AdvancedQueryParserTest.java

package lia.extsearch.queryparser;

/**
 * Copyright Manning Publications Co.
 *
 * Licensed 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 lan      
*/

import junit.framework.TestCase;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.spans.SpanNearQuery;
import org.apache.lucene.util.Version;

// From chapter 6
public class AdvancedQueryParserTest extends TestCase {
  private Analyzer analyzer = new WhitespaceAnalyzer();

  public void testCustomQueryParser() {
    CustomQueryParser parser =
      new CustomQueryParser(Version.LUCENE_30,
                            "field", analyzer);
    try {
      parser.parse("a?t");
      fail("Wildcard queries should not be allowed");
    } catch (ParseException expected) {
                                         // 1
    }

    try {
      parser.parse("xunit~");
      fail("Fuzzy queries should not be allowed");
    } catch (ParseException expected) {
                                         // 1
    }
  }
  /*
    1 Expected
  */

  public void testPhraseQuery() throws Exception {
    CustomQueryParser parser =
      new CustomQueryParser(Version.LUCENE_30,
                            "field", analyzer);

    Query query = parser.parse("singleTerm");
    assertTrue("TermQuery", query instanceof TermQuery);

    query = parser.parse("\"a phrase\"");
    assertTrue("SpanNearQuery", query instanceof SpanNearQuery);
  }


}