/*
* 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.pattern;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.impl.Log4jLogEvent;
import org.apache.logging.log4j.message.SimpleMessage;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertEquals;
public class Log4j1MdcPatternConverterTest {
@Test
public void testConverter0() {
final Map<String, String> contextMap = new HashMap<>(0);
final String expected = "{}";
test(contextMap, expected, null);
}
@Test
public void testConverter1() {
final Map<String, String> contextMap = new HashMap<>(1);
contextMap.put("key1", "value1");
final String expected = "{{key1,value1}}";
test(contextMap, expected, null);
}
@Test
public void testConverter2() {
final Map<String, String> contextMap = new HashMap<>(2);
contextMap.put("key1", "value1");
contextMap.put("key2", "value2");
final String expected = "{{key1,value1}{key2,value2}}";
test(contextMap, expected, null);
}
@Test
public void testConverterWithKey() {
final Map<String, String> contextMap = new HashMap<>(2);
contextMap.put("key1", "value1");
contextMap.put("key2", "value2");
final String expected = "value1";
test(contextMap, expected, new String[] {"key1"});
}
private void test(final Map<String, String> contextMap, final String expected, final String[] options) {
final LogEvent event = Log4jLogEvent.newBuilder()
.setLoggerName("MyLogger")
.setLevel(Level.DEBUG)
.setMessage(new SimpleMessage("Hello"))
.setContextMap(contextMap)
.build();
final StringBuilder sb = new StringBuilder();
final Log4j1MdcPatternConverter converter = Log4j1MdcPatternConverter.newInstance(options);
converter.format(event, sb);
assertEquals(expected, sb.toString());
}
}