| /** |
| * 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.metron.pcap; |
| |
| import org.junit.jupiter.api.Test; |
| import org.krakenapps.pcap.packet.PacketHeader; |
| import org.krakenapps.pcap.packet.PacketPayload; |
| import org.krakenapps.pcap.packet.PcapPacket; |
| |
| import java.time.ZonedDateTime; |
| import java.time.format.DateTimeFormatter; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| public class PcapPackerComparatorTest { |
| private static final String BASE_DATE = "July 26, 2016 8:21:13 AM UTC"; |
| private static final String DATE_FORMAT = "MMMM dd, yyyy h:mm:ss a z"; |
| |
| private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern(DATE_FORMAT); |
| private static final ZonedDateTime JULY_26 = ZonedDateTime.parse(BASE_DATE, FORMATTER); |
| |
| private static final long JULY_26_SECONDS = JULY_26.toInstant().getEpochSecond(); |
| private static final long JULY_26_PLUS_ONE_SECOND_SECONDS = JULY_26.plusSeconds(1L).toInstant().getEpochSecond(); |
| private static final long JULY_26_PLUS_TWENTY_YEARS_SECONDS = JULY_26.plusYears(20L).toInstant().getEpochSecond(); |
| |
| private static final PacketPayload EMPTY_PAYLOAD = new PacketPayload(new byte[0]); |
| |
| private static final PcapPacketComparator comp = new PcapPacketComparator(); |
| |
| @Test |
| public void testEqual() { |
| PacketHeader ph = new PacketHeader((int) JULY_26_SECONDS, 0, 0, 0); |
| PcapPacket packet = new PcapPacket(ph, EMPTY_PAYLOAD); |
| |
| PacketHeader ph2 = new PacketHeader((int) JULY_26_SECONDS, 0, 0, 0); |
| PcapPacket packet2 = new PcapPacket(ph2, EMPTY_PAYLOAD); |
| |
| assertEquals(comp.compare(packet, packet2), 0, "Timestamps should be equal"); |
| assertEquals(comp.compare(packet2, packet), 0, "Timestamps should be equal"); |
| } |
| |
| @Test |
| public void testDifferingSeconds() { |
| PacketHeader ph = new PacketHeader((int) JULY_26_SECONDS, 0, 0, 0); |
| PcapPacket earlier = new PcapPacket(ph, EMPTY_PAYLOAD); |
| |
| PacketHeader ph2 = new PacketHeader((int) JULY_26_PLUS_ONE_SECOND_SECONDS, 0, 0, 0); |
| PcapPacket later = new PcapPacket(ph2, EMPTY_PAYLOAD); |
| |
| PcapPacketComparator comp = new PcapPacketComparator(); |
| assertTrue(comp.compare(earlier, later) < 0, "Earlier should be less than later"); |
| assertTrue(comp.compare(later, earlier) > 0, "Later should be greater than earlier"); |
| } |
| |
| @Test |
| public void testDifferingMicroseconds() { |
| PacketHeader ph = new PacketHeader((int) JULY_26_SECONDS, 0, 0, 0); |
| PcapPacket earlier = new PcapPacket(ph, EMPTY_PAYLOAD); |
| |
| PacketHeader ph2 = new PacketHeader((int) JULY_26_SECONDS, 1, 0, 0); |
| PcapPacket later = new PcapPacket(ph2, EMPTY_PAYLOAD); |
| |
| PcapPacketComparator comp = new PcapPacketComparator(); |
| assertTrue(comp.compare(earlier, later) < 0, "Earlier should be less than later"); |
| assertTrue(comp.compare(later, earlier) > 0, "Later should be greater than earlier"); |
| } |
| |
| @Test |
| public void testBothSmallDifferences() { |
| PacketHeader ph = new PacketHeader((int) JULY_26_SECONDS, 0, 0, 0); |
| PcapPacket earlier = new PcapPacket(ph, EMPTY_PAYLOAD); |
| |
| PacketHeader ph2 = new PacketHeader((int) JULY_26_PLUS_ONE_SECOND_SECONDS, 1, 0, 0); |
| PcapPacket later = new PcapPacket(ph2, EMPTY_PAYLOAD); |
| |
| PcapPacketComparator comp = new PcapPacketComparator(); |
| assertTrue(comp.compare(earlier, later) < 0, "Earlier should be less than later"); |
| assertTrue(comp.compare(later, earlier) > 0, "Later should be greater than earlier"); |
| } |
| |
| @Test |
| public void testLargeDifference() { |
| PacketHeader ph = new PacketHeader((int) JULY_26_SECONDS, 0, 0, 0); |
| PcapPacket earlier = new PcapPacket(ph, EMPTY_PAYLOAD); |
| |
| PacketHeader ph2 = new PacketHeader((int) JULY_26_PLUS_TWENTY_YEARS_SECONDS, 999999, 0, 0); |
| PcapPacket later = new PcapPacket(ph2, EMPTY_PAYLOAD); |
| |
| PcapPacketComparator comp = new PcapPacketComparator(); |
| assertTrue(comp.compare(earlier, later) < 0, "Earlier should be less than later"); |
| assertTrue(comp.compare(later, earlier) > 0, "Later should be greater than earlier"); |
| } |
| } |