| using Lucene.Net.Analysis; |
| using Lucene.Net.Analysis.TokenAttributes; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Index; |
| using Lucene.Net.QueryParsers.Flexible.Core; |
| using Lucene.Net.QueryParsers.Flexible.Core.Messages; |
| using Lucene.Net.QueryParsers.Flexible.Core.Nodes; |
| using Lucene.Net.QueryParsers.Flexible.Core.Processors; |
| using Lucene.Net.QueryParsers.Flexible.Messages; |
| using Lucene.Net.QueryParsers.Flexible.Standard.Config; |
| using Lucene.Net.QueryParsers.Flexible.Standard.Nodes; |
| using Lucene.Net.Search; |
| using Lucene.Net.Support; |
| using Lucene.Net.Util; |
| using Lucene.Net.Util.Automaton; |
| using NUnit.Framework; |
| using System; |
| using System.Collections.Generic; |
| using System.Globalization; |
| using System.IO; |
| using Console = Lucene.Net.Util.SystemConsole; |
| |
| namespace Lucene.Net.QueryParsers.Flexible.Standard |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// This test case is a copy of the core Lucene query parser test, it was adapted |
| /// to use new QueryParserHelper instead of the old query parser. |
| /// |
| /// Tests QueryParser. |
| /// </summary> |
| // TODO: really this should extend QueryParserTestBase too! |
| public class TestQPHelper : LuceneTestCase |
| { |
| public static Analyzer qpAnalyzer; |
| |
| [OneTimeSetUp] |
| public override void BeforeClass() |
| { |
| base.BeforeClass(); |
| qpAnalyzer = new QPTestAnalyzer(); |
| } |
| |
| [OneTimeTearDown] |
| public override void AfterClass() |
| { |
| qpAnalyzer = null; |
| base.AfterClass(); |
| } |
| |
| public sealed class QPTestFilter : TokenFilter |
| { |
| private readonly ICharTermAttribute termAtt; |
| private readonly IOffsetAttribute offsetAtt; |
| |
| /** |
| * Filter which discards the token 'stop' and which expands the token |
| * 'phrase' into 'phrase1 phrase2' |
| */ |
| public QPTestFilter(TokenStream @in) |
| : base(@in) |
| { |
| termAtt = AddAttribute<ICharTermAttribute>(); |
| offsetAtt = AddAttribute<IOffsetAttribute>(); |
| } |
| |
| private bool inPhrase = false; |
| private int savedStart = 0; |
| private int savedEnd = 0; |
| |
| |
| public override bool IncrementToken() |
| { |
| if (inPhrase) |
| { |
| inPhrase = false; |
| ClearAttributes(); |
| termAtt.SetEmpty().Append("phrase2"); |
| offsetAtt.SetOffset(savedStart, savedEnd); |
| return true; |
| } |
| else |
| while (m_input.IncrementToken()) |
| { |
| if (termAtt.toString().Equals("phrase", StringComparison.Ordinal)) |
| { |
| inPhrase = true; |
| savedStart = offsetAtt.StartOffset; |
| savedEnd = offsetAtt.EndOffset; |
| termAtt.SetEmpty().Append("phrase1"); |
| offsetAtt.SetOffset(savedStart, savedEnd); |
| return true; |
| } |
| else if (!termAtt.toString().Equals("stop", StringComparison.Ordinal)) |
| return true; |
| } |
| return false; |
| } |
| |
| |
| public override void Reset() |
| { |
| base.Reset(); |
| this.inPhrase = false; |
| this.savedStart = 0; |
| this.savedEnd = 0; |
| } |
| } |
| |
| public sealed class QPTestAnalyzer : Analyzer |
| { |
| |
| /** Filters MockTokenizer with StopFilter. */ |
| |
| protected internal override sealed TokenStreamComponents CreateComponents(String fieldName, TextReader reader) |
| { |
| Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.SIMPLE, true); |
| return new TokenStreamComponents(tokenizer, new QPTestFilter(tokenizer)); |
| } |
| } |
| |
| public class QPTestParser : StandardQueryParser |
| { |
| public QPTestParser(Analyzer a) |
| { |
| ((QueryNodeProcessorPipeline)QueryNodeProcessor) |
| .Add(new QPTestParserQueryNodeProcessor()); |
| this.Analyzer = (a); |
| |
| } |
| |
| private class QPTestParserQueryNodeProcessor : |
| QueryNodeProcessor |
| { |
| |
| |
| protected override IQueryNode PostProcessNode(IQueryNode node) |
| { |
| |
| return node; |
| |
| } |
| |
| |
| protected override IQueryNode PreProcessNode(IQueryNode node) |
| { |
| |
| if (node is WildcardQueryNode || node is FuzzyQueryNode) |
| { |
| |
| throw new QueryNodeException(new Message( |
| QueryParserMessages.EMPTY_MESSAGE)); |
| |
| } |
| |
| return node; |
| |
| } |
| |
| |
| protected override IList<IQueryNode> SetChildrenOrder(IList<IQueryNode> children) |
| { |
| |
| return children; |
| |
| } |
| |
| } |
| |
| } |
| |
| private int originalMaxClauses; |
| |
| |
| public override void SetUp() |
| { |
| base.SetUp(); |
| originalMaxClauses = BooleanQuery.MaxClauseCount; |
| } |
| |
| public StandardQueryParser GetParser(Analyzer a) |
| { |
| if (a == null) |
| a = new MockAnalyzer(Random, MockTokenizer.SIMPLE, true); |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (a); |
| |
| qp.DefaultOperator = (StandardQueryConfigHandler.Operator.OR); |
| |
| return qp; |
| |
| } |
| |
| public Query GetQuery(String query, Analyzer a) |
| { |
| return GetParser(a).Parse(query, "field"); |
| } |
| |
| public Query GetQueryAllowLeadingWildcard(String query, Analyzer a) |
| { |
| StandardQueryParser parser = GetParser(a); |
| parser.AllowLeadingWildcard = (true); |
| return parser.Parse(query, "field"); |
| } |
| |
| public void AssertQueryEquals(String query, Analyzer a, String result) |
| { |
| Query q = GetQuery(query, a); |
| String s = q.ToString("field"); |
| if (!s.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result |
| + "/"); |
| } |
| } |
| |
| public void AssertQueryEqualsAllowLeadingWildcard(String query, Analyzer a, String result) |
| { |
| Query q = GetQueryAllowLeadingWildcard(query, a); |
| String s = q.ToString("field"); |
| if (!s.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result |
| + "/"); |
| } |
| } |
| |
| public void AssertQueryEquals(StandardQueryParser qp, String field, |
| String query, String result) |
| { |
| Query q = qp.Parse(query, field); |
| String s = q.ToString(field); |
| if (!s.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result |
| + "/"); |
| } |
| } |
| |
| public void AssertEscapedQueryEquals(String query, Analyzer a, String result) |
| { |
| String escapedQuery = QueryParserUtil.Escape(query); |
| if (!escapedQuery.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("Query /" + query + "/ yielded /" + escapedQuery + "/, expecting /" |
| + result + "/"); |
| } |
| } |
| |
| public void AssertWildcardQueryEquals(String query, bool lowercase, |
| String result, bool allowLeadingWildcard) |
| { |
| StandardQueryParser qp = GetParser(null); |
