/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.net;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.LoggerFactory;
import org.slf4j.Marker;
import org.slf4j.MarkerFactory;
import ch.qos.logback.classic.ClassicTestConstants;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.classic.net.mock.MockSyslogServer;
import ch.qos.logback.core.CoreConstants;
import ch.qos.logback.core.joran.spi.JoranException;
import ch.qos.logback.core.net.SyslogConstants;
import ch.qos.logback.core.recovery.RecoveryCoordinator;
import ch.qos.logback.core.testUtil.RandomUtil;
import ch.qos.logback.core.util.StatusPrinter;
public class SyslogAppenderTest {
LoggerContext lc = new LoggerContext();
SyslogAppenderFriend sa;// = new SyslogAppenderFriend();
MockSyslogServer mockServer;
String loggerName = this.getClass().getName();
Logger logger = lc.getLogger(loggerName);
@Before
public void setUp() throws Exception {
lc.setName("test");
sa = new SyslogAppenderFriend();
sa.setContext(lc);
}
@After
public void tearDown() throws Exception {
}
public void setMockServerAndConfigure(int expectedCount) throws InterruptedException {
setMockServerAndConfigure(expectedCount, true);
}
public void setMockServerAndConfigure(int expectedCount, boolean start)
throws InterruptedException {
int port = RandomUtil.getRandomServerPort();
mockServer = new MockSyslogServer(expectedCount, port);
mockServer.start();
// give MockSyslogServer head start
Thread.sleep(100);
sa.setSyslogHost("localhost");
sa.setFacility("MAIL");
sa.setPort(port);
sa.setSuffixPattern("[%thread] %logger %msg");
sa.setStackTracePattern("[%thread] foo "+CoreConstants.TAB);
if (start) {
sa.start();
assertTrue(sa.isStarted());
}
String loggerName = this.getClass().getName();
Logger logger = lc.getLogger(loggerName);
logger.addAppender(sa);
}
@Test
public void basic() throws InterruptedException {
setMockServerAndConfigure(1);
String logMsg = "hello";
logger.debug(logMsg);
// wait max 8 seconds for mock server to finish. However, it should
// much sooner than that.
mockServer.join(8000);
assertTrue(mockServer.isFinished());
assertEquals(1, mockServer.getMessageList().size());
String msg = mockServer.getMessageList().get(0);
String threadName = Thread.currentThread().getName();
String expected = "<"
+ (SyslogConstants.LOG_MAIL + SyslogConstants.DEBUG_SEVERITY) + ">";
assertTrue(msg.startsWith(expected));
String first = "<\\d{2}>\\w{3} \\d{2} \\d{2}(:\\d{2}){2} [\\w.-]* ";
checkRegexMatch(msg, first + "\\[" + threadName + "\\] " + loggerName + " "
+ logMsg);
}
@Test
public void tException() throws InterruptedException {
setMockServerAndConfigure(21);
String logMsg = "hello";
String exMsg = "just testing";
Exception ex = new Exception(exMsg);
logger.debug(logMsg, ex);
StatusPrinter.print(lc);
// wait max 2 seconds for mock server to finish. However, it should
// much sooner than that.
