/**
* Copyright 2014 National University of Ireland, Galway.
*
* This file is part of the SIREn project. Project and contact information:
*
* https://github.com/rdelbru/SIREn
*
* 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 language governing permissions and
* limitations under the License.
*/
package org.sindice.siren.search.node;
import static org.sindice.siren.analysis.MockSirenToken.node;
import static org.sindice.siren.search.AbstractTestSirenScorer.BooleanClauseBuilder.should;
import static org.sindice.siren.search.AbstractTestSirenScorer.NodeBooleanQueryBuilder.nbq;
import java.io.IOException;
import java.util.ArrayList;
import org.junit.Test;
import org.sindice.siren.analysis.AnyURIAnalyzer;
import org.sindice.siren.analysis.TupleAnalyzer;
import org.sindice.siren.analysis.AnyURIAnalyzer.URINormalisation;
import org.sindice.siren.index.DocsAndNodesIterator;
import org.sindice.siren.index.codecs.RandomSirenCodec.PostingsFormatType;
import org.sindice.siren.search.AbstractTestSirenScorer;
import org.sindice.siren.util.XSDDatatype;
public class TestNodeDisjunctionScorer extends AbstractTestSirenScorer {
@Override
protected void configure() throws IOException {
this.setAnalyzer(AnalyzerType.TUPLE);
// TODO: remove when TupleAnalyzer is no more used
final AnyURIAnalyzer uriAnalyzer = new AnyURIAnalyzer(TEST_VERSION_CURRENT);
uriAnalyzer.setUriNormalisation(URINormalisation.FULL);
((TupleAnalyzer) analyzer).registerDatatype(XSDDatatype.XSD_ANY_URI.toCharArray(), uriAnalyzer);
this.setPostingsFormat(PostingsFormatType.RANDOM);
}
@Test
public void testNextCandidateNextNode() throws Exception {
this.addDocuments(
"<http://renaud.delbru.fr/> . ",
"<http://sindice.com/test/name> \"Renaud Delbru\" . ",
"<http://sindice.com/test/type> <http://sindice.com/test/Person> . ",
"<aaa> <bbb> . <http://sindice.com/test/name> \"R. Delbru\" . "
);
final NodeScorer scorer = this.getScorer(
nbq(should("renaud"), should("delbru"))
);
assertTrue(scorer.nextCandidateDocument());
assertEquals(0, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
final float d0score00 = scorer.scoreInNode();
final float d0freq00 = scorer.freqInNode();
assertFalse(scorer.nextNode());
assertEquals(DocsAndNodesIterator.NO_MORE_NOD, scorer.node());
assertTrue(scorer.nextCandidateDocument());
assertEquals(1, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,1), scorer.node());
final float d1score01 = scorer.scoreInNode();
final float d1freq01 = scorer.freqInNode();
assertEquals(d0freq00, d1freq01, 0);
assertFalse(scorer.nextNode());
assertEquals(DocsAndNodesIterator.NO_MORE_NOD, scorer.node());
assertTrue(scorer.nextCandidateDocument());
assertEquals(3, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(1,1), scorer.node());
// only one term is matched in the node
final float d3score11 = scorer.scoreInNode();
final float d3freq11 = scorer.freqInNode();
assertTrue(d0freq00 > d3freq11);
assertTrue(d1freq01 > d3freq11);
assertTrue(d3score11 + " < " + d1score01, d3score11 < d1score01);
assertTrue(d3score11 + " < " + d0score00, d3score11 < d0score00);
assertFalse(scorer.nextNode());
assertEquals(DocsAndNodesIterator.NO_MORE_NOD, scorer.node());
assertEndOfStream(scorer);
}
@Test
public void testSkipToCandidateNextNode() throws Exception {
final ArrayList<String> docs = new ArrayList<String>();
for (int i = 0; i < 16; i++) {
docs.add("\"aaa bbb\" \"aaa ccc\" . \"ccc\" \"bbb ccc\" .");
docs.add("\"aaa ccc bbb\" . \"aaa aaa ccc bbb bbb\" . ");
}
this.addDocuments(docs);
final NodeScorer scorer = this.getScorer(
nbq(should("aaa"), should("bbb"))
);
assertTrue(scorer.nextCandidateDocument());
assertEquals(0, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
assertTrue(scorer.skipToCandidate(16));
assertEquals(16, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
assertTrue(scorer.nextCandidateDocument());
assertEquals(17, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
assertTrue(scorer.skipToCandidate(20));
assertEquals(20, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
assertTrue(scorer.nextCandidateDocument());
assertEquals(21, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
assertTrue(scorer.skipToCandidate(30));
assertEquals(30, scorer.doc());
assertEquals(node(-1), scorer.node());
assertTrue(scorer.nextNode());
assertEquals(node(0,0), scorer.node());
assertFalse(scorer.skipToCandidate(34));
assertEndOfStream(scorer);
}
}