| /* |
| * Copyright 2014-present Open Networking Foundation |
| * |
| * 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.constraint; |
| |
| import com.google.common.testing.EqualsTester; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.graph.ScalarWeight; |
| import org.onosproject.net.Annotations; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.DefaultLink; |
| import org.onosproject.net.DefaultPath; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Path; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.intent.Constraint; |
| import org.onosproject.net.intent.ResourceContext; |
| import org.onosproject.net.provider.ProviderId; |
| |
| import java.util.Arrays; |
| |
| import static org.easymock.EasyMock.createMock; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertThat; |
| import static org.onosproject.net.AnnotationKeys.TIER; |
| import static org.onosproject.net.DefaultLinkTest.cp; |
| import static org.onosproject.net.DeviceId.deviceId; |
| import static org.onosproject.net.Link.Type.DIRECT; |
| |
| /** |
| * Test for constraint of intermediate elements. |
| */ |
| public class TierConstraintTest { |
| |
| private static final DeviceId DID1 = deviceId("of:1"); |
| private static final DeviceId DID2 = deviceId("of:2"); |
| private static final DeviceId DID3 = deviceId("of:3"); |
| private static final DeviceId DID4 = deviceId("of:4"); |
| private static final PortNumber PN1 = PortNumber.portNumber(1); |
| private static final PortNumber PN2 = PortNumber.portNumber(2); |
| private static final PortNumber PN3 = PortNumber.portNumber(3); |
| private static final PortNumber PN4 = PortNumber.portNumber(4); |
| private static final PortNumber PN5 = PortNumber.portNumber(5); |
| private static final PortNumber PN6 = PortNumber.portNumber(6); |
| private static final ProviderId PROVIDER_ID = new ProviderId("of", "foo"); |
| private static final String TIER1 = "1"; |
| private static final String TIER2 = "2"; |
| private static final String TIER3 = "3"; |
| |
| private ResourceContext resourceContext; |
| |
| private Path path12; |
| private Path path13; |
| private Path path23; |
| private DefaultLink link1; |
| private DefaultLink link2; |
| private DefaultLink link3; |
| |
| @Before |
| public void setUp() { |
| resourceContext = createMock(ResourceContext.class); |
| |
| Annotations annotations1 = DefaultAnnotations.builder().set(TIER, TIER1).build(); |
| Annotations annotations2 = DefaultAnnotations.builder().set(TIER, TIER2).build(); |
| Annotations annotations3 = DefaultAnnotations.builder().set(TIER, TIER3).build(); |
| |
| link1 = DefaultLink.builder() |
| .providerId(PROVIDER_ID) |
| .src(cp(DID1, PN1)) |
| .dst(cp(DID2, PN2)) |
| .type(DIRECT) |
| .annotations(annotations1) |
| .build(); |
| link2 = DefaultLink.builder() |
| .providerId(PROVIDER_ID) |
| .src(cp(DID2, PN3)) |
| .dst(cp(DID3, PN4)) |
| .type(DIRECT) |
| .annotations(annotations2) |
| .build(); |
| link3 = DefaultLink.builder() |
| .providerId(PROVIDER_ID) |
| .src(cp(DID2, PN5)) |
| .dst(cp(DID4, PN6)) |
| .type(DIRECT) |
| .annotations(annotations3) |
| .build(); |
| |
| path12 = new DefaultPath(PROVIDER_ID, Arrays.asList(link1, link2), ScalarWeight.toWeight(10)); |
| path13 = new DefaultPath(PROVIDER_ID, Arrays.asList(link1, link3), ScalarWeight.toWeight(10)); |
| path23 = new DefaultPath(PROVIDER_ID, Arrays.asList(link2, link3), ScalarWeight.toWeight(10)); |
| } |
| |
| /** |
| * Tests that all of the links in the specified path have a tier included in the specified included tiers. |
| */ |
| @Test |
| public void testSatisfyIncludedTiers() { |
| TierConstraint constraint12 = new TierConstraint(true, 1, 2); |
| assertThat(constraint12.validate(path12, resourceContext), is(true)); |
| |
| TierConstraint constraint13 = new TierConstraint(true, 1, 3); |
| assertThat(constraint13.validate(path13, resourceContext), is(true)); |
| |
| TierConstraint constraint23 = new TierConstraint(true, 2, 3); |
| assertThat(constraint23.validate(path23, resourceContext), is(true)); |
| } |
| |
| /** |
| * Tests that at least one link in the specified path has a tier not included the specified included tiers. |
| */ |
| @Test |
| public void testNotSatisfyIncludedTiers() { |
| TierConstraint constraint12 = new TierConstraint(true, 1, 2); |
| assertThat(constraint12.validate(path13, resourceContext), is(false)); |
| assertThat(constraint12.validate(path23, resourceContext), is(false)); |
| |
| TierConstraint constraint13 = new TierConstraint(true, 1, 3); |
| assertThat(constraint13.validate(path12, resourceContext), is(false)); |
| assertThat(constraint13.validate(path23, resourceContext), is(false)); |
| |
| TierConstraint constraint23 = new TierConstraint(true, 2, 3); |
| assertThat(constraint23.validate(path12, resourceContext), is(false)); |
