/*
 * Copyright 2014 Open Networking Laboratory
 *
 * 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.net.link;

import org.junit.Test;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DefaultAnnotations;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Link;
import org.onosproject.net.NetTestTools;
import org.onosproject.net.PortNumber;

import com.google.common.testing.EqualsTester;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.onosproject.net.DefaultLinkTest.cp;
import static org.onosproject.net.DeviceId.deviceId;
import static org.onosproject.net.Link.Type.DIRECT;
import static org.onosproject.net.PortNumber.portNumber;

/**
 * Test of the default link description.
 */
public class DefaultLinkDescriptionTest {

    private static final DeviceId DID1 = deviceId("of:foo");
    private static final DeviceId DID2 = deviceId("of:bar");
    private static final PortNumber P1 = portNumber(1);
    private static final DefaultAnnotations DA =
            DefaultAnnotations.builder().set("Key", "Value").build();

    @Test
    public void basics() {
        LinkDescription desc = new DefaultLinkDescription(cp(DID1, P1), cp(DID2, P1), DIRECT, DA);
        assertEquals("incorrect src", cp(DID1, P1), desc.src());
        assertEquals("incorrect dst", cp(DID2, P1), desc.dst());
        assertEquals("incorrect type", DIRECT, desc.type());
        assertTrue("incorrect annotations", desc.toString().contains("Key=Value"));
    }

    /**
     * Tests the equals(), hashCode() and toString() methods.
     */
    @Test
    public void testEquals() {
        ConnectPoint connectPoint1 = NetTestTools.connectPoint("sw1", 1);
        ConnectPoint connectPoint2 = NetTestTools.connectPoint("sw2", 2);
        ConnectPoint connectPoint3 = NetTestTools.connectPoint("sw3", 3);

        DefaultLinkDescription link1 =
                new DefaultLinkDescription(connectPoint1, connectPoint2,
                                           Link.Type.DIRECT);
        DefaultLinkDescription sameAsLink1 =
                new DefaultLinkDescription(connectPoint1, connectPoint2,
                                           Link.Type.DIRECT);
        DefaultLinkDescription link2 =
                new DefaultLinkDescription(connectPoint1, connectPoint2,
                                           Link.Type.INDIRECT);
        DefaultLinkDescription link3 =
                new DefaultLinkDescription(connectPoint1, connectPoint3,
                                           Link.Type.DIRECT);
        DefaultLinkDescription link4 =
                new DefaultLinkDescription(connectPoint2, connectPoint3,
                                           Link.Type.DIRECT);
        DefaultLinkDescription link5 =
                new DefaultLinkDescription(connectPoint1, connectPoint2,
                                           Link.Type.DIRECT, false);
        DefaultLinkDescription link6 =
                new DefaultLinkDescription(connectPoint2, connectPoint3,
                                           Link.Type.DIRECT, DA);

        new EqualsTester()
                .addEqualityGroup(link1, sameAsLink1)
                .addEqualityGroup(link2)
                .addEqualityGroup(link3)
                .addEqualityGroup(link4)
                .addEqualityGroup(link5)
                .addEqualityGroup(link6)
                .testEquals();

    }
}