| /* |
| * 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 java.util.Collection; |
| import java.util.HashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.junit.TestUtils; |
| import org.onlab.junit.TestUtils.TestUtilsException; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.event.Event; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.NetworkResource; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.Key; |
| import org.onosproject.net.intent.MockIdGenerator; |
| import org.onosproject.net.link.LinkEvent; |
| import org.onosproject.net.resource.LinkResourceEvent; |
| import org.onosproject.net.resource.LinkResourceListener; |
| import org.onosproject.net.topology.Topology; |
| import org.onosproject.net.topology.TopologyEvent; |
| import org.onosproject.net.topology.TopologyListener; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Lists; |
| |
| import static org.easymock.EasyMock.createMock; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.hamcrest.Matchers.is; |
| import static org.onosproject.net.NetTestTools.APP_ID; |
| import static org.onosproject.net.NetTestTools.link; |
| |
| /** |
| * Tests for the objective tracker. |
| */ |
| public class ObjectiveTrackerTest { |
| private static final int WAIT_TIMEOUT_SECONDS = 2; |
| private Topology topology; |
| private ObjectiveTracker tracker; |
| private TestTopologyChangeDelegate delegate; |
| private List<Event> reasons; |
| private TopologyListener listener; |
| private LinkResourceListener linkResourceListener; |
| private IdGenerator mockGenerator; |
| |
| /** |
| * Initialization shared by all test cases. |
| * |
| * @throws TestUtilsException if any filed look ups fail |
| */ |
| @Before |
| public void setUp() throws TestUtilsException { |
| topology = createMock(Topology.class); |
| tracker = new ObjectiveTracker(); |
| delegate = new TestTopologyChangeDelegate(); |
| tracker.setDelegate(delegate); |
| reasons = new LinkedList<>(); |
| listener = TestUtils.getField(tracker, "listener"); |
| linkResourceListener = TestUtils.getField(tracker, "linkResourceListener"); |
| mockGenerator = new MockIdGenerator(); |
| Intent.bindIdGenerator(mockGenerator); |
| } |
| |
| /** |
| * Code to clean up shared by all test case. |
| */ |
| @After |
| public void tearDown() { |
| tracker.unsetDelegate(delegate); |
| Intent.unbindIdGenerator(mockGenerator); |
| } |
| |
| /** |
| * Topology change delegate mock that tracks the events coming into it |
| * and saves them. It provides a latch so that tests can wait for events |
| * to be generated. |
| */ |
| static class TestTopologyChangeDelegate implements TopologyChangeDelegate { |
| |
| CountDownLatch latch = new CountDownLatch(1); |
| List<Key> intentIdsFromEvent; |
| boolean compileAllFailedFromEvent; |
| |
| @Override |
| public void triggerCompile(Iterable<Key> intentKeys, |
| boolean compileAllFailed) { |
| intentIdsFromEvent = Lists.newArrayList(intentKeys); |
| compileAllFailedFromEvent = compileAllFailed; |
| latch.countDown(); |
| } |
| } |
| |
| /** |
| * Tests an event with no associated reasons. |
| * |
| * @throws InterruptedException if the latch wait fails. |
| */ |
| @Test |
| public void testEventNoReasons() throws InterruptedException { |
| final TopologyEvent event = new TopologyEvent( |
| TopologyEvent.Type.TOPOLOGY_CHANGED, |
| topology, |
| null); |
| |
| listener.event(event); |
| assertThat( |
| delegate.latch.await(WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS), |
| is(true)); |
| |
| assertThat(delegate.intentIdsFromEvent, hasSize(0)); |
| assertThat(delegate.compileAllFailedFromEvent, is(true)); |
| } |
| |
| /** |
| * Tests an event for a link down where none of the reasons match |
| * currently installed intents. |
| * |
| * @throws InterruptedException if the latch wait fails. |
| */ |
| @Test |
| public void testEventLinkDownNoMatches() throws InterruptedException { |
| final Link link = link("src", 1, "dst", 2); |
| final LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link); |
| reasons.add(linkEvent); |
| |
| final TopologyEvent event = new TopologyEvent( |
| TopologyEvent.Type.TOPOLOGY_CHANGED, |
| topology, |
| reasons); |
| |
| listener.event(event); |
| assertThat( |
| delegate.latch.await(WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS), |
| is(true)); |
| |
| assertThat(delegate.intentIdsFromEvent, hasSize(0)); |
| assertThat(delegate.compileAllFailedFromEvent, is(false)); |
| } |
| |
| /** |
| * Tests an event for a link being added. |
| * |
| * @throws InterruptedException if the latch wait fails. |
| */ |
| @Test |
| public void testEventLinkAdded() throws InterruptedException { |
| final Link link = link("src", 1, "dst", 2); |
| final LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_ADDED, link); |
| reasons.add(linkEvent); |
| |
| final TopologyEvent event = new TopologyEvent( |
| TopologyEvent.Type.TOPOLOGY_CHANGED, |
| topology, |
| reasons); |
| |
| listener.event(event); |
| assertThat( |
| delegate.latch.await(WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS), |
| is(true)); |
| |
| assertThat(delegate.intentIdsFromEvent, hasSize(0)); |
| assertThat(delegate.compileAllFailedFromEvent, is(true)); |
| } |
| |
| /** |
| * Tests an event for a link down where the link matches existing intents. |
| * |
| * @throws InterruptedException if the latch wait fails. |
| */ |
| @Test |
| public void testEventLinkDownMatch() throws Exception { |
| final Link link = link("src", 1, "dst", 2); |
| final LinkEvent linkEvent = new LinkEvent(LinkEvent.Type.LINK_REMOVED, link); |
| reasons.add(linkEvent); |
| |
| final TopologyEvent event = new TopologyEvent( |
| TopologyEvent.Type.TOPOLOGY_CHANGED, |
| topology, |
| reasons); |
| |
| final Key key = Key.of(0x333L, APP_ID); |
| Collection<NetworkResource> resources = ImmutableSet.of(link); |
| tracker.addTrackedResources(key, resources); |
| |
| listener.event(event); |
| assertThat( |
| delegate.latch.await(WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS), |
| is(true)); |
| |
| assertThat(delegate.intentIdsFromEvent, hasSize(1)); |
| assertThat(delegate.compileAllFailedFromEvent, is(false)); |
| assertThat(delegate.intentIdsFromEvent.get(0).toString(), |
| equalTo("0x333")); |
| } |
| |
| /** |
| * Tests a resource available event. |
| * |
| * @throws InterruptedException if the latch wait fails. |
| */ |
| @Test |
| public void testResourceEvent() throws Exception { |
| LinkResourceEvent event = new LinkResourceEvent( |
| LinkResourceEvent.Type.ADDITIONAL_RESOURCES_AVAILABLE, |
| new HashSet<>()); |
| linkResourceListener.event(event); |
| |
| assertThat( |
| delegate.latch.await(WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS), |
| is(true)); |
| |
| assertThat(delegate.intentIdsFromEvent, hasSize(0)); |
| assertThat(delegate.compileAllFailedFromEvent, is(true)); |
| } |
| |
| } |