/*
* 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.
*/
package org.apache.lucene.queryparser.flexible.standard;
import java.io.IOException;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockTokenFilter;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
import org.apache.lucene.analysis.tokenattributes.PositionIncrementAttribute;
import org.apache.lucene.document.DateTools;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.core.messages.QueryParserMessages;
import org.apache.lucene.queryparser.flexible.core.nodes.FuzzyQueryNode;
import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;
import org.apache.lucene.queryparser.flexible.core.processors.QueryNodeProcessorImpl;
import org.apache.lucene.queryparser.flexible.core.processors.QueryNodeProcessorPipeline;
import org.apache.lucene.queryparser.flexible.messages.MessageImpl;
import org.apache.lucene.queryparser.flexible.standard.config.StandardQueryConfigHandler;
import org.apache.lucene.queryparser.flexible.standard.nodes.WildcardQueryNode;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.BoostQuery;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.MatchNoDocsQuery;
import org.apache.lucene.search.MultiPhraseQuery;
import org.apache.lucene.search.MultiTermQuery;
import org.apache.lucene.search.PhraseQuery;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.RegexpQuery;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TermRangeQuery;
import org.apache.lucene.search.WildcardQuery;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.automaton.Automata;
import org.apache.lucene.util.automaton.CharacterRunAutomaton;
import org.apache.lucene.util.automaton.RegExp;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Ignore;
/**
* 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.
*/
// TODO: really this should extend QueryParserTestBase too!
public class TestQPHelper extends LuceneTestCase {
public static Analyzer qpAnalyzer;
@BeforeClass
public static void beforeClass() {
qpAnalyzer = new QPTestAnalyzer();
}
@AfterClass
public static void afterClass() {
qpAnalyzer = null;
}
public static final class QPTestFilter extends TokenFilter {
private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
private final OffsetAttribute offsetAtt = addAttribute(OffsetAttribute.class);
/**
* Filter which discards the token 'stop' and which expands the token
* 'phrase' into 'phrase1 phrase2'
*/
public QPTestFilter(TokenStream in) {
super(in);
}
private boolean inPhrase = false;
private int savedStart = 0;
private int savedEnd = 0;
@Override
public boolean incrementToken() throws IOException {
if (inPhrase) {
inPhrase = false;
clearAttributes();
termAtt.setEmpty().append("phrase2");
offsetAtt.setOffset(savedStart, savedEnd);
return true;
} else
while (input.incrementToken()) {
if (termAtt.toString().equals("phrase")) {
inPhrase = true;
savedStart = offsetAtt.startOffset();
savedEnd = offsetAtt.endOffset();
termAtt.setEmpty().append("phrase1");
offsetAtt.setOffset(savedStart, savedEnd);
return true;
} else if (!termAtt.toString().equals("stop"))
return true;
}
return false;
}
@Override
public void reset() throws IOException {
super.reset();
this.inPhrase = false;
this.savedStart = 0;
this.savedEnd = 0;
}
}
public static final class QPTestAnalyzer extends Analyzer {
/** Filters MockTokenizer with StopFilter. */
@Override
public final TokenStreamComponents createComponents(String fieldName) {
Tokenizer tokenizer = new MockTokenizer(MockTokenizer.SIMPLE, true);
return new TokenStreamComponents(tokenizer, new QPTestFilter(tokenizer));
}
}
public static class QPTestParser extends StandardQueryParser {
public QPTestParser(Analyzer a) {
((QueryNodeProcessorPipeline)getQueryNodeProcessor())
.add(new QPTestParserQueryNodeProcessor());
this.setAnalyzer(a);
}
private static class QPTestParserQueryNodeProcessor extends
QueryNodeProcessorImpl {
@Override
protected QueryNode postProcessNode(QueryNode node)
throws QueryNodeException {
return node;
}
@Override
protected QueryNode preProcessNode(QueryNode node)
throws QueryNodeException {
if (node instanceof WildcardQueryNode || node instanceof FuzzyQueryNode) {
throw new QueryNodeException(new MessageImpl(
QueryParserMessages.EMPTY_MESSAGE));
}
return node;
}
@Override
protected List<QueryNode> setChildrenOrder(List<QueryNode> children)
throws QueryNodeException {
return children;
}
}
}
private int originalMaxClauses;
