testbooleanquery.java

来自「一套java版本的搜索引擎源码」· Java 代码 · 共 55 行

package org.apache.lucene.search;

/**
 * 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 junit.framework.TestCase;
import org.apache.lucene.index.Term;

public class TestBooleanQuery extends TestCase {
  
  public void testEquality() throws Exception {
    BooleanQuery bq1 = new BooleanQuery();
    bq1.add(new TermQuery(new Term("field", "value1")), BooleanClause.Occur.SHOULD);
    bq1.add(new TermQuery(new Term("field", "value2")), BooleanClause.Occur.SHOULD);
    BooleanQuery nested1 = new BooleanQuery();
    nested1.add(new TermQuery(new Term("field", "nestedvalue1")), BooleanClause.Occur.SHOULD);
    nested1.add(new TermQuery(new Term("field", "nestedvalue2")), BooleanClause.Occur.SHOULD);
    bq1.add(nested1, BooleanClause.Occur.SHOULD);

    BooleanQuery bq2 = new BooleanQuery();
    bq2.add(new TermQuery(new Term("field", "value1")), BooleanClause.Occur.SHOULD);
    bq2.add(new TermQuery(new Term("field", "value2")), BooleanClause.Occur.SHOULD);
    BooleanQuery nested2 = new BooleanQuery();
    nested2.add(new TermQuery(new Term("field", "nestedvalue1")), BooleanClause.Occur.SHOULD);
    nested2.add(new TermQuery(new Term("field", "nestedvalue2")), BooleanClause.Occur.SHOULD);
    bq2.add(nested2, BooleanClause.Occur.SHOULD);

    assertEquals(bq1, bq2);
  }

  public void testException() {
    try {
      BooleanQuery.setMaxClauseCount(0);
      fail();
    } catch (IllegalArgumentException e) {
      // okay
    }
  }
  
}