| qp.LowercaseExpandedTerms = (lowercase); |
| qp.AllowLeadingWildcard = (allowLeadingWildcard); |
| Query q = qp.Parse(query, "field"); |
| String s = q.ToString("field"); |
| if (!s.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("WildcardQuery /" + query + "/ yielded /" + s + "/, expecting /" |
| + result + "/"); |
| } |
| } |
| |
| public void AssertWildcardQueryEquals(String query, bool lowercase, |
| String result) |
| { |
| AssertWildcardQueryEquals(query, lowercase, result, false); |
| } |
| |
| public void AssertWildcardQueryEquals(String query, String result) |
| { |
| StandardQueryParser qp = GetParser(null); |
| Query q = qp.Parse(query, "field"); |
| String s = q.ToString("field"); |
| if (!s.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("WildcardQuery /" + query + "/ yielded /" + s + "/, expecting /" |
| + result + "/"); |
| } |
| } |
| |
| public Query GetQueryDOA(String query, Analyzer a) |
| { |
| if (a == null) |
| a = new MockAnalyzer(Random, MockTokenizer.SIMPLE, true); |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (a); |
| qp.DefaultOperator = (StandardQueryConfigHandler.Operator.AND); |
| |
| return qp.Parse(query, "field"); |
| |
| } |
| |
| public void AssertQueryEqualsDOA(String query, Analyzer a, String result) |
| { |
| Query q = GetQueryDOA(query, a); |
| String s = q.ToString("field"); |
| if (!s.Equals(result, StringComparison.Ordinal)) |
| { |
| fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result |
| + "/"); |
| } |
| } |
| [Test] |
| public void TestConstantScoreAutoRewrite() |
| { |
| StandardQueryParser qp = new StandardQueryParser(new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)); |
| Query q = qp.Parse("foo*bar", "field"); |
| assertTrue(q is WildcardQuery); |
| assertEquals(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, ((MultiTermQuery)q).MultiTermRewriteMethod); |
| |
| q = qp.Parse("foo*", "field"); |
| assertTrue(q is PrefixQuery); |
| assertEquals(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, ((MultiTermQuery)q).MultiTermRewriteMethod); |
| |
| q = qp.Parse("[a TO z]", "field"); |
| assertTrue(q is TermRangeQuery); |
| assertEquals(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, ((MultiTermQuery)q).MultiTermRewriteMethod); |
| } |
| [Test] |
| public void TestCJK() |
| { |
| // Test Ideographic Space - As wide as a CJK character cell (fullwidth) |
| // used google to translate the word "term" to japanese -> ?? |
| AssertQueryEquals("term\u3000term\u3000term", null, |
| "term\u0020term\u0020term"); |
| AssertQueryEqualsAllowLeadingWildcard("??\u3000??\u3000??", null, "??\u0020??\u0020??"); |
| } |
| |
| //individual CJK chars as terms, like StandardAnalyzer |
| private sealed class SimpleCJKTokenizer : Tokenizer |
| { |
| private ICharTermAttribute termAtt; |
| |
| public SimpleCJKTokenizer(TextReader input) |
| : base(input) |
| { |
| termAtt = AddAttribute<ICharTermAttribute>(); |
| } |
| |
| |
| public override bool IncrementToken() |
| { |
| int ch = m_input.Read(); |
| if (ch < 0) |
| return false; |
| ClearAttributes(); |
| termAtt.SetEmpty().Append((char)ch); |
| return true; |
| } |
| } |
| |
| private class SimpleCJKAnalyzer : Analyzer |
| { |
| |
| protected internal override TokenStreamComponents CreateComponents(String fieldName, TextReader reader) |
| { |
| return new TokenStreamComponents(new SimpleCJKTokenizer(reader)); |
| } |
| } |
| [Test] |
| public void TestCJKTerm() |
| { |
| // individual CJK chars as terms |
| SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer(); |
| |
| BooleanQuery expected = new BooleanQuery(); |
| expected.Add(new TermQuery(new Term("field", "中")), Occur.SHOULD); |
| expected.Add(new TermQuery(new Term("field", "国")), Occur.SHOULD); |
| assertEquals(expected, GetQuery("中国", analyzer)); |
| |
| expected = new BooleanQuery(); |
| expected.Add(new TermQuery(new Term("field", "中")), Occur.MUST); |
| BooleanQuery inner = new BooleanQuery(); |
| inner.Add(new TermQuery(new Term("field", "中")), Occur.SHOULD); |
| inner.Add(new TermQuery(new Term("field", "国")), Occur.SHOULD); |
| expected.Add(inner, Occur.MUST); |
| assertEquals(expected, GetQuery("中 AND 中国", new SimpleCJKAnalyzer())); |
| |
| } |
| [Test] |
| public void TestCJKBoostedTerm() |
| { |
| // individual CJK chars as terms |
| SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer(); |
| |
| BooleanQuery expected = new BooleanQuery(); |
| expected.Boost = (0.5f); |
| expected.Add(new TermQuery(new Term("field", "中")), Occur.SHOULD); |
| expected.Add(new TermQuery(new Term("field", "国")), Occur.SHOULD); |
| |
| |
| assertEquals(expected, GetQuery("中国^0.5", analyzer)); |
| } |
| [Test] |
| public void TestCJKPhrase() |
| { |
| // individual CJK chars as terms |
| SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer(); |
| |
| PhraseQuery expected = new PhraseQuery(); |
| expected.Add(new Term("field", "中")); |
| expected.Add(new Term("field", "国")); |
| |
| |
| assertEquals(expected, GetQuery("\"中国\"", analyzer)); |
| } |
| [Test] |
| public void TestCJKBoostedPhrase() |
| { |
| // individual CJK chars as terms |
| SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer(); |
| |
| PhraseQuery expected = new PhraseQuery(); |
| expected.Boost = (0.5f); |
| expected.Add(new Term("field", "中")); |
| expected.Add(new Term("field", "国")); |
| |
| |
| assertEquals(expected, GetQuery("\"中国\"^0.5", analyzer)); |
| } |
| [Test] |
| public void TestCJKSloppyPhrase() |
| { |
| // individual CJK chars as terms |
| SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer(); |
| |
| PhraseQuery expected = new PhraseQuery(); |
| expected.Slop = (3); |
| expected.Add(new Term("field", "中")); |
| expected.Add(new Term("field", "国")); |
| |
| |
| assertEquals(expected, GetQuery("\"中国\"~3", analyzer)); |
| } |
| [Test] |
| public void TestSimple() |
| { |
| AssertQueryEquals("field=a", null, "a"); |
| AssertQueryEquals("\"term germ\"~2", null, "\"term germ\"~2"); |
| AssertQueryEquals("term term term", null, "term term term"); |
| AssertQueryEquals("t�rm term term", new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false), |
| "t�rm term term"); |
| AssertQueryEquals("�mlaut", new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false), "�mlaut"); |
| |
| // FIXME: change MockAnalyzer to not extend CharTokenizer for this test |
| //assertQueryEquals("\"\"", new KeywordAnalyzer(), ""); |
