/*
* 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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.ArgumentCaptor;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.execute.Execution;
import org.apache.geode.cache.execute.ResultCollector;
import org.apache.geode.cache.lucene.LuceneQueryException;
import org.apache.geode.cache.lucene.LuceneQueryProvider;
import org.apache.geode.cache.lucene.PageableLuceneQueryResults;
import org.apache.geode.cache.lucene.LuceneResultStruct;
import org.apache.geode.cache.lucene.internal.distributed.EntryScore;
import org.apache.geode.cache.lucene.internal.distributed.LuceneFunction;
import org.apache.geode.cache.lucene.internal.distributed.LuceneFunctionContext;
import org.apache.geode.cache.lucene.internal.distributed.TopEntries;
import org.apache.geode.cache.lucene.internal.distributed.TopEntriesCollector;
import org.apache.geode.test.junit.categories.UnitTest;
@Category(UnitTest.class)
public class LuceneQueryImplJUnitTest {
private static int LIMIT = 123;
private LuceneQueryImpl<Object, Object> query;
private Execution execution;
private LuceneQueryProvider provider;
private ResultCollector<TopEntriesCollector, TopEntries> collector;
private Region region;
@Before
public void createMocks() {
region = mock(Region.class);
execution = mock(Execution.class);
collector = mock(ResultCollector.class);
provider = mock(LuceneQueryProvider.class);
when(execution.withArgs(any())).thenReturn(execution);
when(execution.withCollector(any())).thenReturn(execution);
when(execution.execute(anyString())).thenReturn((ResultCollector) collector);
query = new LuceneQueryImpl<Object, Object>("index", region, provider, null, LIMIT, 20) {
@Override
protected Execution onRegion() {
return execution;
}
};
}
private void addValueToResults() {
TopEntries entries = new TopEntries();
entries.addHit(new EntryScore("hi", 5));
when(collector.getResult()).thenReturn(entries);
Map<String, String> getAllResult = new HashMap<String, String>();
getAllResult.put("hi", "value");
when(region.getAll(eq(Collections.singletonList("hi")))).thenReturn(getAllResult);
}
@Test
public void shouldReturnKeysFromFindKeys() throws LuceneQueryException {
addValueToResults();
Collection<Object> results = query.findKeys();
assertEquals(Collections.singletonList("hi"), results);
}
@Test
public void shouldReturnEmptyListFromFindKeysWithNoResults() throws LuceneQueryException {
TopEntries entries = new TopEntries();
when(collector.getResult()).thenReturn(entries);
Collection<Object> results = query.findKeys();
assertEquals(Collections.emptyList(), results);
}
@Test
public void shouldReturnValuesFromFindValues() throws LuceneQueryException {
addValueToResults();
Collection<Object> results = query.findValues();
assertEquals(Collections.singletonList("value"), results);
}
@Test
public void shouldReturnEmptyListFromFindValuesWithNoResults() throws LuceneQueryException {
TopEntries entries = new TopEntries();
when(collector.getResult()).thenReturn(entries);
Collection<Object> results = query.findValues();
assertEquals(Collections.emptyList(), results);
}
@Test
public void shouldReturnLuceneResultStructFromFindResults() throws LuceneQueryException {
addValueToResults();
List<LuceneResultStruct<String, String>> result = new ArrayList<>();
result.add(new LuceneResultStructImpl("hi", "value", 5));
assertEquals(result, query.findResults());
}
@Test
public void shouldInvokeLuceneFunctionWithCorrectArguments() throws Exception {
addValueToResults();
PageableLuceneQueryResults<Object, Object> results = query.findPages();
verify(execution).execute(eq(LuceneFunction.ID));
ArgumentCaptor<LuceneFunctionContext> captor =
ArgumentCaptor.forClass(LuceneFunctionContext.class);
verify(execution).withArgs(captor.capture());
LuceneFunctionContext context = captor.getValue();
assertEquals(LIMIT, context.getLimit());
assertEquals(provider, context.getQueryProvider());
assertEquals("index", context.getIndexName());
assertEquals(5, results.getMaxScore(), 0.01);
final List<LuceneResultStruct<Object, Object>> page = results.next();
assertEquals(1, page.size());
LuceneResultStruct element = page.iterator().next();
assertEquals("hi", element.getKey());
assertEquals("value", element.getValue());
assertEquals(5, element.getScore(), 0.01);
}
}