package org.eclipse.aether.impl;
   
   /*
    * 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 static org.junit.Assert.*;
  
  import java.util.Arrays;
  import java.util.List;
  
  import org.eclipse.aether.RepositorySystem;
  import org.eclipse.aether.spi.locator.Service;
  import org.eclipse.aether.spi.locator.ServiceLocator;
  import org.junit.Test;
  
  /**
   */
  public class DefaultServiceLocatorTest
  {
  
      @Test
      public void testGetRepositorySystem()
      {
          DefaultServiceLocator locator = new DefaultServiceLocator();
          locator.addService( ArtifactDescriptorReader.class, StubArtifactDescriptorReader.class );
          locator.addService( VersionResolver.class, StubVersionResolver.class );
          locator.addService( VersionRangeResolver.class, StubVersionRangeResolver.class );
  
          RepositorySystem repoSys = locator.getService( RepositorySystem.class );
          assertNotNull( repoSys );
      }
  
      @Test
      public void testGetServicesUnmodifiable()
      {
          DefaultServiceLocator locator = new DefaultServiceLocator();
          locator.setServices( String.class, "one", "two" );
          List<String> services = locator.getServices( String.class );
          assertNotNull( services );
          try
          {
              services.set( 0, "fail" );
              fail( "service list is modifable" );
          }
          catch ( UnsupportedOperationException e )
          {
              // expected
          }
      }
  
      @Test
      public void testSetInstancesAddClass()
      {
          DefaultServiceLocator locator = new DefaultServiceLocator();
          locator.setServices( String.class, "one", "two" );
          locator.addService( String.class, String.class );
          assertEquals( Arrays.asList( "one", "two", "" ), locator.getServices( String.class ) );
      }
  
      @Test
      public void testInitService()
      {
          DefaultServiceLocator locator = new DefaultServiceLocator();
          locator.setService( DummyService.class, DummyService.class );
          DummyService service = locator.getService( DummyService.class );
          assertNotNull( service );
          assertNotNull( service.locator );
      }
  
      private static class DummyService
          implements Service
      {
  
          public ServiceLocator locator;
  
          public void initService( ServiceLocator locator )
          {
              this.locator = locator;
          }
  
      }
  
  }