| //assertQueryEquals("foo:\"\"", new KeywordAnalyzer(), "foo:"); |
| |
| AssertQueryEquals("a AND b", null, "+a +b"); |
| AssertQueryEquals("(a AND b)", null, "+a +b"); |
| AssertQueryEquals("c OR (a AND b)", null, "c (+a +b)"); |
| |
| AssertQueryEquals("a AND NOT b", null, "+a -b"); |
| |
| AssertQueryEquals("a AND -b", null, "+a -b"); |
| |
| AssertQueryEquals("a AND !b", null, "+a -b"); |
| |
| AssertQueryEquals("a && b", null, "+a +b"); |
| |
| AssertQueryEquals("a && ! b", null, "+a -b"); |
| |
| AssertQueryEquals("a OR b", null, "a b"); |
| AssertQueryEquals("a || b", null, "a b"); |
| |
| AssertQueryEquals("a OR !b", null, "a -b"); |
| |
| AssertQueryEquals("a OR ! b", null, "a -b"); |
| |
| AssertQueryEquals("a OR -b", null, "a -b"); |
| |
| AssertQueryEquals("+term -term term", null, "+term -term term"); |
| AssertQueryEquals("foo:term AND field:anotherTerm", null, |
| "+foo:term +anotherterm"); |
| AssertQueryEquals("term AND \"phrase phrase\"", null, |
| "+term +\"phrase phrase\""); |
| AssertQueryEquals("\"hello there\"", null, "\"hello there\""); |
| assertTrue(GetQuery("a AND b", null) is BooleanQuery); |
| assertTrue(GetQuery("hello", null) is TermQuery); |
| assertTrue(GetQuery("\"hello there\"", null) is PhraseQuery); |
| |
| AssertQueryEquals("germ term^2.0", null, "germ term^2.0"); |
| AssertQueryEquals("(term)^2.0", null, "term^2.0"); |
| AssertQueryEquals("(germ term)^2.0", null, "(germ term)^2.0"); |
| AssertQueryEquals("term^2.0", null, "term^2.0"); |
| AssertQueryEquals("term^2", null, "term^2.0"); |
| AssertQueryEquals("\"germ term\"^2.0", null, "\"germ term\"^2.0"); |
| AssertQueryEquals("\"term germ\"^2", null, "\"term germ\"^2.0"); |
| |
| AssertQueryEquals("(foo OR bar) AND (baz OR boo)", null, |
| "+(foo bar) +(baz boo)"); |
| AssertQueryEquals("((a OR b) AND NOT c) OR d", null, "(+(a b) -c) d"); |
| AssertQueryEquals("+(apple \"steve jobs\") -(foo bar baz)", null, |
| "+(apple \"steve jobs\") -(foo bar baz)"); |
| AssertQueryEquals("+title:(dog OR cat) -author:\"bob dole\"", null, |
| "+(title:dog title:cat) -author:\"bob dole\""); |
| |
| } |
| [Test] |
| public void TestPunct() |
| { |
| Analyzer a = new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false); |
| AssertQueryEquals("a&b", a, "a&b"); |
| AssertQueryEquals("a&&b", a, "a&&b"); |
| AssertQueryEquals(".NET", a, ".NET"); |
| } |
| [Test] |
| public void TestGroup() |
| { |
| AssertQueryEquals("!(a AND b) OR c", null, "-(+a +b) c"); |
| AssertQueryEquals("!(a AND b) AND c", null, "-(+a +b) +c"); |
| AssertQueryEquals("((a AND b) AND c)", null, "+(+a +b) +c"); |
| AssertQueryEquals("(a AND b) AND c", null, "+(+a +b) +c"); |
| AssertQueryEquals("b !(a AND b)", null, "b -(+a +b)"); |
| AssertQueryEquals("(a AND b)^4 OR c", null, "((+a +b)^4.0) c"); |
| } |
| [Test] |
| public void TestSlop() |
| { |
| |
| AssertQueryEquals("\"term germ\"~2", null, "\"term germ\"~2"); |
| AssertQueryEquals("\"term germ\"~2 flork", null, "\"term germ\"~2 flork"); |
| AssertQueryEquals("\"term\"~2", null, "term"); |
| AssertQueryEquals("\" \"~2 germ", null, "germ"); |
| AssertQueryEquals("\"term germ\"~2^2", null, "\"term germ\"~2^2.0"); |
| } |
| [Test] |
| public void TestNumber() |
| { |
| // The numbers go away because SimpleAnalzyer ignores them |
| AssertQueryEquals("3", null, ""); |
| AssertQueryEquals("term 1.0 1 2", null, "term"); |
| AssertQueryEquals("term term1 term2", null, "term term term"); |
| |
| Analyzer a = new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false); |
| AssertQueryEquals("3", a, "3"); |
| AssertQueryEquals("term 1.0 1 2", a, "term 1.0 1 2"); |
| AssertQueryEquals("term term1 term2", a, "term term1 term2"); |
| } |
| [Test] |
| public void TestWildcard() |
| { |
| AssertQueryEquals("term*", null, "term*"); |
| AssertQueryEquals("term*^2", null, "term*^2.0"); |
| AssertQueryEquals("term~", null, "term~2"); |
| AssertQueryEquals("term~0.7", null, "term~1"); |
| |
| AssertQueryEquals("term~^3", null, "term~2^3.0"); |
| |
| AssertQueryEquals("term^3~", null, "term~2^3.0"); |
| AssertQueryEquals("term*germ", null, "term*germ"); |
| AssertQueryEquals("term*germ^3", null, "term*germ^3.0"); |
| |
| assertTrue(GetQuery("term*", null) is PrefixQuery); |
| assertTrue(GetQuery("term*^2", null) is PrefixQuery); |
| assertTrue(GetQuery("term~", null) is FuzzyQuery); |
| assertTrue(GetQuery("term~0.7", null) is FuzzyQuery); |
| FuzzyQuery fq = (FuzzyQuery)GetQuery("term~0.7", null); |
| assertEquals(1, fq.MaxEdits); |
| assertEquals(FuzzyQuery.DefaultPrefixLength, fq.PrefixLength); |
| fq = (FuzzyQuery)GetQuery("term~", null); |
| assertEquals(2, fq.MaxEdits); |
| assertEquals(FuzzyQuery.DefaultPrefixLength, fq.PrefixLength); |
| |
| AssertQueryNodeException("term~1.1"); // value > 1, throws exception |
| |
| assertTrue(GetQuery("term*germ", null) is WildcardQuery); |
| |
| /* |
| * Tests to see that wild card terms are (or are not) properly lower-cased |
| * with propery parser configuration |
| */ |
| // First prefix queries: |
| // by default, convert to lowercase: |
| AssertWildcardQueryEquals("Term*", true, "term*"); |
| // explicitly set lowercase: |
| AssertWildcardQueryEquals("term*", true, "term*"); |
| AssertWildcardQueryEquals("Term*", true, "term*"); |
| AssertWildcardQueryEquals("TERM*", true, "term*"); |
| // explicitly disable lowercase conversion: |
| AssertWildcardQueryEquals("term*", false, "term*"); |
| AssertWildcardQueryEquals("Term*", false, "Term*"); |
| AssertWildcardQueryEquals("TERM*", false, "TERM*"); |
| // Then 'full' wildcard queries: |
| // by default, convert to lowercase: |
| AssertWildcardQueryEquals("Te?m", "te?m"); |
| // explicitly set lowercase: |
| AssertWildcardQueryEquals("te?m", true, "te?m"); |
| AssertWildcardQueryEquals("Te?m", true, "te?m"); |
| AssertWildcardQueryEquals("TE?M", true, "te?m"); |
| AssertWildcardQueryEquals("Te?m*gerM", true, "te?m*germ"); |
| // explicitly disable lowercase conversion: |
| AssertWildcardQueryEquals("te?m", false, "te?m"); |
| AssertWildcardQueryEquals("Te?m", false, "Te?m"); |
| AssertWildcardQueryEquals("TE?M", false, "TE?M"); |
| AssertWildcardQueryEquals("Te?m*gerM", false, "Te?m*gerM"); |
| // Fuzzy queries: |
| AssertWildcardQueryEquals("Term~", "term~2"); |
| AssertWildcardQueryEquals("Term~", true, "term~2"); |
| AssertWildcardQueryEquals("Term~", false, "Term~2"); |
| // Range queries: |