@Override
public void setUp() throws Exception {
super.setUp();
originalMaxClauses = BooleanQuery.getMaxClauseCount();
}
public StandardQueryParser getParser(Analyzer a) throws Exception {
if (a == null)
a = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true);
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(a);
qp.setDefaultOperator(StandardQueryConfigHandler.Operator.OR);
return qp;
}
public Query getQuery(String query, Analyzer a) throws Exception {
return getParser(a).parse(query, "field");
}
public Query getQueryAllowLeadingWildcard(String query, Analyzer a) throws Exception {
StandardQueryParser parser = getParser(a);
parser.setAllowLeadingWildcard(true);
return parser.parse(query, "field");
}
public void assertQueryEquals(String query, Analyzer a, String result)
throws Exception {
Query q = getQuery(query, a);
String s = q.toString("field");
if (!s.equals(result)) {
fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result
+ "/");
}
}
public void assertMatchNoDocsQuery(String queryString, Analyzer a) throws Exception {
assertMatchNoDocsQuery(getQuery(queryString, a));
}
public void assertMatchNoDocsQuery(Query query) throws Exception {
if (query instanceof MatchNoDocsQuery) {
// good
} else if (query instanceof BooleanQuery && ((BooleanQuery) query).clauses().size() == 0) {
// good
} else {
fail("expected MatchNoDocsQuery or an empty BooleanQuery but got: " + query);
}
}
public void assertQueryEqualsAllowLeadingWildcard(String query, Analyzer a, String result)
throws Exception {
Query q = getQueryAllowLeadingWildcard(query, a);
String s = q.toString("field");
if (!s.equals(result)) {
fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result
+ "/");
}
}
public void assertQueryEquals(StandardQueryParser qp, String field,
String query, String result) throws Exception {
Query q = qp.parse(query, field);
String s = q.toString(field);
if (!s.equals(result)) {
fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result
+ "/");
}
}
public void assertEscapedQueryEquals(String query, Analyzer a, String result)
throws Exception {
String escapedQuery = QueryParserUtil.escape(query);
if (!escapedQuery.equals(result)) {
fail("Query /" + query + "/ yielded /" + escapedQuery + "/, expecting /"
+ result + "/");
}
}
public void assertWildcardQueryEquals(String query,
String result, boolean allowLeadingWildcard) throws Exception {
StandardQueryParser qp = getParser(null);
qp.setAllowLeadingWildcard(allowLeadingWildcard);
Query q = qp.parse(query, "field");
String s = q.toString("field");
if (!s.equals(result)) {
fail("WildcardQuery /" + query + "/ yielded /" + s + "/, expecting /"
+ result + "/");
}
}
public void assertWildcardQueryEquals(String query,
String result) throws Exception {
assertWildcardQueryEquals(query, result, false);
}
public Query getQueryDOA(String query, Analyzer a) throws Exception {
if (a == null)
a = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true);
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(a);
qp.setDefaultOperator(StandardQueryConfigHandler.Operator.AND);
return qp.parse(query, "field");
}
public void assertQueryEqualsDOA(String query, Analyzer a, String result)
throws Exception {
Query q = getQueryDOA(query, a);
String s = q.toString("field");
if (!s.equals(result)) {
fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result
+ "/");
}
}
public void testConstantScoreAutoRewrite() throws Exception {
StandardQueryParser qp = new StandardQueryParser(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
Query q = qp.parse("foo*bar", "field");
assertTrue(q instanceof WildcardQuery);
assertEquals(MultiTermQuery.CONSTANT_SCORE_REWRITE, ((MultiTermQuery) q).getRewriteMethod());
q = qp.parse("foo*", "field");
assertTrue(q instanceof PrefixQuery);
assertEquals(MultiTermQuery.CONSTANT_SCORE_REWRITE, ((MultiTermQuery) q).getRewriteMethod());
q = qp.parse("[a TO z]", "field");
assertTrue(q instanceof TermRangeQuery);
assertEquals(MultiTermQuery.CONSTANT_SCORE_REWRITE, ((MultiTermQuery) q).getRewriteMethod());
}
public void testCJK() throws Exception {
// 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 static class SimpleCJKTokenizer extends Tokenizer {
private CharTermAttribute termAtt = addAttribute(CharTermAttribute.class);
public SimpleCJKTokenizer() {
super();
}
@Override
public boolean incrementToken() throws IOException {
int ch = input.read();
