| /* |
| * 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.gossip.manager; |
| |
| import java.net.URI; |
| |
| import org.apache.gossip.GossipSettings; |
| import org.apache.gossip.manager.random.RandomGossipManager; |
| import org.apache.gossip.model.GossipDataMessage; |
| import org.apache.gossip.model.SharedGossipDataMessage; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import io.teknek.tunit.TUnit; |
| |
| public class DataReaperTest { |
| |
| @Test |
| public void testReaperOneShot() { |
| String myId = "4"; |
| String key = "key"; |
| String value = "a"; |
| GossipSettings settings = new GossipSettings(); |
| GossipManager gm = RandomGossipManager.newBuilder().cluster("abc").settings(settings) |
| .withId(myId).uri(URI.create("udp://localhost:5000")).build(); |
| gm.gossipPerNodeData(perNodeDatum(key, value)); |
| gm.gossipSharedData(sharedDatum(key, value)); |
| Assert.assertEquals(value, gm.findPerNodeGossipData(myId, key).getPayload()); |
| Assert.assertEquals(value, gm.findSharedGossipData(key).getPayload()); |
| gm.getDataReaper().runPerNodeOnce(); |
| gm.getDataReaper().runSharedOnce(); |
| TUnit.assertThat(() -> gm.findPerNodeGossipData(myId, key)).equals(null); |
| TUnit.assertThat(() -> gm.findSharedGossipData(key)).equals(null); |
| } |
| |
| private GossipDataMessage perNodeDatum(String key, String value) { |
| GossipDataMessage m = new GossipDataMessage(); |
| m.setExpireAt(System.currentTimeMillis() + 5L); |
| m.setKey(key); |
| m.setPayload(value); |
| m.setTimestamp(System.currentTimeMillis()); |
| return m; |
| } |
| |
| private SharedGossipDataMessage sharedDatum(String key, String value) { |
| SharedGossipDataMessage m = new SharedGossipDataMessage(); |
| m.setExpireAt(System.currentTimeMillis() + 5L); |
| m.setKey(key); |
| m.setPayload(value); |
| m.setTimestamp(System.currentTimeMillis()); |
| return m; |
| } |
| |
| |
| @Test |
| public void testHigherTimestampWins() { |
| String myId = "4"; |
| String key = "key"; |
| String value = "a"; |
| GossipSettings settings = new GossipSettings(); |
| GossipManager gm = RandomGossipManager.newBuilder().cluster("abc").settings(settings) |
| .withId(myId).uri(URI.create("udp://localhost:5000")).build(); |
| GossipDataMessage before = perNodeDatum(key, value); |
| GossipDataMessage after = perNodeDatum(key, "b"); |
| after.setTimestamp(after.getTimestamp() - 1); |
| gm.gossipPerNodeData(before); |
| Assert.assertEquals(value, gm.findPerNodeGossipData(myId, key).getPayload()); |
| gm.gossipPerNodeData(after); |
| Assert.assertEquals(value, gm.findPerNodeGossipData(myId, key).getPayload()); |
| } |
| |
| } |