/*
 * 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.geode.management.bean.stats;

import static org.apache.geode.distributed.ConfigurationProperties.ENABLE_TIME_STATISTICS;
import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT;
import static org.apache.geode.distributed.ConfigurationProperties.STATISTIC_SAMPLE_RATE;
import static org.apache.geode.distributed.ConfigurationProperties.STATISTIC_SAMPLING_ENABLED;
import static org.junit.Assert.assertNotNull;

import java.util.Properties;

import org.junit.After;
import org.junit.Before;

import org.apache.geode.cache.CacheFactory;
import org.apache.geode.distributed.DistributedSystem;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import org.apache.geode.internal.NanoTimer;

/**
 * Base test case for the management.bean.stats tests.
 *
 * @since GemFire 7.0
 */
public abstract class MBeanStatsTestCase {

  protected static final long SLEEP = 100;
  protected static final long TIMEOUT = 4 * 1000;

  protected InternalDistributedSystem system;


  @SuppressWarnings("deprecation")
  @Before
  public void setUp() throws Exception {
    // System.setProperty("gemfire.stats.debug.debugSampleCollector", "true");

    final Properties props = new Properties();
    props.setProperty(MCAST_PORT, "0");
    props.setProperty(ENABLE_TIME_STATISTICS, "true");
    props.setProperty(STATISTIC_SAMPLING_ENABLED, "false");
    props.setProperty(STATISTIC_SAMPLE_RATE, "60000");

    system = (InternalDistributedSystem) DistributedSystem.connect(props);
    assertNotNull(system.getStatSampler());
    assertNotNull(system.getStatSampler().waitForSampleCollector(TIMEOUT));

    new CacheFactory().create();

    init();

    sample();
  }

  @After
  public void tearDown() throws Exception {
    // System.clearProperty("gemfire.stats.debug.debugSampleCollector");
    system.disconnect();
    system = null;
  }

  protected void waitForNotification() throws InterruptedException {
    system.getStatSampler().waitForSample(TIMEOUT);
    Thread.sleep(SLEEP);
  }

  protected void sample() throws InterruptedException {
    system.getStatSampler().getSampleCollector().sample(NanoTimer.getTime());
    Thread.sleep(SLEEP);
  }

  protected abstract void init();
}
