo = new PersistentFifo(fifoFile, 1000000L, 75, compress);
for (int i = 0; i < 50000; i++) {
if ((i % 1000) == 0) {
print("-->" + i);
}
fifo.put(("0123456789012345678901234567890123456789x-" + i).getBytes());
}
int num = 0;
byte[] last_good = null;
while ((data = fifo.take()) != null) {
last_good = data;
if ((num++ % 1000) == 0) {
print("Took: " + new String(data));
}
}
assert fifo.take() == null : "SHOULD NOT BE ABLE TO TAKE";
assert fifo.isEmpty() : "SHOULD BE EMPTY";
assert fifo.count() == 0 : "count should be 0";
print("Last = " + new String(last_good));
// test putting/taking *object* in a 100KB file
fifo = new PersistentFifo(fifoFile, 100000L, 75, compress);
for (int i = 0; i < 5000; i++) {
if ((i % 1000) == 0) {
print("-->" + i);
}
fifo.putObject("0123456789012345678901234567890123456789x-" + i);
}
num = 0;
String last_good_string = null;
String data_string;
while ((data_string = (String) fifo.takeObject()) != null) {
last_good_string = data_string;
if ((num++ % 1000) == 0) {
print("Took: " + data_string);
}
}
print("Last = " + last_good_string);
// test putting primitive array in queue
fifo.putObject(new float[] { 0.0f, 1.1f, 2.2f, 3.3f, 4.4f, 5.5f });
float[] floats = (float[]) fifo.takeObject();
if ((Float.floatToIntBits(floats[0]) != Float.floatToIntBits(0.0f))
|| (Float.floatToIntBits(floats[1]) != Float.floatToIntBits(1.1f))
|| (Float.floatToIntBits(floats[2]) != Float.floatToIntBits(2.2f))
|| (Float.floatToIntBits(floats[3]) != Float.floatToIntBits(3.3f))
|| (Float.floatToIntBits(floats[4]) != Float.floatToIntBits(4.4f))
|| (Float.floatToIntBits(floats[5]) != Float.floatToIntBits(5.5f))) {
throw new RuntimeException("Failed to properly put/take object");
}
} catch (Throwable t) {
t.printStackTrace();
} finally {
fifoFile.delete();
}
}
/**
* In case something goes wrong in this test, we can manually enable it to dump things to stdout here.
*
* @param obj object whose toString will be dumped to stdout
*/
private void print(Object obj) {
boolean enable_print = Boolean.getBoolean("PersistentFifoTest.print");
if (enable_print) {
System.out.println(obj);
}
}
}