pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / test / org / apache / lucene / search / TestMatchAllDocsQuery.java

diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestMatchAllDocsQuery.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/search/TestMatchAllDocsQuery.java
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+/**
+ * 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.search;
+
+import java.io.IOException;
+
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.MockAnalyzer;
+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.index.IndexReader;
+import org.apache.lucene.queryParser.QueryParser;
+import org.apache.lucene.store.Directory;
+
+import org.apache.lucene.util.LuceneTestCase;
+
+/**
+ * Tests MatchAllDocsQuery.
+ *
+ */
+public class TestMatchAllDocsQuery extends LuceneTestCase {
+  private Analyzer analyzer = new MockAnalyzer(random);
+  
+  public void testQuery() throws Exception {
+    Directory dir = newDirectory();
+    IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(
+                                                               TEST_VERSION_CURRENT, analyzer).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy()));
+    addDoc("one", iw, 1f);
+    addDoc("two", iw, 20f);
+    addDoc("three four", iw, 300f);
+    iw.close();
+
+    IndexReader ir = IndexReader.open(dir, false);
+    IndexSearcher is = newSearcher(ir);
+    ScoreDoc[] hits;
+
+    // assert with norms scoring turned off
+
+    hits = is.search(new MatchAllDocsQuery(), null, 1000).scoreDocs;
+    assertEquals(3, hits.length);
+    assertEquals("one", is.doc(hits[0].doc).get("key"));
+    assertEquals("two", is.doc(hits[1].doc).get("key"));
+    assertEquals("three four", is.doc(hits[2].doc).get("key"));
+
+    // assert with norms scoring turned on
+
+    MatchAllDocsQuery normsQuery = new MatchAllDocsQuery("key");
+    hits = is.search(normsQuery, null, 1000).scoreDocs;
+    assertEquals(3, hits.length);
+
+    assertEquals("three four", is.doc(hits[0].doc).get("key"));    
+    assertEquals("two", is.doc(hits[1].doc).get("key"));
+    assertEquals("one", is.doc(hits[2].doc).get("key"));
+
+    // change norm & retest
+    is.getIndexReader().setNorm(0, "key", is.getSimilarity().encodeNormValue(400f));
+    normsQuery = new MatchAllDocsQuery("key");
+    hits = is.search(normsQuery, null, 1000).scoreDocs;
+    assertEquals(3, hits.length);
+
+    assertEquals("one", is.doc(hits[0].doc).get("key"));
+    assertEquals("three four", is.doc(hits[1].doc).get("key"));    
+    assertEquals("two", is.doc(hits[2].doc).get("key"));
+    
+    // some artificial queries to trigger the use of skipTo():
+    
+    BooleanQuery bq = new BooleanQuery();
+    bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
+    bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
+    hits = is.search(bq, null, 1000).scoreDocs;
+    assertEquals(3, hits.length);
+
+    bq = new BooleanQuery();
+    bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
+    bq.add(new TermQuery(new Term("key", "three")), BooleanClause.Occur.MUST);
+    hits = is.search(bq, null, 1000).scoreDocs;
+    assertEquals(1, hits.length);
+
+    // delete a document:
+    is.getIndexReader().deleteDocument(0);
+    hits = is.search(new MatchAllDocsQuery(), null, 1000).scoreDocs;
+    assertEquals(2, hits.length);
+    
+    // test parsable toString()
+    QueryParser qp = new QueryParser(TEST_VERSION_CURRENT, "key", analyzer);
+    hits = is.search(qp.parse(new MatchAllDocsQuery().toString()), null, 1000).scoreDocs;
+    assertEquals(2, hits.length);
+
+    // test parsable toString() with non default boost
+    Query maq = new MatchAllDocsQuery();
+    maq.setBoost(2.3f);
+    Query pq = qp.parse(maq.toString());
+    hits = is.search(pq, null, 1000).scoreDocs;
+    assertEquals(2, hits.length);
+    
+    is.close();
+    ir.close();
+    dir.close();
+  }
+
+  public void testEquals() {
+    Query q1 = new MatchAllDocsQuery();
+    Query q2 = new MatchAllDocsQuery();
+    assertTrue(q1.equals(q2));
+    q1.setBoost(1.5f);
+    assertFalse(q1.equals(q2));
+  }
+  
+  private void addDoc(String text, IndexWriter iw, float boost) throws IOException {
+    Document doc = new Document();
+    Field f = newField("key", text, Field.Store.YES, Field.Index.ANALYZED);
+    f.setBoost(boost);
+    doc.add(f);
+    iw.addDocument(doc);
+  }
+
+}