samza-log4j2/src/test/java/org/apache/samza/logging/log4j2/serializers/TestLoggingEventStringSerde.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
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package org.apache.samza.logging.log4j2.serializers;

import static org.junit.Assert.*;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.Logger;
import org.apache.logging.log4j.core.impl.Log4jLogEvent;
import org.apache.logging.log4j.message.SimpleMessage;
import org.junit.Test;

public class TestLoggingEventStringSerde {

  @Test
  public void test() {
    String testLog = "testing";
    Logger logger = (Logger) LogManager.getLogger(TestLoggingEventStringSerde.class);
    LogEvent log = Log4jLogEvent.newBuilder()
        .setLevel(logger.getLevel())
        .setLoggerName(logger.getName())
        .setMessage(new SimpleMessage(testLog))
        .setThrown(null)
        .build();
    LoggingEventStringSerde loggingEventStringSerde = new LoggingEventStringSerde();

    assertNull(loggingEventStringSerde.fromBytes(null));
    assertNull(loggingEventStringSerde.toBytes(null));

    assertArrayEquals(testLog.getBytes(), loggingEventStringSerde.toBytes(log));
    // only the log messages are guaranteed to be equivalent
    assertEquals(log.getMessage().toString(), loggingEventStringSerde.fromBytes(testLog.getBytes()).getMessage().toString());
  }
}