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.activemq.transport.failover;
  
  import java.lang.reflect.Field;
  import java.net.URI;
  import java.util.Collection;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  public class FailoverTransportUriHandlingTest {
  
     @Test
     public void testFailoverTransportAddWithInitialUnknown() throws Exception {
        FailoverTransport transport = new FailoverTransport();
  
        final String initialUri = "tcp://no.existing.hostname:61616";
  
        transport.add(false, initialUri);
  
        String[] uriArray = new String[]{"tcp://127.0.0.2:61616", "tcp://localhost:61616", "tcp://localhost:61617"};
  
        for (String uri : uriArray) {
           transport.add(false, uri);
        }
  
        Collection<URI> uris = getRegisteredUrlsFromPrivateField(transport);
  
        for (String uri : uriArray) {
           assertTrue("Collection should contain: " + uri, uris.contains(new URI(uri)));
        }
     }
  
     @Test
     public void testFailoverTransportAddWithInitialKnown() throws Exception {
        FailoverTransport transport = new FailoverTransport();
  
        final String initialUri = "tcp://localhost:61616";
  
        transport.add(false, initialUri);
  
        String[] uriArray = new String[]{"tcp://127.0.0.2:61616", "tcp://no.existing.hostname:61616", "tcp://localhost:61617"};
  
        for (String uri : uriArray) {
           transport.add(false, uri);
        }
  
        Collection<URI> uris = getRegisteredUrlsFromPrivateField(transport);
  
        for (String uri : uriArray) {
           assertTrue("Collection should contain: " + uri, uris.contains(new URI(uri)));
        }
     }
  
     @Test
     public void testFailoverTransportAddWithPreventsDups() throws Exception {
        FailoverTransport transport = new FailoverTransport();
  
        final String initialUri = "tcp://localhost:61616";
  
        transport.add(false, initialUri);
  
        String[] uriArray = new String[]{"tcp://127.0.0.2:61616", "tcp://localhost:61616", "tcp://no.existing.hostname:61616", "tcp://localhost:61617", "tcp://127.0.0.1:61616"};
  
        for (String uri : uriArray) {
           transport.add(false, uri);
        }
  
        Collection<URI> uris = getRegisteredUrlsFromPrivateField(transport);
  
        assertEquals(4, uris.size());
  
        // Ensure even the unknowns get checked.
        transport.add(false, "tcp://no.existing.hostname:61616");
  
        uris = getRegisteredUrlsFromPrivateField(transport);
  
        assertEquals(4, uris.size());
     }
  
     @Test
     public void testFailoverTransportAddArray() throws Exception {
        FailoverTransport transport = new FailoverTransport();
  
        final String initialUri = "tcp://no.existing.hostname:61616";
  
        transport.add(false, initialUri);
  
        URI[] uriArray = new URI[]{new URI("tcp://127.0.0.2:61616"), new URI("tcp://localhost:61616"), new URI("tcp://localhost:61617")};
  
        transport.add(false, uriArray);
  
        Collection<URI> uris = getRegisteredUrlsFromPrivateField(transport);
  
        for (URI uri : uriArray) {
           assertTrue("Collection should contain: " + uri, uris.contains(uri));
        }
  
        assertEquals(4, uris.size());
  
        // Ensure even the unknowns get checked.
        transport.add(false, "tcp://no.existing.hostname:61616");
  
        uris = getRegisteredUrlsFromPrivateField(transport);
  
        assertEquals(4, uris.size());
  
        transport.add(false, uriArray);
  
        assertEquals(4, uris.size());
     }
  
     @SuppressWarnings("unchecked")
     private Collection<URI> getRegisteredUrlsFromPrivateField(FailoverTransport failoverTransport) throws SecurityException, NoSuchFieldException, IllegalAccessException {
        Field urisField = failoverTransport.getClass().getDeclaredField("uris");
        urisField.setAccessible(true);
        return (Collection<URI>) urisField.get(failoverTransport);
     }
  }
  