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/*
* Copyright 2014-2015 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.flow;
import java.util.Set;
import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.junit.Test;
import org.onlab.packet.Ip6Address;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.MplsLabel;
import org.onlab.packet.TpPort;
import org.onlab.packet.VlanId;
import org.onosproject.net.IndexedLambda;
import org.onosproject.net.PortNumber;
import org.onosproject.net.flow.criteria.Criteria;
import org.onosproject.net.flow.criteria.Criterion;
import com.google.common.testing.EqualsTester;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.notNullValue;
import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
import static org.onosproject.net.flow.criteria.Criterion.Type;
/**
* Unit tests for default traffic selector class.
*/
public class DefaultTrafficSelectorTest {
/**
* Checks that the DefaultFlowRule class is immutable.
*/
@Test
public void testImmutability() {
assertThatClassIsImmutable(DefaultTrafficSelector.class);
}
/**
* Tests equals(), hashCode() and toString() methods.
*/
@Test
public void testEquals() {
final short one = 1;
final short two = 2;
final TrafficSelector selector1 = DefaultTrafficSelector.builder()
.add(Criteria.matchLambda(new IndexedLambda(one)))
.build();
final TrafficSelector sameAsSelector1 = DefaultTrafficSelector.builder()
.add(Criteria.matchLambda(new IndexedLambda(one)))
.build();
final TrafficSelector selector2 = DefaultTrafficSelector.builder()
.add(Criteria.matchLambda(new IndexedLambda(two)))
.build();
new EqualsTester()
.addEqualityGroup(selector1, sameAsSelector1)
.addEqualityGroup(selector2)
.testEquals();
}
/**
* Hamcrest matcher to check that a selector contains a
* Criterion with the specified type.
*/
public static final class CriterionExistsMatcher
extends TypeSafeMatcher<TrafficSelector> {
private final Criterion.Type type;
/**
* Constructs a matcher for the given criterion type.
*
* @param typeValue criterion type to match
*/
public CriterionExistsMatcher(Criterion.Type typeValue) {
type = typeValue;
}
@Override
public boolean matchesSafely(TrafficSelector selector) {
final Set<Criterion> criteria = selector.criteria();
return notNullValue().matches(criteria) &&
hasSize(1).matches(criteria) &&
notNullValue().matches(selector.getCriterion(type));
}
@Override
public void describeTo(Description description) {
description.appendText("a criterion with type \" ").
appendText(type.toString()).
appendText("\"");
}
}
/**
* Creates a criterion type matcher. Returns a matcher
* for a criterion with the given type.
*
* @param type type of Criterion to match
* @return Matcher object
*/
@Factory
public static Matcher<TrafficSelector> hasCriterionWithType(Criterion.Type type) {
return new CriterionExistsMatcher(type);
}
/**
* Tests the builder functions that add specific criteria.
*/
@Test
public void testCriteriaCreation() {
TrafficSelector selector;
final long longValue = 0x12345678;
final int intValue = 22;
final short shortValue = 33;
final byte byteValue = 44;
final byte dscpValue = 0xf;
final byte ecnValue = 3;
final MacAddress macValue = MacAddress.valueOf("11:22:33:44:55:66");
final IpPrefix ipPrefixValue = IpPrefix.valueOf("192.168.1.0/24");
final IpPrefix ipv6PrefixValue = IpPrefix.valueOf("fe80::1/64");
final Ip6Address ipv6AddressValue = Ip6Address.valueOf("fe80::1");
selector = DefaultTrafficSelector.builder()
.matchInPort(PortNumber.portNumber(11)).build();
assertThat(selector, hasCriterionWithType(Type.IN_PORT));
selector = DefaultTrafficSelector.builder()
.matchInPhyPort(PortNumber.portNumber(11)).build();
assertThat(selector, hasCriterionWithType(Type.IN_PHY_PORT));
selector = DefaultTrafficSelector.builder()
.matchMetadata(longValue).build();
assertThat(selector, hasCriterionWithType(Type.METADATA));
selector = DefaultTrafficSelector.builder()
.matchEthDst(macValue).build();
assertThat(selector, hasCriterionWithType(Type.ETH_DST));
