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[Fix-15992][server] maintain slot index by iterate MasterPriorityQueu…
…e orderly (#15993)
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101
...vice/src/test/java/org/apache/dolphinscheduler/service/queue/MasterPriorityQueueTest.java
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/* | ||
* 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. | ||
*/ | ||
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package org.apache.dolphinscheduler.service.queue; | ||
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import org.apache.dolphinscheduler.common.model.Server; | ||
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import java.util.Arrays; | ||
import java.util.Date; | ||
import java.util.List; | ||
import java.util.stream.Collectors; | ||
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import org.junit.jupiter.api.Assertions; | ||
import org.junit.jupiter.api.Test; | ||
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public class MasterPriorityQueueTest { | ||
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@Test | ||
public void getOrderedCollection() { | ||
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MasterPriorityQueue queue = new MasterPriorityQueue(); | ||
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// Test empty queue | ||
Server[] emptyElements = queue.getOrderedElements(); | ||
Assertions.assertArrayEquals(emptyElements, new Server[]{}); | ||
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// Test queue with fabricated servers | ||
queue.putAll(getServerList()); | ||
Server[] orderElements = queue.getOrderedElements(); | ||
Assertions.assertEquals(extractServerIds(orderElements), Arrays.asList(4, 2, 1, 3)); | ||
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} | ||
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@Test | ||
public void refreshMasterList() { | ||
MasterPriorityQueue queue = new MasterPriorityQueue(); | ||
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// Test empty queue | ||
queue.clear(); | ||
Assertions.assertEquals(queue.getIndex("127.0.0.1:124"), -1); | ||
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// Test queue with fabricated servers | ||
queue.putAll(getServerList()); | ||
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Assertions.assertEquals(queue.getIndex("127.0.0.1:124"), 0); | ||
Assertions.assertEquals(queue.getIndex("127.0.0.1:122"), 1); | ||
Assertions.assertEquals(queue.getIndex("127.0.0.1:121"), 2); | ||
Assertions.assertEquals(queue.getIndex("127.0.0.1:123"), 3); | ||
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} | ||
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private List<Server> getServerList() { | ||
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long baseTime = new Date().getTime(); | ||
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Server server1 = new Server(); | ||
server1.setId(1); | ||
server1.setHost("127.0.0.1"); | ||
server1.setPort(121); | ||
server1.setCreateTime(new Date(baseTime - 1000)); | ||
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Server server2 = new Server(); | ||
server2.setId(2); | ||
server2.setHost("127.0.0.1"); | ||
server2.setPort(122); | ||
server2.setCreateTime(new Date(baseTime + 1000)); | ||
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Server server3 = new Server(); | ||
server3.setId(3); | ||
server3.setHost("127.0.0.1"); | ||
server3.setPort(123); | ||
server3.setCreateTime(new Date(baseTime - 2000)); | ||
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Server server4 = new Server(); | ||
server4.setId(4); | ||
server4.setHost("127.0.0.1"); | ||
server4.setPort(124); | ||
server4.setCreateTime(new Date(baseTime + 2000)); | ||
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return Arrays.asList(server1, server2, server3, server4); | ||
} | ||
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private List<Integer> extractServerIds(Server[] servers) { | ||
return Arrays.stream(servers).map(Server::getId).collect(Collectors.toList()); | ||
} | ||
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} |