| /** |
| * 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.pulsar.broker.service; |
| |
| import org.apache.pulsar.client.api.Range; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| @Test(groups = "broker") |
| public class HashRangeAutoSplitStickyKeyConsumerSelectorTest { |
| |
| @Test |
| public void testGetConsumerKeyHashRanges() throws BrokerServiceException.ConsumerAssignException { |
| HashRangeAutoSplitStickyKeyConsumerSelector selector = new HashRangeAutoSplitStickyKeyConsumerSelector(2 << 5); |
| List<String> consumerName = Arrays.asList("consumer1", "consumer2", "consumer3", "consumer4"); |
| List<Consumer> consumers = new ArrayList<>(); |
| for (String s : consumerName) { |
| Consumer consumer = mock(Consumer.class); |
| when(consumer.consumerName()).thenReturn(s); |
| selector.addConsumer(consumer); |
| consumers.add(consumer); |
| } |
| |
| Map<Consumer, List<Range>> expectedResult = new HashMap<>(); |
| expectedResult.put(consumers.get(0), Collections.singletonList(Range.of(49, 64))); |
| expectedResult.put(consumers.get(3), Collections.singletonList(Range.of(33, 48))); |
| expectedResult.put(consumers.get(1), Collections.singletonList(Range.of(17, 32))); |
| expectedResult.put(consumers.get(2), Collections.singletonList(Range.of(0, 16))); |
| for (Map.Entry<Consumer, List<Range>> entry : selector.getConsumerKeyHashRanges().entrySet()) { |
| Assert.assertEquals(entry.getValue(), expectedResult.get(entry.getKey())); |
| expectedResult.remove(entry.getKey()); |
| } |
| Assert.assertEquals(expectedResult.size(), 0); |
| } |
| |
| @Test |
| public void testGetConsumerKeyHashRangesWithSameConsumerName() throws Exception { |
| HashRangeAutoSplitStickyKeyConsumerSelector selector = new HashRangeAutoSplitStickyKeyConsumerSelector(2 << 5); |
| final String consumerName = "My-consumer"; |
| List<Consumer> consumers = new ArrayList<>(); |
| for (int i = 0; i < 3; i++) { |
| Consumer consumer = mock(Consumer.class); |
| when(consumer.consumerName()).thenReturn(consumerName); |
| selector.addConsumer(consumer); |
| consumers.add(consumer); |
| } |
| |
| List<Range> prev = null; |
| for (Consumer consumer : consumers) { |
| List<Range> ranges = selector.getConsumerKeyHashRanges().get(consumer); |
| Assert.assertEquals(ranges.size(), 1); |
| if (prev != null) { |
| Assert.assertNotEquals(prev, ranges); |
| } |
| prev = ranges; |
| } |
| } |
| } |