/**
* This file is part of Graylog2.
*
* Graylog2 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.
*
* Graylog2 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 Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.inputs.codecs.gelf;
import org.graylog2.inputs.TestHelper;
import org.graylog2.inputs.codecs.gelf.GELFMessage;
import org.graylog2.inputs.codecs.gelf.GELFMessageChunk;
import org.testng.annotations.Test;
import static org.testng.AssertJUnit.*;
/**
* @author lennart.koopmann
*/
public class GELFMessageTest {
public final static String GELF_JSON = "{\"message\":\"foo\",\"host\":\"bar\",\"_lol_utf8\":\"\u00FC\"}";
@Test
public void testGetGELFTypeDetectsZLIBCompressedMessage() throws Exception {
byte[] fakeData = new byte[20];
fakeData[0] = (byte) 0x78;
fakeData[1] = (byte) 0x9c;
GELFMessage msg = new GELFMessage(fakeData);
assertEquals(GELFMessage.Type.ZLIB, msg.getGELFType());
}
@Test
public void testGetGELFTypeDetectsGZIPCompressedMessage() throws Exception {
byte[] fakeData = new byte[20];
fakeData[0] = (byte) 0x1f;
fakeData[1] = (byte) 0x8b;
GELFMessage msg = new GELFMessage(fakeData);
assertEquals(GELFMessage.Type.GZIP, msg.getGELFType());
}
@Test
public void testGetGELFTypeDetectsChunkedMessage() throws Exception {
byte[] fakeData = new byte[20];
fakeData[0] = (byte) 0x1e;
fakeData[1] = (byte) 0x0f;
GELFMessage msg = new GELFMessage(fakeData);
assertEquals(GELFMessage.Type.CHUNKED, msg.getGELFType());
}
@Test
public void testGetGELFTypeDetectsUncompressedMessage() throws Exception {
byte[] fakeData = new byte[20];
fakeData[0] = (byte) '{';
fakeData[1] = (byte) '\n';
GELFMessage msg = new GELFMessage(fakeData);
assertEquals(GELFMessage.Type.UNCOMPRESSED, msg.getGELFType());
}
@Test
public void testGetJSONFromZLIBCompressedMessage() throws Exception {
GELFMessage msg = new GELFMessage(TestHelper.zlibCompress(GELF_JSON));
assertEquals(GELF_JSON, msg.getJSON());
}
@Test
public void testGetJSONFromGZIPCompressedMessage() throws Exception {
GELFMessage msg = new GELFMessage(TestHelper.gzipCompress(GELF_JSON));
assertEquals(GELF_JSON, msg.getJSON());
}
@Test
public void testGetJSONFromUncompressedMessage() throws Exception {
byte[] text = GELF_JSON.getBytes("UTF-8");
GELFMessage msg = new GELFMessage(text);
assertEquals(GELF_JSON, msg.getJSON());
}
@Test
public void testGelfMessageChunkCreation() throws Exception {
String id = "foobar01";
int seqNum = 1;
int seqCnt = 5;
byte[] data = TestHelper.gzipCompress(GELF_JSON);
GELFMessage msg = new GELFMessage(TestHelper.buildGELFMessageChunk(id, seqNum, seqCnt, data));
GELFMessageChunk chunk = new GELFMessageChunk(msg, null);
assertEquals(TestHelper.toHex(id), chunk.getId());
assertEquals(seqNum, chunk.getSequenceNumber());
assertEquals(seqCnt, chunk.getSequenceCount());
assertArrayEquals(data, chunk.getData());
}
}