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 java.io.IOException;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
/**
* A basic 'positive' Unit test class for the RangeFilter class.
*
* <p>
* NOTE: at the moment, this class only tests for 'positive' results,
* it does not verify the results to ensure there are no 'false positives',
* nor does it adequately test 'negative' results. It also does not test
* that garbage in results in an Exception.
*/
public class TestRangeFilter extends BaseTestRangeFilter {
public TestRangeFilter(String name) {
super(name);
}
public TestRangeFilter() {
super();
}
public void testRangeFilterId() throws IOException {
IndexReader reader = IndexReader.open(index);
IndexSearcher search = new IndexSearcher(reader);
int medId = ((maxId - minId) / 2);
String minIP = pad(minId);
String maxIP = pad(maxId);
String medIP = pad(medId);
int numDocs = reader.numDocs();
assertEquals("num of docs", numDocs, 1+ maxId - minId);
Hits result;
Query q = new TermQuery(new Term("body","body"));
// test id, bounded on both ends
result = search.search(q,new RangeFilter("id",minIP,maxIP,T,T));
assertEquals("find all", numDocs, result.length());
result = search.search(q,new RangeFilter("id",minIP,maxIP,T,F));
assertEquals("all but last", numDocs-1, result.length());
result = search.search(q,new RangeFilter("id",minIP,maxIP,F,T));
assertEquals("all but first", numDocs-1, result.length());
result = search.search(q,new RangeFilter("id",minIP,maxIP,F,F));
assertEquals("all but ends", numDocs-2, result.length());
result = search.search(q,new RangeFilter("id",medIP,maxIP,T,T));
assertEquals("med and up", 1+ maxId-medId, result.length());
result = search.search(q,new RangeFilter("id",minIP,medIP,T,T));
assertEquals("up to med", 1+ medId-minId, result.length());
// unbounded id
result = search.search(q,new RangeFilter("id",minIP,null,T,F));
assertEquals("min and up", numDocs, result.length());
result = search.search(q,new RangeFilter("id",null,maxIP,F,T));
assertEquals("max and down", numDocs, result.length());
result = search.search(q,new RangeFilter("id",minIP,null,F,F));
assertEquals("not min, but up", numDocs-1, result.length());
result = search.search(q,new RangeFilter("id",null,maxIP,F,F));
assertEquals("not max, but down", numDocs-1, result.length());
result = search.search(q,new RangeFilter("id",medIP,maxIP,T,F));
assertEquals("med and up, not max", maxId-medId, result.length());
result = search.search(q,new RangeFilter("id",minIP,medIP,F,T));
assertEquals("not min, up to med", medId-minId, result.length());
// very small sets
result = search.search(q,new RangeFilter("id",minIP,minIP,F,F));
assertEquals("min,min,F,F", 0, result.length());
result = search.search(q,new RangeFilter("id",medIP,medIP,F,F));
assertEquals("med,med,F,F", 0, result.length());
result = search.search(q,new RangeFilter("id",maxIP,maxIP,F,F));
assertEquals("max,max,F,F", 0, result.length());
result = search.search(q,new RangeFilter("id",minIP,minIP,T,T));
assertEquals("min,min,T,T", 1, result.length());
result = search.search(q,new RangeFilter("id",null,minIP,F,T));
assertEquals("nul,min,F,T", 1, result.length());
result = search.search(q,new RangeFilter("id",maxIP,maxIP,T,T));
assertEquals("max,max,T,T", 1, result.length());
result = search.search(q,new RangeFilter("id",maxIP,null,T,F));
assertEquals("max,nul,T,T", 1, result.length());
result = search.search(q,new RangeFilter("id",medIP,medIP,T,T));
assertEquals("med,med,T,T", 1, result.length());
}
public void testRangeFilterRand() throws IOException {
IndexReader reader = IndexReader.open(index);
IndexSearcher search = new IndexSearcher(reader);
String minRP = pad(minR);
String maxRP = pad(maxR);
int numDocs = reader.numDocs();
assertEquals("num of docs", numDocs, 1+ maxId - minId);
Hits result;
Query q = new TermQuery(new Term("body","body"));
// test extremes, bounded on both ends
result = search.search(q,new RangeFilter("rand",minRP,maxRP,T,T));
assertEquals("find all", numDocs, result.length());
result = search.search(q,new RangeFilter("rand",minRP,maxRP,T,F));
assertEquals("all but biggest", numDocs-1, result.length());
result = search.search(q,new RangeFilter("rand",minRP,maxRP,F,T));
assertEquals("all but smallest", numDocs-1, result.length());
result = search.search(q,new RangeFilter("rand",minRP,maxRP,F,F));
assertEquals("all but extremes", numDocs-2, result.length());
// unbounded
result = search.search(q,new RangeFilter("rand",minRP,null,T,F));
assertEquals("smallest and up", numDocs, result.length());
result = search.search(q,new RangeFilter("rand",null,maxRP,F,T));
assertEquals("biggest and down", numDocs, result.length());
result = search.search(q,new RangeFilter("rand",minRP,null,F,F));
assertEquals("not smallest, but up", numDocs-1, result.length());
result = search.search(q,new RangeFilter("rand",null,maxRP,F,F));
assertEquals("not biggest, but down", numDocs-1, result.length());
// very small sets
result = search.search(q,new RangeFilter("rand",minRP,minRP,F,F));
assertEquals("min,min,F,F", 0, result.length());
result = search.search(q,new RangeFilter("rand",maxRP,maxRP,F,F));
assertEquals("max,max,F,F", 0, result.length());
result = search.search(q,new RangeFilter("rand",minRP,minRP,T,T));
assertEquals("min,min,T,T", 1, result.length());
result = search.search(q,new RangeFilter("rand",null,minRP,F,T));
assertEquals("nul,min,F,T", 1, result.length());
result = search.search(q,new RangeFilter("rand",maxRP,maxRP,T,T));
assertEquals("max,max,T,T", 1, result.length());
result = search.search(q,new RangeFilter("rand",maxRP,null,T,F));
assertEquals("max,nul,T,T", 1, result.length());
}
}
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