--- /dev/null
+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.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.MockTokenizer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.BooleanClause.Occur;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class BooleanFilterTest extends LuceneTestCase {
+ private Directory directory;
+ private IndexReader reader;
+
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ directory = newDirectory();
+ RandomIndexWriter writer = new RandomIndexWriter(random, directory, new MockAnalyzer(random, MockTokenizer.WHITESPACE, false));
+
+ //Add series of docs with filterable fields : acces rights, prices, dates and "in-stock" flags
+ addDoc(writer, "admin guest", "010", "20040101","Y");
+ addDoc(writer, "guest", "020", "20040101","Y");
+ addDoc(writer, "guest", "020", "20050101","Y");
+ addDoc(writer, "admin", "020", "20050101","Maybe");
+ addDoc(writer, "admin guest", "030", "20050101","N");
+ reader = writer.getReader();
+ writer.close();
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ reader.close();
+ directory.close();
+ super.tearDown();
+ }
+
+ private void addDoc(RandomIndexWriter writer, String accessRights, String price, String date, String inStock) throws IOException
+ {
+ Document doc=new Document();
+ doc.add(newField("accessRights",accessRights,Field.Store.YES,Field.Index.ANALYZED));
+ doc.add(newField("price",price,Field.Store.YES,Field.Index.ANALYZED));
+ doc.add(newField("date",date,Field.Store.YES,Field.Index.ANALYZED));
+ doc.add(newField("inStock",inStock,Field.Store.YES,Field.Index.ANALYZED));
+ writer.addDocument(doc);
+ }
+
+ private Filter getRangeFilter(String field,String lowerPrice, String upperPrice)
+ {
+ Filter f = new TermRangeFilter(field,lowerPrice,upperPrice,true,true);
+ return f;
+ }
+
+ private Filter getTermsFilter(String field, String text) {
+ TermsFilter tf = new TermsFilter();
+ tf.addTerm(new Term(field, text));
+
+ return tf;
+ }
+
+ private Filter getWrappedTermQuery(String field, String text) {
+ return new QueryWrapperFilter(new TermQuery(new Term(field, text)));
+ }
+
+ private Filter getNullDISFilter() {
+ return new Filter() {
+ @Override
+ public DocIdSet getDocIdSet(IndexReader context) {
+ return null;
+ }
+ };
+ }
+
+ private Filter getNullDISIFilter() {
+ return new Filter() {
+ @Override
+ public DocIdSet getDocIdSet(IndexReader context) {
+ return new DocIdSet() {
+ @Override
+ public DocIdSetIterator iterator() {
+ return null;
+ }
+
+ @Override
+ public boolean isCacheable() {
+ return true;
+ }
+ };
+ }
+ };
+ }
+
+ private void tstFilterCard(String mes, int expected, Filter filt)
+ throws Exception {
+ // BooleanFilter never returns null DIS or null DISI!
+ DocIdSetIterator disi = filt.getDocIdSet(reader).iterator();
+ int actual = 0;
+ while (disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) {
+ actual++;
+ }
+ assertEquals(mes, expected, actual);
+ }
+
+
+ public void testShould() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.SHOULD);
+ tstFilterCard("Should retrieves only 1 doc", 1, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getWrappedTermQuery("price", "030"), Occur.SHOULD);
+ tstFilterCard("Should retrieves only 1 doc", 1, booleanFilter);
+ }
+
+ public void testShoulds() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "010", "020"), Occur.SHOULD);
+ booleanFilter.add(getRangeFilter("price", "020", "030"), Occur.SHOULD);
+ tstFilterCard("Shoulds are Ored together", 5, booleanFilter);
+ }
+
+ public void testShouldsAndMustNot() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "010", "020"), Occur.SHOULD);
+ booleanFilter.add(getRangeFilter("price", "020", "030"), Occur.SHOULD);
+ booleanFilter.add(getTermsFilter("inStock", "N"), Occur.MUST_NOT);
+ tstFilterCard("Shoulds Ored but AndNot", 4, booleanFilter);
+
+ booleanFilter.add(getTermsFilter("inStock", "Maybe"), Occur.MUST_NOT);
+ tstFilterCard("Shoulds Ored but AndNots", 3, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "010", "020"), Occur.SHOULD);
+ booleanFilter.add(getRangeFilter("price", "020", "030"), Occur.SHOULD);
+ booleanFilter.add(getWrappedTermQuery("inStock", "N"), Occur.MUST_NOT);
+ tstFilterCard("Shoulds Ored but AndNot", 4, booleanFilter);
+
+ booleanFilter.add(getWrappedTermQuery("inStock", "Maybe"), Occur.MUST_NOT);
+ tstFilterCard("Shoulds Ored but AndNots", 3, booleanFilter);
+ }
+
+ public void testShouldsAndMust() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "010", "020"), Occur.SHOULD);
+ booleanFilter.add(getRangeFilter("price", "020", "030"), Occur.SHOULD);
+ booleanFilter.add(getTermsFilter("accessRights", "admin"), Occur.MUST);
+ tstFilterCard("Shoulds Ored but MUST", 3, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "010", "020"), Occur.SHOULD);
+ booleanFilter.add(getRangeFilter("price", "020", "030"), Occur.SHOULD);
+ booleanFilter.add(getWrappedTermQuery("accessRights", "admin"), Occur.MUST);
+ tstFilterCard("Shoulds Ored but MUST", 3, booleanFilter);
+ }
+
+ public void testShouldsAndMusts() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "010", "020"), Occur.SHOULD);