if (ch < 0)
return false;
clearAttributes();
termAtt.setEmpty().append((char) ch);
return true;
}
}
private static class SimpleCJKAnalyzer extends Analyzer {
@Override
public TokenStreamComponents createComponents(String fieldName) {
return new TokenStreamComponents(new SimpleCJKTokenizer());
}
}
public void testCJKTerm() throws Exception {
// individual CJK chars as terms
SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
BooleanQuery.Builder expected = new BooleanQuery.Builder();
expected.add(new TermQuery(new Term("field", "中")), BooleanClause.Occur.SHOULD);
expected.add(new TermQuery(new Term("field", "国")), BooleanClause.Occur.SHOULD);
assertEquals(expected.build(), getQuery("中国", analyzer));
expected = new BooleanQuery.Builder();
expected.add(new TermQuery(new Term("field", "中")), BooleanClause.Occur.MUST);
BooleanQuery.Builder inner = new BooleanQuery.Builder();
inner.add(new TermQuery(new Term("field", "中")), BooleanClause.Occur.SHOULD);
inner.add(new TermQuery(new Term("field", "国")), BooleanClause.Occur.SHOULD);
expected.add(inner.build(), BooleanClause.Occur.MUST);
assertEquals(expected.build(), getQuery("中 AND 中国", new SimpleCJKAnalyzer()));
}
public void testCJKBoostedTerm() throws Exception {
// individual CJK chars as terms
SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
BooleanQuery.Builder expectedB = new BooleanQuery.Builder();
expectedB.add(new TermQuery(new Term("field", "中")), BooleanClause.Occur.SHOULD);
expectedB.add(new TermQuery(new Term("field", "国")), BooleanClause.Occur.SHOULD);
Query expected = expectedB.build();
expected = new BoostQuery(expected, 0.5f);
assertEquals(expected, getQuery("中国^0.5", analyzer));
}
public void testCJKPhrase() throws Exception {
// individual CJK chars as terms
SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
PhraseQuery expected = new PhraseQuery("field", "中", "国");
assertEquals(expected, getQuery("\"中国\"", analyzer));
}
public void testCJKBoostedPhrase() throws Exception {
// individual CJK chars as terms
SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
Query expected = new PhraseQuery("field", "中", "国");
expected = new BoostQuery(expected, 0.5f);
assertEquals(expected, getQuery("\"中国\"^0.5", analyzer));
}
public void testCJKSloppyPhrase() throws Exception {
// individual CJK chars as terms
SimpleCJKAnalyzer analyzer = new SimpleCJKAnalyzer();
PhraseQuery expected = new PhraseQuery(3, "field", "中", "国");
assertEquals(expected, getQuery("\"中国\"~3", analyzer));
}
public void testSimple() throws Exception {
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) instanceof BooleanQuery);
assertTrue(getQuery("hello", null) instanceof TermQuery);
assertTrue(getQuery("\"hello there\"", null) instanceof 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\"");
}
public void testPunct() throws Exception {
Analyzer a = new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false);
assertQueryEquals("a&b", a, "a&b");
assertQueryEquals("a&&b", a, "a&&b");
assertQueryEquals(".NET", a, ".NET");
}
public void testGroup() throws Exception {
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");
}
public void testSlop() throws Exception {
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");
}
public void testNumber() throws Exception {
// The numbers go away because SimpleAnalzyer ignores them
assertMatchNoDocsQuery("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");
}
public void testLeadingNegation() throws Exception {
assertQueryEquals("-term", null, "-term");
assertQueryEquals("!term", null, "-term");
assertQueryEquals("NOT term", null, "-term");
}
public void testNegationInParentheses() throws Exception {
assertQueryEquals("(-a)", null, "-a");
assertQueryEquals("(!a)", null, "-a");
assertQueryEquals("(NOT a)", null, "-a");
assertQueryEquals("a (!b)", null, "a (-b)");
assertQueryEquals("+a +(!b)", null, "+a +(-b)");
assertQueryEquals("a AND (!b)", null, "+a +(-b)");
assertQueryEquals("a (NOT b)", null, "a (-b)");
assertQueryEquals("a AND (NOT b)", null, "+a +(-b)");
}
public void testWildcard() throws Exception {
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) instanceof PrefixQuery);
assertTrue(getQuery("term*^2", null) instanceof BoostQuery);
assertTrue(((BoostQuery) getQuery("term*^2", null)).getQuery() instanceof PrefixQuery);
assertTrue(getQuery("term~", null) instanceof FuzzyQuery);
assertTrue(getQuery("term~0.7", null) instanceof FuzzyQuery);
