| /* |
| * 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.intent.impl; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultLink; |
| import org.onosproject.net.DefaultPath; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.flow.FlowRuleOperation; |
| import org.onosproject.net.intent.AbstractIntentTest; |
| import org.onosproject.net.intent.Constraint; |
| import org.onosproject.net.intent.IntentTestsMocks; |
| import org.onosproject.net.intent.PathIntent; |
| import org.onosproject.net.intent.constraint.BandwidthConstraint; |
| import org.onosproject.net.intent.constraint.LambdaConstraint; |
| import org.onosproject.net.resource.Bandwidth; |
| import org.onosproject.net.resource.Lambda; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.hamcrest.Matchers.instanceOf; |
| import static org.hamcrest.Matchers.notNullValue; |
| import static org.junit.Assert.fail; |
| import static org.onosproject.net.DefaultEdgeLink.createEdgeLink; |
| import static org.onosproject.net.Link.Type.DIRECT; |
| import static org.onosproject.net.NetTestTools.APP_ID; |
| import static org.onosproject.net.NetTestTools.PID; |
| import static org.onosproject.net.NetTestTools.connectPoint; |
| import static org.onosproject.net.intent.IntentTestsMocks.MockResourceService.makeBandwidthResourceService; |
| import static org.onosproject.net.intent.IntentTestsMocks.MockResourceService.makeLambdaResourceService; |
| |
| /** |
| * Unit tests for calculating paths for intents with constraints. |
| */ |
| |
| public class PathConstraintCalculationTest extends AbstractIntentTest { |
| |
| private final IntentTestsMocks.MockSelector selector = new IntentTestsMocks.MockSelector(); |
| private final IntentTestsMocks.MockTreatment treatment = new IntentTestsMocks.MockTreatment(); |
| private final ConnectPoint d1p1 = connectPoint("s1", 0); |
| private final ConnectPoint d2p0 = connectPoint("s2", 0); |
| private final ConnectPoint d2p1 = connectPoint("s2", 1); |
| private final ConnectPoint d3p1 = connectPoint("s3", 1); |
| private final ConnectPoint d3p0 = connectPoint("s3", 10); |
| private final ConnectPoint d1p0 = connectPoint("s1", 10); |
| |
| private PathIntentInstaller sut; |
| |
| @Before |
| public void setUpIntentInstaller() { |
| sut = new PathIntentInstaller(); |
| sut.appId = APP_ID; |
| } |
| |
| private PathIntent createPathIntent(List<Link> links, List<Constraint> constratins) { |
| int hops = links.size() - 1; |
| return new PathIntent(APP_ID, selector, treatment, new DefaultPath(PID, links, hops), constratins); |
| } |
| |
| /** |
| * Tests that installation of bandwidth constrained path intents are |
| * successful. |
| */ |
| @Test |
| public void testInstallBandwidthConstrainedIntentSuccess() { |
| |
| final Constraint constraint = new BandwidthConstraint(Bandwidth.bps(100.0)); |
| |
| List<Link> links = Arrays.asList( |
| createEdgeLink(d1p0, true), |
| new DefaultLink(PID, d1p1, d2p0, DIRECT), |
| new DefaultLink(PID, d2p1, d3p1, DIRECT), |
| createEdgeLink(d3p0, false) |
| ); |
| PathIntent installable = createPathIntent(links, Arrays.asList(constraint)); |
| |
| sut.resourceService = makeBandwidthResourceService(1000.0); |
| |
| final List<Collection<FlowRuleOperation>> flowOperations = sut.install(installable); |
| |
| assertThat(flowOperations, notNullValue()); |
| assertThat(flowOperations, hasSize(1)); |
| } |
| |
| /** |
| * Tests that installation of bandwidth constrained path intents fail |
| * if there are no available resources. |
| */ |
| @Test |
| public void testInstallBandwidthConstrainedIntentFailure() { |
| |
| final Constraint constraint = new BandwidthConstraint(Bandwidth.bps(100.0)); |
| |
| List<Link> links = Arrays.asList( |
| createEdgeLink(d1p0, true), |
| new DefaultLink(PID, d1p1, d2p0, DIRECT), |
| new DefaultLink(PID, d2p1, d3p1, DIRECT), |
| createEdgeLink(d3p0, false) |
| ); |
| PathIntent installable = createPathIntent(links, Arrays.asList(constraint)); |
| |
| // Make it look like the available bandwidth was consumed |
| final IntentTestsMocks.MockResourceService resourceService = makeBandwidthResourceService(1000.0); |
| resourceService.setAvailableBandwidth(1.0); |
| sut.resourceService = resourceService; |
| |
| try { |
| sut.install(installable); |
| fail("Bandwidth request with no available bandwidth did not fail."); |
| } catch (IntentTestsMocks.MockedAllocationFailure failure) { |
| assertThat(failure, |
| instanceOf(IntentTestsMocks.MockedAllocationFailure.class)); |
| } |
| } |
| |
| /** |
| * Tests that installation of lambda constrained path intents are |
| * successful. |
| */ |
| @Test |
| public void testInstallLambdaConstrainedIntentSuccess() { |
| |
| final Constraint constraint = new LambdaConstraint(Lambda.valueOf(1)); |
| |
| List<Link> links = Arrays.asList( |
| createEdgeLink(d1p0, true), |
| new DefaultLink(PID, d1p1, d2p0, DIRECT), |
| new DefaultLink(PID, d2p1, d3p1, DIRECT), |
| createEdgeLink(d3p0, false) |
| ); |
| PathIntent installable = createPathIntent(links, Arrays.asList(constraint)); |
| |
| sut.resourceService = makeLambdaResourceService(1); |
| |
| final List<Collection<FlowRuleOperation>> flowOperations = sut.install(installable); |
| |
| assertThat(flowOperations, notNullValue()); |
| assertThat(flowOperations, hasSize(1)); |
| } |
| |
| /** |
| * Tests that installation of lambda constrained path intents fail |
| * if there are no available resources. |
| */ |
| @Test |
| public void testInstallLambdaConstrainedIntentFailure() { |
| |
| final Constraint constraint = new LambdaConstraint(Lambda.valueOf(1)); |
| |
| List<Link> links = Arrays.asList( |
| createEdgeLink(d1p0, true), |
| new DefaultLink(PID, d1p1, d2p0, DIRECT), |
| new DefaultLink(PID, d2p1, d3p1, DIRECT), |
| createEdgeLink(d3p0, false) |
| ); |
| PathIntent installable = createPathIntent(links, Arrays.asList(constraint)); |
| |
| // Make it look like the available lambda was consumed |
| final IntentTestsMocks.MockResourceService resourceService = makeLambdaResourceService(1); |
| resourceService.setAvailableLambda(0); |
| sut.resourceService = resourceService; |
| |
| try { |
| sut.install(installable); |
| fail("Lambda request with no available lambda did not fail."); |
| } catch (IntentTestsMocks.MockedAllocationFailure failure) { |
| assertThat(failure, |
| instanceOf(IntentTestsMocks.MockedAllocationFailure.class)); |
| } |
| } |
| |
| } |