| /* |
| * Copyright 2014-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.constraint; |
| |
| import com.google.common.testing.EqualsTester; |
| import org.junit.Before; |
| import org.junit.Test; |
| 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.Link; |
| import org.onosproject.net.Path; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.intent.ResourceContext; |
| import org.onosproject.net.provider.ProviderId; |
| |
| import java.time.Duration; |
| import java.time.temporal.ChronoUnit; |
| import java.util.Arrays; |
| |
| import static org.easymock.EasyMock.createMock; |
| import static org.hamcrest.Matchers.closeTo; |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertThat; |
| import static org.onosproject.net.AnnotationKeys.LATENCY; |
| import static org.onosproject.net.DefaultLinkTest.cp; |
| import static org.onosproject.net.DeviceId.deviceId; |
| import static org.onosproject.net.Link.Type.DIRECT; |
| |
| public class LatencyConstraintTest { |
| |
| 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 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 ProviderId PROVIDER_ID = new ProviderId("of", "foo"); |
| private static final String LATENCY1 = "3.0"; |
| private static final String LATENCY2 = "4.0"; |
| |
| private LatencyConstraint sut; |
| private ResourceContext resourceContext; |
| |
| private Path path; |
| private Link link1; |
| private Link link2; |
| |
| @Before |
| public void setUp() { |
| resourceContext = createMock(ResourceContext.class); |
| |
| Annotations annotations1 = DefaultAnnotations.builder().set(LATENCY, LATENCY1).build(); |
| Annotations annotations2 = DefaultAnnotations.builder().set(LATENCY, LATENCY2).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(); |
| path = new DefaultPath(PROVIDER_ID, Arrays.asList(link1, link2), 10); |
| } |
| |
| /** |
| * Tests the path latency is less than the supplied constraint. |
| */ |
| @Test |
| public void testLessThanLatency() { |
| sut = new LatencyConstraint(Duration.of(10, ChronoUnit.MICROS)); |
| |
| assertThat(sut.validate(path, resourceContext), is(true)); |
| } |
| |
| /** |
| * Tests the path latency is more than the supplied constraint. |
| */ |
| @Test |
| public void testMoreThanLatency() { |
| sut = new LatencyConstraint(Duration.of(3, ChronoUnit.MICROS)); |
| |
| assertThat(sut.validate(path, resourceContext), is(false)); |
| } |
| |
| /** |
| * Tests the link latency is equal to "latency" annotated value. |
| */ |
| @Test |
| public void testCost() { |
| sut = new LatencyConstraint(Duration.of(10, ChronoUnit.MICROS)); |
| |
| assertThat(sut.cost(link1, resourceContext), is(closeTo(Double.parseDouble(LATENCY1), 1.0e-6))); |
| assertThat(sut.cost(link2, resourceContext), is(closeTo(Double.parseDouble(LATENCY2), 1.0e-6))); |
| } |
| |
| /** |
| * Tests equality of the instances. |
| */ |
| @Test |
| public void testEquality() { |
| LatencyConstraint c1 = new LatencyConstraint(Duration.of(1, ChronoUnit.SECONDS)); |
| LatencyConstraint c2 = new LatencyConstraint(Duration.of(1000, ChronoUnit.MILLIS)); |
| |
| LatencyConstraint c3 = new LatencyConstraint(Duration.of(2, ChronoUnit.SECONDS)); |
| LatencyConstraint c4 = new LatencyConstraint(Duration.of(2000, ChronoUnit.MILLIS)); |
| |
| new EqualsTester() |
| .addEqualityGroup(c1, c2) |
| .addEqualityGroup(c3, c4) |
| .testEquals(); |
| } |
| } |