David Glantz | 05c6f43 | 2020-03-19 14:56:12 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.net.intent.constraint; |
| 17 | |
| 18 | import com.google.common.testing.EqualsTester; |
| 19 | import org.junit.Before; |
| 20 | import org.junit.Test; |
| 21 | import org.onlab.graph.ScalarWeight; |
| 22 | import org.onosproject.net.Annotations; |
| 23 | import org.onosproject.net.DefaultAnnotations; |
| 24 | import org.onosproject.net.DefaultLink; |
| 25 | import org.onosproject.net.DefaultPath; |
| 26 | import org.onosproject.net.DeviceId; |
| 27 | import org.onosproject.net.Path; |
| 28 | import org.onosproject.net.PortNumber; |
| 29 | import org.onosproject.net.intent.Constraint; |
| 30 | import org.onosproject.net.intent.ResourceContext; |
| 31 | import org.onosproject.net.provider.ProviderId; |
| 32 | |
| 33 | import java.util.Arrays; |
| 34 | |
| 35 | import static org.easymock.EasyMock.createMock; |
| 36 | import static org.hamcrest.Matchers.is; |
| 37 | import static org.junit.Assert.assertThat; |
| 38 | import static org.onosproject.net.AnnotationKeys.TIER; |
| 39 | import static org.onosproject.net.DefaultLinkTest.cp; |
| 40 | import static org.onosproject.net.DeviceId.deviceId; |
| 41 | import static org.onosproject.net.Link.Type.DIRECT; |
| 42 | |
| 43 | /** |
| 44 | * Test for constraint of intermediate elements. |
| 45 | */ |
| 46 | public class TierConstraintTest { |
| 47 | |
| 48 | private static final DeviceId DID1 = deviceId("of:1"); |
| 49 | private static final DeviceId DID2 = deviceId("of:2"); |
| 50 | private static final DeviceId DID3 = deviceId("of:3"); |
| 51 | private static final DeviceId DID4 = deviceId("of:4"); |
| 52 | private static final PortNumber PN1 = PortNumber.portNumber(1); |
| 53 | private static final PortNumber PN2 = PortNumber.portNumber(2); |
| 54 | private static final PortNumber PN3 = PortNumber.portNumber(3); |
| 55 | private static final PortNumber PN4 = PortNumber.portNumber(4); |
| 56 | private static final PortNumber PN5 = PortNumber.portNumber(5); |
| 57 | private static final PortNumber PN6 = PortNumber.portNumber(6); |
| 58 | private static final ProviderId PROVIDER_ID = new ProviderId("of", "foo"); |
| 59 | private static final String TIER1 = "1"; |
| 60 | private static final String TIER2 = "2"; |
| 61 | private static final String TIER3 = "3"; |
| 62 | |
| 63 | private ResourceContext resourceContext; |
| 64 | |
| 65 | private Path path12; |
| 66 | private Path path13; |
| 67 | private Path path23; |
| 68 | private DefaultLink link1; |
| 69 | private DefaultLink link2; |
| 70 | private DefaultLink link3; |
| 71 | |
| 72 | @Before |
| 73 | public void setUp() { |
| 74 | resourceContext = createMock(ResourceContext.class); |
| 75 | |
| 76 | Annotations annotations1 = DefaultAnnotations.builder().set(TIER, TIER1).build(); |
| 77 | Annotations annotations2 = DefaultAnnotations.builder().set(TIER, TIER2).build(); |
| 78 | Annotations annotations3 = DefaultAnnotations.builder().set(TIER, TIER3).build(); |
| 79 | |
| 80 | link1 = DefaultLink.builder() |
| 81 | .providerId(PROVIDER_ID) |
| 82 | .src(cp(DID1, PN1)) |
| 83 | .dst(cp(DID2, PN2)) |
| 84 | .type(DIRECT) |
| 85 | .annotations(annotations1) |
| 86 | .build(); |
| 87 | link2 = DefaultLink.builder() |
| 88 | .providerId(PROVIDER_ID) |
| 89 | .src(cp(DID2, PN3)) |
| 90 | .dst(cp(DID3, PN4)) |
| 91 | .type(DIRECT) |
| 92 | .annotations(annotations2) |
| 93 | .build(); |
| 94 | link3 = DefaultLink.builder() |
| 95 | .providerId(PROVIDER_ID) |
| 96 | .src(cp(DID2, PN5)) |
| 97 | .dst(cp(DID4, PN6)) |
| 98 | .type(DIRECT) |
| 99 | .annotations(annotations3) |
| 100 | .build(); |
| 101 | |
