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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.logserver.handlers.replicator;
import com.yahoo.io.Listener;
import com.yahoo.log.InvalidLogFormatException;
import com.yahoo.log.LogLevel;
import com.yahoo.log.LogMessage;
import com.yahoo.logserver.Server;
import com.yahoo.logserver.filter.LogFilter;
import com.yahoo.logserver.filter.LogFilterManager;
import com.yahoo.logserver.formatter.LogFormatterManager;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class ReplicatorTestCase {
Server server;
Thread serverThread;
Replicator replicator;
private SocketChannel socket;
private Listener listener;
private ReplicatorConnection conn;
@Before
public void setUp() throws InterruptedException, IOException {
server = Server.getInstance();
server.initialize(18321);
serverThread = new Thread(server);
serverThread.start();
long start = System.currentTimeMillis();
long timeout = 60000;
while (System.currentTimeMillis() < (start + timeout)) {
try {
socket = SocketChannel.open(new InetSocketAddress("localhost", 18321));
break;
} catch (Exception e) {
Thread.sleep(100);
}
}
listener = new Listener("test");
replicator = new Replicator(18323);
conn = (ReplicatorConnection) replicator.newConnection(socket, listener);
}
@After
public void tearDown() throws InterruptedException {
if (serverThread != null) {
serverThread.interrupt();
serverThread.join();
}
if (replicator != null) replicator.close();
}
@Test
public void testReplicator() throws IOException, InvalidLogFormatException {
LogMessage msg = LogMessage.
parseNativeFormat("1343996283.239582\texample.yahoo.com\t27301/7637\tconfig-sentinel\trunserver\tevent\tfoo");
assertFalse(conn.isLoggable(msg)); // Default all muted
conn.onUse("system.all");
assertTrue(conn.isLoggable(msg));
assertTrue(conn.getTotalBytesWritten() > 50); // Should be in this ballpark
conn.onCommand("use system.mute");
assertFalse(conn.isLoggable(msg));
assertEquals("system.mute", conn.getLogFilterName());
replicator.doHandle(msg);
conn.read();
assertEquals(2, conn.getNumHandled());
conn.onFormatter("system.textformatter");
assertEquals(conn.formatter, LogFormatterManager.getLogFormatter("system.textformatter"));
conn.onCommand("formatter system.nullformatter");
assertEquals(conn.formatter, LogFormatterManager.getLogFormatter("system.nullformatter"));
assertEquals(4, conn.getNumHandled());
conn.onList();
assertEquals(11, conn.getNumHandled()); // 6 filters + start/stop msg
conn.onCommand("list");
assertEquals(18, conn.getNumHandled()); // 6 filters + start/stop msg
conn.onListFormatters();
assertEquals(22, conn.getNumHandled()); // 4 formatters
conn.onCommand("listformatters");
assertEquals(26, conn.getNumHandled()); // 4 formatters
conn.onStats();
assertEquals(27, conn.getNumHandled()); // 1 line
conn.onCommand("stats");
assertEquals(28, conn.getNumHandled()); // 1 line
conn.enqueue(ByteBuffer.wrap("baz".getBytes()));
assertEquals(29, conn.getNumHandled()); // 1 line
conn.onCommand("ping");
assertEquals(30, conn.getNumHandled()); // 1 line
conn.onCommand("quit");
assertEquals(31, conn.getNumHandled()); // 1 line
assertEquals(0, conn.getNumDropped());
assertEquals(0, conn.getNumQueued());
LogFilterManager.addLogFilter("test.onlyerror", new LogFilter() {
@Override
public boolean isLoggable(LogMessage msg) {
return msg.getLevel().equals(LogLevel.ERROR);
}
@Override
public String description() {
return "Only error";
}
});
conn.onUse("test.onlyerror");
assertFalse(conn.isLoggable(LogMessage.
parseNativeFormat("1343996283.239582\texample.yahoo.com\t27301/7637\tconfig-sentinel\trunserver\tdebug\tfoo")));
assertTrue(conn.isLoggable(LogMessage.
parseNativeFormat("1343996283.239582\texample.yahoo.com\t27301/7637\tconfig-sentinel\trunserver\terror\tbar")));
assertEquals(conn.selectOps(), 1);
assertEquals(conn.description(), "Only error");
conn.setFilter(null);
assertTrue(conn.isLoggable(LogMessage.
parseNativeFormat("1343996283.239582\texample.yahoo.com\t27301/7637\tconfig-sentinel\trunserver\terror\tbar")));
assertEquals(conn.description(), "No filter defined");
assertEquals(conn.getRemoteHost(), "localhost");
conn.onFormatter("nonexistant");
assertEquals(conn.formatter, LogFormatterManager.getLogFormatter("system.nullformatter")); // unchanged
conn.onUse("nonexistant");
assertTrue(conn.isLoggable(LogMessage.
parseNativeFormat("1343996283.239582\texample.yahoo.com\t27301/7637\tconfig-sentinel\trunserver\terror\tbar")));
conn.close();
}
}
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