package org.apache.lucene.benchmark.byTask.tasks;

/**
 * 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.
 */

import java.util.Properties;

import org.apache.lucene.benchmark.BenchmarkTestCase;
import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.benchmark.byTask.utils.Config;

/** Tests the functionality of the abstract {@link PerfTask}. */
public class PerfTaskTest extends BenchmarkTestCase {

  private static final class MyPerfTask extends PerfTask {

    public MyPerfTask(PerfRunData runData) {
      super(runData);
    }

    @Override
    public int doLogic() throws Exception {
      return 0;
    }

    public int getLogStep() { return logStep; }
    
  }
  
  private PerfRunData createPerfRunData(boolean setLogStep, int logStepVal,
      boolean setTaskLogStep, int taskLogStepVal) throws Exception {
    Properties props = new Properties();
    if (setLogStep) {
      props.setProperty("log.step", Integer.toString(logStepVal));
    }
    if (setTaskLogStep) {
      props.setProperty("log.step.MyPerf", Integer.toString(taskLogStepVal));
    }
    props.setProperty("directory", "RAMDirectory"); // no accidental FS dir.
    Config config = new Config(props);
    return new PerfRunData(config);
  }
  
  private void doLogStepTest(boolean setLogStep, int logStepVal,
      boolean setTaskLogStep, int taskLogStepVal, int expLogStepValue) throws Exception {
    PerfRunData runData = createPerfRunData(setLogStep, logStepVal, setTaskLogStep, taskLogStepVal);
    MyPerfTask mpt = new MyPerfTask(runData);
    assertEquals(expLogStepValue, mpt.getLogStep());
  }
  
  public void testLogStep() throws Exception {
    doLogStepTest(false, -1, false, -1, PerfTask.DEFAULT_LOG_STEP);
    doLogStepTest(true, -1, false, -1, Integer.MAX_VALUE);
    doLogStepTest(true, 100, false, -1, 100);
    doLogStepTest(false, -1, true, -1, Integer.MAX_VALUE);
    doLogStepTest(false, -1, true, 100, 100);
  }
  
}