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/*
 * Copyright (c) 2016 Cisco and/or its affiliates.
 *
 * 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 io.fd.hc2vpp.routing;

import static org.junit.Assert.assertEquals;

import io.fd.hc2vpp.common.test.util.NamingContextHelper;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.routing.helpers.RoutingRequestTestHelper;
import io.fd.hc2vpp.routing.helpers.SchemaContextTestHelper;
import io.fd.hc2vpp.routing.naming.Ipv4RouteNamesFactory;
import io.fd.honeycomb.test.tools.HoneycombTestRunner;
import io.fd.honeycomb.test.tools.annotations.InjectTestData;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.vpp.jvpp.core.dto.IpFibDetails;
import io.fd.vpp.jvpp.core.types.FibPath;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.ipv4.unicast.routing.rev180319.VppIpv4NextHopAugmentation;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.ipv4.unicast.routing.rev180319.VppIpv4NextHopAugmentationBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.next.hop.NextHop1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.next.hop.NextHop1Builder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.next.hop.list.next.hop.list.NextHopBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.routing.control.plane.protocols.control.plane.protocol.StaticRoutes;

@RunWith(HoneycombTestRunner.class)
public class Ipv4RouteNamesFactoryTest
        implements RoutingRequestTestHelper, SchemaContextTestHelper, NamingContextHelper {

    @Mock
    private MappingContext mappingContext;

    private NamingContext interfaceContext;
    private NamingContext routingProtocolContext;
    private IpFibDetails vppRoute;
    private FibPath vppPath;
    private Ipv4RouteNamesFactory factory;

    @Before
    public void init() {
        MockitoAnnotations.initMocks(this);
        interfaceContext = new NamingContext("interface-", "interface-context");
        routingProtocolContext = new NamingContext("routing-protocol-", "routing-protocol-context");
        vppRoute = new IpFibDetails();
        vppRoute.address = Ipv4RouteData.FIRST_ADDRESS_AS_ARRAY;
        vppRoute.addressLength = 24;
        vppRoute.tableId = 1;

        vppPath = new FibPath();
        vppPath.nextHop = Ipv4RouteData.FIRST_ADDRESS_AS_ARRAY;
        vppPath.swIfIndex = 2;
        vppPath.weight = 3;

        factory = new Ipv4RouteNamesFactory(interfaceContext, routingProtocolContext);
        defineMapping(mappingContext, "iface", 2, "interface-context");
        defineMapping(mappingContext, ROUTE_PROTOCOL_NAME, 1, "routing-protocol-context");
    }

    @Test
    public void testUniqueRouteName(
            @InjectTestData(resourcePath = "/ipv4/simplehop/simpleHopRouteWithClassifier.json", id = STATIC_ROUTE_PATH)
                StaticRoutes data) {
        assertEquals("tst-protocol_192-168-2-1_24",
                     factory.uniqueRouteName(ROUTE_PROTOCOL_NAME,
                                             getIpv4RouteWithId(data, new Ipv4Prefix("192.168.2.1/24"))));
        assertEquals("tst-protocol_192-168-2-1_24", factory.uniqueRouteName(vppRoute, mappingContext));
    }

    @Test
    public void testUniqueRouteHopName() {
        assertEquals("iface_192-168-2-1_3", factory.uniqueRouteHopName(
            new NextHopBuilder()
                .setOutgoingInterface("iface")
                .addAugmentation(NextHop1.class,
                    new NextHop1Builder()
                        .setNextHopAddress(new Ipv4Address("192.168.2.1"))
                        .build())
                .addAugmentation(VppIpv4NextHopAugmentation.class,
                                 new VppIpv4NextHopAugmentationBuilder()
                                     .setWeight((short) 3)
                                     .build())
                .build()));
        assertEquals("iface_192-168-2-1_3", factory.uniqueRouteHopName(vppPath, mappingContext));
    }
}