/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.log4j.helpers;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.framework.Test;
import org.apache.log4j.Logger;
import org.apache.log4j.Level;
import org.apache.log4j.Appender;
import org.apache.log4j.FileAppender;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.MDC;
import org.apache.log4j.util.Compare;
/**
Test case for helpers/PatternParser.java. Tests the various
conversion patterns supported by PatternParser. This test
class tests PatternParser via the PatternLayout class which
uses it.
*/
public class PatternParserTestCase extends TestCase {
static String OUTPUT_FILE = "output/PatternParser";
static String WITNESS_FILE = "witness/PatternParser";
static String msgPattern = "%m%n";
Logger root;
Logger logger;
public PatternParserTestCase(String name) {
super(name);
}
public void setUp() {
root = Logger.getRootLogger();
root.removeAllAppenders();
}
public void tearDown() {
root.getLoggerRepository().resetConfiguration();
}
/**
Test case for MDC conversion pattern. */
public void mdcPattern() throws Exception {
String mdcMsgPattern1 = "%m : %X%n";
String mdcMsgPattern2 = "%m : %X{key1}%n";
String mdcMsgPattern3 = "%m : %X{key2}%n";
String mdcMsgPattern4 = "%m : %X{key3}%n";
String mdcMsgPattern5 = "%m : %X{key1},%X{key2},%X{key3}%n";
// set up appender
PatternLayout layout = new PatternLayout(msgPattern);
Appender appender = new FileAppender(layout, OUTPUT_FILE+"_mdc", false);
// set appender on root and set level to debug
root.addAppender(appender);
root.setLevel(Level.DEBUG);
// output starting message
root.debug("starting mdc pattern test");
layout.setConversionPattern(mdcMsgPattern1);
root.debug("empty mdc, no key specified in pattern");
layout.setConversionPattern(mdcMsgPattern2);
root.debug("empty mdc, key1 in pattern");
layout.setConversionPattern(mdcMsgPattern3);
root.debug("empty mdc, key2 in pattern");
layout.setConversionPattern(mdcMsgPattern4);
root.debug("empty mdc, key3 in pattern");
layout.setConversionPattern(mdcMsgPattern5);
root.debug("empty mdc, key1, key2, and key3 in pattern");
MDC.put("key1", "value1");
MDC.put("key2", "value2");
layout.setConversionPattern(mdcMsgPattern1);
root.debug("filled mdc, no key specified in pattern");
layout.setConversionPattern(mdcMsgPattern2);
root.debug("filled mdc, key1 in pattern");
layout.setConversionPattern(mdcMsgPattern3);
root.debug("filled mdc, key2 in pattern");
layout.setConversionPattern(mdcMsgPattern4);
root.debug("filled mdc, key3 in pattern");
layout.setConversionPattern(mdcMsgPattern5);
root.debug("filled mdc, key1, key2, and key3 in pattern");
MDC.remove("key1");
MDC.remove("key2");
layout.setConversionPattern(msgPattern);
root.debug("finished mdc pattern test");
assertTrue(Compare.compare(OUTPUT_FILE+"_mdc", WITNESS_FILE+"_mdc"));
}
public static Test suite() {
TestSuite suite = new TestSuite();
//
// MDC requires JDK 1.2+
//
if (!System.getProperty("java.version").startsWith("1.1.")) {
suite.addTest(new PatternParserTestCase("mdcPattern"));
}
return suite;
}
}
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