SLF4JBridgeHandlerTest 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.bridge;
    26
    27  import static org.junit.Assert.assertEquals;
    28
    29  import java.text.MessageFormat;
    30  import java.util.ResourceBundle;
    31  import java.util.logging.Level;
    32
    33  import org.apache.log4j.spi.LocationInfo;
    34  import org.apache.log4j.spi.LoggingEvent;
    35  import org.junit.After;
    36  import org.junit.Before;
    37  import org.junit.Test;
    38
    39  public class SLF4JBridgeHandlerTest {
    40
    41      static String LOGGER_NAME = "yay";
    42
    43      ListAppender listAppender = new ListAppender();
    44      org.apache.log4j.Logger log4jRoot;
    45      java.util.logging.Logger julLogger = java.util.logging.Logger.getLogger("yay");
    46
    47      @Before
    48      public void setUp() throws Exception {
    49          listAppender.extractLocationInfo = true;
    50          log4jRoot = org.apache.log4j.Logger.getRootLogger();
    51          log4jRoot.addAppender(listAppender);
    52          log4jRoot.setLevel(org.apache.log4j.Level.TRACE);
    53      }
    54
    55      @After
    56      public void tearDown() throws Exception {
    57          SLF4JBridgeHandler.uninstall();
    58          log4jRoot.getLoggerRepository().resetConfiguration();
    59      }
    60
    61      @Test
    62      public void testSmoke() {
    63          SLF4JBridgeHandler.install();
    64          String msg = "msg";
    65          julLogger.info(msg);
    66          assertEquals(1, listAppender.list.size());
    67          LoggingEvent le = (LoggingEvent) listAppender.list.get(0);
    68          assertEquals(LOGGER_NAME, le.getLoggerName());
    69          assertEquals(msg, le.getMessage());
    70
    71          // get the location info in the event.
    72          // Note that this must have been computed previously
    73          // within an appender for the following assertion to
    74          // work properly
    75          LocationInfo li = le.getLocationInformation();
    76          System.out.println(li.fullInfo);
    77          assertEquals("SLF4JBridgeHandlerTest.java", li.getFileName());
    78          assertEquals("testSmoke", li.getMethodName());
    79      }
    80
    81      @Test
    82      public void testLevels() {
    83          SLF4JBridgeHandler.install();
    84          String msg = "msg";
    85          julLogger.setLevel(Level.ALL);
    86
    87          julLogger.finest(msg);
    88          julLogger.finer(msg);
    89          julLogger.fine(msg);
    90          julLogger.info(msg);
    91          julLogger.warning(msg);
    92          julLogger.severe(msg);
    93
    94          assertEquals(6, listAppender.list.size());
    95          int i = 0;
    96          assertLevel(i++, org.apache.log4j.Level.TRACE);
    97          assertLevel(i++, org.apache.log4j.Level.DEBUG);
    98          assertLevel(i++, org.apache.log4j.Level.DEBUG);
    99          assertLevel(i++, org.apache.log4j.Level.INFO);
    100         assertLevel(i++, org.apache.log4j.Level.WARN);
    101         assertLevel(i++, org.apache.log4j.Level.ERROR);
    102     }
    103
    104     @Test
    105     public void testLogWithResourceBundle() {
    106         SLF4JBridgeHandler.install();
    107
    108         String resourceBundleName = "org.slf4j.bridge.testLogStrings";
    109         ResourceBundle bundle = ResourceBundle.getBundle(resourceBundleName);
    110         String resourceKey = "resource_key";
    111         String expectedMsg = bundle.getString(resourceKey);
    112         String msg = resourceKey;
    113
    114         java.util.logging.Logger julResourceBundleLogger = java.util.logging.Logger.getLogger("yay", resourceBundleName);
    115
    116         julResourceBundleLogger.info(msg);
    117         assertEquals(1, listAppender.list.size());