mockServer.join(8000);
assertTrue(mockServer.isFinished());
// message + 20 lines of stacktrace
assertEquals(21, mockServer.getMessageList().size());
// int i = 0;
// for (String line: mockServer.msgList) {
// System.out.println(i++ + ": " + line);
// }
String msg = mockServer.getMessageList().get(0);
String expected = "<"
+ (SyslogConstants.LOG_MAIL + SyslogConstants.DEBUG_SEVERITY) + ">";
assertTrue(msg.startsWith(expected));
String expectedPrefix = "<\\d{2}>\\w{3} \\d{2} \\d{2}(:\\d{2}){2} [\\w.-]* ";
String threadName = Thread.currentThread().getName();
String regex = expectedPrefix + "\\[" + threadName + "\\] " + loggerName
+ " " + logMsg;
checkRegexMatch(msg, regex);
msg = mockServer.getMessageList().get(1);
assertTrue(msg.contains(ex.getClass().getName()));
assertTrue(msg.contains(ex.getMessage()));
msg = mockServer.getMessageList().get(2);
assertTrue(msg.startsWith(expected));
regex = expectedPrefix + "\\[" + threadName + "\\] " + "foo "+CoreConstants.TAB + "at ch\\.qos.*";
checkRegexMatch(msg, regex);
}
private void checkRegexMatch(String s, String regex) {
assertTrue("The string [" + s + "] did not match regex [" + regex + "]", s
.matches(regex));
}
@Test
public void large() throws Exception {
setMockServerAndConfigure(2);
StringBuilder largeBuf = new StringBuilder();
for (int i = 0; i < 2 * 1024 * 1024; i++) {
largeBuf.append('a');
}
logger.debug(largeBuf.toString());
String logMsg = "hello";
logger.debug(logMsg);
Thread.sleep(RecoveryCoordinator.BACKOFF_COEFFICIENT_MIN+10);
logger.debug(logMsg);
mockServer.join(8000);
assertTrue(mockServer.isFinished());
// both messages received
assertEquals(2, mockServer.getMessageList().size());
String expected = "<"
+ (SyslogConstants.LOG_MAIL + SyslogConstants.DEBUG_SEVERITY) + ">";
String expectedPrefix = "<\\d{2}>\\w{3} \\d{2} \\d{2}(:\\d{2}){2} [\\w.-]* ";
String threadName = Thread.currentThread().getName();
// large message is truncated
final int maxMessageSize = sa.getMaxMessageSize();
String largeMsg = mockServer.getMessageList().get(0);
assertTrue(largeMsg.startsWith(expected));
String largeRegex = expectedPrefix + "\\[" + threadName + "\\] " + loggerName
+ " " + "a{" + (maxMessageSize - 2000) + "," + maxMessageSize + "}";
checkRegexMatch(largeMsg, largeRegex);
String msg = mockServer.getMessageList().get(1);
assertTrue(msg.startsWith(expected));
String regex = expectedPrefix + "\\[" + threadName + "\\] " + loggerName
+ " " + logMsg;
checkRegexMatch(msg, regex);
}
@Test
public void LBCLASSIC_50() throws JoranException {
LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(lc);
lc.reset();
configurator.doConfigure(ClassicTestConstants.JORAN_INPUT_PREFIX
+ "syslog_LBCLASSIC_50.xml");
org.slf4j.Logger logger = LoggerFactory.getLogger(this.getClass());
logger.info("hello");
}
@Test
public void unlazyAppenderIsConnectedAtStart() throws InterruptedException {
setMockServerAndConfigure(1, false);
sa.setLazy(false);
assertFalse(sa.isInitialized());
sa.start();
assertTrue(sa.isInitialized());
}
@Test
public void lazyAppenderIsNotConnectedAtStart() throws InterruptedException {
setMockServerAndConfigure(1, false);
sa.setLazy(true);
assertFalse(sa.isInitialized());
sa.start();
assertFalse(sa.isInitialized());
}
@Test
public void lazyAppenderIsConnectedOnAppend() throws InterruptedException {
setMockServerAndConfigure(1, false);
sa.setLazy(true);
assertFalse(sa.isInitialized());
sa.start();
assertFalse(sa.isInitialized());
logger.debug("hello world");
mockServer.join(8000);
assertTrue(sa.isInitialized());
}
@Test
public void lazyAppenderMessageIsDelivered() throws InterruptedException {
setMockServerAndConfigure(1, false);
sa.setLazy(true);
sa.start();
Marker marker = MarkerFactory.getMarker("testMarker");
assertFalse(sa.isInitialized());
assertTrue(mockServer.getMessageList().isEmpty());
logger.debug(marker, "test msg");
assertTrue(sa.isInitialized());
mockServer.join(8000);
assertTrue(mockServer.isFinished());
assertEquals(1, mockServer.getMessageList().size());
}
class SyslogAppenderFriend extends SyslogAppender {
public boolean isInitialized() {
return this.sos != null;
}
}
}