| using Lucene.Net.Analysis; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Index; |
| using Lucene.Net.Search; |
| using Lucene.Net.Util; |
| using NUnit.Framework; |
| using System; |
| using System.Collections.Generic; |
| using System.IO; |
| |
| namespace Lucene.Net.QueryParsers.Classic |
| { |
| /* |
| * 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. |
| */ |
| |
| [TestFixture] |
| public class TestMultiFieldQueryParser : LuceneTestCase |
| { |
| /// <summary> |
| /// test stop words parsing for both the non static form, and for the |
| /// corresponding static form (qtxt, fields[]). |
| /// </summary> |
| [Test] |
| public virtual void TestStopwordsParsing() |
| { |
| 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))", ""); |
| } |
| |
| /// <summary> |
| /// verify parsing of query using a stopping analyzer |
| /// </summary> |
| /// <param name="qtxt"></param> |
| /// <param name="expectedRes"></param> |
| private void AssertStopQueryEquals(string qtxt, string expectedRes) |
| { |
| string[] fields = { "b", "t" }; |
| Occur[] occur = new 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()); |
| } |
| |
| [Test] |
| public virtual void TestSimple() |
| { |
| 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~2 t:one~2) (b:two t:two)", q.toString()); |
| |
| q = mfqp.Parse("one~0.8 two^2"); |
| assertEquals("(b:one~0 t:one~0) ((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.DefaultOperator = QueryParserBase.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()); |
| } |
| |
| [Test] |
| public virtual void TestBoostsSimple() |
| { |
| IDictionary<string, float> boosts = new Dictionary<string, float>(); |
| boosts["b"] = (float)5; |
| boosts["t"] = (float)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()); |
| } |
| |
| [Test] |
| public virtual void TestStaticMethod1() |
| { |
| 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 (ArgumentException /*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()); |
| } |
| |
| [Test] |
| public virtual void TestStaticMethod2() |
| { |
| string[] fields = { "b", "t" }; |
| Occur[] flags = { Occur.MUST, 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 |
| { |
| Occur[] flags2 = { Occur.MUST }; |
| q = MultiFieldQueryParser.Parse(TEST_VERSION_CURRENT, "blah", fields, flags2, new MockAnalyzer(Random)); |
| fail(); |
| } |
| catch (ArgumentException /*e*/) |
| { |
| // expected exception, array length differs |
| } |
| } |
| |
| [Test] |
| public virtual void TestStaticMethod2Old() |
| { |
| string[] fields = { "b", "t" }; |
| //int[] flags = {MultiFieldQueryParser.REQUIRED_FIELD, MultiFieldQueryParser.PROHIBITED_FIELD}; |
| Occur[] flags = { Occur.MUST, 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 |
| { |
| Occur[] flags2 = { Occur.MUST }; |
| q = MultiFieldQueryParser.Parse(TEST_VERSION_CURRENT, "blah", fields, flags2, new MockAnalyzer(Random)); |
| fail(); |
| } |
| catch (ArgumentException /*e*/) |
| { |
| // expected exception, array length differs |
| } |
| } |
| |
| [Test] |
| public virtual void TestStaticMethod3() |
| { |
| string[] queries = { "one", "two", "three" }; |
| string[] fields = { "f1", "f2", "f3" }; |
| Occur[] flags = {Occur.MUST, |
| Occur.MUST_NOT, 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 |
| { |
| Occur[] flags2 = { Occur.MUST }; |
| q = MultiFieldQueryParser.Parse(TEST_VERSION_CURRENT, queries, fields, flags2, new MockAnalyzer(Random)); |
| fail(); |
| } |
| catch (ArgumentException /*e*/) |
| { |
| // expected exception, array length differs |
| } |
| } |
| |
| [Test] |
| public virtual void TestStaticMethod3Old() |
| { |
| string[] queries = { "one", "two" }; |
| string[] fields = { "b", "t" }; |
| Occur[] flags = { Occur.MUST, Occur.MUST_NOT }; |
| Query q = MultiFieldQueryParser.Parse(TEST_VERSION_CURRENT, queries, fields, flags, new MockAnalyzer(Random)); |
| assertEquals("+b:one -t:two", q.toString()); |
| |
| try |
| { |
| Occur[] flags2 = { Occur.MUST }; |
| q = MultiFieldQueryParser.Parse(TEST_VERSION_CURRENT, queries, fields, flags2, new MockAnalyzer(Random)); |
| fail(); |
| } |
| catch (ArgumentException /*e*/) |
| { |
| // expected exception, array length differs |
| } |
| } |
| |
| [Test] |
| public void TestAnalyzerReturningNull() |
| { |
| 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~2 f2:bla~2 f3:bla~2", q.toString()); |
| q = parser.Parse("[a TO c]"); |
| assertEquals("f1:[a TO c] f2:[a TO c] f3:[a TO c]", q.toString()); |
| } |
| |
| [Test] |
| public virtual void TestStopWordSearching() |
| { |
| Analyzer analyzer = new MockAnalyzer(Random); |
| using (var ramDir = NewDirectory()) |
| { |
| using (IndexWriter iw = new IndexWriter(ramDir, NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer))) |
| { |
| Document doc = new Document(); |
| doc.Add(NewTextField("body", "blah the footest blah", Field.Store.NO)); |
| iw.AddDocument(doc); |
| } |
| |
| MultiFieldQueryParser mfqp = |
| new MultiFieldQueryParser(TEST_VERSION_CURRENT, new string[] { "body" }, analyzer); |
| mfqp.DefaultOperator = Operator.AND; |
| Query q = mfqp.Parse("the footest"); |
| using (IndexReader ir = DirectoryReader.Open(ramDir)) |
| { |
| IndexSearcher @is = NewSearcher(ir); |
| ScoreDoc[] hits = @is.Search(q, null, 1000).ScoreDocs; |
| assertEquals(1, hits.Length); |
| } |
| } |
| } |
| |
| private class AnalyzerReturningNull : Analyzer |
| { |
| MockAnalyzer stdAnalyzer = new MockAnalyzer(Random); |
| |
| public AnalyzerReturningNull() |
| : base(PER_FIELD_REUSE_STRATEGY) |
| { } |
| |
| protected internal override System.IO.TextReader InitReader(string fieldName, TextReader reader) |
| { |
| if ("f1".Equals(fieldName, StringComparison.Ordinal)) |
| { |
| // we don't use the reader, so close it: |
| IOUtils.DisposeWhileHandlingException(reader); |
| // return empty reader, so MockTokenizer returns no tokens: |
| return new StringReader(""); |
| } |
| else |
| { |
| return base.InitReader(fieldName, reader); |
| } |
| } |
| |
| protected internal override TokenStreamComponents CreateComponents(string fieldName, TextReader reader) |
| { |
| return stdAnalyzer.CreateComponents(fieldName, reader); |
| } |
| } |
| |
| [Test] |
| public virtual void TestSimpleRegex() |
| { |
| string[] fields = new string[] { "a", "b" }; |
| MultiFieldQueryParser mfqp = new MultiFieldQueryParser(TEST_VERSION_CURRENT, fields, new MockAnalyzer(Random)); |
| |
| BooleanQuery bq = new BooleanQuery(true); |
| bq.Add(new RegexpQuery(new Term("a", "[a-z][123]")), Occur.SHOULD); |
| bq.Add(new RegexpQuery(new Term("b", "[a-z][123]")), Occur.SHOULD); |
| assertEquals(bq, mfqp.Parse("/[a-z][123]/")); |
| } |
| } |
| } |