| 102 | path12 = new DefaultPath(PROVIDER_ID, Arrays.asList(link1, link2), ScalarWeight.toWeight(10)); |
| 103 | path13 = new DefaultPath(PROVIDER_ID, Arrays.asList(link1, link3), ScalarWeight.toWeight(10)); |
| 104 | path23 = new DefaultPath(PROVIDER_ID, Arrays.asList(link2, link3), ScalarWeight.toWeight(10)); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Tests that all of the links in the specified path have a tier included in the specified included tiers. |
| 109 | */ |
| 110 | @Test |
| 111 | public void testSatisfyIncludedTiers() { |
| 112 | TierConstraint constraint12 = new TierConstraint(true, 1, 2); |
| 113 | assertThat(constraint12.validate(path12, resourceContext), is(true)); |
| 114 | |
| 115 | TierConstraint constraint13 = new TierConstraint(true, 1, 3); |
| 116 | assertThat(constraint13.validate(path13, resourceContext), is(true)); |
| 117 | |
| 118 | TierConstraint constraint23 = new TierConstraint(true, 2, 3); |
| 119 | assertThat(constraint23.validate(path23, resourceContext), is(true)); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Tests that at least one link in the specified path has a tier not included the specified included tiers. |
| 124 | */ |
| 125 | @Test |
| 126 | public void testNotSatisfyIncludedTiers() { |
| 127 | TierConstraint constraint12 = new TierConstraint(true, 1, 2); |
| 128 | assertThat(constraint12.validate(path13, resourceContext), is(false)); |
| 129 | assertThat(constraint12.validate(path23, resourceContext), is(false)); |
| 130 | |
| 131 | TierConstraint constraint13 = new TierConstraint(true, 1, 3); |
| 132 | assertThat(constraint13.validate(path12, resourceContext), is(false)); |
| 133 | assertThat(constraint13.validate(path23, resourceContext), is(false)); |
| 134 | |
| 135 | TierConstraint constraint23 = new TierConstraint(true, 2, 3); |
| 136 | assertThat(constraint23.validate(path12, resourceContext), is(false)); |
| 137 | assertThat(constraint23.validate(path13, resourceContext), is(false)); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Tests that all of the links in the specified path do not have a tier in the specified excluded tiers. |
| 142 | */ |
| 143 | @Test |
| 144 | public void testSatisfyExcludedTiers() { |
| 145 | TierConstraint constraint12 = new TierConstraint(false, 1); |
| 146 | assertThat(constraint12.validate(path23, resourceContext), is(true)); |
| 147 | |
| 148 | TierConstraint constraint13 = new TierConstraint(false, 2); |
| 149 | assertThat(constraint13.validate(path13, resourceContext), is(true)); |
| 150 | |
| 151 | TierConstraint constraint23 = new TierConstraint(false, 3); |
| 152 | assertThat(constraint23.validate(path12, resourceContext), is(true)); |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Tests that at least one link in the specified path has a tier in the specified excluded tiers. |
| 157 | */ |
| 158 | @Test |
| 159 | public void testNotSatisfyExcludedTiers() { |
| 160 | TierConstraint constraint12 = new TierConstraint(false, 1); |
| 161 | assertThat(constraint12.validate(path12, resourceContext), is(false)); |
| 162 | assertThat(constraint12.validate(path13, resourceContext), is(false)); |
| 163 | |
| 164 | TierConstraint constraint13 = new TierConstraint(false, 2); |
| 165 | assertThat(constraint13.validate(path12, resourceContext), is(false)); |
| 166 | assertThat(constraint13.validate(path23, resourceContext), is(false)); |
| 167 | |
| 168 | TierConstraint constraint23 = new TierConstraint(false, 3); |
| 169 | assertThat(constraint23.validate(path13, resourceContext), is(false)); |
| 170 | assertThat(constraint23.validate(path23, resourceContext), is(false)); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Tests the link cost is equal to order in which a tier was added to the constraint. |
