--- /dev/null
+package org.apache.lucene.queryParser;
+
+/**
+ * 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 java.io.Reader;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.TokenStream;
+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.search.BooleanClause;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.BooleanClause.Occur;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+
+/**
+ * Tests QueryParser.
+ */
+public class TestMultiFieldQueryParser extends LuceneTestCase {
+
+ /** test stop words parsing for both the non static form, and for the
+ * corresponding static form (qtxt, fields[]). */
+ public void testStopwordsParsing() throws Exception {
+ assertStopQueryEquals("one", "b:one t:one");
+ assertStopQueryEquals("one stop", "b:one t:one");
+ assertStopQueryEquals("one (stop)", "b:one t:one");
+ assertStopQueryEquals("one ((stop))", "b:one t:one");
+ assertStopQueryEquals("stop", "");
+ assertStopQueryEquals("(stop)", "");
+ assertStopQueryEquals("((stop))", "");
+ }
+
+ // verify parsing of query using a stopping analyzer
+ private void assertStopQueryEquals (String qtxt, String expectedRes) throws Exception {
+ String[] fields = {"b", "t"};
+ Occur occur[] = {Occur.SHOULD, Occur.SHOULD};
+ TestQueryParser.QPTestAnalyzer a = new TestQueryParser.QPTestAnalyzer();
+ MultiFieldQueryParser mfqp = new MultiFieldQueryParser(TEST_VERSION_CURRENT, fields, a);
+
+ Query q = mfqp.parse(qtxt);
+ assertEquals(expectedRes, q.toString());
+
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, qtxt, fields, occur, a);
+ assertEquals(expectedRes, q.toString());
+ }
+
+ public void testSimple() throws Exception {
+ String[] fields = {"b", "t"};
+ MultiFieldQueryParser mfqp = new MultiFieldQueryParser(TEST_VERSION_CURRENT, fields, new MockAnalyzer(random));
+
+ Query q = mfqp.parse("one");
+ assertEquals("b:one t:one", q.toString());
+
+ q = mfqp.parse("one two");
+ assertEquals("(b:one t:one) (b:two t:two)", q.toString());
+
+ q = mfqp.parse("+one +two");
+ assertEquals("+(b:one t:one) +(b:two t:two)", q.toString());
+
+ q = mfqp.parse("+one -two -three");
+ assertEquals("+(b:one t:one) -(b:two t:two) -(b:three t:three)", q.toString());
+
+ q = mfqp.parse("one^2 two");
+ assertEquals("((b:one t:one)^2.0) (b:two t:two)", q.toString());
+
+ q = mfqp.parse("one~ two");
+ assertEquals("(b:one~0.5 t:one~0.5) (b:two t:two)", q.toString());
+
+ q = mfqp.parse("one~0.8 two^2");
+ assertEquals("(b:one~0.8 t:one~0.8) ((b:two t:two)^2.0)", q.toString());
+
+ q = mfqp.parse("one* two*");
+ assertEquals("(b:one* t:one*) (b:two* t:two*)", q.toString());
+
+ q = mfqp.parse("[a TO c] two");
+ assertEquals("(b:[a TO c] t:[a TO c]) (b:two t:two)", q.toString());
+
+ q = mfqp.parse("w?ldcard");
+ assertEquals("b:w?ldcard t:w?ldcard", q.toString());
+
+ q = mfqp.parse("\"foo bar\"");
+ assertEquals("b:\"foo bar\" t:\"foo bar\"", q.toString());
+
+ q = mfqp.parse("\"aa bb cc\" \"dd ee\"");
+ assertEquals("(b:\"aa bb cc\" t:\"aa bb cc\") (b:\"dd ee\" t:\"dd ee\")", q.toString());
+
+ q = mfqp.parse("\"foo bar\"~4");
+ assertEquals("b:\"foo bar\"~4 t:\"foo bar\"~4", q.toString());
+
+ // LUCENE-1213: MultiFieldQueryParser was ignoring slop when phrase had a field.
