log4j-kafka/src/test/java/org/apache/logging/log4j/kafka/appender/KafkaAppenderCloseTimeoutTest.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.
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package org.apache.logging.log4j.kafka.appender;

import java.util.Properties;
import java.util.concurrent.TimeUnit;

import org.apache.kafka.clients.producer.MockProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.logging.log4j.categories.Appenders;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.junit.LoggerContextRule;
import org.apache.logging.log4j.kafka.appender.KafkaManager;
import org.apache.logging.log4j.kafka.appender.KafkaProducerFactory;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;

@Category(Appenders.Kafka.class)
public class KafkaAppenderCloseTimeoutTest {

    private static final MockProducer<byte[], byte[]> kafka = new MockProducer<byte[], byte[]>(true, null, null) {
        @Override
        public void close() {
            try {
                Thread.sleep(3000);
            } catch (InterruptedException ignore) {
            }
        }

        @Override
        public void close(long timeout, TimeUnit timeUnit) {
            try {
                Thread.sleep(timeUnit.toMillis(timeout));
            } catch (InterruptedException ignore) {
            }
        }
    };

    @BeforeClass
    public static void setUpClass() throws Exception {
        KafkaManager.producerFactory = new KafkaProducerFactory() {
            @Override
            public Producer<byte[], byte[]> newKafkaProducer(final Properties config) {
                return kafka;
            }
        };
    }

    @Rule
    public LoggerContextRule ctx = new LoggerContextRule("KafkaAppenderCloseTimeoutTest.xml");

    @Before
    public void setUp() throws Exception {
        kafka.clear();
    }

    @Test(timeout = 2000)
    public void testClose() throws Exception {
        final Appender appender = ctx.getRequiredAppender("KafkaAppender");
        appender.stop();
    }
}