| |
| // TODO: implement this on QueryParser |
| // Q0002E_INVALID_SYNTAX_CANNOT_PARSE: Syntax Error, cannot parse '[A TO |
| // C]': Lexical error at line 1, column 1. Encountered: "[" (91), after |
| // : "" |
| AssertWildcardQueryEquals("[A TO C]", "[a TO c]"); |
| AssertWildcardQueryEquals("[A TO C]", true, "[a TO c]"); |
| AssertWildcardQueryEquals("[A TO C]", false, "[A TO C]"); |
| // Test suffix queries: first disallow |
| try |
| { |
| AssertWildcardQueryEquals("*Term", true, "*term"); |
| fail(); |
| } |
| #pragma warning disable 168 |
| catch (QueryNodeException pe) |
| #pragma warning restore 168 |
| { |
| // expected exception |
| } |
| try |
| { |
| AssertWildcardQueryEquals("?Term", true, "?term"); |
| fail(); |
| } |
| #pragma warning disable 168 |
| catch (QueryNodeException pe) |
| #pragma warning restore 168 |
| { |
| // expected exception |
| } |
| // Test suffix queries: then allow |
| AssertWildcardQueryEquals("*Term", true, "*term", true); |
| AssertWildcardQueryEquals("?Term", true, "?term", true); |
| } |
| [Test] |
| public void TestLeadingWildcardType() |
| { |
| StandardQueryParser qp = GetParser(null); |
| qp.AllowLeadingWildcard = (true); |
| assertEquals(typeof(WildcardQuery), qp.Parse("t*erm*", "field").GetType()); |
| assertEquals(typeof(WildcardQuery), qp.Parse("?term*", "field").GetType()); |
| assertEquals(typeof(WildcardQuery), qp.Parse("*term*", "field").GetType()); |
| } |
| [Test] |
| public void TestQPA() |
| { |
| AssertQueryEquals("term term^3.0 term", qpAnalyzer, "term term^3.0 term"); |
| AssertQueryEquals("term stop^3.0 term", qpAnalyzer, "term term"); |
| |
| AssertQueryEquals("term term term", qpAnalyzer, "term term term"); |
| AssertQueryEquals("term +stop term", qpAnalyzer, "term term"); |
| AssertQueryEquals("term -stop term", qpAnalyzer, "term term"); |
| |
| AssertQueryEquals("drop AND (stop) AND roll", qpAnalyzer, "+drop +roll"); |
| AssertQueryEquals("term +(stop) term", qpAnalyzer, "term term"); |
| AssertQueryEquals("term -(stop) term", qpAnalyzer, "term term"); |
| |
| AssertQueryEquals("drop AND stop AND roll", qpAnalyzer, "+drop +roll"); |
| AssertQueryEquals("term phrase term", qpAnalyzer, |
| "term (phrase1 phrase2) term"); |
| |
| AssertQueryEquals("term AND NOT phrase term", qpAnalyzer, |
| "+term -(phrase1 phrase2) term"); |
| |
| AssertQueryEquals("stop^3", qpAnalyzer, ""); |
| AssertQueryEquals("stop", qpAnalyzer, ""); |
| AssertQueryEquals("(stop)^3", qpAnalyzer, ""); |
| AssertQueryEquals("((stop))^3", qpAnalyzer, ""); |
| AssertQueryEquals("(stop^3)", qpAnalyzer, ""); |
| AssertQueryEquals("((stop)^3)", qpAnalyzer, ""); |
| AssertQueryEquals("(stop)", qpAnalyzer, ""); |
| AssertQueryEquals("((stop))", qpAnalyzer, ""); |
| assertTrue(GetQuery("term term term", qpAnalyzer) is BooleanQuery); |
| assertTrue(GetQuery("term +stop", qpAnalyzer) is TermQuery); |
| } |
| [Test] |
| public void TestRange() |
| { |
| AssertQueryEquals("[ a TO z]", null, "[a TO z]"); |
| assertEquals(MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT, ((TermRangeQuery)GetQuery("[ a TO z]", null)).MultiTermRewriteMethod); |
| |
| StandardQueryParser qp = new StandardQueryParser(); |
| |
| qp.MultiTermRewriteMethod = (MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE); |
| assertEquals(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE, ((TermRangeQuery)qp.Parse("[ a TO z]", "field")).MultiTermRewriteMethod); |
| |
| // test open ranges |
| AssertQueryEquals("[ a TO * ]", null, "[a TO *]"); |
| AssertQueryEquals("[ * TO z ]", null, "[* TO z]"); |
| AssertQueryEquals("[ * TO * ]", null, "[* TO *]"); |
| |
| |
| AssertQueryEquals("field>=a", null, "[a TO *]"); |
| AssertQueryEquals("field>a", null, "{a TO *]"); |
| AssertQueryEquals("field<=a", null, "[* TO a]"); |
| AssertQueryEquals("field<a", null, "[* TO a}"); |
| |
| // mixing exclude and include bounds |
| AssertQueryEquals("{ a TO z ]", null, "{a TO z]"); |
| AssertQueryEquals("[ a TO z }", null, "[a TO z}"); |
| AssertQueryEquals("{ a TO * ]", null, "{a TO *]"); |
| AssertQueryEquals("[ * TO z }", null, "[* TO z}"); |
| |
| |
| AssertQueryEquals("[ a TO z ]", null, "[a TO z]"); |
| AssertQueryEquals("{ a TO z}", null, "{a TO z}"); |
| AssertQueryEquals("{ a TO z }", null, "{a TO z}"); |
| AssertQueryEquals("{ a TO z }^2.0", null, "{a TO z}^2.0"); |
| AssertQueryEquals("[ a TO z] OR bar", null, "[a TO z] bar"); |
| AssertQueryEquals("[ a TO z] AND bar", null, "+[a TO z] +bar"); |
| AssertQueryEquals("( bar blar { a TO z}) ", null, "bar blar {a TO z}"); |
| AssertQueryEquals("gack ( bar blar { a TO z}) ", null, |
| "gack (bar blar {a TO z})"); |
| } |
| |
| /** for testing DateTools support */ |
| private String GetDate(String s, DateTools.Resolution resolution) |
| |
| { |
| // we use the default Locale since LuceneTestCase randomizes it |
| //DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, Locale.getDefault()); |
| //return getDate(df.parse(s), resolution); |
| |
| return GetDate(DateTime.Parse(s), resolution); // TODO: Locale... |
| } |
| |
| /** for testing DateTools support */ |
| private String GetDate(DateTime d, DateTools.Resolution resolution) |
| { |
| return DateTools.DateToString(d, resolution); |
| } |
| |
| private String EscapeDateString(String s) |
| { |
| if (s.Contains(" ")) |
| { |
| return "\"" + s + "\""; |
| } |
| else |
| { |
| return s; |
| } |
| } |
| |
| private String GetLocalizedDate(int year, int month, int day) |
| { |
| DateTime date = new GregorianCalendar().ToDateTime(year, month, day, 23, 59, 59, 999); |
| date = TimeZoneInfo.ConvertTime(date, TimeZoneInfo.Local); |
| return date.ToString("d"); //.ToShortDateString(); |
| |
| //// we use the default Locale/TZ since LuceneTestCase randomizes it |
| //DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, Locale.getDefault()); |
| //Calendar calendar = new GregorianCalendar(TimeZone.getDefault(), Locale.getDefault()); |
| //calendar.clear(); |
| //calendar.set(year, month, day); |
| //calendar.set(Calendar.HOUR_OF_DAY, 23); |
| //calendar.set(Calendar.MINUTE, 59); |
| //calendar.set(Calendar.SECOND, 59); |
| //calendar.set(Calendar.MILLISECOND, 999); |
| //return df.format(calendar.getTime()); |
| } |
| [Test] |
| public void TestDateRange() |
| { |
| String startDate = GetLocalizedDate(2002, 1, 1); |
| String endDate = GetLocalizedDate(2002, 1, 4); |
| |