+ booleanFilter.add(getRangeFilter("price", "020", "030"), Occur.SHOULD);
+ booleanFilter.add(getTermsFilter("accessRights", "admin"), Occur.MUST);
+ booleanFilter.add(getRangeFilter("date", "20040101", "20041231"), Occur.MUST);
+ tstFilterCard("Shoulds Ored but MUSTs ANDED", 1, booleanFilter);
+ }
+
+ public void testShouldsAndMustsAndMustNot() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "030", "040"), Occur.SHOULD);
+ booleanFilter.add(getTermsFilter("accessRights", "admin"), Occur.MUST);
+ booleanFilter.add(getRangeFilter("date", "20050101", "20051231"), Occur.MUST);
+ booleanFilter.add(getTermsFilter("inStock", "N"), Occur.MUST_NOT);
+ tstFilterCard("Shoulds Ored but MUSTs ANDED and MustNot", 0, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getRangeFilter("price", "030", "040"), Occur.SHOULD);
+ booleanFilter.add(getWrappedTermQuery("accessRights", "admin"), Occur.MUST);
+ booleanFilter.add(getRangeFilter("date", "20050101", "20051231"), Occur.MUST);
+ booleanFilter.add(getWrappedTermQuery("inStock", "N"), Occur.MUST_NOT);
+ tstFilterCard("Shoulds Ored but MUSTs ANDED and MustNot", 0, booleanFilter);
+ }
+
+ public void testJustMust() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("accessRights", "admin"), Occur.MUST);
+ tstFilterCard("MUST", 3, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getWrappedTermQuery("accessRights", "admin"), Occur.MUST);
+ tstFilterCard("MUST", 3, booleanFilter);
+ }
+
+ public void testJustMustNot() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("inStock", "N"), Occur.MUST_NOT);
+ tstFilterCard("MUST_NOT", 4, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getWrappedTermQuery("inStock", "N"), Occur.MUST_NOT);
+ tstFilterCard("MUST_NOT", 4, booleanFilter);
+ }
+
+ public void testMustAndMustNot() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("inStock", "N"), Occur.MUST);
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.MUST_NOT);
+ tstFilterCard("MUST_NOT wins over MUST for same docs", 0, booleanFilter);
+
+ // same with a real DISI (no OpenBitSetIterator)
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getWrappedTermQuery("inStock", "N"), Occur.MUST);
+ booleanFilter.add(getWrappedTermQuery("price", "030"), Occur.MUST_NOT);
+ tstFilterCard("MUST_NOT wins over MUST for same docs", 0, booleanFilter);
+ }
+
+ public void testEmpty() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ tstFilterCard("empty BooleanFilter returns no results", 0, booleanFilter);
+ }
+
+ public void testCombinedNullDocIdSets() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.MUST);
+ booleanFilter.add(getNullDISFilter(), Occur.MUST);
+ tstFilterCard("A MUST filter that returns a null DIS should never return documents", 0, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.MUST);
+ booleanFilter.add(getNullDISIFilter(), Occur.MUST);
+ tstFilterCard("A MUST filter that returns a null DISI should never return documents", 0, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.SHOULD);
+ booleanFilter.add(getNullDISFilter(), Occur.SHOULD);
+ tstFilterCard("A SHOULD filter that returns a null DIS should be invisible", 1, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.SHOULD);
+ booleanFilter.add(getNullDISIFilter(), Occur.SHOULD);
+ tstFilterCard("A SHOULD filter that returns a null DISI should be invisible", 1, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.MUST);
+ booleanFilter.add(getNullDISFilter(), Occur.MUST_NOT);
+ tstFilterCard("A MUST_NOT filter that returns a null DIS should be invisible", 1, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getTermsFilter("price", "030"), Occur.MUST);
+ booleanFilter.add(getNullDISIFilter(), Occur.MUST_NOT);
+ tstFilterCard("A MUST_NOT filter that returns a null DISI should be invisible", 1, booleanFilter);
+ }
+
+ public void testJustNullDocIdSets() throws Exception {
+ BooleanFilter booleanFilter = new BooleanFilter();
+ booleanFilter.add(getNullDISFilter(), Occur.MUST);
+ tstFilterCard("A MUST filter that returns a null DIS should never return documents", 0, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getNullDISIFilter(), Occur.MUST);
+ tstFilterCard("A MUST filter that returns a null DISI should never return documents", 0, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getNullDISFilter(), Occur.SHOULD);
+ tstFilterCard("A single SHOULD filter that returns a null DIS should never return documents", 0, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getNullDISIFilter(), Occur.SHOULD);
+ tstFilterCard("A single SHOULD filter that returns a null DISI should never return documents", 0, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getNullDISFilter(), Occur.MUST_NOT);
+ tstFilterCard("A single MUST_NOT filter that returns a null DIS should be invisible", 5, booleanFilter);
+
+ booleanFilter = new BooleanFilter();
+ booleanFilter.add(getNullDISIFilter(), Occur.MUST_NOT);
+ tstFilterCard("A single MUST_NOT filter that returns a null DIS should be invisible", 5, booleanFilter);
+ }
+}
fnp / pylucene.git / blobdiff