package org.apache.maven.index;
   
   /*
    * 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.io.IOException;
  import java.util.Collection;
  
  import org.apache.lucene.index.Term;
  import org.apache.lucene.search.PrefixQuery;
  import org.apache.lucene.store.Directory;
  import org.apache.lucene.store.RAMDirectory;
  import org.apache.maven.index.ArtifactInfo;
  import org.apache.maven.index.FlatSearchRequest;
  import org.apache.maven.index.FlatSearchResponse;
  import org.apache.maven.index.NexusIndexer;
  import org.apache.maven.index.context.IndexingContext;
  
  public abstract class AbstractNexusIndexerTest
      extends AbstractIndexCreatorHelper
  {
      protected NexusIndexer nexusIndexer;
  
      protected Directory indexDir = new RAMDirectory();
  
      protected IndexingContext context;
  
      @Override
      protected void setUp()
          throws Exception
      {
          super.setUp();
          // FileUtils.deleteDirectory( indexDir );
          nexusIndexer = lookup( NexusIndexer.class );
          prepareNexusIndexer( nexusIndexer );
      }
  
      @Override
      protected void tearDown()
          throws Exception
      {
          unprepareNexusIndexer( nexusIndexer );
          super.tearDown();
          // TODO: Brian reported, does not work on Windows because of left open files?
          // FileUtils.deleteDirectory( indexDir );
      }
  
      protected abstract void prepareNexusIndexer( NexusIndexer nexusIndexer )
          throws Exception;
  
      protected void unprepareNexusIndexer( NexusIndexer nexusIndexer )
          throws Exception
      {
          nexusIndexer.removeIndexingContext( context, false );
      }
  
      protected void assertGroup( int expected, String group, IndexingContext context )
          throws IOException
      {
          // ArtifactInfo.UINFO - UN_TOKENIZED
          // ArtifactInfo.GROUP_ID - TOKENIZED
  
          Term term = new Term( ArtifactInfo.GROUP_ID, group );
          PrefixQuery pq = new PrefixQuery( term );
  
          // new WildcardQuery( //
          // SpanTermQuery pq = new SpanTermQuery( term );
          // PhraseQuery pq = new PhraseQuery();
          // pq.add( new Term( ArtifactInfo.UINFO, group + "*" ) );
  
          FlatSearchResponse response = nexusIndexer.searchFlat( new FlatSearchRequest( pq, context ) );
          Collection<ArtifactInfo> artifacts = response.getResults();
          assertEquals( artifacts.toString(), expected, artifacts.size() );
      }
  
  }