slf4j-jdk14/src/test/java/org/slf4j/jul/JDK14AdapterLoggerNameTest.java

/**
 * Copyright (c) 2004-2011 QOS.ch
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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package org.slf4j.jul;

import static org.junit.Assert.assertNotNull;

import java.util.Random;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class JDK14AdapterLoggerNameTest {
    private MockHandler mockHandler;
    static Random random = new Random(System.currentTimeMillis());
    long diff = random.nextInt(10000);
    String loggerName = "JDK14AdapterLoggerNameTest" + diff;

    Logger logger = Logger.getLogger(loggerName);

    @Before
    public void setUp() throws Exception {
        Logger logger = Logger.getLogger(loggerName);
        addMockHandler(logger);
    }

    @After
    public void tearDown() throws Exception {
        removeHandlers(Logger.getLogger(loggerName));
    }

    @Test
    public void testLoggerNameUsingJdkLogging() throws Exception {
        logger.info("test message");
        assertCorrectLoggerName();
    }

    @Test
    public void testLoggerNameUsingSlf4j() throws Exception {
        JDK14LoggerFactory factory = new JDK14LoggerFactory();
        org.slf4j.Logger logger = factory.getLogger(loggerName);
        logger.info("test message");
        assertCorrectLoggerName();
    }

    private void addMockHandler(Logger logger) {
        mockHandler = new MockHandler();
        removeHandlers(logger);
        logger.addHandler(mockHandler);
    }

    private void removeHandlers(Logger logger) {
        logger.setUseParentHandlers(false);
        Handler[] handlers = logger.getHandlers();
        for (Handler handler : handlers) {
            logger.removeHandler(handler);
        }
    }

    private void assertCorrectLoggerName() {
        assertNotNull("no log record", mockHandler.record);
        assertNotNull("missing logger name", mockHandler.record.getLoggerName());
    }

    private static class MockHandler extends java.util.logging.Handler {
        public LogRecord record;

        public void close() throws SecurityException {
        }

        public void flush() {
        }

        public void publish(LogRecord record) {
            this.record = record;
        }

    }
}