package org.apache.lucene.queryparser.xml;
/*
* 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.
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import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockTokenFilter;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.IntField;
import org.apache.lucene.index.AtomicReaderContext;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.search.DisjunctionMaxQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.Version;
import org.junit.AfterClass;
import org.junit.Assume;
import org.junit.BeforeClass;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;
public class TestParser extends LuceneTestCase {
private static CoreParser builder;
private static Directory dir;
private static IndexReader reader;
private static IndexSearcher searcher;
@BeforeClass
public static void beforeClass() throws Exception {
// TODO: rewrite test (this needs to set QueryParser.enablePositionIncrements, too, for work with CURRENT):
Analyzer analyzer = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, true, MockTokenFilter.ENGLISH_STOPSET);
//initialize the parser
builder = new CorePlusExtensionsParser("contents", analyzer);
BufferedReader d = new BufferedReader(new InputStreamReader(
TestParser.class.getResourceAsStream("reuters21578.txt"), "US-ASCII"));
dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
String line = d.readLine();
while (line != null) {
int endOfDate = line.indexOf('\t');
String date = line.substring(0, endOfDate).trim();
String content = line.substring(endOfDate).trim();
Document doc = new Document();
doc.add(newTextField("date", date, Field.Store.YES));
doc.add(newTextField("contents", content, Field.Store.YES));
doc.add(new IntField("date2", Integer.valueOf(date), Field.Store.NO));
writer.addDocument(doc);
line = d.readLine();
}
d.close();
writer.close();
reader = DirectoryReader.open(dir);
searcher = newSearcher(reader);
}
@AfterClass
public static void afterClass() throws Exception {
reader.close();
dir.close();
reader = null;
searcher = null;
dir = null;
builder = null;
}
public void testSimpleXML() throws ParserException, IOException {
Query q = parse("TermQuery.xml");
dumpResults("TermQuery", q, 5);
}
public void testSimpleTermsQueryXML() throws ParserException, IOException {
Query q = parse("TermsQuery.xml");
dumpResults("TermsQuery", q, 5);
}
public void testBooleanQueryXML() throws ParserException, IOException {
Query q = parse("BooleanQuery.xml");
dumpResults("BooleanQuery", q, 5);
}
public void testDisjunctionMaxQueryXML() throws ParserException, IOException {
Query q = parse("DisjunctionMaxQuery.xml");
assertTrue(q instanceof DisjunctionMaxQuery);
DisjunctionMaxQuery d = (DisjunctionMaxQuery)q;
assertEquals(0.0f, d.getTieBreakerMultiplier(), 0.0001f);
assertEquals(2, d.getDisjuncts().size());
DisjunctionMaxQuery ndq = (DisjunctionMaxQuery) d.getDisjuncts().get(1);
assertEquals(1.2f, ndq.getTieBreakerMultiplier(), 0.0001f);
assertEquals(1, ndq.getDisjuncts().size());
}
public void testRangeFilterQueryXML() throws ParserException, IOException {
Query q = parse("RangeFilterQuery.xml");
dumpResults("RangeFilter", q, 5);
}
public void testUserQueryXML() throws ParserException, IOException {
Query q = parse("UserInputQuery.xml");
dumpResults("UserInput with Filter", q, 5);
}
public void testCustomFieldUserQueryXML() throws ParserException, IOException {
Query q = parse("UserInputQueryCustomField.xml");
int h = searcher.search(q, null, 1000).totalHits;
assertEquals("UserInputQueryCustomField should produce 0 result ", 0, h);
}
public void testLikeThisQueryXML() throws Exception {
Query q = parse("LikeThisQuery.xml");
dumpResults("like this", q, 5);
}
public void testBoostingQueryXML() throws Exception {
Query q = parse("BoostingQuery.xml");
dumpResults("boosting ", q, 5);
}
public void testFuzzyLikeThisQueryXML() throws Exception {
Query q = parse("FuzzyLikeThisQuery.xml");
//show rewritten fuzzyLikeThisQuery - see what is being matched on
if (VERBOSE) {
System.out.println(q.rewrite(reader));
}
dumpResults("FuzzyLikeThis", q, 5);
}
public void testTermsFilterXML() throws Exception {
Query q = parse("TermsFilterQuery.xml");
dumpResults("Terms Filter", q, 5);
}
public void testBoostingTermQueryXML() throws Exception {
Query q = parse("BoostingTermQuery.xml");
dumpResults("BoostingTermQuery", q, 5);
}
public void testSpanTermXML() throws Exception {
Query q = parse("SpanQuery.xml");
dumpResults("Span Query", q, 5);
}
public void testConstantScoreQueryXML() throws Exception {
Query q = parse("ConstantScoreQuery.xml");
dumpResults("ConstantScoreQuery", q, 5);
}
public void testMatchAllDocsPlusFilterXML() throws ParserException, IOException {
Query q = parse("MatchAllDocsQuery.xml");
dumpResults("MatchAllDocsQuery with range filter", q, 5);
}
public void testBooleanFilterXML() throws ParserException, IOException {
Query q = parse("BooleanFilter.xml");
dumpResults("Boolean filter", q, 5);
}
public void testNestedBooleanQuery() throws ParserException, IOException {
Query q = parse("NestedBooleanQuery.xml");
dumpResults("Nested Boolean query", q, 5);
}
public void testCachedFilterXML() throws ParserException, IOException {
Query q = parse("CachedFilter.xml");
dumpResults("Cached filter", q, 5);
}
public void testDuplicateFilterQueryXML() throws ParserException, IOException {
List<AtomicReaderContext> leaves = searcher.getTopReaderContext().leaves();
Assume.assumeTrue(leaves.size() == 1);
Query q = parse("DuplicateFilterQuery.xml");
int h = searcher.search(q, null, 1000).totalHits;
assertEquals("DuplicateFilterQuery should produce 1 result ", 1, h);
}
public void testNumericRangeFilterQueryXML() throws ParserException, IOException {
Query q = parse("NumericRangeFilterQuery.xml");
dumpResults("NumericRangeFilter", q, 5);
}
public void testNumericRangeQueryQueryXML() throws ParserException, IOException {
Query q = parse("NumericRangeQueryQuery.xml");
dumpResults("NumericRangeQuery", q, 5);
}
//================= Helper methods ===================================
private Query parse(String xmlFileName) throws ParserException, IOException {
InputStream xmlStream = TestParser.class.getResourceAsStream(xmlFileName);
Query result = builder.parse(xmlStream);
xmlStream.close();
return result;
}
private void dumpResults(String qType, Query q, int numDocs) throws IOException {
if (VERBOSE) {
System.out.println("TEST: query=" + q);
}
TopDocs hits = searcher.search(q, null, numDocs);
assertTrue(qType + " should produce results ", hits.totalHits > 0);
if (VERBOSE) {
System.out.println("=========" + qType + "============");
ScoreDoc[] scoreDocs = hits.scoreDocs;
for (int i = 0; i < Math.min(numDocs, hits.totalHits); i++) {
Document ldoc = searcher.doc(scoreDocs[i].doc);
System.out.println("[" + ldoc.get("date") + "]" + ldoc.get("contents"));
}
System.out.println();
}
}
}