selector = DefaultTrafficSelector.builder()
.matchEthSrc(macValue).build();
assertThat(selector, hasCriterionWithType(Type.ETH_SRC));
selector = DefaultTrafficSelector.builder()
.matchEthType(shortValue).build();
assertThat(selector, hasCriterionWithType(Type.ETH_TYPE));
selector = DefaultTrafficSelector.builder()
.matchVlanId(VlanId.vlanId(shortValue)).build();
assertThat(selector, hasCriterionWithType(Type.VLAN_VID));
selector = DefaultTrafficSelector.builder()
.matchVlanPcp(byteValue).build();
assertThat(selector, hasCriterionWithType(Type.VLAN_PCP));
selector = DefaultTrafficSelector.builder()
.matchIPDscp(dscpValue).build();
assertThat(selector, hasCriterionWithType(Type.IP_DSCP));
selector = DefaultTrafficSelector.builder()
.matchIPEcn(ecnValue).build();
assertThat(selector, hasCriterionWithType(Type.IP_ECN));
selector = DefaultTrafficSelector.builder()
.matchIPProtocol(byteValue).build();
assertThat(selector, hasCriterionWithType(Type.IP_PROTO));
selector = DefaultTrafficSelector.builder()
.matchIPSrc(ipPrefixValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV4_SRC));
selector = DefaultTrafficSelector.builder()
.matchIPDst(ipPrefixValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV4_DST));
selector = DefaultTrafficSelector.builder()
.matchTcpSrc(TpPort.tpPort(intValue)).build();
assertThat(selector, hasCriterionWithType(Type.TCP_SRC));
selector = DefaultTrafficSelector.builder()
.matchTcpDst(TpPort.tpPort(intValue)).build();
assertThat(selector, hasCriterionWithType(Type.TCP_DST));
selector = DefaultTrafficSelector.builder()
.matchUdpSrc(TpPort.tpPort(intValue)).build();
assertThat(selector, hasCriterionWithType(Type.UDP_SRC));
selector = DefaultTrafficSelector.builder()
.matchUdpDst(TpPort.tpPort(intValue)).build();
assertThat(selector, hasCriterionWithType(Type.UDP_DST));
selector = DefaultTrafficSelector.builder()
.matchSctpSrc(TpPort.tpPort(intValue)).build();
assertThat(selector, hasCriterionWithType(Type.SCTP_SRC));
selector = DefaultTrafficSelector.builder()
.matchSctpDst(TpPort.tpPort(intValue)).build();
assertThat(selector, hasCriterionWithType(Type.SCTP_DST));
selector = DefaultTrafficSelector.builder()
.matchIcmpType(byteValue).build();
assertThat(selector, hasCriterionWithType(Type.ICMPV4_TYPE));
selector = DefaultTrafficSelector.builder()
.matchIcmpCode(byteValue).build();
assertThat(selector, hasCriterionWithType(Type.ICMPV4_CODE));
selector = DefaultTrafficSelector.builder()
.matchIPv6Src(ipv6PrefixValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_SRC));
selector = DefaultTrafficSelector.builder()
.matchIPv6Dst(ipv6PrefixValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_DST));
selector = DefaultTrafficSelector.builder()
.matchIPv6FlowLabel(intValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_FLABEL));
selector = DefaultTrafficSelector.builder()
.matchIcmpv6Type(byteValue).build();
assertThat(selector, hasCriterionWithType(Type.ICMPV6_TYPE));
selector = DefaultTrafficSelector.builder()
.matchIPv6NDTargetAddress(ipv6AddressValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_ND_TARGET));
selector = DefaultTrafficSelector.builder()
.matchIPv6NDSourceLinkLayerAddress(macValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_ND_SLL));
selector = DefaultTrafficSelector.builder()
.matchIPv6NDTargetLinkLayerAddress(macValue).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_ND_TLL));
selector = DefaultTrafficSelector.builder()
.matchMplsLabel(MplsLabel.mplsLabel(3)).build();
assertThat(selector, hasCriterionWithType(Type.MPLS_LABEL));
selector = DefaultTrafficSelector.builder()
.matchIPv6ExthdrFlags(Criterion.IPv6ExthdrFlags.NONEXT.getValue()).build();
assertThat(selector, hasCriterionWithType(Type.IPV6_EXTHDR));
selector = DefaultTrafficSelector.builder()
.add(Criteria.matchLambda(new IndexedLambda(shortValue))).build();
assertThat(selector, hasCriterionWithType(Type.OCH_SIGID));
}
}
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