solr/core/src/test/org/apache/solr/highlight/FastVectorHighlighterTest.java

/*
 * 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
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package org.apache.solr.highlight;

import java.util.HashMap;

import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.handler.component.HighlightComponent;
import org.apache.solr.util.TestHarness;
import org.junit.BeforeClass;
import org.junit.Test;

public class FastVectorHighlighterTest extends SolrTestCaseJ4 {

  @BeforeClass
  public static void beforeClass() throws Exception {
    initCore("solrconfig.xml","schema.xml");
  }
  
  @Test
  public void testConfig(){
    DefaultSolrHighlighter highlighter = (DefaultSolrHighlighter) HighlightComponent.getHighlighter(h.getCore());

    // Make sure we loaded one fragListBuilder
    SolrFragListBuilder solrFlbNull = highlighter.fragListBuilders.get( null );
    SolrFragListBuilder solrFlbEmpty = highlighter.fragListBuilders.get( "" );
    SolrFragListBuilder solrFlbSimple = highlighter.fragListBuilders.get( "simple" );
    assertSame( solrFlbNull, solrFlbEmpty );
    assertTrue( solrFlbNull instanceof SimpleFragListBuilder );
    assertTrue( solrFlbSimple instanceof SimpleFragListBuilder );
        
    // Make sure we loaded two fragmentsBuilders
    SolrFragmentsBuilder solrFbNull = highlighter.fragmentsBuilders.get( null );
    SolrFragmentsBuilder solrFbEmpty = highlighter.fragmentsBuilders.get( "" );
    SolrFragmentsBuilder solrFbSimple = highlighter.fragmentsBuilders.get( "simple" );
    SolrFragmentsBuilder solrFbSO = highlighter.fragmentsBuilders.get( "scoreOrder" );
    assertSame( solrFbNull, solrFbEmpty );
    assertTrue( solrFbNull instanceof SimpleFragmentsBuilder );
    assertTrue( solrFbSimple instanceof SimpleFragmentsBuilder );
    assertTrue( solrFbSO instanceof ScoreOrderFragmentsBuilder );
    
    // Make sure we loaded two boundaryScanners
    SolrBoundaryScanner solrBsNull = highlighter.boundaryScanners.get(null);
    SolrBoundaryScanner solrBsEmpty = highlighter.boundaryScanners.get("");
    SolrBoundaryScanner solrBsSimple = highlighter.boundaryScanners.get("simple");
    SolrBoundaryScanner solrBsBI = highlighter.boundaryScanners.get("breakIterator");
    assertSame(solrBsNull, solrBsEmpty);
    assertTrue(solrBsNull instanceof SimpleBoundaryScanner);
    assertTrue(solrBsSimple instanceof SimpleBoundaryScanner);
    assertTrue(solrBsBI instanceof BreakIteratorBoundaryScanner);
  }

  @Test
  public void test() {
    HashMap<String,String> args = new HashMap<>();
    args.put("hl", "true");
    args.put("hl.fl", "tv_text");
    args.put("hl.snippets", "2");
    args.put("hl.tag.pre", "<fvpre>"); //... and let post default to </em>. This is just a test.
    if (random().nextBoolean()) {
      args.put("hl.useFastVectorHighlighter", "true"); // old way
    } else {
      args.put("hl.method", "fastVector"); // the new way
    }
    TestHarness.LocalRequestFactory sumLRF = h.getRequestFactory(
      "",0,200,args);
    
    assertU(adoc("tv_text", "basic fast vector highlighter test", 
                 "id", "1"));
    assertU(commit());
    assertU(optimize());
    assertQ("Basic summarization",
            sumLRF.makeRequest("tv_text:vector"),
            "//lst[@name='highlighting']/lst[@name='1']",
            "//lst[@name='1']/arr[@name='tv_text']/str[.='basic fast <fvpre>vector</em> highlighter test']"
            );
  }
}