XLoggerTest xref

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    1   /**
    2    * Copyright (c) 2004-2011 QOS.ch
    3    * All rights reserved.
    4    *
    5    * Permission is hereby granted, free  of charge, to any person obtaining
    6    * a  copy  of this  software  and  associated  documentation files  (the
    7    * "Software"), to  deal in  the Software without  restriction, including
    8    * without limitation  the rights to  use, copy, modify,  merge, publish,
    9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    10   * permit persons to whom the Software  is furnished to do so, subject to
    11   * the following conditions:
    12   *
    13   * The  above  copyright  notice  and  this permission  notice  shall  be
    14   * included in all copies or substantial portions of the Software.
    15   *
    16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23   *
    24   */
    25  package org.slf4j.dummyExt;
    26
    27  import junit.framework.TestCase;
    28
    29  import org.apache.log4j.spi.LocationInfo;
    30  import org.apache.log4j.spi.LoggingEvent;
    31  import org.slf4j.ext.XLogger;
    32  import org.slf4j.ext.XLoggerFactory;
    33
    34  public class XLoggerTest extends TestCase {
    35
    36    ListAppender listAppender;
    37    org.apache.log4j.Logger log4jRoot;
    38
    39    final static String EXPECTED_FILE_NAME = "XLoggerTest.java";
    40
    41    public XLoggerTest(String name) {
    42      super(name);
    43    }
    44
    45    public void setUp() throws Exception {
    46      super.setUp();
    47
    48      // start from a clean slate for each test
    49
    50      listAppender = new ListAppender();
    51      listAppender.extractLocationInfo = true;
    52      log4jRoot = org.apache.log4j.Logger.getRootLogger();
    53      log4jRoot.addAppender(listAppender);
    54      log4jRoot.setLevel(org.apache.log4j.Level.TRACE);
    55    }
    56
    57    public void tearDown() throws Exception {
    58      super.tearDown();
    59    }
    60
    61    void verify(LoggingEvent le, String expectedMsg) {
    62      assertEquals(expectedMsg, le.getMessage());
    63      assertEquals(EXPECTED_FILE_NAME, le.getLocationInformation().getFileName());
    64    }
    65
    66    void verifyWithException(LoggingEvent le, String expectedMsg, Throwable t) {
    67      verify(le, expectedMsg);
    68      assertEquals(t.toString(), le.getThrowableStrRep()[0]);
    69    }
    70
    71    void verifyWithLevelAndException(LoggingEvent le, XLogger.Level level, String expectedMsg, Throwable t) {
    72      verify(le, expectedMsg);
    73      assertEquals(t.toString(), le.getThrowableStrRep()[0]);
    74      assertEquals(le.getLevel().toString(), level.toString());
    75    }
    76
    77    public void testEntering() {
    78      XLogger logger = XLoggerFactory.getXLogger("UnitTest");
    79      logger.entry();
    80      logger.entry(1);
    81      logger.entry("test");
    82      logger.entry("a", "b", "c", "d");
    83      logger.entry("a", "b", "c", "d", "e");
    84      logger.entry("a", "b", "c", "d", "e", "f");
    85
    86      assertEquals(6, listAppender.list.size());
    87      verify((LoggingEvent) listAppender.list.get(0), "entry");
    88      verify((LoggingEvent) listAppender.list.get(1), "entry with (1)");
    89      verify((LoggingEvent) listAppender.list.get(2), "entry with (test)");
    90    }
    91
    92    public void testExiting() {
    93      XLogger logger = XLoggerFactory.getXLogger("UnitTest");
    94      logger.exit();
    95      logger.exit(0);
    96      logger.exit(false);
    97
    98      assertEquals(3, listAppender.list.size());
    99      verify((LoggingEvent) listAppender.list.get(0), "exit");
    100     verify((LoggingEvent) listAppender.list.get(1), "exit with (0)");
    101     verify((LoggingEvent) listAppender.list.get(2), "exit with (false)");
    102   }
    103
    104   public void testThrowing() {
    105     XLogger logger = XLoggerFactory.getXLogger("UnitTest");
    106     Throwable t = new UnsupportedOperationException("Test");
    107     logger.throwing(t);
    108     logger.throwing(XLogger.Level.DEBUG,t);
    109     assertEquals(2, listAppender.list.size());
    110     verifyWithException((LoggingEvent) listAppender.list.get(0), "throwing", t);
    111     LoggingEvent event = (LoggingEvent)listAppender.list.get(1);
    112     verifyWithLevelAndException(event, XLogger.Level.DEBUG,
    113         "throwing", t);
    114   }
    115
    116   public void testCaught() {
    117     XLogger logger = XLoggerFactory.getXLogger("UnitTest");
    118     long x = 5;
    119     Throwable t = null;
    120     try {
    121       @SuppressWarnings("unused")
    122       long y = x / 0;
    123     } catch (Exception ex) {
    124       t = ex;
    125       logger.catching(ex);
    126       logger.catching(XLogger.Level.DEBUG, ex);
    127     }
    128     verifyWithException((LoggingEvent) listAppender.list.get(0), "catching", t);
    129     verifyWithLevelAndException((LoggingEvent) listAppender.list.get(1), XLogger.Level.DEBUG,
    130         "catching", t);
    131   }
    132
    133   // See http://bugzilla.slf4j.org/show_bug.cgi?id=114
    134   public void testLocationExtraction_Bug114() {
    135     XLogger logger = XLoggerFactory.getXLogger("UnitTest");
    136     int line = 137; // next line is line number 134
    137     logger.exit();
    138     logger.debug("hello");
    139
    140     assertEquals(2, listAppender.list.size());
    141
    142     {
    143       LoggingEvent e = listAppender.list.get(0);
    144       LocationInfo li = e.getLocationInformation();
    145       assertEquals(this.getClass().getName(), li.getClassName());
    146       assertEquals(""+line, li.getLineNumber());
    147     }
    148
    149     {
    150       LoggingEvent e = listAppender.list.get(1);
    151       LocationInfo li = e.getLocationInformation();
    152       assertEquals(this.getClass().getName(), li.getClassName());
    153       assertEquals(""+(line+1), li.getLineNumber());
    154     }
    155
    156   }
    157 }