+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * 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 java.lang.reflect.Constructor;
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-import java.util.Arrays;
-
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field.Index;
-import org.apache.lucene.document.Field.Store;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.util.LuceneTestCase;
-import org.junit.Test;
-
-public class TestNoDeletionPolicy extends LuceneTestCase {
-
- @Test
- public void testNoDeletionPolicy() throws Exception {
- IndexDeletionPolicy idp = NoDeletionPolicy.INSTANCE;
- idp.onInit(null);
- idp.onCommit(null);
- }
-
- @Test
- public void testFinalSingleton() throws Exception {
- assertTrue(Modifier.isFinal(NoDeletionPolicy.class.getModifiers()));
- Constructor<?>[] ctors = NoDeletionPolicy.class.getDeclaredConstructors();
- assertEquals("expected 1 private ctor only: " + Arrays.toString(ctors), 1, ctors.length);
- assertTrue("that 1 should be private: " + ctors[0], Modifier.isPrivate(ctors[0].getModifiers()));
- }
-
- @Test
- public void testMethodsOverridden() throws Exception {
- // Ensures that all methods of IndexDeletionPolicy are
- // overridden/implemented. That's important to ensure that NoDeletionPolicy
- // overrides everything, so that no unexpected behavior/error occurs.
- // NOTE: even though IndexDeletionPolicy is an interface today, and so all
- // methods must be implemented by NoDeletionPolicy, this test is important
- // in case one day IDP becomes an abstract class.
- for (Method m : NoDeletionPolicy.class.getMethods()) {
- // getDeclaredMethods() returns just those methods that are declared on
- // NoDeletionPolicy. getMethods() returns those that are visible in that
- // context, including ones from Object. So just filter out Object. If in
- // the future IndexDeletionPolicy will become a class that extends a
- // different class than Object, this will need to change.
- if (m.getDeclaringClass() != Object.class) {
- assertTrue(m + " is not overridden !", m.getDeclaringClass() == NoDeletionPolicy.class);
- }
- }
- }
-
- @Test
- public void testAllCommitsRemain() throws Exception {
- Directory dir = newDirectory();
- IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
- TEST_VERSION_CURRENT, new MockAnalyzer(random))
- .setIndexDeletionPolicy(NoDeletionPolicy.INSTANCE));
- for (int i = 0; i < 10; i++) {
- Document doc = new Document();
- doc.add(newField("c", "a" + i, Store.YES, Index.ANALYZED));
- writer.addDocument(doc);
- writer.commit();
- assertEquals("wrong number of commits !", i + 1, IndexReader.listCommits(dir).size());
- }
- writer.close();
- dir.close();
- }
-
-}