| //// we use the default Locale/TZ since LuceneTestCase randomizes it |
| //Calendar endDateExpected = new GregorianCalendar(TimeZone.getDefault(), Locale.getDefault()); |
| //endDateExpected.clear(); |
| //endDateExpected.set(2002, 1, 4, 23, 59, 59); |
| //endDateExpected.set(Calendar.MILLISECOND, 999); |
| |
| // we use the default Locale/TZ since LuceneTestCase randomizes it |
| DateTime endDateExpected = new GregorianCalendar().ToDateTime(2002, 1, 4, 23, 59, 59, 999); |
| |
| String defaultField = "default"; |
| String monthField = "month"; |
| String hourField = "hour"; |
| StandardQueryParser qp = new StandardQueryParser(); |
| |
| IDictionary<string, DateTools.Resolution?> dateRes = new Dictionary<string, DateTools.Resolution?>(); |
| |
| // set a field specific date resolution |
| dateRes.Put(monthField, DateTools.Resolution.MONTH); |
| #pragma warning disable 612, 618 |
| qp.SetDateResolution(dateRes); |
| #pragma warning restore 612, 618 |
| |
| // set default date resolution to MILLISECOND |
| qp.SetDateResolution(DateTools.Resolution.MILLISECOND); |
| |
| // set second field specific date resolution |
| dateRes.Put(hourField, DateTools.Resolution.HOUR); |
| #pragma warning disable 612, 618 |
| qp.SetDateResolution(dateRes); |
| #pragma warning restore 612, 618 |
| |
| // for this field no field specific date resolution has been set, |
| // so verify if the default resolution is used |
| AssertDateRangeQueryEquals(qp, defaultField, startDate, endDate, |
| endDateExpected/*.getTime()*/, DateTools.Resolution.MILLISECOND); |
| |
| // verify if field specific date resolutions are used for these two |
| // fields |
| AssertDateRangeQueryEquals(qp, monthField, startDate, endDate, |
| endDateExpected/*.getTime()*/, DateTools.Resolution.MONTH); |
| |
| AssertDateRangeQueryEquals(qp, hourField, startDate, endDate, |
| endDateExpected/*.getTime()*/, DateTools.Resolution.HOUR); |
| } |
| |
| public void AssertDateRangeQueryEquals(StandardQueryParser qp, |
| String field, String startDate, String endDate, DateTime endDateInclusive, |
| DateTools.Resolution resolution) |
| { |
| AssertQueryEquals(qp, field, field + ":[" + EscapeDateString(startDate) + " TO " + EscapeDateString(endDate) |
| + "]", "[" + GetDate(startDate, resolution) + " TO " |
| + GetDate(endDateInclusive, resolution) + "]"); |
| AssertQueryEquals(qp, field, field + ":{" + EscapeDateString(startDate) + " TO " + EscapeDateString(endDate) |
| + "}", "{" + GetDate(startDate, resolution) + " TO " |
| + GetDate(endDate, resolution) + "}"); |
| } |
| [Test] |
| public void TestEscaped() |
| { |
| Analyzer a = new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false); |
| |
| /* |
| * assertQueryEquals("\\[brackets", a, "\\[brackets"); |
| * assertQueryEquals("\\[brackets", null, "brackets"); |
| * assertQueryEquals("\\\\", a, "\\\\"); assertQueryEquals("\\+blah", a, |
| * "\\+blah"); assertQueryEquals("\\(blah", a, "\\(blah"); |
| * |
| * assertQueryEquals("\\-blah", a, "\\-blah"); assertQueryEquals("\\!blah", |
| * a, "\\!blah"); assertQueryEquals("\\{blah", a, "\\{blah"); |
| * assertQueryEquals("\\}blah", a, "\\}blah"); assertQueryEquals("\\:blah", |
| * a, "\\:blah"); assertQueryEquals("\\^blah", a, "\\^blah"); |
| * assertQueryEquals("\\[blah", a, "\\[blah"); assertQueryEquals("\\]blah", |
| * a, "\\]blah"); assertQueryEquals("\\\"blah", a, "\\\"blah"); |
| * assertQueryEquals("\\(blah", a, "\\(blah"); assertQueryEquals("\\)blah", |
| * a, "\\)blah"); assertQueryEquals("\\~blah", a, "\\~blah"); |
| * assertQueryEquals("\\*blah", a, "\\*blah"); assertQueryEquals("\\?blah", |
| * a, "\\?blah"); //assertQueryEquals("foo \\&\\& bar", a, |
| * "foo \\&\\& bar"); //assertQueryEquals("foo \\|| bar", a, |
| * "foo \\|| bar"); //assertQueryEquals("foo \\AND bar", a, |
| * "foo \\AND bar"); |
| */ |
| |
| AssertQueryEquals("\\*", a, "*"); |
| |
| |
| AssertQueryEquals("\\a", a, "a"); |
| |
| AssertQueryEquals("a\\-b:c", a, "a-b:c"); |
| AssertQueryEquals("a\\+b:c", a, "a+b:c"); |
| AssertQueryEquals("a\\:b:c", a, "a:b:c"); |
| AssertQueryEquals("a\\\\b:c", a, "a\\b:c"); |
| |
| AssertQueryEquals("a:b\\-c", a, "a:b-c"); |
| AssertQueryEquals("a:b\\+c", a, "a:b+c"); |
| AssertQueryEquals("a:b\\:c", a, "a:b:c"); |
| AssertQueryEquals("a:b\\\\c", a, "a:b\\c"); |
| |
| AssertQueryEquals("a:b\\-c*", a, "a:b-c*"); |
| AssertQueryEquals("a:b\\+c*", a, "a:b+c*"); |
| AssertQueryEquals("a:b\\:c*", a, "a:b:c*"); |
| |
| AssertQueryEquals("a:b\\\\c*", a, "a:b\\c*"); |
| |
| AssertQueryEquals("a:b\\-?c", a, "a:b-?c"); |
| AssertQueryEquals("a:b\\+?c", a, "a:b+?c"); |
| AssertQueryEquals("a:b\\:?c", a, "a:b:?c"); |
| |
| AssertQueryEquals("a:b\\\\?c", a, "a:b\\?c"); |
| |
| AssertQueryEquals("a:b\\-c~", a, "a:b-c~2"); |
| AssertQueryEquals("a:b\\+c~", a, "a:b+c~2"); |
| AssertQueryEquals("a:b\\:c~", a, "a:b:c~2"); |
| AssertQueryEquals("a:b\\\\c~", a, "a:b\\c~2"); |
| |
| // TODO: implement Range queries on QueryParser |
| AssertQueryEquals("[ a\\- TO a\\+ ]", null, "[a- TO a+]"); |
| AssertQueryEquals("[ a\\: TO a\\~ ]", null, "[a: TO a~]"); |
| AssertQueryEquals("[ a\\\\ TO a\\* ]", null, "[a\\ TO a*]"); |
| |
| AssertQueryEquals( |
| "[\"c\\:\\\\temp\\\\\\~foo0.txt\" TO \"c\\:\\\\temp\\\\\\~foo9.txt\"]", |
| a, "[c:\\temp\\~foo0.txt TO c:\\temp\\~foo9.txt]"); |
| |
| AssertQueryEquals("a\\\\\\+b", a, "a\\+b"); |
| |
| AssertQueryEquals("a \\\"b c\\\" d", a, "a \"b c\" d"); |
| AssertQueryEquals("\"a \\\"b c\\\" d\"", a, "\"a \"b c\" d\""); |
| AssertQueryEquals("\"a \\+b c d\"", a, "\"a +b c d\""); |
| |
| AssertQueryEquals("c\\:\\\\temp\\\\\\~foo.txt", a, "c:\\temp\\~foo.txt"); |
| |
| AssertQueryNodeException("XY\\"); // there must be a character after the |
| // escape char |
| |
| // test unicode escaping |
| AssertQueryEquals("a\\u0062c", a, "abc"); |
| AssertQueryEquals("XY\\u005a", a, "XYZ"); |
| AssertQueryEquals("XY\\u005A", a, "XYZ"); |
| AssertQueryEquals("\"a \\\\\\u0028\\u0062\\\" c\"", a, "\"a \\(b\" c\""); |
| |
| AssertQueryNodeException("XY\\u005G"); // test non-hex character in escaped |
| // unicode sequence |
| AssertQueryNodeException("XY\\u005"); // test incomplete escaped unicode |
| // sequence |
| |
| // Tests bug LUCENE-800 |
| AssertQueryEquals("(item:\\\\ item:ABCD\\\\)", a, "item:\\ item:ABCD\\"); |
| AssertQueryNodeException("(item:\\\\ item:ABCD\\\\))"); // unmatched closing |
| // paranthesis |
