/*
* 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.geode.cache.lucene.internal.distributed;
import static org.junit.Assert.*;
import java.util.Collection;
import java.util.Iterator;
import org.jmock.Mockery;
import org.jmock.lib.concurrent.Synchroniser;
import org.jmock.lib.legacy.ClassImposteriser;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.geode.CopyHelper;
import org.apache.geode.cache.lucene.LuceneQueryFactory;
import org.apache.geode.cache.lucene.internal.LuceneServiceImpl;
import org.apache.geode.test.junit.categories.UnitTest;
@Category(UnitTest.class)
public class TopEntriesJUnitTest {
private Mockery mockContext;
private EntryScore<String> r1_1 = new EntryScore("3", .9f);
private EntryScore<String> r1_2 = new EntryScore("1", .8f);
private EntryScore<String> r2_1 = new EntryScore("2", 0.85f);
private EntryScore<String> r2_2 = new EntryScore("4", 0.1f);
@Test
public void testPopulateTopEntries() {
TopEntries<String> hits = new TopEntries<String>();
hits.addHit(r1_1);
hits.addHit(r2_1);
hits.addHit(r1_2);
hits.addHit(r2_2);
assertEquals(4, hits.size());
verifyResultOrder(hits.getHits(), r1_1, r2_1, r1_2, r2_2);
}
@Test
public void putSameScoreEntries() {
TopEntries<String> hits = new TopEntries<String>();
EntryScore<String> r1 = new EntryScore<String>("1", .8f);
EntryScore<String> r2 = new EntryScore<String>("2", .8f);
hits.addHit(r1);
hits.addHit(r2);
assertEquals(2, hits.size());
verifyResultOrder(hits.getHits(), r1, r2);
}
@Test
public void testInitialization() {
TopEntries<String> hits = new TopEntries<String>();
assertEquals(LuceneQueryFactory.DEFAULT_LIMIT, hits.getLimit());
hits = new TopEntries<String>(123);
assertEquals(123, hits.getLimit());
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidLimit() {
new TopEntries<String>(-1);
}
@Test
public void enforceLimit() throws Exception {
TopEntries<String> hits = new TopEntries<String>(3);
hits.addHit(r1_1);
hits.addHit(r2_1);
hits.addHit(r1_2);
hits.addHit(r2_2);
assertEquals(3, hits.size());
verifyResultOrder(hits.getHits(), r1_1, r2_1, r1_2);
}
@Test
public void testSerialization() {
LuceneServiceImpl.registerDataSerializables();
TopEntries<String> hits = new TopEntries<String>(3);
TopEntries<String> copy = CopyHelper.deepCopy(hits);
assertEquals(3, copy.getLimit());
assertEquals(0, copy.getHits().size());
hits = new TopEntries<String>(3);
hits.addHit(r1_1);
hits.addHit(r2_1);
hits.addHit(r1_2);
copy = CopyHelper.deepCopy(hits);
assertEquals(3, copy.size());
verifyResultOrder(copy.getHits(), r1_1, r2_1, r1_2);
}
// TODO: extract to lucene test util class
public static void verifyResultOrder(Collection<EntryScore<String>> list,
EntryScore<String>... expectedEntries) {
Iterator<EntryScore<String>> iter = list.iterator();
for (EntryScore expectedEntry : expectedEntries) {
if (!iter.hasNext()) {
fail();
}
EntryScore toVerify = iter.next();
assertEquals(expectedEntry.getKey(), toVerify.getKey());
assertEquals(expectedEntry.getScore(), toVerify.getScore(), .0f);
}
}
@Before
public void setupMock() {
mockContext = new Mockery() {
{
setImposteriser(ClassImposteriser.INSTANCE);
setThreadingPolicy(new Synchroniser());
}
};
}
@After
public void validateMock() {
mockContext.assertIsSatisfied();
mockContext = null;
}
}