LUCENE-2385: TestNoDeletionPolicy was not added to version control. sorry !

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@932131 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Shai Erera 2010-04-08 21:38:09 +00:00
parent 5792f0d711
commit 81c21e163b
1 changed files with 93 additions and 0 deletions

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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 static org.junit.Assert.*;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.Field.Index;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.LuceneTestCaseJ4;
import org.junit.Test;
public class TestNoDeletionPolicy extends LuceneTestCaseJ4 {
@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 = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT))
.setIndexDeletionPolicy(NoDeletionPolicy.INSTANCE));
for (int i = 0; i < 10; i++) {
Document doc = new Document();
doc.add(new Field("c", "a" + i, Store.YES, Index.ANALYZED));
writer.addDocument(doc);
writer.commit();
// the reason to expect i + 2 commits is because when IndexWriter is
// created it creates a first commit. If this ever changes, then the
// expected should be i + 1 (and this comment removed).
assertEquals("wrong number of commits !", i + 2, IndexReader.listCommits(dir).size());
}
writer.close();
}
}