content: /*
   * 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.ambari.annotations;
  
  import java.lang.reflect.Method;
  import java.util.HashSet;
  import java.util.Properties;
  
  import org.apache.ambari.annotations.TransactionalLock.LockArea;
  import org.apache.ambari.annotations.TransactionalLock.LockType;
  import org.apache.ambari.server.configuration.Configuration;
  import org.junit.Test;
  
  import junit.framework.Assert;
  
  /**
   * Tests {@link TransactionalLock} and associated classes.
   */
  public class TransactionalLockTest {
  
    /**
     * Tests that {@link LockArea} is correctly enabled/disabled.
     */
    @Test
    public void testLockAreaEnabled() throws Exception {
      final Properties ambariProperties = new Properties();
      ambariProperties.put(Configuration.SERVER_HRC_STATUS_SUMMARY_CACHE_ENABLED.getKey(), "true");
      Configuration configuration = new Configuration(ambariProperties);
  
      LockArea lockArea = LockArea.HRC_STATUS_CACHE;
      lockArea.clearEnabled();
  
      Assert.assertTrue(lockArea.isEnabled(configuration));
    }
  
    /**
     * Tests that {@link LockArea} is correctly enabled/disabled.
     */
    @Test
    public void testLockAreaEnabledDisabled() throws Exception {
      final Properties ambariProperties = new Properties();
      ambariProperties.put(Configuration.SERVER_HRC_STATUS_SUMMARY_CACHE_ENABLED.getKey(), "false");
      Configuration configuration = new Configuration(ambariProperties);
  
      LockArea lockArea = LockArea.HRC_STATUS_CACHE;
      lockArea.clearEnabled();
  
      Assert.assertFalse(lockArea.isEnabled(configuration));
    }
  
    /**
     * Tests that annotations are actually equal (more of a proof of the javadoc
     * than anything).
     */
    @Test
    public void testAnnotationEquality() {
      HashSet<TransactionalLock> annotations = new HashSet<>();
  
      int annotationsFound = 0;
      Method[] methods = getClass().getDeclaredMethods();
      for (Method method : methods) {
        TransactionalLock annotation = method.getAnnotation(TransactionalLock.class);
        if (null != annotation) {
          annotations.add(annotation);
          annotationsFound++;
        }
      }
  
      // there should be 3 discovered annotations, but only 2 in the hashset since
      // they were collapsed
      Assert.assertEquals(2, annotations.size());
      Assert.assertEquals(3, annotationsFound);
    }
  
    @TransactionalLock(lockArea = LockArea.HRC_STATUS_CACHE, lockType = LockType.READ)
    private void transactionalHRCRead() {
    }
  
    @TransactionalLock(lockArea = LockArea.HRC_STATUS_CACHE, lockType = LockType.READ)
    private void transactionalHRCRead2() {
    }
  
    @TransactionalLock(lockArea = LockArea.HRC_STATUS_CACHE, lockType = LockType.WRITE)
    private void transactionalHRCWrite() {
    }
  }