Java tutorial
/* * Copyright 2018-present Open Networking Foundation * * Licensed 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.onosproject.openstacknetworking.util; import com.fasterxml.jackson.databind.node.ObjectNode; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Maps; import com.google.common.collect.Sets; import com.google.common.testing.EqualsTester; import org.apache.commons.io.IOUtils; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.onlab.packet.Ip4Address; import org.onlab.packet.IpAddress; import org.onosproject.net.Device; import org.onosproject.net.DeviceId; import org.onosproject.openstacknode.api.NodeState; import org.onosproject.openstacknode.api.OpenstackNode; import org.onosproject.openstacknode.impl.OpenstackNodeTest; import org.openstack4j.model.network.NetFloatingIP; import org.openstack4j.openstack.networking.domain.NeutronFloatingIP; import java.io.IOException; import java.io.InputStream; import java.nio.charset.StandardCharsets; import java.util.Map; import java.util.Set; import static org.junit.Assert.assertEquals; import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByComputeDevId; public final class OpenstackNetworkingUtilTest { private NetFloatingIP floatingIp; @Before public void setUp() { floatingIp = NeutronFloatingIP.builder().floatingNetworkId("floatingNetworkingId").portId("portId").build(); } @After public void tearDown() { } /** * Tests the floatingIp translation. */ @Test public void testFloatingIp() throws IOException { ObjectNode floatingIpNode = OpenstackNetworkingUtil.modelEntityToJson(floatingIp, NeutronFloatingIP.class); InputStream is = IOUtils.toInputStream(floatingIpNode.toString(), StandardCharsets.UTF_8.name()); NetFloatingIP floatingIp2 = (NetFloatingIP) OpenstackNetworkingUtil.jsonToModelEntity(is, NeutronFloatingIP.class); new EqualsTester().addEqualityGroup(floatingIp, floatingIp2).testEquals(); } /** * Tests the getGwByComputeDevId method. */ @Test public void testGetGwByComputeDevId() { Set<OpenstackNode> gws = Sets.newConcurrentHashSet(); gws.add(genGateway(1)); gws.add(genGateway(2)); gws.add(genGateway(3)); Set<OpenstackNode> cloneOfGws = ImmutableSet.copyOf(gws); Map<String, Integer> gwCountMap = Maps.newConcurrentMap(); int numOfDev = 99; for (int i = 1; i < 1 + numOfDev; i++) { OpenstackNode gw = getGwByComputeDevId(gws, genDeviceId(i)); if (gwCountMap.get(gw.hostname()) == null) { gwCountMap.put(gw.hostname(), 1); } else { gwCountMap.compute(gw.hostname(), (k, v) -> v + 1); } new EqualsTester().addEqualityGroup(getGwByComputeDevId(gws, genDeviceId(i)), getGwByComputeDevId(cloneOfGws, genDeviceId(i))).testEquals(); } int sum = gwCountMap.values().stream().mapToInt(Integer::intValue).sum(); assertEquals(numOfDev, sum); } private OpenstackNode genGateway(int index) { Device intgBrg = InternalOpenstackNodeTest.createDevice(index); String hostname = "gateway-" + index; IpAddress ip = Ip4Address.valueOf("10.10.10." + index); NodeState state = NodeState.COMPLETE; String uplinkPort = "eth0"; return InternalOpenstackNodeTest.createNode(hostname, OpenstackNode.NodeType.GATEWAY, intgBrg, ip, uplinkPort, state); } private DeviceId genDeviceId(int index) { return DeviceId.deviceId("of:compute-" + index); } protected class InternalOpenstackNodeTest extends OpenstackNodeTest { } }