| assertThat(constraint23.validate(path13, resourceContext), is(false)); |
| } |
| |
| /** |
| * Tests that all of the links in the specified path do not have a tier in the specified excluded tiers. |
| */ |
| @Test |
| public void testSatisfyExcludedTiers() { |
| TierConstraint constraint12 = new TierConstraint(false, 1); |
| assertThat(constraint12.validate(path23, resourceContext), is(true)); |
| |
| TierConstraint constraint13 = new TierConstraint(false, 2); |
| assertThat(constraint13.validate(path13, resourceContext), is(true)); |
| |
| TierConstraint constraint23 = new TierConstraint(false, 3); |
| assertThat(constraint23.validate(path12, resourceContext), is(true)); |
| } |
| |
| /** |
| * Tests that at least one link in the specified path has a tier in the specified excluded tiers. |
| */ |
| @Test |
| public void testNotSatisfyExcludedTiers() { |
| TierConstraint constraint12 = new TierConstraint(false, 1); |
| assertThat(constraint12.validate(path12, resourceContext), is(false)); |
| assertThat(constraint12.validate(path13, resourceContext), is(false)); |
| |
| TierConstraint constraint13 = new TierConstraint(false, 2); |
| assertThat(constraint13.validate(path12, resourceContext), is(false)); |
| assertThat(constraint13.validate(path23, resourceContext), is(false)); |
| |
| TierConstraint constraint23 = new TierConstraint(false, 3); |
| assertThat(constraint23.validate(path13, resourceContext), is(false)); |
| assertThat(constraint23.validate(path23, resourceContext), is(false)); |
| } |
| |
| /** |
| * Tests the link cost is equal to order in which a tier was added to the constraint. |
| */ |
| @Test |
| public void testOrderCost() { |
| TierConstraint constraint32 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2); |
| |
| assertThat(constraint32.cost(link1, resourceContext), is(-1.0)); |
| assertThat(constraint32.cost(link2, resourceContext), is(2.0)); |
| assertThat(constraint32.cost(link3, resourceContext), is(1.0)); |
| |
| TierConstraint constraint123 = new TierConstraint(true, TierConstraint.CostType.ORDER, 1, 2, 3); |
| |
| assertThat(constraint123.cost(link1, resourceContext), is(1.0)); |
| assertThat(constraint123.cost(link2, resourceContext), is(2.0)); |
| assertThat(constraint123.cost(link3, resourceContext), is(3.0)); |
| |
| TierConstraint constraint231 = new TierConstraint(true, TierConstraint.CostType.ORDER, 2, 3, 1); |
| |
| assertThat(constraint231.cost(link1, resourceContext), is(3.0)); |
| assertThat(constraint231.cost(link2, resourceContext), is(1.0)); |
| assertThat(constraint231.cost(link3, resourceContext), is(2.0)); |
| |
| TierConstraint constraint312 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 1, 2); |
| |
| assertThat(constraint312.cost(link1, resourceContext), is(2.0)); |
| assertThat(constraint312.cost(link2, resourceContext), is(3.0)); |
| assertThat(constraint312.cost(link3, resourceContext), is(1.0)); |
| } |
| |
| /** |
| * Tests the link cost is equal to order in which a tier was added to the constraint. |
| */ |
| @Test |
| public void testOrderCostWithDuplicates() { |
| TierConstraint constraint32 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2, 1, 1, 2, 3); |
| |
| assertThat(constraint32.cost(link1, resourceContext), is(3.0)); |
| assertThat(constraint32.cost(link2, resourceContext), is(2.0)); |
| assertThat(constraint32.cost(link3, resourceContext), is(1.0)); |
| } |
| |
| /** |
| * Tests the link cost is equal to tier value. |
| */ |
| @Test |
| public void testTierCost() { |
| TierConstraint constraint123 = new TierConstraint(true, TierConstraint.CostType.TIER, 3, 1); |
| |
| assertThat(constraint123.cost(link1, resourceContext), is(1.0)); |
| assertThat(constraint123.cost(link2, resourceContext), is(-1.0)); |
| assertThat(constraint123.cost(link3, resourceContext), is(3.0)); |
| } |
| |
| /** |
| * Tests the link cost is 1 if valid and -1 if invalid. |
| */ |
| @Test |
| public void testValidCost() { |
| TierConstraint constraint = new TierConstraint(true, TierConstraint.CostType.VALID, 2, 1); |
| |
| assertThat(constraint.cost(link1, resourceContext), is(1.0)); |
| assertThat(constraint.cost(link2, resourceContext), is(1.0)); |
| assertThat(constraint.cost(link3, resourceContext), is(-1.0)); |
| } |
| |
| @Test |
| public void testEquality() { |
| Constraint c1 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2, 1); |
| Constraint c2 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2, 1); |
| |
| Constraint c3 = new TierConstraint(false, TierConstraint.CostType.TIER, 1); |
| Constraint c4 = new TierConstraint(false, TierConstraint.CostType.TIER, 1); |
| |
| new EqualsTester() |
| .addEqualityGroup(c1, c2) |
| .addEqualityGroup(c3, c4) |
| .testEquals(); |
| } |
| } |