pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / queries / src / test / org / apache / lucene / search / regex / TestRegexQuery.java

diff --git a/lucene-java-3.5.0/lucene/contrib/queries/src/test/org/apache/lucene/search/regex/TestRegexQuery.java b/lucene-java-3.5.0/lucene/contrib/queries/src/test/org/apache/lucene/search/regex/TestRegexQuery.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/contrib/queries/src/test/org/apache/lucene/search/regex/TestRegexQuery.java
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+package org.apache.lucene.search.regex;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.index.TermEnum;
+
+import org.apache.lucene.search.spans.SpanNearQuery;
+import org.apache.lucene.search.spans.SpanQuery;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestRegexQuery extends LuceneTestCase {
+  private IndexSearcher searcher;
+  private IndexReader reader;
+  private Directory directory;
+  private final String FN = "field";
+
+
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+    directory = newDirectory();
+    RandomIndexWriter writer = new RandomIndexWriter(random, directory);
+    Document doc = new Document();
+    doc.add(newField(FN, "the quick brown fox jumps over the lazy dog", Field.Store.NO, Field.Index.ANALYZED));
+    writer.addDocument(doc);
+    reader = writer.getReader();
+    writer.close();
+    searcher = newSearcher(reader);
+  }
+
+  @Override
+  public void tearDown() throws Exception {
+    searcher.close();
+    reader.close();
+    directory.close();
+    super.tearDown();
+  }
+
+  private Term newTerm(String value) { return new Term(FN, value); }
+
+  private int  regexQueryNrHits(String regex, RegexCapabilities capability) throws Exception {
+    RegexQuery query = new RegexQuery( newTerm(regex));
+    
+    if ( capability != null )
+      query.setRegexImplementation(capability);
+    
+    return searcher.search(query, null, 1000).totalHits;
+  }
+
+  private int  spanRegexQueryNrHits(String regex1, String regex2, int slop, boolean ordered) throws Exception {
+    SpanRegexQuery srq1 = new SpanRegexQuery( newTerm(regex1));
+    SpanRegexQuery srq2 = new SpanRegexQuery( newTerm(regex2));
+    SpanNearQuery query = new SpanNearQuery( new SpanQuery[]{srq1, srq2}, slop, ordered);
+    
+    return searcher.search(query, null, 1000).totalHits;
+  }
+
+  public void testMatchAll() throws Exception {
+    TermEnum terms = new RegexQuery(new Term(FN, "jum.")).getEnum(searcher.getIndexReader());
+    // no term should match
+    assertNull(terms.term());
+    assertFalse(terms.next());
+  }
+
+  public void testRegex1() throws Exception {
+    assertEquals(1, regexQueryNrHits("^q.[aeiou]c.*$", null));
+  }
+
+  public void testRegex2() throws Exception {
+    assertEquals(0, regexQueryNrHits("^.[aeiou]c.*$", null));
+  }
+
+  public void testRegex3() throws Exception {
+    assertEquals(0, regexQueryNrHits("^q.[aeiou]c$", null));
+  }
+
+  public void testSpanRegex1() throws Exception {
+    assertEquals(1, spanRegexQueryNrHits("^q.[aeiou]c.*$", "dog", 6, true));
+  }
+
+  public void testSpanRegex2() throws Exception {
+    assertEquals(0, spanRegexQueryNrHits("^q.[aeiou]c.*$", "dog", 5, true));
+  }
+
+  public void testEquals() throws Exception {
+    RegexQuery query1 = new RegexQuery( newTerm("foo.*"));
+    query1.setRegexImplementation(new JakartaRegexpCapabilities());
+
+    RegexQuery query2 = new RegexQuery( newTerm("foo.*"));
+    assertFalse(query1.equals(query2));
+  }
+  
+  public void testJakartaCaseSensativeFail() throws Exception {
+    assertEquals(0, regexQueryNrHits("^.*DOG.*$", null));
+  }
+
+  public void testJavaUtilCaseSensativeFail() throws Exception {
+    assertEquals(0, regexQueryNrHits("^.*DOG.*$", null));
+  }
+  
+  public void testJakartaCaseInsensative() throws Exception {
+    assertEquals(1, regexQueryNrHits("^.*DOG.*$", new JakartaRegexpCapabilities(JakartaRegexpCapabilities.FLAG_MATCH_CASEINDEPENDENT)));
+  }
+  
+  public void testJavaUtilCaseInsensative() throws Exception {
+    assertEquals(1, regexQueryNrHits("^.*DOG.*$", new JavaUtilRegexCapabilities(JavaUtilRegexCapabilities.FLAG_CASE_INSENSITIVE)));
+  }
+
+}
+