FuzzyQuery fq = (FuzzyQuery) getQuery("term~0.7", null);
assertEquals(1, fq.getMaxEdits());
assertEquals(FuzzyQuery.defaultPrefixLength, fq.getPrefixLength());
fq = (FuzzyQuery) getQuery("term~", null);
assertEquals(2, fq.getMaxEdits());
assertEquals(FuzzyQuery.defaultPrefixLength, fq.getPrefixLength());
assertQueryNodeException("term~1.1"); // value > 1, throws exception
assertTrue(getQuery("term*germ", null) instanceof 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*", "term*");
// explicitly set lowercase:
assertWildcardQueryEquals("term*", "term*");
assertWildcardQueryEquals("Term*", "term*");
assertWildcardQueryEquals("TERM*", "term*");
// Then 'full' wildcard queries:
// by default, convert to lowercase:
assertWildcardQueryEquals("Te?m", "te?m");
// explicitly set lowercase:
assertWildcardQueryEquals("te?m", "te?m");
assertWildcardQueryEquals("Te?m", "te?m");
assertWildcardQueryEquals("TE?M", "te?m");
assertWildcardQueryEquals("Te?m*gerM", "te?m*germ");
// Fuzzy queries:
assertWildcardQueryEquals("Term~", "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]");
// Test suffix queries: first disallow
expectThrows(QueryNodeException.class, () -> {
assertWildcardQueryEquals("*Term", "*term");
});
expectThrows(QueryNodeException.class, () -> {
assertWildcardQueryEquals("?Term", "?term");
});
// Test suffix queries: then allow
assertWildcardQueryEquals("*Term", "*term", true);
assertWildcardQueryEquals("?Term", "?term", true);
}
public void testLeadingWildcardType() throws Exception {
StandardQueryParser qp = getParser(null);
qp.setAllowLeadingWildcard(true);
assertEquals(WildcardQuery.class, qp.parse("t*erm*", "field").getClass());
assertEquals(WildcardQuery.class, qp.parse("?term*", "field").getClass());
assertEquals(WildcardQuery.class, qp.parse("*term*", "field").getClass());
}
public void testQPA() throws Exception {
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");
assertMatchNoDocsQuery("stop^3", qpAnalyzer);
assertMatchNoDocsQuery("stop", qpAnalyzer);
assertMatchNoDocsQuery("(stop)^3", qpAnalyzer);
assertMatchNoDocsQuery("((stop))^3", qpAnalyzer);
assertMatchNoDocsQuery("(stop^3)", qpAnalyzer);
assertMatchNoDocsQuery("((stop)^3)", qpAnalyzer);
assertMatchNoDocsQuery("(stop)", qpAnalyzer);
assertMatchNoDocsQuery("((stop))", qpAnalyzer);
assertTrue(getQuery("term term term", qpAnalyzer) instanceof BooleanQuery);
assertTrue(getQuery("term +stop", qpAnalyzer) instanceof TermQuery);
}
public void testRange() throws Exception {
assertQueryEquals("[ a TO z]", null, "[a TO z]");
assertEquals(MultiTermQuery.CONSTANT_SCORE_REWRITE, ((TermRangeQuery)getQuery("[ a TO z]", null)).getRewriteMethod());
StandardQueryParser qp = new StandardQueryParser();
qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_REWRITE);
assertEquals(MultiTermQuery.SCORING_BOOLEAN_REWRITE,((TermRangeQuery)qp.parse("[ a TO z]", "field")).getRewriteMethod());
// 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)
throws Exception {
// we use the default Locale since LuceneTestCase randomizes it
DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, Locale.getDefault());
return getDate(df.parse(s), resolution);
}
/** for testing DateTools support */
private String getDate(Date 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) {
// 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());
}
public void testDateRange() throws Exception {
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);
final String defaultField = "default";
final String monthField = "month";
final String hourField = "hour";
StandardQueryParser qp = new StandardQueryParser();
Map<CharSequence, DateTools.Resolution> dateRes = new HashMap<>();
// set a field specific date resolution
dateRes.put(monthField, DateTools.Resolution.MONTH);
qp.setDateResolutionMap(dateRes);
// set default date resolution to MILLISECOND
qp.setDateResolution(DateTools.Resolution.MILLISECOND);
// set second field specific date resolution
dateRes.put(hourField, DateTools.Resolution.HOUR);
qp.setDateResolutionMap(dateRes);
// 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, Date endDateInclusive,
DateTools.Resolution resolution) throws Exception {
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) + "}");
}
public void testEscaped() throws Exception {
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");
}
