package org.apache.lucene.search.spans;
/*
* 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 org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockTokenFilter;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.IndexWriterConfig.OpenMode;
import org.apache.lucene.search.*;
import org.apache.lucene.search.similarities.DefaultSimilarity;
/*******************************************************************************
* Some expanded tests to make sure my patch doesn't break other SpanTermQuery
* functionality.
*
*/
public class TestSpansAdvanced2 extends TestSpansAdvanced {
IndexSearcher searcher2;
IndexReader reader2;
/**
* Initializes the tests by adding documents to the index.
*/
@Override
public void setUp() throws Exception {
super.setUp();
// create test index
final RandomIndexWriter writer = new RandomIndexWriter(random(), mDirectory,
newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random(),
MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET, true))
.setOpenMode(OpenMode.APPEND).setMergePolicy(newLogMergePolicy())
.setSimilarity(new DefaultSimilarity()));
addDocument(writer, "A", "Should we, could we, would we?");
addDocument(writer, "B", "It should. Should it?");
addDocument(writer, "C", "It shouldn't.");
addDocument(writer, "D", "Should we, should we, should we.");
reader2 = writer.getReader();
writer.close();
// re-open the searcher since we added more docs
searcher2 = newSearcher(reader2);
searcher2.setSimilarity(new DefaultSimilarity());
}
@Override
public void tearDown() throws Exception {
reader2.close();
super.tearDown();
}
/**
* Verifies that the index has the correct number of documents.
*/
public void testVerifyIndex() throws Exception {
final IndexReader reader = DirectoryReader.open(mDirectory);
assertEquals(8, reader.numDocs());
reader.close();
}
/**
* Tests a single span query that matches multiple documents.
*/
public void testSingleSpanQuery() throws IOException {
final Query spanQuery = new SpanTermQuery(new Term(FIELD_TEXT, "should"));
final String[] expectedIds = new String[] {"B", "D", "1", "2", "3", "4",
"A"};
final float[] expectedScores = new float[] {0.625f, 0.45927936f,
0.35355338f, 0.35355338f, 0.35355338f, 0.35355338f, 0.26516503f,};
assertHits(searcher2, spanQuery, "single span query", expectedIds,
expectedScores);
}
/**
* Tests a single span query that matches multiple documents.
*/
public void testMultipleDifferentSpanQueries() throws IOException {
final Query spanQuery1 = new SpanTermQuery(new Term(FIELD_TEXT, "should"));
final Query spanQuery2 = new SpanTermQuery(new Term(FIELD_TEXT, "we"));
final BooleanQuery query = new BooleanQuery();
query.add(spanQuery1, BooleanClause.Occur.MUST);
query.add(spanQuery2, BooleanClause.Occur.MUST);
final String[] expectedIds = new String[] {"D", "A"};
// these values were pre LUCENE-413
// final float[] expectedScores = new float[] { 0.93163157f, 0.20698164f };
final float[] expectedScores = new float[] {1.0191123f, 0.93163157f};
assertHits(searcher2, query, "multiple different span queries",
expectedIds, expectedScores);
}
/**
* Tests two span queries.
*/
@Override
public void testBooleanQueryWithSpanQueries() throws IOException {
doTestBooleanQueryWithSpanQueries(searcher2, 0.73500174f);
}
}