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.bookkeeper.conf;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.CALLS_REAL_METHODS;
  import static org.mockito.Mockito.mock;
  
  import org.apache.bookkeeper.common.allocator.LeakDetectionPolicy;
  import org.apache.bookkeeper.meta.AbstractZkLedgerManagerFactory;
  import org.apache.bookkeeper.meta.HierarchicalLedgerManagerFactory;
  import org.apache.bookkeeper.meta.LedgerManagerFactory;
  import org.apache.bookkeeper.meta.LongHierarchicalLedgerManagerFactory;
  import org.apache.commons.configuration2.ex.ConfigurationException;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Unit test of {@link AbstractConfiguration}.
   */
  public class AbstractConfigurationTest {
  
      private static final String DEFAULT_METADATA_SERVICE_URI =
          "zk+null://127.0.0.1/path/to/ledgers";
      private static final String HIERARCHICAL_METADATA_SERVICE_URI =
          "zk+hierarchical://127.0.0.1/path/to/ledgers";
      private static final String FLAT_METADATA_SERVICE_URI =
          "zk+flat://127.0.0.1/path/to/ledgers";
      private static final String LONGHIERARCHICAL_METADATA_SERVICE_URI =
          "zk+longhierarchical://127.0.0.1/path/to/ledgers";
      private static final String MS_METADATA_SERVICE_URI =
          "zk+ms://127.0.0.1/path/to/ledgers";
  
      private AbstractConfiguration conf;
  
      @Before
      @SuppressWarnings("deprecation")
      public void setup() {
          this.conf = new ClientConfiguration();
          this.conf.setZkServers("127.0.0.1");
          this.conf.setZkLedgersRootPath("/path/to/ledgers");
      }
  
      @Test
      public void testDefaultServiceUri() throws Exception {
          assertEquals(
              DEFAULT_METADATA_SERVICE_URI,
              conf.getMetadataServiceUri());
      }
  
      @Test
      public void testSetMetadataServiceUri() throws Exception {
          assertEquals(
              DEFAULT_METADATA_SERVICE_URI,
              conf.getMetadataServiceUri());
          String serviceUri = "etcd://128.0.0.1/key/prefix";
          conf.setMetadataServiceUri(serviceUri);
          assertEquals(
              "Service URI should be changed to " + serviceUri,
              serviceUri,
              conf.getMetadataServiceUri());
      }
  
      @SuppressWarnings({ "unchecked" })
      @Test(expected = ConfigurationException.class)
      public void testUnsupportedLedgerManagerFactory() throws Exception {
          LedgerManagerFactory mockFactory = mock(LedgerManagerFactory.class, CALLS_REAL_METHODS);
          conf.setLedgerManagerFactoryClass(mockFactory.getClass());
          conf.getMetadataServiceUri();
      }
  
      @SuppressWarnings({ "deprecation", "unchecked" })
      @Test
      public void testFlatLedgerManagerUri() throws Exception {
          conf.setLedgerManagerFactoryClass(org.apache.bookkeeper.meta.FlatLedgerManagerFactory.class);
          assertEquals(
              FLAT_METADATA_SERVICE_URI,
              conf.getMetadataServiceUri());
      }
  
      @SuppressWarnings({ "unchecked" })
      @Test
      public void testHierarchicalLedgerManagerUri() throws Exception {
          conf.setLedgerManagerFactoryClass(HierarchicalLedgerManagerFactory.class);
          assertEquals(
              HIERARCHICAL_METADATA_SERVICE_URI,
              conf.getMetadataServiceUri());
      }
  
      @SuppressWarnings({ "unchecked" })
      @Test
      public void testLongHierarchicalLedgerManagerUri() throws Exception {
          conf.setLedgerManagerFactoryClass(LongHierarchicalLedgerManagerFactory.class);
          assertEquals(
              LONGHIERARCHICAL_METADATA_SERVICE_URI,
              conf.getMetadataServiceUri());
      }
  
