--- /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 org.apache.lucene.analysis.standard.StandardAnalyzer;
+
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.queryParser.QueryParser;
+import org.apache.lucene.search.spans.SpanNearQuery;
+import org.apache.lucene.search.spans.SpanQuery;
+import org.apache.lucene.search.spans.SpanTermQuery;
+import org.apache.lucene.store.Directory;
+
+
+/**
+ * TestExplanations subclass focusing on basic query types
+ */
+public class TestSimpleExplanations extends TestExplanations {
+
+ // we focus on queries that don't rewrite to other queries.
+ // if we get those covered well, then the ones that rewrite should
+ // also be covered.
+
+
+ /* simple term tests */
+
+ public void testT1() throws Exception {
+ qtest("w1", new int[] { 0,1,2,3 });
+ }
+ public void testT2() throws Exception {
+ qtest("w1^1000", new int[] { 0,1,2,3 });
+ }
+
+ /* MatchAllDocs */
+
+ public void testMA1() throws Exception {
+ qtest(new MatchAllDocsQuery(), new int[] { 0,1,2,3 });
+ }
+ public void testMA2() throws Exception {
+ Query q=new MatchAllDocsQuery();
+ q.setBoost(1000);
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+
+ /* some simple phrase tests */
+
+ public void testP1() throws Exception {
+ qtest("\"w1 w2\"", new int[] { 0 });
+ }
+ public void testP2() throws Exception {
+ qtest("\"w1 w3\"", new int[] { 1,3 });
+ }
+ public void testP3() throws Exception {
+ qtest("\"w1 w2\"~1", new int[] { 0,1,2 });
+ }
+ public void testP4() throws Exception {
+ qtest("\"w2 w3\"~1", new int[] { 0,1,2,3 });
+ }
+ public void testP5() throws Exception {
+ qtest("\"w3 w2\"~1", new int[] { 1,3 });
+ }
+ public void testP6() throws Exception {
+ qtest("\"w3 w2\"~2", new int[] { 0,1,3 });
+ }
+ public void testP7() throws Exception {
+ qtest("\"w3 w2\"~3", new int[] { 0,1,2,3 });
+ }
+
+ /* some simple filtered query tests */
+
+ public void testFQ1() throws Exception {
+ qtest(new FilteredQuery(qp.parse("w1"),
+ new ItemizedFilter(new int[] {0,1,2,3})),
+ new int[] {0,1,2,3});
+ }
+ public void testFQ2() throws Exception {
+ qtest(new FilteredQuery(qp.parse("w1"),
+ new ItemizedFilter(new int[] {0,2,3})),
+ new int[] {0,2,3});
+ }
+ public void testFQ3() throws Exception {
+ qtest(new FilteredQuery(qp.parse("xx"),
+ new ItemizedFilter(new int[] {1,3})),
+ new int[] {3});
+ }
+ public void testFQ4() throws Exception {
+ qtest(new FilteredQuery(qp.parse("xx^1000"),
+ new ItemizedFilter(new int[] {1,3})),
+ new int[] {3});
+ }
+ public void testFQ6() throws Exception {
+ Query q = new FilteredQuery(qp.parse("xx"),
+ new ItemizedFilter(new int[] {1,3}));
+ q.setBoost(1000);
+ qtest(q, new int[] {3});
+ }
+
+ /* ConstantScoreQueries */
+
+ public void testCSQ1() throws Exception {
+ Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] {0,1,2,3}));
+ qtest(q, new int[] {0,1,2,3});
+ }
+ public void testCSQ2() throws Exception {
+ Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] {1,3}));
+ qtest(q, new int[] {1,3});
+ }
+ public void testCSQ3() throws Exception {
+ Query q = new ConstantScoreQuery(new ItemizedFilter(new int[] {0,2}));
+ q.setBoost(1000);
+ qtest(q, new int[] {0,2});
+ }
+
+ /* DisjunctionMaxQuery */
+
+ public void testDMQ1() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.0f);