| AssertQueryEquals("\\*", a, "*"); |
| AssertQueryEquals("\\\\", a, "\\"); // escaped backslash |
| |
| AssertQueryNodeException("\\"); // a backslash must always be escaped |
| |
| // LUCENE-1189 |
| AssertQueryEquals("(\"a\\\\\") or (\"b\")", a, "a\\ or b"); |
| } |
| [Test] |
| public void TestQueryStringEscaping() |
| { |
| Analyzer a = new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false); |
| |
| AssertEscapedQueryEquals("a-b:c", a, "a\\-b\\:c"); |
| AssertEscapedQueryEquals("a+b:c", a, "a\\+b\\:c"); |
| AssertEscapedQueryEquals("a:b:c", a, "a\\:b\\:c"); |
| AssertEscapedQueryEquals("a\\b:c", a, "a\\\\b\\:c"); |
| |
| AssertEscapedQueryEquals("a:b-c", a, "a\\:b\\-c"); |
| AssertEscapedQueryEquals("a:b+c", a, "a\\:b\\+c"); |
| AssertEscapedQueryEquals("a:b:c", a, "a\\:b\\:c"); |
| AssertEscapedQueryEquals("a:b\\c", a, "a\\:b\\\\c"); |
| |
| AssertEscapedQueryEquals("a:b-c*", a, "a\\:b\\-c\\*"); |
| AssertEscapedQueryEquals("a:b+c*", a, "a\\:b\\+c\\*"); |
| AssertEscapedQueryEquals("a:b:c*", a, "a\\:b\\:c\\*"); |
| |
| AssertEscapedQueryEquals("a:b\\\\c*", a, "a\\:b\\\\\\\\c\\*"); |
| |
| AssertEscapedQueryEquals("a:b-?c", a, "a\\:b\\-\\?c"); |
| AssertEscapedQueryEquals("a:b+?c", a, "a\\:b\\+\\?c"); |
| AssertEscapedQueryEquals("a:b:?c", a, "a\\:b\\:\\?c"); |
| |
| AssertEscapedQueryEquals("a:b?c", a, "a\\:b\\?c"); |
| |
| AssertEscapedQueryEquals("a:b-c~", a, "a\\:b\\-c\\~"); |
| AssertEscapedQueryEquals("a:b+c~", a, "a\\:b\\+c\\~"); |
| AssertEscapedQueryEquals("a:b:c~", a, "a\\:b\\:c\\~"); |
| AssertEscapedQueryEquals("a:b\\c~", a, "a\\:b\\\\c\\~"); |
| |
| AssertEscapedQueryEquals("[ a - TO a+ ]", null, "\\[ a \\- TO a\\+ \\]"); |
| AssertEscapedQueryEquals("[ a : TO a~ ]", null, "\\[ a \\: TO a\\~ \\]"); |
| AssertEscapedQueryEquals("[ a\\ TO a* ]", null, "\\[ a\\\\ TO a\\* \\]"); |
| |
| // LUCENE-881 |
| AssertEscapedQueryEquals("|| abc ||", a, "\\|\\| abc \\|\\|"); |
| AssertEscapedQueryEquals("&& abc &&", a, "\\&\\& abc \\&\\&"); |
| } |
| |
| [Test] |
| [Ignore("flexible queryparser shouldn't escape wildcard terms")] |
| public void TestEscapedWildcard() |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)); |
| |
| WildcardQuery q = new WildcardQuery(new Term("field", "foo\\?ba?r")); |
| assertEquals(q, qp.Parse("foo\\?ba?r", "field")); |
| } |
| [Test] |
| public void TestTabNewlineCarriageReturn() |
| { |
| AssertQueryEqualsDOA("+weltbank +worlbank", null, "+weltbank +worlbank"); |
| |
| AssertQueryEqualsDOA("+weltbank\n+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \n+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \n +worlbank", null, "+weltbank +worlbank"); |
| |
| AssertQueryEqualsDOA("+weltbank\r+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \r+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \r +worlbank", null, "+weltbank +worlbank"); |
| |
| AssertQueryEqualsDOA("+weltbank\r\n+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \r\n+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \r\n +worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \r \n +worlbank", null, |
| "+weltbank +worlbank"); |
| |
| AssertQueryEqualsDOA("+weltbank\t+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \t+worlbank", null, "+weltbank +worlbank"); |
| AssertQueryEqualsDOA("weltbank \t +worlbank", null, "+weltbank +worlbank"); |
| } |
| [Test] |
| public void TestSimpleDAO() |
| { |
| AssertQueryEqualsDOA("term term term", null, "+term +term +term"); |
| AssertQueryEqualsDOA("term +term term", null, "+term +term +term"); |
| AssertQueryEqualsDOA("term term +term", null, "+term +term +term"); |
| AssertQueryEqualsDOA("term +term +term", null, "+term +term +term"); |
| AssertQueryEqualsDOA("-term term term", null, "-term +term +term"); |
| } |
| [Test] |
| public void TestBoost() |
| { |
| CharacterRunAutomaton stopSet = new CharacterRunAutomaton(BasicAutomata.MakeString("on")); |
| Analyzer oneStopAnalyzer = new MockAnalyzer(Random, MockTokenizer.SIMPLE, true, stopSet); |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (oneStopAnalyzer); |
| |
| Query q = qp.Parse("on^1.0", "field"); |
| assertNotNull(q); |
| q = qp.Parse("\"hello\"^2.0", "field"); |
| assertNotNull(q); |
| assertEquals(q.Boost, (float)2.0, (float)0.5); |
| q = qp.Parse("hello^2.0", "field"); |
| assertNotNull(q); |
| assertEquals(q.Boost, (float)2.0, (float)0.5); |
| q = qp.Parse("\"on\"^1.0", "field"); |
| assertNotNull(q); |
| |
| StandardQueryParser qp2 = new StandardQueryParser(); |
| qp2.Analyzer = (new MockAnalyzer(Random, MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET)); |
| |
| q = qp2.Parse("the^3", "field"); |
| // "the" is a stop word so the result is an empty query: |
| assertNotNull(q); |
| assertEquals("", q.toString()); |
| assertEquals(1.0f, q.Boost, 0.01f); |
| } |
| |
| public void AssertQueryNodeException(String queryString) |
| { |
| try |
| { |
| GetQuery(queryString, null); |
| } |
| #pragma warning disable 168 |
| catch (QueryNodeException expected) |
| #pragma warning restore 168 |
| { |
| return; |
| } |
| fail("ParseException expected, not thrown"); |
| } |
| [Test] |
| public void TestException() |
| { |
| AssertQueryNodeException("*leadingWildcard"); // disallowed by default |
| AssertQueryNodeException("\"some phrase"); |
| AssertQueryNodeException("(foo bar"); |
| AssertQueryNodeException("foo bar))"); |
| AssertQueryNodeException("field:term:with:colon some more terms"); |
| AssertQueryNodeException("(sub query)^5.0^2.0 plus more"); |
| AssertQueryNodeException("secret AND illegal) AND access:confidential"); |
| } |
| [Test] |
| public void TestCustomQueryParserWildcard() |
| { |
| try |
| { |
| new QPTestParser(new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)).Parse("a?t", "contents"); |
| fail("Wildcard queries should not be allowed"); |
| } |
| #pragma warning disable 168 |
| catch (QueryNodeException expected) |
| #pragma warning restore 168 |
| { |
| // expected exception |
| } |
| } |
| [Test] |
| public void TestCustomQueryParserFuzzy() |
| { |
| try |
| { |
| new QPTestParser(new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)).Parse("xunit~", "contents"); |
| fail("Fuzzy queries should not be allowed"); |
| } |
| #pragma warning disable 168 |
| catch (QueryNodeException expected) |
| #pragma warning restore 168 |
| { |
| // expected exception |
| } |
| } |
| |
| [Test] |
| public void TestBooleanQuery() |
