--- /dev/null
+/**
+ * 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);
+ }
+
+}