| /* |
| * Copyright 2016-present 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.intent.impl.compiler; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Sets; |
| import org.hamcrest.Matchers; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.VlanId; |
| import org.onlab.util.Bandwidth; |
| import org.onosproject.TestApplicationId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.FilteredConnectPoint; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.intent.AbstractIntentTest; |
| import org.onosproject.net.intent.Constraint; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentException; |
| import org.onosproject.net.intent.IntentTestsMocks; |
| import org.onosproject.net.intent.Key; |
| import org.onosproject.net.intent.LinkCollectionIntent; |
| import org.onosproject.net.intent.SinglePointToMultiPointIntent; |
| import org.onosproject.net.intent.constraint.BandwidthConstraint; |
| import org.onosproject.net.intent.constraint.PartialFailureConstraint; |
| import org.onosproject.net.resource.ContinuousResource; |
| import org.onosproject.net.resource.MockResourceService; |
| import org.onosproject.net.resource.ResourceAllocation; |
| import org.onosproject.net.resource.ResourceService; |
| import org.onosproject.net.resource.Resources; |
| import org.onosproject.net.topology.PathService; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.hamcrest.CoreMatchers.instanceOf; |
| import static org.hamcrest.CoreMatchers.notNullValue; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertEquals; |
| import static org.onosproject.net.intent.LinksHaveEntryWithSourceDestinationPairMatcher.linksHasPath; |
| |
| /** |
| * Unit tests for SinglePointToMultiPointIntentCompiler. |
| */ |
| public class SinglePointToMultiPointIntentCompilerTest extends AbstractIntentTest { |
| |
| private static final ApplicationId APPID = new TestApplicationId("foo"); |
| private static final String S1 = "s1"; |
| private static final String S2 = "s2"; |
| private static final String S3 = "s3"; |
| private static final String S4 = "s4"; |
| private static final String S5 = "s5"; |
| private static final String S6 = "s6"; |
| private static final String S7 = "s7"; |
| private static final String S8 = "s8"; |
| |
| private static final DeviceId DID_1 = DeviceId.deviceId("of:" + S1); |
| private static final DeviceId DID_2 = DeviceId.deviceId("of:" + S2); |
| private static final DeviceId DID_3 = DeviceId.deviceId("of:" + S3); |
| private static final DeviceId DID_4 = DeviceId.deviceId("of:" + S4); |
| private static final DeviceId DID_5 = DeviceId.deviceId("of:" + S5); |
| private static final DeviceId DID_8 = DeviceId.deviceId("of:" + S8); |
| |
| private static final PortNumber PORT_1 = PortNumber.portNumber(1); |
| private static final PortNumber PORT_2 = PortNumber.portNumber(2); |
| private static final PortNumber PORT_3 = PortNumber.portNumber(3); |
| |
| private TrafficSelector selector = new IntentTestsMocks.MockSelector(); |
| private TrafficTreatment treatment = new IntentTestsMocks.MockTreatment(); |
| |
| /** |
| * Creates a SinglePointToMultiPoint intent for an ingress point |
| * and a group of egress points. |
| * |
| * @param ingress the filtered ingress point |
| * @param egress the set of filtered egress points |
| * @return a single point to multi point intent |
| */ |
| private SinglePointToMultiPointIntent makeIntent(FilteredConnectPoint ingress, |
| Set<FilteredConnectPoint> egress) { |
| return makeIntent(ingress, egress, selector); |
| } |
| |
| /** |
| * Generates SinglePointToMultiPointIntent with filtered connection point |
| * and the specified selector. |
| * |
| * @param ingress the filtered ingress point |
| * @param egress the filtered egress point |
| * @param trafficSelector the intent traffic selector |
| * @return a single point to multi point intent |
| */ |
| private SinglePointToMultiPointIntent makeIntent(FilteredConnectPoint ingress, |
| Set<FilteredConnectPoint> egress, |
| TrafficSelector trafficSelector) { |
| return makeIntent(ingress, egress, trafficSelector, Lists.newArrayList()); |
| } |
| |
| /** |
| * Generates SinglePointToMultiPointIntent with filtered connection point |
| * and the given constraints set. |
| * |
| * @param ingress the filtered ingress point |
