mwomack 02/05/19 23:22:09
Added: tests/src/java/org/apache/log4j/varia
NDCMatchFilterTestCase.java
Log:
Added NDCMatchFilterTestCase.java to test the NDCMatchFilter class.
Revision Changes Path
1.1
jakarta-log4j/tests/src/java/org/apache/log4j/varia/NDCMatchFilterTestCase.java
Index: NDCMatchFilterTestCase.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file. */
package org.apache.log4j.varia;
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.Layout;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.NDC;
import org.apache.log4j.varia.LevelMatchFilter;
import org.apache.log4j.varia.DenyAllFilter;
import org.apache.log4j.util.Transformer;
import org.apache.log4j.util.Compare;
import org.apache.log4j.util.LineNumberFilter;
/**
Test case for varia/NDCMatchFilter.java. Test both the accept
and deny cases. Testing the accept requires the use of the
DenyAllFilter to prevent non-matched messages from still getting
logged to the appender.
*/
public class NDCMatchFilterTestCase extends TestCase {
static String ACCEPT_FILE = "output/NDCMatchFilter_accept";
static String ACCEPT_WITNESS = "witness/NDCMatchFilter_accept";
static String DENY_FILE = "output/NDCMatchFilter_deny";
static String DENY_WITNESS = "witness/NDCMatchFilter_deny";
Logger root;
Logger logger;
public NDCMatchFilterTestCase(String name) {
super(name);
}
public void setUp() {
root = Logger.getRootLogger();
root.removeAllAppenders();
}
public void tearDown() {
root.getLoggerRepository().resetConfiguration();
}
public void accept() throws Exception {
// set up appender
Layout layout = new PatternLayout("%m \"%x\"%n");
Appender appender = new FileAppender(layout, ACCEPT_FILE, false);
// create NDCMatchFilter
NDCMatchFilter matchFilter = new NDCMatchFilter();
// attach match filter to appender
appender.addFilter(matchFilter);
// attach DenyAllFilter to end of filter chain to deny neutral
// (non matching) messages
appender.addFilter(new DenyAllFilter());
// set appender on root and set level to debug
root.addAppender(appender);
root.setLevel(Level.DEBUG);
StringBuffer ndcMatchValue = new StringBuffer();
String[] ndcValueArray = new String[] {"level_1", "level_2", "level_3"};
//test for exact matches
matchFilter.setExactMatch(true);
for (int x = 0; x < ndcValueArray.length; x++) {
ndcMatchValue.append(ndcValueArray[x]);
// set the value to match
matchFilter.setValueToMatch(ndcMatchValue.toString());
// push all the values onto the ndc stack
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass " + x + ": \"" +
ndcMatchValue.toString() + "\" exactly matches");
// append a space for the next pass
ndcMatchValue.append(" ");
}
// test for contained matches
matchFilter.setExactMatch(false);
ndcMatchValue.setLength(0);
for (int x = 0; x < ndcValueArray.length; x++) {
ndcMatchValue.append(ndcValueArray[x]);
// set the value to match
matchFilter.setValueToMatch(ndcMatchValue.toString());
// push all the values onto the ndc stack
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass " + (x+3) + ": \"" +
ndcMatchValue.toString() + "\" contained in");
// append a space for the next pass
ndcMatchValue.append(" ");
}
// test the null match with exact match
matchFilter.setValueToMatch(null);
matchFilter.setExactMatch(true);
// push all the values onto the ndc stack
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass 6: \"\" exactly matches");
// test the null match with contained match
matchFilter.setExactMatch(false);
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass 7: \"\" contained in");
assertTrue(Compare.compare(ACCEPT_FILE, ACCEPT_WITNESS));
}
public void deny() throws Exception {
// set up appender
Layout layout = new PatternLayout("%m \"%x\"%n");
Appender appender = new FileAppender(layout, DENY_FILE, false);
// create NDCMatchFilter, set to deny matches
NDCMatchFilter matchFilter = new NDCMatchFilter();
matchFilter.setAcceptOnMatch(false);
// attach match filter to appender
appender.addFilter(matchFilter);
// set appender on root and set level to debug
root.addAppender(appender);
root.setLevel(Level.DEBUG);
StringBuffer ndcMatchValue = new StringBuffer();
String[] ndcValueArray = new String[] {"level_1", "level_2", "level_3"};
//test for exact matches
matchFilter.setExactMatch(true);
for (int x = 0; x < ndcValueArray.length; x++) {
ndcMatchValue.append(ndcValueArray[x]);
// set the value to match
matchFilter.setValueToMatch(ndcMatchValue.toString());
// push all the values onto the ndc stack
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass " + x + ": \"" +
ndcMatchValue.toString() + "\" does not exactly match");
// append a space for the next pass
ndcMatchValue.append(" ");
}
// test for contained matches
matchFilter.setExactMatch(false);
ndcMatchValue.setLength(0);
for (int x = 0; x < ndcValueArray.length; x++) {
ndcMatchValue.append(ndcValueArray[x]);
// set the value to match
matchFilter.setValueToMatch(ndcMatchValue.toString());
// push all the values onto the ndc stack
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass " + (x+3) + ": \"" +
ndcMatchValue.toString() + "\" not contained in");
// append a space for the next pass
ndcMatchValue.append(" ");
}
// test the null match with exact match
matchFilter.setValueToMatch(null);
matchFilter.setExactMatch(true);
// push all the values onto the ndc stack
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass 6: \"\" does not exactly match");
// test the null match with contained match
matchFilter.setValueToMatch(null);
matchFilter.setExactMatch(false);
for (int y = 0; y < ndcValueArray.length; y++) {
NDC.push(ndcValueArray[y]);
}
// print the test messages
common(ndcValueArray.length, "pass 7: \"\" not contained in");
assertTrue(Compare.compare(DENY_FILE, DENY_WITNESS));
}
void common(int popCount, String msg) {
Logger logger = Logger.getLogger("test");
// log message, popping the NDC each time
for (int x = 0; x < popCount; x++) {
logger.debug(msg);
NDC.pop();
}
// log a message NDC is null/empty
logger.debug(msg);
}
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTest(new NDCMatchFilterTestCase("accept"));
suite.addTest(new NDCMatchFilterTestCase("deny"));
return suite;
}
}
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