      @SuppressWarnings({ "unchecked", "deprecation" })
      @Test
      public void testMsLedgerManagerUri() throws Exception {
          conf.setLedgerManagerFactoryClass(
              org.apache.bookkeeper.meta.MSLedgerManagerFactory.class);
          assertEquals(
              MS_METADATA_SERVICE_URI,
              conf.getMetadataServiceUri());
      }
  
      @SuppressWarnings({ "unchecked" })
      @Test(expected = IllegalArgumentException.class)
      public void testUnknownZkLedgerManagerFactory() throws Exception {
          AbstractZkLedgerManagerFactory mockZkFactory =
              mock(AbstractZkLedgerManagerFactory.class, CALLS_REAL_METHODS);
          conf.setLedgerManagerFactoryClass(mockZkFactory.getClass());
          conf.getMetadataServiceUri();
      }
  
      @Test
      public void testAllocatorLeakDetectionPolicy() {
          String nettyOldLevelKey = "io.netty.leakDetectionLevel";
          String nettyLevelKey = "io.netty.leakDetection.level";
  
          String nettyOldLevelStr = System.getProperty(nettyOldLevelKey);
          String nettyLevelStr = System.getProperty(nettyLevelKey);
  
          //Remove netty property for test.
          System.getProperties().remove(nettyOldLevelKey);
          System.getProperties().remove(nettyLevelKey);
  
          assertEquals(LeakDetectionPolicy.Disabled, conf.getAllocatorLeakDetectionPolicy());
  
          System.getProperties().put(nettyOldLevelKey, "zazaza");
          assertEquals(LeakDetectionPolicy.Disabled, conf.getAllocatorLeakDetectionPolicy());
  
          conf.setProperty(AbstractConfiguration.ALLOCATOR_LEAK_DETECTION_POLICY, "zazaza");
          assertEquals(LeakDetectionPolicy.Disabled, conf.getAllocatorLeakDetectionPolicy());
  
          System.getProperties().put(nettyOldLevelKey, "simple");
          assertEquals(LeakDetectionPolicy.Simple, conf.getAllocatorLeakDetectionPolicy());
  
          System.getProperties().put(nettyLevelKey, "disabled");
          assertEquals(LeakDetectionPolicy.Disabled, conf.getAllocatorLeakDetectionPolicy());
  
          System.getProperties().put(nettyLevelKey, "advanCed");
          assertEquals(LeakDetectionPolicy.Advanced, conf.getAllocatorLeakDetectionPolicy());
  
          conf.setProperty(AbstractConfiguration.ALLOCATOR_LEAK_DETECTION_POLICY, "simPle");
          assertEquals(LeakDetectionPolicy.Advanced, conf.getAllocatorLeakDetectionPolicy());
  
          conf.setProperty(AbstractConfiguration.ALLOCATOR_LEAK_DETECTION_POLICY, "advanCed");
          assertEquals(LeakDetectionPolicy.Advanced, conf.getAllocatorLeakDetectionPolicy());
  
          conf.setProperty(AbstractConfiguration.ALLOCATOR_LEAK_DETECTION_POLICY, "paranoiD");
          assertEquals(LeakDetectionPolicy.Paranoid, conf.getAllocatorLeakDetectionPolicy());
  
          System.getProperties().remove(nettyOldLevelKey);
          System.getProperties().remove(nettyLevelKey);
          //Revert the netty properties.
          if (nettyOldLevelStr != null) {
              System.getProperties().put(nettyOldLevelKey, nettyOldLevelStr);
          }
          if (nettyLevelStr != null) {
              System.getProperties().put(nettyLevelKey, nettyLevelStr);
          }
      }
  
      @Test
      public void testExitOnOutOfMemory() {
          assertFalse(conf.exitOnOutOfMemory());
          conf.setExitOnOutOfMemory(true);
          assertTrue(conf.exitOnOutOfMemory());
      }
  
  }
  