| * @param egress the filtered egress point |
| * @param constraints the list of intent constraints |
| * @return a single point to multi point intent |
| */ |
| private SinglePointToMultiPointIntent makeIntent(FilteredConnectPoint ingress, |
| Set<FilteredConnectPoint> egress, |
| List<Constraint> constraints) { |
| return makeIntent(ingress, egress, selector, constraints); |
| } |
| |
| /** |
| * Generates SinglePointToMultiPointIntent with filtered connection point, |
| * and the specified traffic selector and intent constraints. |
| * |
| * @param ingress the filtered ingress point |
| * @param egress the set of filtered egress points |
| * @param trafficSelector the intent traffic selector |
| * @param constraints the list of intent constraints |
| * @return a single point to multi point intent |
| */ |
| private SinglePointToMultiPointIntent makeIntent(FilteredConnectPoint ingress, |
| Set<FilteredConnectPoint> egress, |
| TrafficSelector trafficSelector, |
| List<Constraint> constraints) { |
| return SinglePointToMultiPointIntent.builder() |
| .appId(APPID) |
| .treatment(treatment) |
| .selector(trafficSelector) |
| .filteredIngressPoint(ingress) |
| .filteredEgressPoints(egress) |
| .constraints(constraints) |
| .build(); |
| } |
| |
| /** |
| * Creates a compiler for SinglePointToMultiPoint intents. |
| * |
| * @param hops hops to use while computing paths for this intent |
| * @param pathService the path service |
| * @param resourceService the resource service |
| * @return a single point to multi point intent compiler |
| */ |
| private SinglePointToMultiPointIntentCompiler makeCompiler(String[] hops, |
| PathService pathService, |
| ResourceService resourceService) { |
| SinglePointToMultiPointIntentCompiler compiler = |
| new SinglePointToMultiPointIntentCompiler(); |
| compiler.deviceService = new IntentTestsMocks.MockDeviceService(); |
| |
| if (pathService == null) { |
| compiler.pathService = new IntentTestsMocks.Mp2MpMockPathService(hops); |
| } else { |
| compiler.pathService = pathService; |
| } |
| |
| if (resourceService == null) { |
| compiler.resourceService = new MockResourceService(); |
| } else { |
| compiler.resourceService = resourceService; |
| } |
| |
| return compiler; |
| } |
| |
| /** |
| * Creates a compiler for SinglePointToMultiPoint intents. |
| * |
| * @param hops the hops to use while computing paths for this intent |
| * @return a single point to multi point intent compiler |
| */ |
| private SinglePointToMultiPointIntentCompiler makeCompiler(String[] hops) { |
| return makeCompiler(hops, null, null); |
| } |
| |
| /** |
| * Tests a single ingress point with 8 hops to its egress point. |
| */ |
| @Test |
| public void testSingleLongPathCompilation() { |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| Set<FilteredConnectPoint> egress = |
| Sets.newHashSet(new FilteredConnectPoint(new ConnectPoint(DID_8, PORT_2))); |
| |
| SinglePointToMultiPointIntent intent = |
| makeIntent(ingress, egress); |
| |
| assertThat(intent, is(notNullValue())); |
| |
| String[] hops = {S2, S3, S4, S5, S6, S7}; |
| SinglePointToMultiPointIntentCompiler compiler = makeCompiler(hops); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(Matchers.notNullValue())); |
| assertThat(result, hasSize(1)); |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent instanceof LinkCollectionIntent, is(true)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(7)); |
| assertThat(linkIntent.links(), linksHasPath(S1, S2)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S3)); |
| assertThat(linkIntent.links(), linksHasPath(S3, S4)); |
| assertThat(linkIntent.links(), linksHasPath(S4, S5)); |
| assertThat(linkIntent.links(), linksHasPath(S5, S6)); |
| assertThat(linkIntent.links(), linksHasPath(S6, S7)); |
| assertThat(linkIntent.links(), linksHasPath(S7, S8)); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| } |
| |
| /** |
| * Tests a simple topology where two egress points share some path segments |
| * and some path segments are not shared. |
| */ |
| @Test |
| public void testTwoEgressCompilation() { |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| FilteredConnectPoint egressOne = |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_2)); |