| { |
| BooleanQuery.MaxClauseCount = (2); |
| try |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)); |
| |
| qp.Parse("one two three", "field"); |
| fail("ParseException expected due to too many boolean clauses"); |
| } |
| #pragma warning disable 168 |
| catch (QueryNodeException expected) |
| #pragma warning restore 168 |
| { |
| // too many boolean clauses, so ParseException is expected |
| } |
| } |
| |
| /** |
| * This test differs from TestPrecedenceQueryParser |
| */ |
| [Test] |
| public void TestPrecedence() |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)); |
| |
| Query query1 = qp.Parse("A AND B OR C AND D", "field"); |
| Query query2 = qp.Parse("+A +B +C +D", "field"); |
| |
| assertEquals(query1, query2); |
| } |
| |
| // [Test] |
| // Todo: Convert from DateField to DateUtil |
| // public void TestLocalDateFormat() throws IOException, QueryNodeException { |
| // Directory ramDir = newDirectory(); |
| // IndexWriter iw = new IndexWriter(ramDir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random, MockTokenizer.WHITESPACE, false))); |
| // addDateDoc("a", 2005, 12, 2, 10, 15, 33, iw); |
| // addDateDoc("b", 2005, 12, 4, 22, 15, 00, iw); |
| // iw.close(); |
| // IndexSearcher is = new IndexSearcher(ramDir, true); |
| // assertHits(1, "[12/1/2005 TO 12/3/2005]", is); |
| // assertHits(2, "[12/1/2005 TO 12/4/2005]", is); |
| // assertHits(1, "[12/3/2005 TO 12/4/2005]", is); |
| // assertHits(1, "{12/1/2005 TO 12/3/2005}", is); |
| // assertHits(1, "{12/1/2005 TO 12/4/2005}", is); |
| // assertHits(0, "{12/3/2005 TO 12/4/2005}", is); |
| // is.close(); |
| // ramDir.close(); |
| // } |
| // |
| // private void addDateDoc(String content, int year, int month, int day, |
| // int hour, int minute, int second, IndexWriter iw) throws IOException { |
| // Document d = new Document(); |
| // d.add(newField("f", content, Field.Store.YES, Field.Index.ANALYZED)); |
| // Calendar cal = Calendar.getInstance(Locale.ENGLISH); |
| // cal.set(year, month - 1, day, hour, minute, second); |
| // d.add(newField("date", DateField.dateToString(cal.getTime()), |
| // Field.Store.YES, Field.Index.NOT_ANALYZED)); |
| // iw.addDocument(d); |
| // } |
| |
| [Test] |
| public void TestStarParsing() |
| { |
| // final int[] type = new int[1]; |
| // StandardQueryParser qp = new StandardQueryParser("field", new |
| // WhitespaceAnalyzer()) { |
| // protected Query getWildcardQuery(String field, String termStr) throws |
| // ParseException { |
| // // override error checking of superclass |
| // type[0]=1; |
| // return new TermQuery(new Term(field,termStr)); |
| // } |
| // protected Query getPrefixQuery(String field, String termStr) throws |
| // ParseException { |
| // // override error checking of superclass |
| // type[0]=2; |
| // return new TermQuery(new Term(field,termStr)); |
| // } |
| // |
| // protected Query getFieldQuery(String field, String queryText) throws |
| // ParseException { |
| // type[0]=3; |
| // return super.getFieldQuery(field, queryText); |
| // } |
| // }; |
| // |
| // TermQuery tq; |
| // |
| // tq = (TermQuery)qp.parse("foo:zoo*"); |
| // assertEquals("zoo",tq.getTerm().text()); |
| // assertEquals(2,type[0]); |
| // |
| // tq = (TermQuery)qp.parse("foo:zoo*^2"); |
| // assertEquals("zoo",tq.getTerm().text()); |
| // assertEquals(2,type[0]); |
| // assertEquals(tq.getBoost(),2,0); |
| // |
| // tq = (TermQuery)qp.parse("foo:*"); |
| // assertEquals("*",tq.getTerm().text()); |
| // assertEquals(1,type[0]); // could be a valid prefix query in the |
| // future too |
| // |
| // tq = (TermQuery)qp.parse("foo:*^2"); |
| // assertEquals("*",tq.getTerm().text()); |
| // assertEquals(1,type[0]); |
| // assertEquals(tq.getBoost(),2,0); |
| // |
| // tq = (TermQuery)qp.parse("*:foo"); |
| // assertEquals("*",tq.getTerm().field()); |
| // assertEquals("foo",tq.getTerm().text()); |
| // assertEquals(3,type[0]); |
| // |
| // tq = (TermQuery)qp.parse("*:*"); |
| // assertEquals("*",tq.getTerm().field()); |
| // assertEquals("*",tq.getTerm().text()); |
| // assertEquals(1,type[0]); // could be handled as a prefix query in the |
| // future |
| // |
| // tq = (TermQuery)qp.parse("(*:*)"); |
| // assertEquals("*",tq.getTerm().field()); |
| // assertEquals("*",tq.getTerm().text()); |
| // assertEquals(1,type[0]); |
| |
| } |
| [Test] |
| public void TestRegexps() |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| String df = "field"; |
| RegexpQuery q = new RegexpQuery(new Term("field", "[a-z][123]")); |
| assertEquals(q, qp.Parse("/[a-z][123]/", df)); |
| qp.LowercaseExpandedTerms = (true); |
| assertEquals(q, qp.Parse("/[A-Z][123]/", df)); |
| q.Boost = (0.5f); |
| assertEquals(q, qp.Parse("/[A-Z][123]/^0.5", df)); |
| qp.MultiTermRewriteMethod = MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE; |
| q.MultiTermRewriteMethod = MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE; |
| assertTrue(qp.Parse("/[A-Z][123]/^0.5", df) is RegexpQuery); |
| assertEquals(q, qp.Parse("/[A-Z][123]/^0.5", df)); |
| assertEquals(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE, ((RegexpQuery)qp.Parse("/[A-Z][123]/^0.5", df)).MultiTermRewriteMethod); |
| qp.MultiTermRewriteMethod = (MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT); |
| |
| Query escaped = new RegexpQuery(new Term("field", "[a-z]\\/[123]")); |
| assertEquals(escaped, qp.Parse("/[a-z]\\/[123]/", df)); |
| Query escaped2 = new RegexpQuery(new Term("field", "[a-z]\\*[123]")); |
| assertEquals(escaped2, qp.Parse("/[a-z]\\*[123]/", df)); |
| |
| BooleanQuery complex = new BooleanQuery(); |
| complex.Add(new RegexpQuery(new Term("field", "[a-z]\\/[123]")), Occur.MUST); |
| complex.Add(new TermQuery(new Term("path", "/etc/init.d/")), Occur.MUST); |
| complex.Add(new TermQuery(new Term("field", "/etc/init[.]d/lucene/")), Occur.SHOULD); |
| assertEquals(complex, qp.Parse("/[a-z]\\/[123]/ AND path:\"/etc/init.d/\" OR \"/etc\\/init\\[.\\]d/lucene/\" ", df)); |
| |
| Query re = new RegexpQuery(new Term("field", "http.*")); |
| assertEquals(re, qp.Parse("field:/http.*/", df)); |
| assertEquals(re, qp.Parse("/http.*/", df)); |
| |
| re = new RegexpQuery(new Term("field", "http~0.5")); |
| assertEquals(re, qp.Parse("field:/http~0.5/", df)); |
| assertEquals(re, qp.Parse("/http~0.5/", df)); |
| |
| re = new RegexpQuery(new Term("field", "boo")); |
| assertEquals(re, qp.Parse("field:/boo/", df)); |