| 175 | */ |
| 176 | @Test |
| 177 | public void testOrderCost() { |
| 178 | TierConstraint constraint32 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2); |
| 179 | |
| 180 | assertThat(constraint32.cost(link1, resourceContext), is(-1.0)); |
| 181 | assertThat(constraint32.cost(link2, resourceContext), is(2.0)); |
| 182 | assertThat(constraint32.cost(link3, resourceContext), is(1.0)); |
| 183 | |
| 184 | TierConstraint constraint123 = new TierConstraint(true, TierConstraint.CostType.ORDER, 1, 2, 3); |
| 185 | |
| 186 | assertThat(constraint123.cost(link1, resourceContext), is(1.0)); |
| 187 | assertThat(constraint123.cost(link2, resourceContext), is(2.0)); |
| 188 | assertThat(constraint123.cost(link3, resourceContext), is(3.0)); |
| 189 | |
| 190 | TierConstraint constraint231 = new TierConstraint(true, TierConstraint.CostType.ORDER, 2, 3, 1); |
| 191 | |
| 192 | assertThat(constraint231.cost(link1, resourceContext), is(3.0)); |
| 193 | assertThat(constraint231.cost(link2, resourceContext), is(1.0)); |
| 194 | assertThat(constraint231.cost(link3, resourceContext), is(2.0)); |
| 195 | |
| 196 | TierConstraint constraint312 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 1, 2); |
| 197 | |
| 198 | assertThat(constraint312.cost(link1, resourceContext), is(2.0)); |
| 199 | assertThat(constraint312.cost(link2, resourceContext), is(3.0)); |
| 200 | assertThat(constraint312.cost(link3, resourceContext), is(1.0)); |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Tests the link cost is equal to order in which a tier was added to the constraint. |
| 205 | */ |
| 206 | @Test |
| 207 | public void testOrderCostWithDuplicates() { |
| 208 | TierConstraint constraint32 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2, 1, 1, 2, 3); |
| 209 | |
| 210 | assertThat(constraint32.cost(link1, resourceContext), is(3.0)); |
| 211 | assertThat(constraint32.cost(link2, resourceContext), is(2.0)); |
| 212 | assertThat(constraint32.cost(link3, resourceContext), is(1.0)); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Tests the link cost is equal to tier value. |
| 217 | */ |
| 218 | @Test |
| 219 | public void testTierCost() { |
| 220 | TierConstraint constraint123 = new TierConstraint(true, TierConstraint.CostType.TIER, 3, 1); |
| 221 | |
| 222 | assertThat(constraint123.cost(link1, resourceContext), is(1.0)); |
| 223 | assertThat(constraint123.cost(link2, resourceContext), is(-1.0)); |
| 224 | assertThat(constraint123.cost(link3, resourceContext), is(3.0)); |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Tests the link cost is 1 if valid and -1 if invalid. |
| 229 | */ |
| 230 | @Test |
| 231 | public void testValidCost() { |
| 232 | TierConstraint constraint = new TierConstraint(true, TierConstraint.CostType.VALID, 2, 1); |
| 233 | |
| 234 | assertThat(constraint.cost(link1, resourceContext), is(1.0)); |
| 235 | assertThat(constraint.cost(link2, resourceContext), is(1.0)); |
| 236 | assertThat(constraint.cost(link3, resourceContext), is(-1.0)); |
| 237 | } |
| 238 | |
| 239 | @Test |
| 240 | public void testEquality() { |
| 241 | Constraint c1 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2, 1); |
| 242 | Constraint c2 = new TierConstraint(true, TierConstraint.CostType.ORDER, 3, 2, 1); |
| 243 | |
| 244 | Constraint c3 = new TierConstraint(false, TierConstraint.CostType.TIER, 1); |
| 245 | Constraint c4 = new TierConstraint(false, TierConstraint.CostType.TIER, 1); |
| 246 | |
| 247 | new EqualsTester() |
| 248 | .addEqualityGroup(c1, c2) |
| 249 | .addEqualityGroup(c3, c4) |
| 250 | .testEquals(); |
| 251 | } |
| 252 | } |