    118         LoggingEvent le = (LoggingEvent) listAppender.list.get(0);
    119         assertEquals(LOGGER_NAME, le.getLoggerName());
    120         assertEquals(expectedMsg, le.getMessage());
    121     }
    122
    123     @Test
    124     public void testLogWithResourceBundleWithParameters() {
    125         SLF4JBridgeHandler.install();
    126
    127         String resourceBundleName = "org.slf4j.bridge.testLogStrings";
    128         ResourceBundle bundle = ResourceBundle.getBundle(resourceBundleName);
    129
    130         java.util.logging.Logger julResourceBundleLogger = java.util.logging.Logger.getLogger("foo", resourceBundleName);
    131
    132         String resourceKey1 = "resource_key_1";
    133         String expectedMsg1 = bundle.getString(resourceKey1);
    134         julResourceBundleLogger.info(resourceKey1); // 1st log
    135
    136         String resourceKey2 = "resource_key_2";
    137         Object[] params2 = new Object[] { "foo", "bar" };
    138         String expectedMsg2 = MessageFormat.format(bundle.getString(resourceKey2), params2);
    139         julResourceBundleLogger.log(Level.INFO, resourceKey2, params2); // 2nd log
    140
    141         String resourceKey3 = "invalidKey {0}";
    142         Object[] params3 = new Object[] { "John" };
    143         String expectedMsg3 = MessageFormat.format(resourceKey3, params3);
    144         julResourceBundleLogger.log(Level.INFO, resourceKey3, params3); // 3rd log
    145
    146         julLogger.log(Level.INFO, resourceKey3, params3); // 4th log
    147
    148         assertEquals(4, listAppender.list.size());
    149
    150         LoggingEvent le = null;
    151
    152         le = (LoggingEvent) listAppender.list.get(0);
    153         assertEquals("foo", le.getLoggerName());
    154         assertEquals(expectedMsg1, le.getMessage());
    155
    156         le = (LoggingEvent) listAppender.list.get(1);
    157         assertEquals("foo", le.getLoggerName());
    158         assertEquals(expectedMsg2, le.getMessage());
    159
    160         le = (LoggingEvent) listAppender.list.get(2);
    161         assertEquals("foo", le.getLoggerName());
    162         assertEquals(expectedMsg3, le.getMessage());
    163
    164         le = (LoggingEvent) listAppender.list.get(3);
    165         assertEquals("yay", le.getLoggerName());
    166         assertEquals(expectedMsg3, le.getMessage());
    167     }
    168
    169     @Test
    170     public void testLogWithPlaceholderNoParameters() {
    171         SLF4JBridgeHandler.install();
    172         String msg = "msg {non-number-string}";
    173         julLogger.logp(Level.INFO, "SLF4JBridgeHandlerTest", "testLogWithPlaceholderNoParameters", msg, new Object[0]);
    174
    175         assertEquals(1, listAppender.list.size());
    176         LoggingEvent le = (LoggingEvent) listAppender.list.get(0);
    177         assertEquals(LOGGER_NAME, le.getLoggerName());
    178         assertEquals(msg, le.getMessage());
    179     }
    180
    181     // See http://jira.qos.ch/browse/SLF4J-337
    182
    183     @Test
    184     public void illFormattedInputShouldBeReturnedAsIs() {
    185         SLF4JBridgeHandler.install();
    186         String msg = "foo {18=bad} {0}";
    187
    188         julLogger.log(Level.INFO, msg, "ignored parameter due to IllegalArgumentException");
    189         assertEquals(1, listAppender.list.size());
    190         LoggingEvent le = (LoggingEvent) listAppender.list.get(0);
    191         assertEquals(msg, le.getMessage());
    192     }
    193
    194     void assertLevel(int index, org.apache.log4j.Level expectedLevel) {
    195         LoggingEvent le = (LoggingEvent) listAppender.list.get(index);
    196         assertEquals(expectedLevel, le.getLevel());
    197     }
    198 }