testsimpleexplanations.java

Lucene a java open-source SearchEngine Framework

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.
 */

/**
 * TestExplanations subclass focusing on basic query types
 */
public class TestSimpleExplanations extends TestExplanations {

  // we focus on queries that don't rewrite to other queries.
  // if we get those covered well, then the ones that rewrite should
  // also be covered.
  

  /* simple term tests */
  
  public void testT1() throws Exception {
    qtest("w1", new int[] { 0,1,2,3 });
  }
  public void testT2() throws Exception {
    qtest("w1^1000", new int[] { 0,1,2,3 });
  }
  
  /* MatchAllDocs */
  
  public void testMA1() throws Exception {
    qtest(new MatchAllDocsQuery(), new int[] { 0,1,2,3 });
  }
  public void testMA2() throws Exception {
    Query q=new MatchAllDocsQuery();
    q.setBoost(1000);
    qtest(q, new int[] { 0,1,2,3 });
  }

  /* some simple phrase tests */
  
  public void testP1() throws Exception {
    qtest("\"w1 w2\"", new int[] { 0 });
  }
  public void testP2() throws Exception {
    qtest("\"w1 w3\"", new int[] { 1,3 });
  }
  public void testP3() throws Exception {
    qtest("\"w1 w2\"~1", new int[] { 0,1,2 });
  }
  public void testP4() throws Exception {
    qtest("\"w2 w3\"~1", new int[] { 0,1,2,3 });
  }
  public void testP5() throws Exception {
    qtest("\"w3 w2\"~1", new int[] { 1,3 });
  }
  public void testP6() throws Exception {
    qtest("\"w3 w2\"~2", new int[] { 0,1,3 });
  }
  public void testP7() throws Exception {
    qtest("\"w3 w2\"~3", new int[] { 0,1,2,3 });
  }

  /* some simple filtered query tests */
  
  public void testFQ1() throws Exception {
    qtest(new FilteredQuery(qp.parse("w1"),
                            new ItemizedFilter(new int[] {0,1,2,3})),
          new int[] {0,1,2,3});
  }
  public void testFQ2() throws Exception {
    qtest(new FilteredQuery(qp.parse("w1"),
                            new ItemizedFilter(new int[] {0,2,3})),
          new int[] {0,2,3});
  }
  public void testFQ3() throws Exception {
    qtest(new FilteredQuery(qp.parse("xx"),
                            new ItemizedFilter(new int[] {1,3})),
          new int[] {3});
  }
  public void testFQ4() throws Exception {
    qtest(new FilteredQuery(qp.parse("xx^1000"),
                            new ItemizedFilter(new int[] {1,3})),
          new int[] {3});
  }
  public void testFQ6() throws Exception {
    Query q = new FilteredQuery(qp.parse("xx"),
                                new ItemizedFilter(new int[] {1,3}));
    q.setBoost(1000);
    qtest(q, new int[] {3});
  }

  /* ConstantScoreQueries */
  
  public void testCSQ1() throws Exception {
    Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] {0,1,2,3}));
    qtest(q, new int[] {0,1,2,3});
  }
  public void testCSQ2() throws Exception {
    Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] {1,3}));
    qtest(q, new int[] {1,3});
  }
  public void testCSQ3() throws Exception {
    Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] {0,2}));
    q.setBoost(1000);
    qtest(q, new int[] {0,2});
  }
  
  /* DisjunctionMaxQuery */
  
  public void testDMQ1() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.0f);
    q.add(qp.parse("w1"));
    q.add(qp.parse("w5"));
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testDMQ2() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("w1"));
    q.add(qp.parse("w5"));
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testDMQ3() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("QQ"));
    q.add(qp.parse("w5"));
    qtest(q, new int[] { 0 });
  }
  public void testDMQ4() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("QQ"));
    q.add(qp.parse("xx"));
    qtest(q, new int[] { 2,3 });
  }
  public void testDMQ5() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("yy -QQ"));
    q.add(qp.parse("xx"));
    qtest(q, new int[] { 2,3 });
  }
  public void testDMQ6() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("-yy w3"));
    q.add(qp.parse("xx"));
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testDMQ7() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("-yy w3"));
    q.add(qp.parse("w2"));
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testDMQ8() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("yy w5^100"));
    q.add(qp.parse("xx^100000"));
    qtest(q, new int[] { 0,2,3 });
  }
  public void testDMQ9() throws Exception {
    DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
    q.add(qp.parse("yy w5^100"));
    q.add(qp.parse("xx^0"));
    qtest(q, new int[] { 0,2,3 });
  }
  