+ q.add(qp.parse("w1"));
+ q.add(qp.parse("w5"));
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testDMQ2() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("w1"));
+ q.add(qp.parse("w5"));
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testDMQ3() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("QQ"));
+ q.add(qp.parse("w5"));
+ qtest(q, new int[] { 0 });
+ }
+ public void testDMQ4() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("QQ"));
+ q.add(qp.parse("xx"));
+ qtest(q, new int[] { 2,3 });
+ }
+ public void testDMQ5() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("yy -QQ"));
+ q.add(qp.parse("xx"));
+ qtest(q, new int[] { 2,3 });
+ }
+ public void testDMQ6() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("-yy w3"));
+ q.add(qp.parse("xx"));
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testDMQ7() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("-yy w3"));
+ q.add(qp.parse("w2"));
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testDMQ8() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("yy w5^100"));
+ q.add(qp.parse("xx^100000"));
+ qtest(q, new int[] { 0,2,3 });
+ }
+ public void testDMQ9() throws Exception {
+ DisjunctionMaxQuery q = new DisjunctionMaxQuery(0.5f);
+ q.add(qp.parse("yy w5^100"));
+ q.add(qp.parse("xx^0"));
+ qtest(q, new int[] { 0,2,3 });
+ }
+
+ /* MultiPhraseQuery */
+
+ public void testMPQ1() throws Exception {
+ MultiPhraseQuery q = new MultiPhraseQuery();
+ q.add(ta(new String[] {"w1"}));
+ q.add(ta(new String[] {"w2","w3", "xx"}));
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testMPQ2() throws Exception {
+ MultiPhraseQuery q = new MultiPhraseQuery();
+ q.add(ta(new String[] {"w1"}));
+ q.add(ta(new String[] {"w2","w3"}));
+ qtest(q, new int[] { 0,1,3 });
+ }
+ public void testMPQ3() throws Exception {
+ MultiPhraseQuery q = new MultiPhraseQuery();
+ q.add(ta(new String[] {"w1","xx"}));
+ q.add(ta(new String[] {"w2","w3"}));
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testMPQ4() throws Exception {
+ MultiPhraseQuery q = new MultiPhraseQuery();
+ q.add(ta(new String[] {"w1"}));
+ q.add(ta(new String[] {"w2"}));
+ qtest(q, new int[] { 0 });
+ }
+ public void testMPQ5() throws Exception {
+ MultiPhraseQuery q = new MultiPhraseQuery();
+ q.add(ta(new String[] {"w1"}));
+ q.add(ta(new String[] {"w2"}));
+ q.setSlop(1);
+ qtest(q, new int[] { 0,1,2 });
+ }
+ public void testMPQ6() throws Exception {
+ MultiPhraseQuery q = new MultiPhraseQuery();
+ q.add(ta(new String[] {"w1","w3"}));
+ q.add(ta(new String[] {"w2"}));
+ q.setSlop(1);
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+
+ /* some simple tests of boolean queries containing term queries */
+
+ public void testBQ1() throws Exception {
+ qtest("+w1 +w2", new int[] { 0,1,2,3 });
+ }
+ public void testBQ2() throws Exception {
+ qtest("+yy +w3", new int[] { 2,3 });
+ }
+ public void testBQ3() throws Exception {
+ qtest("yy +w3", new int[] { 0,1,2,3 });
+ }
+ public void testBQ4() throws Exception {
+ qtest("w1 (-xx w2)", new int[] { 0,1,2,3 });
+ }
+ public void testBQ5() throws Exception {
+ qtest("w1 (+qq w2)", new int[] { 0,1,2,3 });
+ }
+ public void testBQ6() throws Exception {
+ qtest("w1 -(-qq w5)", new int[] { 1,2,3 });
+ }
+ public void testBQ7() throws Exception {
