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Diffstat (limited to 'framework/src/onos/core/net/src/test/java/org/onosproject/net/intent/impl/compiler/MplsIntentCompilerTest.java')
| -rw-r--r-- | framework/src/onos/core/net/src/test/java/org/onosproject/net/intent/impl/compiler/MplsIntentCompilerTest.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/framework/src/onos/core/net/src/test/java/org/onosproject/net/intent/impl/compiler/MplsIntentCompilerTest.java b/framework/src/onos/core/net/src/test/java/org/onosproject/net/intent/impl/compiler/MplsIntentCompilerTest.java new file mode 100644 index 00000000..76b26f46 --- /dev/null +++ b/framework/src/onos/core/net/src/test/java/org/onosproject/net/intent/impl/compiler/MplsIntentCompilerTest.java @@ -0,0 +1,188 @@ +package org.onosproject.net.intent.impl.compiler; + +import java.util.List; +import java.util.Optional; + +import org.hamcrest.Matchers; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + + +import org.onlab.packet.MplsLabel; +import org.onosproject.TestApplicationId; +import org.onosproject.core.ApplicationId; +import org.onosproject.net.ConnectPoint; +import org.onosproject.net.Link; +import org.onosproject.net.Path; +import org.onosproject.net.flow.TrafficSelector; +import org.onosproject.net.flow.TrafficTreatment; +import org.onosproject.net.intent.AbstractIntentTest; +import org.onosproject.net.intent.Intent; +import org.onosproject.net.intent.IntentTestsMocks; +import org.onosproject.net.intent.MplsIntent; +import org.onosproject.net.intent.MplsPathIntent; + +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.onosproject.net.DefaultEdgeLink.createEdgeLink; +import static org.onosproject.net.DeviceId.deviceId; +import static org.onosproject.net.NetTestTools.APP_ID; +import static org.onosproject.net.NetTestTools.connectPoint; +import static org.onosproject.net.PortNumber.portNumber; +import static org.onosproject.net.intent.LinksHaveEntryWithSourceDestinationPairMatcher.linksHasPath; + +/** + * Unit tests for the HostToHost intent compiler. + */ +public class MplsIntentCompilerTest extends AbstractIntentTest { + + private static final ApplicationId APPID = new TestApplicationId("foo"); + + private TrafficSelector selector = new IntentTestsMocks.MockSelector(); + private TrafficTreatment treatment = new IntentTestsMocks.MockTreatment(); + + /** + * Creates a PointToPoint intent based on ingress and egress device Ids. + * + * @param ingressIdString string for id of ingress device + * @param egressIdString string for id of egress device + * @return PointToPointIntent for the two devices + */ + private MplsIntent makeIntent(String ingressIdString, Optional<MplsLabel> ingressLabel, + String egressIdString, Optional<MplsLabel> egressLabel) { + + return MplsIntent.builder() + .appId(APPID) + .selector(selector) + .treatment(treatment) + .ingressPoint(connectPoint(ingressIdString, 1)) + .ingressLabel(ingressLabel) + .egressPoint(connectPoint(egressIdString, 1)) + .egressLabel(egressLabel).build(); + } + /** + * Creates a compiler for HostToHost intents. + * + * @param hops string array describing the path hops to use when compiling + * @return HostToHost intent compiler + */ + private MplsIntentCompiler makeCompiler(String[] hops) { + MplsIntentCompiler compiler = + new MplsIntentCompiler(); + compiler.pathService = new IntentTestsMocks.MockPathService(hops); + return compiler; + } + + + /** + * Tests a pair of devices in an 8 hop path, forward direction. + */ + @Test + public void testForwardPathCompilation() { + Optional<MplsLabel> ingressLabel = Optional.of(MplsLabel.mplsLabel(10)); + Optional<MplsLabel> egressLabel = Optional.of(MplsLabel.mplsLabel(20)); + + MplsIntent intent = makeIntent("d1", ingressLabel, "d8", egressLabel); + assertThat(intent, is(notNullValue())); + + String[] hops = {"d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8"}; + MplsIntentCompiler compiler = makeCompiler(hops); + assertThat(compiler, is(notNullValue())); + + List<Intent> result = compiler.compile(intent, null, null); + assertThat(result, is(Matchers.notNullValue())); + assertThat(result, hasSize(1)); + Intent forwardResultIntent = result.get(0); + assertThat(forwardResultIntent instanceof MplsPathIntent, is(true)); + + // if statement suppresses static analysis warnings about unchecked cast + if (forwardResultIntent instanceof MplsPathIntent) { + MplsPathIntent forwardPathIntent = (MplsPathIntent) forwardResultIntent; + // 7 links for the hops, plus one default lnk on ingress and egress + assertThat(forwardPathIntent.path().links(), hasSize(hops.length + 1)); + assertThat(forwardPathIntent.path().links(), linksHasPath("d1", "d2")); + assertThat(forwardPathIntent.path().links(), linksHasPath("d2", "d3")); + assertThat(forwardPathIntent.path().links(), linksHasPath("d3", "d4")); + assertThat(forwardPathIntent.path().links(), linksHasPath("d4", "d5")); + assertThat(forwardPathIntent.path().links(), linksHasPath("d5", "d6")); + assertThat(forwardPathIntent.path().links(), linksHasPath("d6", "d7")); + assertThat(forwardPathIntent.path().links(), linksHasPath("d7", "d8")); + assertEquals(forwardPathIntent.egressLabel(), egressLabel); + assertEquals(forwardPathIntent.ingressLabel(), ingressLabel); + } + } + + /** + * Tests a pair of devices in an 8 hop path, forward direction. + */ + @Test + public void testReversePathCompilation() { + Optional<MplsLabel> ingressLabel = Optional.of(MplsLabel.mplsLabel(10)); + Optional<MplsLabel> egressLabel = Optional.of(MplsLabel.mplsLabel(20)); + + MplsIntent intent = makeIntent("d8", ingressLabel, "d1", egressLabel); + assertThat(intent, is(notNullValue())); + + String[] hops = {"d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8"}; + MplsIntentCompiler compiler = makeCompiler(hops); + assertThat(compiler, is(notNullValue())); + + List<Intent> result = compiler.compile(intent, null, null); + assertThat(result, is(Matchers.notNullValue())); + assertThat(result, hasSize(1)); + Intent reverseResultIntent = result.get(0); + assertThat(reverseResultIntent instanceof MplsPathIntent, is(true)); + + // if statement suppresses static analysis warnings about unchecked cast + if (reverseResultIntent instanceof MplsPathIntent) { + MplsPathIntent reversePathIntent = (MplsPathIntent) reverseResultIntent; + assertThat(reversePathIntent.path().links(), hasSize(hops.length + 1)); + assertThat(reversePathIntent.path().links(), linksHasPath("d2", "d1")); + assertThat(reversePathIntent.path().links(), linksHasPath("d3", "d2")); + assertThat(reversePathIntent.path().links(), linksHasPath("d4", "d3")); + assertThat(reversePathIntent.path().links(), linksHasPath("d5", "d4")); + assertThat(reversePathIntent.path().links(), linksHasPath("d6", "d5")); + assertThat(reversePathIntent.path().links(), linksHasPath("d7", "d6")); + assertThat(reversePathIntent.path().links(), linksHasPath("d8", "d7")); + assertEquals(reversePathIntent.egressLabel(), egressLabel); + assertEquals(reversePathIntent.ingressLabel(), ingressLabel); + } + } + + /** + * Tests compilation of the intent which designates two different ports on the same switch. + */ + @Test + public void testSameSwitchDifferentPortsIntentCompilation() { + ConnectPoint src = new ConnectPoint(deviceId("1"), portNumber(1)); + ConnectPoint dst = new ConnectPoint(deviceId("1"), portNumber(2)); + MplsIntent intent = MplsIntent.builder() + .appId(APP_ID) + .selector(selector) + .treatment(treatment) + .ingressPoint(src) + .ingressLabel(Optional.empty()) + .egressPoint(dst) + .egressLabel(Optional.empty()) + .build(); + + String[] hops = {"1"}; + MplsIntentCompiler sut = makeCompiler(hops); + + List<Intent> compiled = sut.compile(intent, null, null); + + assertThat(compiled, hasSize(1)); + assertThat(compiled.get(0), is(instanceOf(MplsPathIntent.class))); + Path path = ((MplsPathIntent) compiled.get(0)).path(); + + assertThat(path.links(), hasSize(2)); + Link firstLink = path.links().get(0); + assertThat(firstLink, is(createEdgeLink(src, true))); + Link secondLink = path.links().get(1); + assertThat(secondLink, is(createEdgeLink(dst, false))); + } +} |