public void testQueryStringEscaping() throws Exception {
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 \\&\\&");
}
@Ignore("flexible queryparser shouldn't escape wildcard terms")
public void testEscapedWildcard() throws Exception {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
WildcardQuery q = new WildcardQuery(new Term("field", "foo\\?ba?r"));
assertEquals(q, qp.parse("foo\\?ba?r", "field"));
}
public void testTabNewlineCarriageReturn() throws Exception {
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");
}
public void testSimpleDAO() throws Exception {
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");
}
public void testBoost() throws Exception {
CharacterRunAutomaton stopSet = new CharacterRunAutomaton(Automata.makeString("on"));
Analyzer oneStopAnalyzer = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, stopSet);
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(oneStopAnalyzer);
Query q = qp.parse("on^1.0", "field");
assertNotNull(q);
q = qp.parse("\"hello\"^2.0", "field");
assertNotNull(q);
assertEquals(((BoostQuery) q).getBoost(), (float) 2.0, (float) 0.5);
q = qp.parse("hello^2.0", "field");
assertNotNull(q);
assertEquals(((BoostQuery) q).getBoost(), (float) 2.0, (float) 0.5);
q = qp.parse("\"on\"^1.0", "field");
assertNotNull(q);
StandardQueryParser qp2 = new StandardQueryParser();
qp2.setAnalyzer(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);
assertMatchNoDocsQuery(q);
assertFalse(q instanceof BoostQuery);
}
public void assertQueryNodeException(String queryString) throws Exception {
expectThrows(QueryNodeException.class, () -> {
getQuery(queryString, null);
});
}
public void testException() throws Exception {
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");
}
// Wildcard queries should not be allowed
public void testCustomQueryParserWildcard() {
expectThrows(QueryNodeException.class, () -> {
new QPTestParser(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false)).parse("a?t", "contents");
});
}
// Fuzzy queries should not be allowed"
public void testCustomQueryParserFuzzy() throws Exception {
expectThrows(QueryNodeException.class, () -> {
new QPTestParser(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false)).parse("xunit~", "contents");
});
}
// too many boolean clauses, so ParseException is expected
public void testBooleanQuery() throws Exception {
BooleanQuery.setMaxClauseCount(2);
expectThrows(QueryNodeException.class, () -> {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
qp.parse("one two three", "field");
});
}
/**
* This test differs from TestPrecedenceQueryParser
*/
public void testPrecedence() throws Exception {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(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);
}
// Todo: Convert from DateField to DateUtil
// public void testLocalDateFormat() throws IOException, QueryNodeException {
// Directory ramDir = newDirectory();
// IndexWriter iw = new IndexWriter(ramDir, newIndexWriterConfig(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);
// }
public void testStarParsing() throws Exception {
// 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]);
}
public void testRegexps() throws Exception {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, true));
final String df = "field" ;
RegexpQuery q = new RegexpQuery(new Term("field", "[a-z][123]"));
assertEquals(q, qp.parse("/[a-z][123]/", df));
assertEquals(q, qp.parse("/[A-Z][123]/", df));
assertEquals(new BoostQuery(q, 0.5f), qp.parse("/[A-Z][123]/^0.5", df));
qp.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_REWRITE);
q.setRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_REWRITE);
assertEquals(new BoostQuery(q, 0.5f), qp.parse("/[A-Z][123]/^0.5", df));
assertEquals(MultiTermQuery.SCORING_BOOLEAN_REWRITE, ((RegexpQuery) (((BoostQuery) qp.parse("/[A-Z][123]/^0.5", df)).getQuery())).getRewriteMethod());
qp.setMultiTermRewriteMethod(MultiTermQuery.CONSTANT_SCORE_REWRITE);
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.Builder complex = new BooleanQuery.Builder();
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.build(), 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.Builder two = new BooleanQuery.Builder();
two.add(new RegexpQuery(new Term("field", "foo")), Occur.SHOULD);
two.add(new RegexpQuery(new Term("field", "bar")), Occur.SHOULD);
assertEquals(two.build(), qp.parse("field:/foo/ field:/bar/", df));