+ qtest("+w1 +(qq (xx -w2) (+w3 +w4))", new int[] { 0 });
+ }
+ public void testBQ8() throws Exception {
+ qtest("+w1 (qq (xx -w2) (+w3 +w4))", new int[] { 0,1,2,3 });
+ }
+ public void testBQ9() throws Exception {
+ qtest("+w1 (qq (-xx w2) -(+w3 +w4))", new int[] { 0,1,2,3 });
+ }
+ public void testBQ10() throws Exception {
+ qtest("+w1 +(qq (-xx w2) -(+w3 +w4))", new int[] { 1 });
+ }
+ public void testBQ11() throws Exception {
+ qtest("w1 w2^1000.0", new int[] { 0,1,2,3 });
+ }
+ public void testBQ14() throws Exception {
+ BooleanQuery q = new BooleanQuery(true);
+ q.add(qp.parse("QQQQQ"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("w1"), BooleanClause.Occur.SHOULD);
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testBQ15() throws Exception {
+ BooleanQuery q = new BooleanQuery(true);
+ q.add(qp.parse("QQQQQ"), BooleanClause.Occur.MUST_NOT);
+ q.add(qp.parse("w1"), BooleanClause.Occur.SHOULD);
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testBQ16() throws Exception {
+ BooleanQuery q = new BooleanQuery(true);
+ q.add(qp.parse("QQQQQ"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("w1 -xx"), BooleanClause.Occur.SHOULD);
+ qtest(q, new int[] { 0,1 });
+ }
+ public void testBQ17() throws Exception {
+ BooleanQuery q = new BooleanQuery(true);
+ q.add(qp.parse("w2"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("w1 -xx"), BooleanClause.Occur.SHOULD);
+ qtest(q, new int[] { 0,1,2,3 });
+ }
+ public void testBQ19() throws Exception {
+ qtest("-yy w3", new int[] { 0,1 });
+ }
+
+ public void testBQ20() throws Exception {
+ BooleanQuery q = new BooleanQuery();
+ q.setMinimumNumberShouldMatch(2);
+ q.add(qp.parse("QQQQQ"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("yy"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("zz"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("w5"), BooleanClause.Occur.SHOULD);
+ q.add(qp.parse("w4"), BooleanClause.Occur.SHOULD);
+
+ qtest(q, new int[] { 0,3 });
+
+ }
+
+ public void testTermQueryMultiSearcherExplain() throws Exception {
+ // creating two directories for indices
+ Directory indexStoreA = newDirectory();
+ Directory indexStoreB = newDirectory();
+
+ Document lDoc = new Document();
+ lDoc.add(newField("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
+ Document lDoc2 = new Document();
+ lDoc2.add(newField("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
+ Document lDoc3 = new Document();
+ lDoc3.add(newField("handle", "1 2", Field.Store.YES, Field.Index.ANALYZED));
+
+ IndexWriter writerA = new IndexWriter(indexStoreA, newIndexWriterConfig(
+ TEST_VERSION_CURRENT, new StandardAnalyzer(
+ TEST_VERSION_CURRENT)));
+ IndexWriter writerB = new IndexWriter(indexStoreB, newIndexWriterConfig(
+ TEST_VERSION_CURRENT, new StandardAnalyzer(
+ TEST_VERSION_CURRENT)));
+
+ writerA.addDocument(lDoc);
+ writerA.addDocument(lDoc2);
+ writerA.optimize();
+ writerA.close();
+
+ writerB.addDocument(lDoc3);
+ writerB.close();
+
+ QueryParser parser = new QueryParser(TEST_VERSION_CURRENT, "fulltext", new StandardAnalyzer(TEST_VERSION_CURRENT));
+ Query query = parser.parse("handle:1");
+
+ Searcher[] searchers = new Searcher[2];
+ searchers[0] = new IndexSearcher(indexStoreB, true);
+ searchers[1] = new IndexSearcher(indexStoreA, true);
