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      1 package test;
      2 
      3 import junit.framework.TestCase;
      4 
      5 import org.slf4j.LoggerFactory;
      6 
      7 import ch.qos.logback.classic.LoggerContext;
      8 import ch.qos.logback.classic.spi.LoggingEvent;
      9 import ch.qos.logback.core.read.ListAppender;
     10 import org.apache.log4j.Level;
     11 
     12 /**
     13  * A class that tests the invocation of the org.apache.log4j.Logger class that
     14  * belongs to the log4j-bridge package
     15  *
     16  * @author Sébastien Pennec
     17  * @author Ceki Gülcü
     18  */
     19 
     20 public class LoggerTest extends TestCase {
     21 
     22   LoggerContext context;
     23   ListAppender<LoggingEvent> appender;
     24   ch.qos.logback.classic.Logger logbackLogger;
     25   org.apache.log4j.Logger log4jLogger;
     26 
     27   public void setUp() throws Exception {
     28     context = (LoggerContext) LoggerFactory.getILoggerFactory();
     29     context.shutdownAndReset();
     30     appender = new ListAppender<LoggingEvent>();
     31     appender.setContext(context);
     32     appender.setName("listAppender");
     33     appender.start();
     34     ch.qos.logback.classic.Logger lbLogger = context
     35         .getLogger(LoggerContext.ROOT_NAME);
     36     lbLogger.addAppender(appender);
     37 
     38     log4jLogger = org.apache.log4j.Logger.getLogger(LoggerTest.class);
     39     logbackLogger = context.getLogger(LoggerTest.class);
     40     super.setUp();
     41   }
     42 
     43   public void tearDown() throws Exception {
     44     appender.stop();
     45     context.stop();
     46     appender = null;
     47     context = null;
     48     logbackLogger = null;
     49     log4jLogger = null;
     50     super.tearDown();
     51   }
     52 
     53   public void testLogWithObjectMessages() {
     54     LoggingEvent event;
     55 
     56     log4jLogger.debug("test");
     57     event = appender.list.get(0);
     58     assertEquals("test", event.getMessage());
     59     appender.list.clear();
     60 
     61     log4jLogger.debug(null);
     62     event = appender.list.get(0);
     63     assertEquals(null, event.getMessage());
     64     appender.list.clear();
     65 
     66     DummyObject dummy = new DummyObject();
     67     log4jLogger.debug(dummy);
     68     event = appender.list.get(0);
     69     assertEquals(dummy.toString(), event.getMessage());
     70     appender.list.clear();
     71   }
     72 
     73   public void testIsEnabledAPI() {
     74     assertFalse(log4jLogger.isTraceEnabled());
     75     assertTrue(log4jLogger.isDebugEnabled());
     76     assertTrue(log4jLogger.isInfoEnabled());
     77     assertTrue(log4jLogger.isWarnEnabled());
     78     assertTrue(log4jLogger.isErrorEnabled());
     79   }
     80 
     81   public void testPrintAPI() {
     82     Exception e = new Exception("just testing");
     83 
     84     log4jLogger.trace(null);
     85     assertEquals(1, appender.list.size());
     86     appender.list.clear();
     87 
     88     log4jLogger.debug(null);
     89     assertEquals(1, appender.list.size());
     90     appender.list.clear();
     91 
     92     log4jLogger.debug("debug message");
     93     assertEquals(1, appender.list.size());
     94     appender.list.clear();
     95 
     96     log4jLogger.info(null);
     97     assertEquals(1, appender.list.size());
     98     appender.list.clear();
     99 
    100     log4jLogger.info("info  message");
    101     assertEquals(1, appender.list.size());
    102     appender.list.clear();
    103 
    104     log4jLogger.warn(null);
    105     assertEquals(1, appender.list.size());
    106     appender.list.clear();
    107 
    108     log4jLogger.warn("warn message");
    109     assertEquals(1, appender.list.size());
    110     appender.list.clear();
    111 
    112     log4jLogger.error(null);
    113     assertEquals(1, appender.list.size());
    114     appender.list.clear();
    115 
    116     log4jLogger.error("error message");
    117     assertEquals(1, appender.list.size());
    118     appender.list.clear();
    119 
    120     log4jLogger.debug(null, e);
    121     assertEquals(1, appender.list.size());
    122     appender.list.clear();
    123 
    124     log4jLogger.debug("debug message", e);
    125     assertEquals(1, appender.list.size());
    126     appender.list.clear();
    127 
    128     log4jLogger.info(null, e);
    129     assertEquals(1, appender.list.size());
    130     appender.list.clear();
    131 
    132     log4jLogger.info("info  message", e);
    133     assertEquals(1, appender.list.size());
    134     appender.list.clear();
    135 
    136     log4jLogger.warn(null, e);
    137     assertEquals(1, appender.list.size());
    138     appender.list.clear();
    139 
    140     log4jLogger.warn("warn message", e);
    141     assertEquals(1, appender.list.size());
    142     appender.list.clear();
    143 
    144     log4jLogger.error(null, e);
    145     assertEquals(1, appender.list.size());
    146     appender.list.clear();
    147 
    148     log4jLogger.error("error message", e);
    149     assertEquals(1, appender.list.size());
    150     appender.list.clear();
    151 
    152   }
    153 
    154   public void testLogAPI() {
    155     log4jLogger.log("x", Level.TRACE, "x", null);
    156     assertEquals(0, appender.list.size());
    157 
    158     log4jLogger.log("x", Level.DEBUG, "x", null);
    159     log4jLogger.log("x", Level.INFO, "x", null);
    160     log4jLogger.log("x", Level.WARN, "x", null);
    161     log4jLogger.log("x", Level.ERROR, "x", null);
    162     log4jLogger.log("x", Level.FATAL, "x", null);
    163 
    164     assertEquals(5, appender.list.size());
    165     appender.list.clear();
    166 
    167   }
    168 
    169 }
    170