assertEquals(two.build(), qp.parse("/foo/ /bar/", df));
}
public void testStopwords() throws Exception {
StandardQueryParser qp = new StandardQueryParser();
CharacterRunAutomaton stopSet = new CharacterRunAutomaton(new RegExp("the|foo").toAutomaton());
qp.setAnalyzer(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 MatchNoDocsQuery", result instanceof MatchNoDocsQuery);
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 instanceof TermQuery);
result = qp.parse(
"(fieldX:xxxxx OR fieldy:xxxxxxxx)^2 AND (fieldx:the OR fieldy:foo)",
"a");
Query expected = new BooleanQuery.Builder()
.add(new TermQuery(new Term("fieldX", "xxxxx")), Occur.SHOULD)
.add(new TermQuery(new Term("fieldy", "xxxxxxxx")), Occur.SHOULD)
.build();
expected = new BoostQuery(expected, 2f);
assertEquals(expected, result);
}
public void testPositionIncrement() throws Exception {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(
new MockAnalyzer(random(), MockTokenizer.SIMPLE, true, MockTokenFilter.ENGLISH_STOPSET));
qp.setEnablePositionIncrements(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]);
}
}
public void testMatchAllDocs() throws Exception {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
assertEquals(new MatchAllDocsQuery(), qp.parse("*:*", "field"));
assertEquals(new MatchAllDocsQuery(), qp.parse("(*:*)", "field"));
BooleanQuery bq = (BooleanQuery) qp.parse("+*:* -*:*", "field");
for (BooleanClause c : bq) {
assertTrue(c.getQuery().getClass() == MatchAllDocsQuery.class);
}
}
private void assertHits(int expected, String query, IndexSearcher is)
throws IOException, QueryNodeException {
StandardQueryParser qp = new StandardQueryParser();
qp.setAnalyzer(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false));
qp.setLocale(Locale.ENGLISH);
Query q = qp.parse(query, "date");
ScoreDoc[] hits = is.search(q, 1000).scoreDocs;
assertEquals(expected, hits.length);
}
@Override
public void tearDown() throws Exception {
BooleanQuery.setMaxClauseCount(originalMaxClauses);
super.tearDown();
}
private static class CannedTokenizer extends Tokenizer {
private int upto = 0;
private final PositionIncrementAttribute posIncr = addAttribute(PositionIncrementAttribute.class);
private final CharTermAttribute term = addAttribute(CharTermAttribute.class);
public CannedTokenizer() {
super();
}
@Override
public boolean incrementToken() {
clearAttributes();
if (upto == 4) {
return false;
}
if (upto == 0) {
posIncr.setPositionIncrement(1);
term.setEmpty().append("a");
} else if (upto == 1) {
posIncr.setPositionIncrement(1);
term.setEmpty().append("b");
} else if (upto == 2) {
posIncr.setPositionIncrement(0);
term.setEmpty().append("c");
} else {
posIncr.setPositionIncrement(0);
term.setEmpty().append("d");
}
upto++;
return true;
}
@Override
public void reset() throws IOException {
super.reset();
this.upto = 0;
}
}
private static class CannedAnalyzer extends Analyzer {
@Override
public TokenStreamComponents createComponents(String ignored) {
return new TokenStreamComponents(new CannedTokenizer());
}
}
public void testMultiPhraseQuery() throws Exception {
Directory dir = newDirectory();
IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(new CannedAnalyzer()));
Document doc = new Document();
doc.add(newTextField("field", "", Field.Store.NO));
w.addDocument(doc);
IndexReader r = DirectoryReader.open(w);
IndexSearcher s = newSearcher(r);
Query q = new StandardQueryParser(new CannedAnalyzer()).parse("\"a\"", "field");
assertTrue(q instanceof MultiPhraseQuery);
assertEquals(1, s.search(q, 10).totalHits);
r.close();
w.close();
dir.close();
}
public void testRegexQueryParsing() throws Exception {
final String[] fields = {"b", "t"};
final StandardQueryParser parser = new StandardQueryParser();
parser.setMultiFields(fields);
parser.setDefaultOperator(StandardQueryConfigHandler.Operator.AND);
parser.setAnalyzer(new MockAnalyzer(random()));
BooleanQuery.Builder exp = new BooleanQuery.Builder();
exp.add(new BooleanClause(new RegexpQuery(new Term("b", "ab.+")), BooleanClause.Occur.SHOULD));//TODO spezification? was "MUST"
exp.add(new BooleanClause(new RegexpQuery(new Term("t", "ab.+")), BooleanClause.Occur.SHOULD));//TODO spezification? was "MUST"
assertEquals(exp.build(), parser.parse("/ab.+/", null));
RegexpQuery regexpQueryexp = new RegexpQuery(new Term("test", "[abc]?[0-9]"));
assertEquals(regexpQueryexp, parser.parse("test:/[abc]?[0-9]/", null));
}
}