+ Searcher mSearcher = new MultiSearcher(searchers);
+ ScoreDoc[] hits = mSearcher.search(query, null, 1000).scoreDocs;
+
+ assertEquals(3, hits.length);
+
+ Explanation explain = mSearcher.explain(query, hits[0].doc);
+ String exp = explain.toString(0);
+ assertTrue(exp, exp.indexOf("maxDocs=3") > -1);
+ assertTrue(exp, exp.indexOf("docFreq=3") > -1);
+
+ query = parser.parse("handle:\"1 2\"");
+ hits = mSearcher.search(query, null, 1000).scoreDocs;
+
+ assertEquals(3, hits.length);
+
+ explain = mSearcher.explain(query, hits[0].doc);
+ exp = explain.toString(0);
+ assertTrue(exp, exp.indexOf("1=3") > -1);
+ assertTrue(exp, exp.indexOf("2=3") > -1);
+
+ query = new SpanNearQuery(new SpanQuery[] {
+ new SpanTermQuery(new Term("handle", "1")),
+ new SpanTermQuery(new Term("handle", "2")) }, 0, true);
+ hits = mSearcher.search(query, null, 1000).scoreDocs;
+
+ assertEquals(3, hits.length);
+
+ explain = mSearcher.explain(query, hits[0].doc);
+ exp = explain.toString(0);
+ assertTrue(exp, exp.indexOf("1=3") > -1);
+ assertTrue(exp, exp.indexOf("2=3") > -1);
+ mSearcher.close();
+ indexStoreA.close();
+ indexStoreB.close();
+ }
+
+ /* BQ of TQ: using alt so some fields have zero boost and some don't */
+
+ public void testMultiFieldBQ1() throws Exception {
+ qtest("+w1 +alt:w2", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQ2() throws Exception {
+ qtest("+yy +alt:w3", new int[] { 2,3 });
+ }
+ public void testMultiFieldBQ3() throws Exception {
+ qtest("yy +alt:w3", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQ4() throws Exception {
+ qtest("w1 (-xx alt:w2)", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQ5() throws Exception {
+ qtest("w1 (+alt:qq alt:w2)", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQ6() throws Exception {
+ qtest("w1 -(-alt:qq alt:w5)", new int[] { 1,2,3 });
+ }
+ public void testMultiFieldBQ7() throws Exception {
+ qtest("+w1 +(alt:qq (alt:xx -alt:w2) (+alt:w3 +alt:w4))", new int[] { 0 });
+ }
+ public void testMultiFieldBQ8() throws Exception {
+ qtest("+alt:w1 (qq (alt:xx -w2) (+alt:w3 +w4))", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQ9() throws Exception {
+ qtest("+w1 (alt:qq (-xx w2) -(+alt:w3 +w4))", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQ10() throws Exception {
+ qtest("+w1 +(alt:qq (-xx alt:w2) -(+alt:w3 +w4))", new int[] { 1 });
+ }
+
+ /* BQ of PQ: using alt so some fields have zero boost and some don't */
+
+ public void testMultiFieldBQofPQ1() throws Exception {
+ qtest("\"w1 w2\" alt:\"w1 w2\"", new int[] { 0 });
+ }
+ public void testMultiFieldBQofPQ2() throws Exception {
+ qtest("\"w1 w3\" alt:\"w1 w3\"", new int[] { 1,3 });
+ }
+ public void testMultiFieldBQofPQ3() throws Exception {
+ qtest("\"w1 w2\"~1 alt:\"w1 w2\"~1", new int[] { 0,1,2 });
+ }
+ public void testMultiFieldBQofPQ4() throws Exception {
+ qtest("\"w2 w3\"~1 alt:\"w2 w3\"~1", new int[] { 0,1,2,3 });
+ }
+ public void testMultiFieldBQofPQ5() throws Exception {
+ qtest("\"w3 w2\"~1 alt:\"w3 w2\"~1", new int[] { 1,3 });
+ }
+ public void testMultiFieldBQofPQ6() throws Exception {
+ qtest("\"w3 w2\"~2 alt:\"w3 w2\"~2", new int[] { 0,1,3 });
+ }
+ public void testMultiFieldBQofPQ7() throws Exception {
+ qtest("\"w3 w2\"~3 alt:\"w3 w2\"~3", new int[] { 0,1,2,3 });
+ }
+
+}