+ q = mfqp.parse("b:\"foo bar\"~4");
+ assertEquals("b:\"foo bar\"~4", q.toString());
+
+ // make sure that terms which have a field are not touched:
+ q = mfqp.parse("one f:two");
+ assertEquals("(b:one t:one) f:two", q.toString());
+
+ // AND mode:
+ mfqp.setDefaultOperator(QueryParser.AND_OPERATOR);
+ q = mfqp.parse("one two");
+ assertEquals("+(b:one t:one) +(b:two t:two)", q.toString());
+ q = mfqp.parse("\"aa bb cc\" \"dd ee\"");
+ assertEquals("+(b:\"aa bb cc\" t:\"aa bb cc\") +(b:\"dd ee\" t:\"dd ee\")", q.toString());
+
+ }
+
+ public void testBoostsSimple() throws Exception {
+ Map<String,Float> boosts = new HashMap<String,Float>();
+ boosts.put("b", Float.valueOf(5));
+ boosts.put("t", Float.valueOf(10));
+ String[] fields = {"b", "t"};
+ MultiFieldQueryParser mfqp = new MultiFieldQueryParser(TEST_VERSION_CURRENT, fields, new MockAnalyzer(random), boosts);
+
+
+ //Check for simple
+ Query q = mfqp.parse("one");
+ assertEquals("b:one^5.0 t:one^10.0", q.toString());
+
+ //Check for AND
+ q = mfqp.parse("one AND two");
+ assertEquals("+(b:one^5.0 t:one^10.0) +(b:two^5.0 t:two^10.0)", q.toString());
+
+ //Check for OR
+ q = mfqp.parse("one OR two");
+ assertEquals("(b:one^5.0 t:one^10.0) (b:two^5.0 t:two^10.0)", q.toString());
+
+ //Check for AND and a field
+ q = mfqp.parse("one AND two AND foo:test");
+ assertEquals("+(b:one^5.0 t:one^10.0) +(b:two^5.0 t:two^10.0) +foo:test", q.toString());
+
+ q = mfqp.parse("one^3 AND two^4");
+ assertEquals("+((b:one^5.0 t:one^10.0)^3.0) +((b:two^5.0 t:two^10.0)^4.0)", q.toString());
+ }
+
+ public void testStaticMethod1() throws ParseException {
+ String[] fields = {"b", "t"};
+ String[] queries = {"one", "two"};
+ Query q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries, fields, new MockAnalyzer(random));
+ assertEquals("b:one t:two", q.toString());
+
+ String[] queries2 = {"+one", "+two"};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries2, fields, new MockAnalyzer(random));
+ assertEquals("(+b:one) (+t:two)", q.toString());
+
+ String[] queries3 = {"one", "+two"};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries3, fields, new MockAnalyzer(random));
+ assertEquals("b:one (+t:two)", q.toString());
+
+ String[] queries4 = {"one +more", "+two"};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries4, fields, new MockAnalyzer(random));
+ assertEquals("(b:one +b:more) (+t:two)", q.toString());
+
+ String[] queries5 = {"blah"};
+ try {
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries5, fields, new MockAnalyzer(random));
+ fail();
+ } catch(IllegalArgumentException e) {
+ // expected exception, array length differs
+ }
+
+ // check also with stop words for this static form (qtxts[], fields[]).
+ TestQueryParser.QPTestAnalyzer stopA = new TestQueryParser.QPTestAnalyzer();
+
+ String[] queries6 = {"((+stop))", "+((stop))"};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries6, fields, stopA);
+ assertEquals("", q.toString());
+
+ String[] queries7 = {"one ((+stop)) +more", "+((stop)) +two"};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries7, fields, stopA);
+ assertEquals("(b:one +b:more) (+t:two)", q.toString());
+
+ }
+
+ public void testStaticMethod2() throws ParseException {
+ String[] fields = {"b", "t"};
+ BooleanClause.Occur[] flags = {BooleanClause.Occur.MUST, BooleanClause.Occur.MUST_NOT};
+ Query q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, "one", fields, flags, new MockAnalyzer(random));
+ assertEquals("+b:one -t:one", q.toString());
+
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, "one two", fields, flags, new MockAnalyzer(random));
+ assertEquals("+(b:one b:two) -(t:one t:two)", q.toString());
+
+ try {
+ BooleanClause.Occur[] flags2 = {BooleanClause.Occur.MUST};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, "blah", fields, flags2, new MockAnalyzer(random));
+ fail();
+ } catch(IllegalArgumentException e) {
+ // expected exception, array length differs
+ }
+ }
+
+ public void testStaticMethod2Old() throws ParseException {
+ String[] fields = {"b", "t"};
+ //int[] flags = {MultiFieldQueryParser.REQUIRED_FIELD, MultiFieldQueryParser.PROHIBITED_FIELD};