  /* MultiPhraseQuery */
  
  public void testMPQ1() throws Exception {
    MultiPhraseQuery q = new MultiPhraseQuery();
    q.add(ta(new String[] {"w1"}));
    q.add(ta(new String[] {"w2","w3", "xx"}));
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testMPQ2() throws Exception {
    MultiPhraseQuery q = new MultiPhraseQuery();
    q.add(ta(new String[] {"w1"}));
    q.add(ta(new String[] {"w2","w3"}));
    qtest(q, new int[] { 0,1,3 });
  }
  public void testMPQ3() throws Exception {
    MultiPhraseQuery q = new MultiPhraseQuery();
    q.add(ta(new String[] {"w1","xx"}));
    q.add(ta(new String[] {"w2","w3"}));
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testMPQ4() throws Exception {
    MultiPhraseQuery q = new MultiPhraseQuery();
    q.add(ta(new String[] {"w1"}));
    q.add(ta(new String[] {"w2"}));
    qtest(q, new int[] { 0 });
  }
  public void testMPQ5() throws Exception {
    MultiPhraseQuery q = new MultiPhraseQuery();
    q.add(ta(new String[] {"w1"}));
    q.add(ta(new String[] {"w2"}));
    q.setSlop(1);
    qtest(q, new int[] { 0,1,2 });
  }
  public void testMPQ6() throws Exception {
    MultiPhraseQuery q = new MultiPhraseQuery();
    q.add(ta(new String[] {"w1","w3"}));
    q.add(ta(new String[] {"w2"}));
    q.setSlop(1);
    qtest(q, new int[] { 0,1,2,3 });
  }

  /* some simple tests of boolean queries containing term queries */
  
  public void testBQ1() throws Exception {
    qtest("+w1 +w2", new int[] { 0,1,2,3 });
  }
  public void testBQ2() throws Exception {
    qtest("+yy +w3", new int[] { 2,3 });
  }
  public void testBQ3() throws Exception {
    qtest("yy +w3", new int[] { 0,1,2,3 });
  }
  public void testBQ4() throws Exception {
    qtest("w1 (-xx w2)", new int[] { 0,1,2,3 });
  }
  public void testBQ5() throws Exception {
    qtest("w1 (+qq w2)", new int[] { 0,1,2,3 });
  }
  public void testBQ6() throws Exception {
    qtest("w1 -(-qq w5)", new int[] { 1,2,3 });
  }
  public void testBQ7() throws Exception {
    qtest("+w1 +(qq (xx -w2) (+w3 +w4))", new int[] { 0 });
  }
  public void testBQ8() throws Exception {
    qtest("+w1 (qq (xx -w2) (+w3 +w4))", new int[] { 0,1,2,3 });
  }
  public void testBQ9() throws Exception {
    qtest("+w1 (qq (-xx w2) -(+w3 +w4))", new int[] { 0,1,2,3 });
  }
  public void testBQ10() throws Exception {
    qtest("+w1 +(qq (-xx w2) -(+w3 +w4))", new int[] { 1 });
  }
  public void testBQ11() throws Exception {
    qtest("w1 w2^1000.0", new int[] { 0,1,2,3 });
  }
  public void testBQ14() throws Exception {
    BooleanQuery q = new BooleanQuery(true);
    q.add(qp.parse("QQQQQ"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("w1"), BooleanClause.Occur.SHOULD);
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testBQ15() throws Exception {
    BooleanQuery q = new BooleanQuery(true);
    q.add(qp.parse("QQQQQ"), BooleanClause.Occur.MUST_NOT);
    q.add(qp.parse("w1"), BooleanClause.Occur.SHOULD);
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testBQ16() throws Exception {
    BooleanQuery q = new BooleanQuery(true);
    q.add(qp.parse("QQQQQ"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("w1 -xx"), BooleanClause.Occur.SHOULD);
    qtest(q, new int[] { 0,1 });
  }
  public void testBQ17() throws Exception {
    BooleanQuery q = new BooleanQuery(true);
    q.add(qp.parse("w2"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("w1 -xx"), BooleanClause.Occur.SHOULD);
    qtest(q, new int[] { 0,1,2,3 });
  }
  public void testBQ19() throws Exception {
    qtest("-yy w3", new int[] { 0,1 });
  }
  
  public void testBQ20() throws Exception {
    BooleanQuery q = new BooleanQuery();
    q.setMinimumNumberShouldMatch(2);
    q.add(qp.parse("QQQQQ"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("yy"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("zz"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("w5"), BooleanClause.Occur.SHOULD);
    q.add(qp.parse("w4"), BooleanClause.Occur.SHOULD);
    
    qtest(q, new int[] { 0,3 });
    
  }
  
  
}