LUCENE-4396: add test case

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1617284 13f79535-47bb-0310-9956-ffa450edef68
2014-08-11 13:39:47 +00:00 · 2014-08-11 13:39:47 +00:00 · 4c4e56c902
parent b129fe961b
commit 4c4e56c902
1 changed files with 132 additions and 0 deletions
--- a/lucene/core/src/test/org/apache/lucene/search/TestBooleanUnevenly.java
+++ b/lucene/core/src/test/org/apache/lucene/search/TestBooleanUnevenly.java
@ -0,0 +1,132 @@
+package org.apache.lucene.search;
+
+/*
+ * 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.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * BooleanQuery.scorer should be tested, when hit documents
+ * are very unevenly distributed.
+ */
+public class TestBooleanUnevenly extends LuceneTestCase {
+  private static IndexSearcher searcher;
+  private static IndexReader reader;
+
+  public static final String field = "field";
+  private static Directory directory;
+
+  private static int count1 = 0;
+
+  @BeforeClass
+  public static void beforeClass() throws Exception {
+    directory = newDirectory();
+    RandomIndexWriter w = new RandomIndexWriter(random(), directory, new MockAnalyzer(random()));
+    Document doc;
+    for (int i=0;i<2;i++) {
+      for (int j=0;j<2048;j++) {
+        doc = new Document();
+        doc.add(newTextField(field, "1", Field.Store.NO));
+        count1 ++;
+        w.addDocument(doc);
+      }
+      for (int j=0;j<2048;j++) {
+        doc = new Document();
+        doc.add(newTextField(field, "2", Field.Store.NO));
+        w.addDocument(doc);
+      }
+      doc = new Document();
+      doc.add(newTextField(field, "1", Field.Store.NO));
+      count1 ++;
+      w.addDocument(doc);
+      for (int j=0;j<2048;j++) {
+        doc = new Document();
+        doc.add(newTextField(field, "2", Field.Store.NO));
+        w.addDocument(doc);
+      }
+    }
+    reader = w.getReader();
+    searcher = newSearcher(reader);
+    w.close();
+  }
+
+  @AfterClass
+  public static void afterClass() throws Exception {
+    reader.close();
+    directory.close();
+    searcher = null;
+    reader = null;
+    directory = null;
+  }
+
+  @Test
+  public void testQueries01() throws Exception {
+    BooleanQuery query = new BooleanQuery();
+    query.add(new TermQuery(new Term(field, "1")), BooleanClause.Occur.MUST);
+    query.add(new TermQuery(new Term(field, "1")), BooleanClause.Occur.SHOULD);
+    query.add(new TermQuery(new Term(field, "2")), BooleanClause.Occur.SHOULD);
+
+    TopScoreDocCollector collector = TopScoreDocCollector.create(1000, false);
+    searcher.search(query, null, collector);
+    TopDocs tops1 = collector.topDocs();
+    ScoreDoc[] hits1 = tops1.scoreDocs;
+    int hitsNum1 = tops1.totalHits;
+
+    collector = TopScoreDocCollector.create(1000, true);
+    searcher.search(query, null, collector);
+    TopDocs tops2 = collector.topDocs();
+    ScoreDoc[] hits2 = tops2.scoreDocs;
+    int hitsNum2 = tops2.totalHits;
+
+    assertEquals(hitsNum1, count1);
+    assertEquals(hitsNum2, count1);
+    CheckHits.checkEqual(query, hits1, hits2);
+  }
+
+  @Test
+  public void testQueries02() throws Exception {
+    BooleanQuery query = new BooleanQuery();
+    query.add(new TermQuery(new Term(field, "1")), BooleanClause.Occur.SHOULD);
+    query.add(new TermQuery(new Term(field, "1")), BooleanClause.Occur.SHOULD);
+
+    TopScoreDocCollector collector = TopScoreDocCollector.create(1000, false);
+    searcher.search(query, null, collector);
+    TopDocs tops1 = collector.topDocs();
+    ScoreDoc[] hits1 = tops1.scoreDocs;
+    int hitsNum1 = tops1.totalHits;
+
+    collector = TopScoreDocCollector.create(1000, true);
+    searcher.search(query, null, collector);
+    TopDocs tops2 = collector.topDocs();
+    ScoreDoc[] hits2 = tops2.scoreDocs;
+    int hitsNum2 = tops2.totalHits;
+
+    assertEquals(hitsNum1, count1);
+    assertEquals(hitsNum2, count1);
+    CheckHits.checkEqual(query, hits1, hits2);
+  }
+}