| FilteredConnectPoint egressTwo = |
| new FilteredConnectPoint(new ConnectPoint(DID_5, PORT_2)); |
| Set<FilteredConnectPoint> egress = Sets.newHashSet(egressOne, egressTwo); |
| |
| SinglePointToMultiPointIntent intent = makeIntent(ingress, egress); |
| |
| assertThat(intent, is(notNullValue())); |
| |
| final String[] hops = {S2, S3}; |
| SinglePointToMultiPointIntentCompiler compiler = makeCompiler(hops); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(notNullValue())); |
| assertThat(result, hasSize(1)); |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent instanceof LinkCollectionIntent, is(true)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(4)); |
| assertThat(linkIntent.links(), linksHasPath(S1, S2)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S3)); |
| assertThat(linkIntent.links(), linksHasPath(S3, S4)); |
| assertThat(linkIntent.links(), linksHasPath(S3, S5)); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| } |
| |
| /** |
| * Tests multiple egress points that share a common path to the ingress |
| * point. |
| */ |
| @Test |
| public void testMultiEgressCompilation() { |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| FilteredConnectPoint egressOne = |
| new FilteredConnectPoint(new ConnectPoint(DID_3, PORT_2)); |
| FilteredConnectPoint egressTwo = |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_2)); |
| FilteredConnectPoint egressThree = |
| new FilteredConnectPoint(new ConnectPoint(DID_5, PORT_2)); |
| Set<FilteredConnectPoint> egress = Sets.newHashSet(egressOne, |
| egressTwo, |
| egressThree); |
| |
| SinglePointToMultiPointIntent intent = makeIntent(ingress, egress); |
| |
| assertThat(intent, is(notNullValue())); |
| |
| final String[] hops = {S2}; |
| SinglePointToMultiPointIntentCompiler compiler = makeCompiler(hops); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(notNullValue())); |
| assertThat(result, hasSize(1)); |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent instanceof LinkCollectionIntent, is(true)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(4)); |
| assertThat(linkIntent.links(), linksHasPath(S1, S2)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S3)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S4)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S5)); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| } |
| |
| /** |
| * Tests ingress and egress on the same device. |
| */ |
| @Test |
| public void testSameDeviceCompilation() { |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| Set<FilteredConnectPoint> egress = |
| Sets.newHashSet(new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_2)), |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_3))); |
| |
| SinglePointToMultiPointIntent intent = makeIntent(ingress, egress); |
| assertThat(intent, is(notNullValue())); |
| |
| final String[] hops = {}; |
| SinglePointToMultiPointIntentCompiler compiler = makeCompiler(hops); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(notNullValue())); |
| assertThat(result, hasSize(1)); |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent, instanceOf(LinkCollectionIntent.class)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(0)); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| } |
| |
| /** |
| * Tests filtered ingress and egress connect points. |
| */ |
| @Test |
| public void testFilteredConnectPointIntent() { |
| |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| Set<FilteredConnectPoint> egress = ImmutableSet.of( |
| new FilteredConnectPoint(new ConnectPoint(DID_3, PORT_1), |
| DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId("100")).build()), |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_1), |
| DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId("200")).build()) |
| ); |
| |
| SinglePointToMultiPointIntent intent = makeIntent(ingress, egress, selector); |
| String[] hops = {S2}; |
| |
| SinglePointToMultiPointIntentCompiler compiler = makeCompiler(hops); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(notNullValue())); |
| assertThat(result, hasSize(1)); |
| |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent, instanceOf(LinkCollectionIntent.class)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(3)); |
