0.10/commons/src/test/java/org/apache/oodt/commons/io/TestLoggerOutputStream.java

/*
 * 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.oodt.commons.io;

//JDK imports
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

//JUnit imports
import junit.framework.TestCase;

/**
 * Test class for {@link LoggerOutputStream}.
 *
 * @author bfoster (Brian Foster)
 */
public class TestLoggerOutputStream extends TestCase {

   public void testLogging() throws InstantiationException, IOException {
      final List<LogRecord> records = new ArrayList<LogRecord>();
      Logger logger = Logger.getLogger(TestLoggerOutputStream.class.getName());
      logger.addHandler(new Handler() {
         @Override
         public void close() throws SecurityException {}
         @Override
         public void flush() {}
         @Override
         public void publish(LogRecord record) {
            records.add(record);
         }
      });
      LoggerOutputStream los = new LoggerOutputStream(logger, 10, Level.INFO);
      los.write("This is a test write to a log file".getBytes());
      los.close();
      assertEquals("This is a ", records.get(0).getMessage());
      assertEquals("test write", records.get(1).getMessage());
      assertEquals(" to a log ", records.get(2).getMessage());
      assertEquals("file", records.get(3).getMessage());
   }
}