| /* |
| * 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.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Mockito.atLeast; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| 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 java.util.NoSuchElementException; |
| import java.util.Set; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.ExpectedException; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| 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.LuceneResultStruct; |
| import org.apache.geode.cache.lucene.internal.distributed.EntryScore; |
| import org.apache.geode.test.junit.categories.LuceneTest; |
| |
| @Category({LuceneTest.class}) |
| public class PageableLuceneQueryResultsImplJUnitTest { |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| private List<EntryScore<String>> hits; |
| private List<LuceneResultStruct> expected = new ArrayList<LuceneResultStruct>(); |
| private Region<String, String> userRegion; |
| private Execution execution; |
| |
| @Before |
| public void setUp() { |
| hits = new ArrayList<EntryScore<String>>(); |
| |
| for (int i = 0; i < 23; i++) { |
| hits.add(new EntryScore("key_" + i, i)); |
| expected.add(new LuceneResultStructImpl<String, String>("key_" + i, "value_" + i, i)); |
| } |
| |
| userRegion = mock(Region.class); |
| |
| final ResultCollector collector = mock(ResultCollector.class); |
| execution = mock(Execution.class); |
| when(execution.withFilter(any())).thenReturn(execution); |
| when(execution.withCollector(any())).thenReturn(execution); |
| when(execution.execute(anyString())).thenReturn(collector); |
| |
| when(collector.getResult()).then(new Answer() { |
| |
| @Override |
| public Map answer(InvocationOnMock invocation) throws Throwable { |
| ArgumentCaptor<Set> captor = ArgumentCaptor.forClass(Set.class); |
| verify(execution, atLeast(1)).withFilter(captor.capture()); |
| Collection<String> keys = captor.getValue(); |
| Map<String, String> results = new HashMap<String, String>(); |
| for (String key : keys) { |
| results.put(key, key.replace("key_", "value_")); |
| } |
| |
| return results; |
| } |
| }); |
| } |
| |
| @Test |
| public void testMaxStore() { |
| hits.set(5, new EntryScore<String>("key_5", 502)); |
| |
| PageableLuceneQueryResultsImpl<String, String> results = |
| new PageableLuceneQueryResultsImpl<String, String>(hits, null, 5); |
| |
| assertEquals(502, results.getMaxScore(), 0.1f); |
| } |
| |
| @Test |
| public void testPagination() { |
| PageableLuceneQueryResultsImpl<String, String> results = |
| new PageableLuceneQueryResultsImpl<String, String>(hits, userRegion, 10) { |
| @Override |
| protected Execution onRegion() { |
| return execution; |
| } |
| }; |
| |
| assertEquals(23, results.size()); |
| |
| assertTrue(results.hasNext()); |
| |
| List<LuceneResultStruct<String, String>> next = results.next(); |
| assertEquals(expected.subList(0, 10), next); |
| |
| assertTrue(results.hasNext()); |
| next = results.next(); |
| assertEquals(expected.subList(10, 20), next); |
| |
| assertTrue(results.hasNext()); |
| next = results.next(); |
| assertEquals(expected.subList(20, 23), next); |
| |
| |
| assertFalse(results.hasNext()); |
| thrown.expect(NoSuchElementException.class); |
| results.next(); |
| } |
| |
| @Test |
| public void testNoPagination() { |
| PageableLuceneQueryResultsImpl<String, String> results = |
| new PageableLuceneQueryResultsImpl<String, String>(hits, userRegion, 0) { |
| @Override |
| protected Execution onRegion() { |
| return execution; |
| } |
| }; |
| |
| assertEquals(23, results.size()); |
| |
| assertTrue(results.hasNext()); |
| |
| List<LuceneResultStruct<String, String>> next = results.next(); |
| assertEquals(expected, next); |
| |
| assertFalse(results.hasNext()); |
| thrown.expect(NoSuchElementException.class); |
| results.next(); |
| } |
| |
| @Test |
| public void shouldThrowNoSuchElementExceptionFromNextWithNoMorePages() { |
| PageableLuceneQueryResultsImpl<String, String> results = |
| new PageableLuceneQueryResultsImpl<>(Collections.emptyList(), userRegion, 0); |
| |
| assertFalse(results.hasNext()); |
| thrown.expect(NoSuchElementException.class); |
| results.next(); |
| } |
| |
| } |