| |
| assertThat(linkIntent.links(), linksHasPath(S1, S2)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S3)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S4)); |
| |
| Set<FilteredConnectPoint> ingressPoints = linkIntent.filteredIngressPoints(); |
| assertThat("Link collection ingress points do not match base intent", |
| ingressPoints.size() == 1 && ingressPoints.contains(intent.filteredIngressPoint())); |
| |
| assertThat("Link collection egress points do not match base intent", |
| linkIntent.filteredEgressPoints().equals(intent.filteredEgressPoints())); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| |
| } |
| |
| /** |
| * Tests filtered ingress and egress points with an intent selector set. |
| */ |
| @Test |
| public void testNonTrivialSelectorsIntent() { |
| |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| Set<FilteredConnectPoint> egress = ImmutableSet.of( |
| new FilteredConnectPoint(new ConnectPoint(DID_3, PORT_1), |
| DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId("100")).build()), |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_1), |
| DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId("200")).build()) |
| ); |
| |
| TrafficSelector ipPrefixSelector = DefaultTrafficSelector.builder() |
| .matchIPDst(IpPrefix.valueOf("192.168.100.0/24")) |
| .build(); |
| |
| SinglePointToMultiPointIntent intent = makeIntent(ingress, egress, ipPrefixSelector); |
| String[] hops = {S2}; |
| |
| SinglePointToMultiPointIntentCompiler compiler = makeCompiler(hops); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(notNullValue())); |
| assertThat(result, hasSize(1)); |
| |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent, instanceOf(LinkCollectionIntent.class)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(3)); |
| |
| assertThat(linkIntent.links(), linksHasPath(S1, S2)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S3)); |
| assertThat(linkIntent.links(), linksHasPath(S2, S4)); |
| |
| Set<FilteredConnectPoint> ingressPoints = linkIntent.filteredIngressPoints(); |
| assertThat("Link collection ingress points do not match base intent", |
| ingressPoints.size() == 1 && ingressPoints.contains(intent.filteredIngressPoint())); |
| |
| assertThat("Link collection egress points do not match base intent", |
| linkIntent.filteredEgressPoints().equals(intent.filteredEgressPoints())); |
| assertThat(linkIntent.selector(), is(ipPrefixSelector)); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| } |
| |
| /** |
| * Tests if bandwidth resources get allocated correctly. |
| */ |
| @Test |
| public void testBandwidthConstrainedIntentAllocation() { |
| final double bpsTotal = 1000.0; |
| final double bpsToReserve = 100.0; |
| |
| ContinuousResource resourceSw1P1 = |
| Resources.continuous(DID_1, PORT_1, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw1P2 = |
| Resources.continuous(DID_1, PORT_2, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw2P1 = |
| Resources.continuous(DID_2, PORT_1, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw2P2 = |
| Resources.continuous(DID_2, PORT_2, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw3P1 = |
| Resources.continuous(DID_3, PORT_1, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw3P2 = |
| Resources.continuous(DID_3, PORT_2, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw3P3 = |
| Resources.continuous(DID_3, PORT_3, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw4P1 = |
| Resources.continuous(DID_4, PORT_1, Bandwidth.class) |
| .resource(bpsToReserve); |
| ContinuousResource resourceSw4P2 = |
| Resources.continuous(DID_4, PORT_2, Bandwidth.class) |
| .resource(bpsToReserve); |
| |
| String[] hops = {DID_3.toString()}; |
| |
| final ResourceService resourceService = |
| MockResourceService.makeCustomBandwidthResourceService(bpsTotal); |
| final List<Constraint> constraints = |
| Collections.singletonList(new BandwidthConstraint(Bandwidth.bps(bpsToReserve))); |
| |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_1)); |
| |
| Set<FilteredConnectPoint> egress = ImmutableSet.of( |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_2)), |
| new FilteredConnectPoint(new ConnectPoint(DID_2, PORT_2))); |
| |
| TrafficSelector ipPrefixSelector = DefaultTrafficSelector.builder() |