| assertEquals(re, qp.Parse("/boo/", df)); |
| |
| |
| assertEquals(new TermQuery(new Term("field", "/boo/")), qp.Parse("\"/boo/\"", df)); |
| assertEquals(new TermQuery(new Term("field", "/boo/")), qp.Parse("\\/boo\\/", df)); |
| |
| BooleanQuery two = new BooleanQuery(); |
| two.Add(new RegexpQuery(new Term("field", "foo")), Occur.SHOULD); |
| two.Add(new RegexpQuery(new Term("field", "bar")), Occur.SHOULD); |
| assertEquals(two, qp.Parse("field:/foo/ field:/bar/", df)); |
| assertEquals(two, qp.Parse("/foo/ /bar/", df)); |
| } |
| [Test] |
| public void TestStopwords() |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| CharacterRunAutomaton stopSet = new CharacterRunAutomaton(new RegExp("the|foo").ToAutomaton()); |
| qp.Analyzer = (new MockAnalyzer(Random, MockTokenizer.SIMPLE, true, stopSet)); |
| |
| Query result = qp.Parse("a:the OR a:foo", "a"); |
| assertNotNull("result is null and it shouldn't be", result); |
| assertTrue("result is not a BooleanQuery", result is BooleanQuery); |
| assertTrue(((BooleanQuery)result).Clauses.size() + " does not equal: " |
| + 0, ((BooleanQuery)result).Clauses.size() == 0); |
| result = qp.Parse("a:woo OR a:the", "a"); |
| assertNotNull("result is null and it shouldn't be", result); |
| assertTrue("result is not a TermQuery", result is TermQuery); |
| result = qp.Parse( |
| "(fieldX:xxxxx OR fieldy:xxxxxxxx)^2 AND (fieldx:the OR fieldy:foo)", |
| "a"); |
| assertNotNull("result is null and it shouldn't be", result); |
| assertTrue("result is not a BooleanQuery", result is BooleanQuery); |
| if (Verbose) |
| Console.WriteLine("Result: " + result); |
| assertTrue(((BooleanQuery)result).Clauses.size() + " does not equal: " |
| + 2, ((BooleanQuery)result).Clauses.size() == 2); |
| } |
| [Test] |
| public void TestPositionIncrement() |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = ( |
| new MockAnalyzer(Random, MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET)); |
| |
| qp.EnablePositionIncrements = (true); |
| |
| String qtxt = "\"the words in poisitions pos02578 are stopped in this phrasequery\""; |
| // 0 2 5 7 8 |
| int[] expectedPositions = { 1, 3, 4, 6, 9 }; |
| PhraseQuery pq = (PhraseQuery)qp.Parse(qtxt, "a"); |
| // System.out.println("Query text: "+qtxt); |
| // System.out.println("Result: "+pq); |
| Term[] t = pq.GetTerms(); |
| int[] pos = pq.GetPositions(); |
| for (int i = 0; i < t.Length; i++) |
| { |
| // System.out.println(i+". "+t[i]+" pos: "+pos[i]); |
| assertEquals("term " + i + " = " + t[i] + " has wrong term-position!", |
| expectedPositions[i], pos[i]); |
| } |
| } |
| [Test] |
| public void TestMatchAllDocs() |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)); |
| |
| assertEquals(new MatchAllDocsQuery(), qp.Parse("*:*", "field")); |
| assertEquals(new MatchAllDocsQuery(), qp.Parse("(*:*)", "field")); |
| BooleanQuery bq = (BooleanQuery)qp.Parse("+*:* -*:*", "field"); |
| assertTrue(bq.Clauses[0].Query is MatchAllDocsQuery); |
| assertTrue(bq.Clauses[1].Query is MatchAllDocsQuery); |
| } |
| |
| private void AssertHits(int expected, String query, IndexSearcher @is) |
| { |
| StandardQueryParser qp = new StandardQueryParser(); |
| qp.Analyzer = (new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false)); |
| qp.Locale = new CultureInfo("en");// (Locale.ENGLISH); |
| |
| Query q = qp.Parse(query, "date"); |
| ScoreDoc[] hits = @is.Search(q, null, 1000).ScoreDocs; |
| assertEquals(expected, hits.Length); |
| } |
| |
| |
| public override void TearDown() |
| { |
| BooleanQuery.MaxClauseCount = (originalMaxClauses); |
| base.TearDown(); |
| } |
| |
| private sealed class CannedTokenizer : Tokenizer |
| { |
| private int upto = 0; |
| private readonly IPositionIncrementAttribute posIncr; |
| private readonly ICharTermAttribute term; |
| |
| public CannedTokenizer(TextReader reader) |
| : base(reader) |
| { |
| posIncr = AddAttribute<IPositionIncrementAttribute>(); |
| term = AddAttribute<ICharTermAttribute>(); |
| } |
| |
| |
| public override bool IncrementToken() |
| { |
| ClearAttributes(); |
| if (upto == 4) |
| { |
| return false; |
| } |
| if (upto == 0) |
| { |
| posIncr.PositionIncrement = (1); |
| term.SetEmpty().Append("a"); |
| } |
| else if (upto == 1) |
| { |
| posIncr.PositionIncrement = (1); |
| term.SetEmpty().Append("b"); |
| } |
| else if (upto == 2) |
| { |
| posIncr.PositionIncrement = (0); |
| term.SetEmpty().Append("c"); |
| } |
| else |
| { |
| posIncr.PositionIncrement = (0); |
| term.SetEmpty().Append("d"); |
| } |
| upto++; |
| return true; |
| } |
| |
| |
| public override void Reset() |
| { |
| base.Reset(); |
| this.upto = 0; |
| } |
| } |
| |
| private class CannedAnalyzer : Analyzer |
| { |
| |
| protected internal override TokenStreamComponents CreateComponents(String ignored, TextReader alsoIgnored) |
| { |
| return new TokenStreamComponents(new CannedTokenizer(alsoIgnored)); |
| } |
| } |
| [Test] |
| public void TestMultiPhraseQuery() |
| { |
| Store.Directory dir = NewDirectory(); |
| IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new CannedAnalyzer())); |
| Document doc = new Document(); |
| doc.Add(NewTextField("field", "", Field.Store.NO)); |
| w.AddDocument(doc); |
| IndexReader r = DirectoryReader.Open(w, true); |
| IndexSearcher s = NewSearcher(r); |
| |
| Query q = new StandardQueryParser(new CannedAnalyzer()).Parse("\"a\"", "field"); |
| assertTrue(q is MultiPhraseQuery); |
| assertEquals(1, s.Search(q, 10).TotalHits); |
| r.Dispose(); |
| w.Dispose(); |
| dir.Dispose(); |
| } |
| [Test] |
| public void TestRegexQueryParsing() |
| { |
| String[] |
| fields = { "b", "t" }; |
| |
| StandardQueryParser parser = new StandardQueryParser(); |
| parser.SetMultiFields(fields); |
| parser.DefaultOperator = (StandardQueryConfigHandler.Operator.AND); |
| parser.Analyzer = (new MockAnalyzer(Random)); |
| |
| BooleanQuery exp = new BooleanQuery(); |
| exp.Add(new BooleanClause(new RegexpQuery(new Term("b", "ab.+")), Occur.SHOULD));//TODO spezification? was "MUST" |
| exp.Add(new BooleanClause(new RegexpQuery(new Term("t", "ab.+")), Occur.SHOULD));//TODO spezification? was "MUST" |
| |
| assertEquals(exp, parser.Parse("/ab.+/", null)); |
| |
| RegexpQuery regexpQueryexp = new RegexpQuery(new Term("test", "[abc]?[0-9]")); |
| |
| assertEquals(regexpQueryexp, parser.Parse("test:/[abc]?[0-9]/", null)); |
| |
| } |
| |
| } |
| } |
