- Unit test contributed by Cheolgoo Kang and cleaned up by Paul Elschot

c.f. http://issues.apache.org/bugzilla/show_bug.cgi?id=33459


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@160127 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/lucene/search/TestBooleanOr.java

@@ -0,0 +1,162 @@
+package org.apache.lucene.search;
+/**
+ * Copyright 2005 Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.io.IOException;
+
+import junit.framework.TestCase;
+
+import org.apache.lucene.analysis.standard.StandardAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.search.BooleanClause;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.store.RAMDirectory;
+
+/**
+ * Created on 2005. 2. 9.
+ * <br>Adapted to Lucene testcase by Paul Elschot.
+ * @author appler@gmail.com
+ */
+public class TestBooleanOr extends TestCase {
+
+	private static String FIELD_T = "T";
+	private static String FIELD_C = "C";
+
+	private TermQuery t1 = new TermQuery(new Term(FIELD_T, "files"));
+	private TermQuery t2 = new TermQuery(new Term(FIELD_T, "deleting"));
+	private TermQuery c1 = new TermQuery(new Term(FIELD_C, "production"));
+	private TermQuery c2 = new TermQuery(new Term(FIELD_C, "optimize"));
+
+	private IndexSearcher searcher = null;
+
+	private int search(Query q) throws IOException {
+		return searcher.search(q).length();
+	}
+
+	public void testElements() throws IOException {
+		assertEquals(1, search(t1));
+		assertEquals(1, search(t2));
+		assertEquals(1, search(c1));
+		assertEquals(1, search(c2));
+	}
+
+	/**
+	 * <code>T:files T:deleting C:production C:optimize </code>
+	 * it works.
+	 *
+	 * @throws IOException
+	 */
+	public void testFlat() throws IOException {
+		BooleanQuery q = new BooleanQuery();
+		q.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
+		q.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
+		q.add(new BooleanClause(c1, BooleanClause.Occur.SHOULD));
+		q.add(new BooleanClause(c2, BooleanClause.Occur.SHOULD));
+		assertEquals(1, search(q));
+	}
+
+	/**
+	 * <code>(T:files T:deleting) (+C:production +C:optimize)</code>
+	 * it works.
+	 *
+	 * @throws IOException
+	 */
+	public void testParenthesisMust() throws IOException {
+		BooleanQuery q3 = new BooleanQuery();
+		q3.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
+		q3.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
+		BooleanQuery q4 = new BooleanQuery();
+		q4.add(new BooleanClause(c1, BooleanClause.Occur.MUST));
+		q4.add(new BooleanClause(c2, BooleanClause.Occur.MUST));
+		BooleanQuery q2 = new BooleanQuery();
+		q2.add(q3, BooleanClause.Occur.SHOULD);
+		q2.add(q4, BooleanClause.Occur.SHOULD);
+		assertEquals(1, search(q2));
+	}
+
+	/**
+	 * <code>(T:files T:deleting) +(C:production C:optimize)</code>
+	 * not working. results NO HIT.
+	 *
+	 * @throws IOException
+	 */
+	public void testParenthesisMust2() throws IOException {
+		BooleanQuery q3 = new BooleanQuery();
+		q3.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
+		q3.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
+		BooleanQuery q4 = new BooleanQuery();
+		q4.add(new BooleanClause(c1, BooleanClause.Occur.SHOULD));
+		q4.add(new BooleanClause(c2, BooleanClause.Occur.SHOULD));
+		BooleanQuery q2 = new BooleanQuery();
+		q2.add(q3, BooleanClause.Occur.SHOULD);
+		q2.add(q4, BooleanClause.Occur.MUST);
+		assertEquals(1, search(q2));
+	}
+
+	/**
+	 * <code>(T:files T:deleting) (C:production C:optimize)</code>
+	 * not working. results NO HIT.
+	 *
+	 * @throws IOException
+	 */
+	public void testParenthesisShould() throws IOException {
+		BooleanQuery q3 = new BooleanQuery();
+		q3.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
+		q3.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
+		BooleanQuery q4 = new BooleanQuery();
+		q4.add(new BooleanClause(c1, BooleanClause.Occur.SHOULD));
+		q4.add(new BooleanClause(c2, BooleanClause.Occur.SHOULD));
+		BooleanQuery q2 = new BooleanQuery();
+		q2.add(q3, BooleanClause.Occur.SHOULD);
+		q2.add(q4, BooleanClause.Occur.SHOULD);
+		assertEquals(1, search(q2));
+	}
+
+	protected void setUp() throws Exception {
+		super.setUp();
+
+		//
+		RAMDirectory rd = new RAMDirectory();
+
+		//
+		IndexWriter writer = new IndexWriter(rd, new StandardAnalyzer(), true);
+
+		//
+		Document d = new Document();
+		d.add(new Field(
+				FIELD_T,
+				"Optimize not deleting all files",
+				Field.Store.YES,
+				Field.Index.TOKENIZED));
+		d.add(new Field(
+				FIELD_C,
+				"Deleted When I run an optimize in our production environment.",
+				Field.Store.YES,
+				Field.Index.TOKENIZED));
+
+		//
+		writer.addDocument(d);
+		writer.close();
+
+		//
+		searcher = new IndexSearcher(rd);
+	}
+}