| .matchIPDst(IpPrefix.valueOf("192.168.100.0/24")) |
| .build(); |
| |
| SinglePointToMultiPointIntent intent = |
| makeIntent(ingress, egress, ipPrefixSelector, constraints); |
| |
| SinglePointToMultiPointIntentCompiler compiler = |
| makeCompiler(null, |
| new IntentTestsMocks.FixedMP2MPMockPathService(hops), |
| resourceService); |
| |
| compiler.compile(intent, null); |
| |
| Key intentKey = intent.key(); |
| |
| ResourceAllocation rA1 = new ResourceAllocation(resourceSw1P1, intentKey); |
| ResourceAllocation rA2 = new ResourceAllocation(resourceSw1P2, intentKey); |
| ResourceAllocation rA3 = new ResourceAllocation(resourceSw2P1, intentKey); |
| ResourceAllocation rA4 = new ResourceAllocation(resourceSw2P2, intentKey); |
| ResourceAllocation rA5 = new ResourceAllocation(resourceSw3P1, intentKey); |
| ResourceAllocation rA6 = new ResourceAllocation(resourceSw3P2, intentKey); |
| ResourceAllocation rA7 = new ResourceAllocation(resourceSw3P3, intentKey); |
| ResourceAllocation rA8 = new ResourceAllocation(resourceSw4P1, intentKey); |
| ResourceAllocation rA9 = new ResourceAllocation(resourceSw4P2, intentKey); |
| |
| Set<ResourceAllocation> expectedResourceAllocations = |
| ImmutableSet.of(rA1, rA2, rA3, rA4, rA5, rA6, rA7, rA8, rA9); |
| |
| Set<ResourceAllocation> resourceAllocations = |
| ImmutableSet.copyOf(resourceService.getResourceAllocations(intentKey)); |
| |
| assertThat(resourceAllocations, hasSize(9)); |
| assertEquals(expectedResourceAllocations, resourceAllocations); |
| } |
| |
| /** |
| * Tests if all expected links are present when a partial failure |
| * constraint is used and one ingress is not present. |
| */ |
| @Test |
| public void testPartialFailureConstraintSuccess() { |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| Set<FilteredConnectPoint> egress = ImmutableSet.of( |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_2)), |
| new FilteredConnectPoint(new ConnectPoint(DID_5, PORT_2))); |
| |
| final List<Constraint> constraints = |
| Collections.singletonList(new PartialFailureConstraint()); |
| |
| SinglePointToMultiPointIntent intent = |
| makeIntent(ingress, egress, constraints); |
| |
| String[] hops = {S3}; |
| |
| SinglePointToMultiPointIntentCompiler compiler = |
| makeCompiler(null, |
| new IntentTestsMocks.FixedMP2MPMockPathService(hops), |
| null); |
| assertThat(compiler, is(notNullValue())); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, is(notNullValue())); |
| assertThat(result, hasSize(1)); |
| |
| Intent resultIntent = result.get(0); |
| assertThat(resultIntent, instanceOf(LinkCollectionIntent.class)); |
| |
| if (resultIntent instanceof LinkCollectionIntent) { |
| LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent; |
| assertThat(linkIntent.links(), hasSize(2)); |
| assertThat(linkIntent.links(), linksHasPath(S1, S3)); |
| assertThat(linkIntent.links(), linksHasPath(S3, S4)); |
| } |
| assertThat("key is inherited", resultIntent.key(), is(intent.key())); |
| } |
| |
| /** |
| * Exception expected to be raised when an intent does not find all paths |
| * and a partiale failure constraint is not specified. |
| */ |
| @Rule |
| public ExpectedException intentException = ExpectedException.none(); |
| |
| /** |
| * Tests if compiling an intent without partial failure constraints set and |
| * with a missing egress connect point generates an exception and no other |
| * results. |
| */ |
| @Test |
| public void testPartialFailureConstraintFailure() { |
| FilteredConnectPoint ingress = |
| new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)); |
| |
| Set<FilteredConnectPoint> egress = ImmutableSet.of( |
| new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_2)), |
| new FilteredConnectPoint(new ConnectPoint(DID_5, PORT_2))); |
| |
| SinglePointToMultiPointIntent intent = |
| makeIntent(ingress, egress); |
| |
| String[] hops = {S3}; |
| |
| SinglePointToMultiPointIntentCompiler compiler = |
| makeCompiler(null, |
| new IntentTestsMocks.FixedMP2MPMockPathService(hops), |
| null); |
| assertThat(compiler, is(notNullValue())); |
| |
| intentException.expect(IntentException.class); |
| |
| List<Intent> result = compiler.compile(intent, null); |
| assertThat(result, null); |
| } |
| } |