+ BooleanClause.Occur[] flags = {BooleanClause.Occur.MUST, BooleanClause.Occur.MUST_NOT};
+
+ Query q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, "one", fields, flags, new MockAnalyzer(random));//, fields, flags, new MockAnalyzer(random));
+ assertEquals("+b:one -t:one", q.toString());
+
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, "one two", fields, flags, new MockAnalyzer(random));
+ assertEquals("+(b:one b:two) -(t:one t:two)", q.toString());
+
+ try {
+ BooleanClause.Occur[] flags2 = {BooleanClause.Occur.MUST};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, "blah", fields, flags2, new MockAnalyzer(random));
+ fail();
+ } catch(IllegalArgumentException e) {
+ // expected exception, array length differs
+ }
+ }
+
+ public void testStaticMethod3() throws ParseException {
+ String[] queries = {"one", "two", "three"};
+ String[] fields = {"f1", "f2", "f3"};
+ BooleanClause.Occur[] flags = {BooleanClause.Occur.MUST,
+ BooleanClause.Occur.MUST_NOT, BooleanClause.Occur.SHOULD};
+ Query q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries, fields, flags, new MockAnalyzer(random));
+ assertEquals("+f1:one -f2:two f3:three", q.toString());
+
+ try {
+ BooleanClause.Occur[] flags2 = {BooleanClause.Occur.MUST};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries, fields, flags2, new MockAnalyzer(random));
+ fail();
+ } catch(IllegalArgumentException e) {
+ // expected exception, array length differs
+ }
+ }
+
+ public void testStaticMethod3Old() throws ParseException {
+ String[] queries = {"one", "two"};
+ String[] fields = {"b", "t"};
+ BooleanClause.Occur[] flags = {BooleanClause.Occur.MUST, BooleanClause.Occur.MUST_NOT};
+ Query q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries, fields, flags, new MockAnalyzer(random));
+ assertEquals("+b:one -t:two", q.toString());
+
+ try {
+ BooleanClause.Occur[] flags2 = {BooleanClause.Occur.MUST};
+ q = MultiFieldQueryParser.parse(TEST_VERSION_CURRENT, queries, fields, flags2, new MockAnalyzer(random));
+ fail();
+ } catch(IllegalArgumentException e) {
+ // expected exception, array length differs
+ }
+ }
+
+ public void testAnalyzerReturningNull() throws ParseException {
+ String[] fields = new String[] { "f1", "f2", "f3" };
+ MultiFieldQueryParser parser = new MultiFieldQueryParser(TEST_VERSION_CURRENT, fields, new AnalyzerReturningNull());
+ Query q = parser.parse("bla AND blo");
+ assertEquals("+(f2:bla f3:bla) +(f2:blo f3:blo)", q.toString());
+ // the following queries are not affected as their terms are not analyzed anyway:
+ q = parser.parse("bla*");
+ assertEquals("f1:bla* f2:bla* f3:bla*", q.toString());
+ q = parser.parse("bla~");
+ assertEquals("f1:bla~0.5 f2:bla~0.5 f3:bla~0.5", q.toString());
+ q = parser.parse("[a TO c]");
+ assertEquals("f1:[a TO c] f2:[a TO c] f3:[a TO c]", q.toString());
+ }
+
+ public void testStopWordSearching() throws Exception {
+ Analyzer analyzer = new MockAnalyzer(random);
+ Directory ramDir = newDirectory();
+ IndexWriter iw = new IndexWriter(ramDir, newIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
+ Document doc = new Document();
+ doc.add(newField("body", "blah the footest blah", Field.Store.NO, Field.Index.ANALYZED));
+ iw.addDocument(doc);
+ iw.close();
+
+ MultiFieldQueryParser mfqp =
+ new MultiFieldQueryParser(TEST_VERSION_CURRENT, new String[] {"body"}, analyzer);
+ mfqp.setDefaultOperator(QueryParser.Operator.AND);
+ Query q = mfqp.parse("the footest");
+ IndexSearcher is = new IndexSearcher(ramDir, true);
+ ScoreDoc[] hits = is.search(q, null, 1000).scoreDocs;
+ assertEquals(1, hits.length);
+ is.close();
+ ramDir.close();
+ }
+
+ /**
+ * Return empty tokens for field "f1".
+ */
+ private static class AnalyzerReturningNull extends Analyzer {
+ MockAnalyzer stdAnalyzer = new MockAnalyzer(random);
+
+ public AnalyzerReturningNull() {
+ }
+
+ @Override
+ public TokenStream tokenStream(String fieldName, Reader reader) {
+ if ("f1".equals(fieldName)) {
+ return new EmptyTokenStream();
+ } else {
+ return stdAnalyzer.tokenStream(fieldName, reader);
+ }
+ }
+
+ private static class EmptyTokenStream extends TokenStream {
+ @Override
+ public boolean incrementToken() throws IOException {
+ return false;
+ }
+ }
+ }
+
+}