Unit test for path intent installer
Change-Id: I8683885329d88ed19933c20f4fb96f8a6ba2242d
diff --git a/core/net/src/test/java/org/onosproject/net/intent/impl/PathIntentInstallerTest.java b/core/net/src/test/java/org/onosproject/net/intent/impl/PathIntentInstallerTest.java
new file mode 100644
index 0000000..e80e65f
--- /dev/null
+++ b/core/net/src/test/java/org/onosproject/net/intent/impl/PathIntentInstallerTest.java
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2015 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.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.core.IdGenerator;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultLink;
+import org.onosproject.net.DefaultPath;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Link;
+import org.onosproject.net.flow.FlowRuleOperation;
+import org.onosproject.net.intent.FakeIntentManager;
+import org.onosproject.net.intent.Intent;
+import org.onosproject.net.intent.IntentInstaller;
+import org.onosproject.net.intent.IntentTestsMocks;
+import org.onosproject.net.intent.MockIdGenerator;
+import org.onosproject.net.intent.PathIntent;
+
+import com.google.common.collect.ImmutableList;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+import static org.onosproject.net.DefaultEdgeLink.createEdgeLink;
+import static org.onosproject.net.Link.Type.DIRECT;
+import static org.onosproject.net.NetTestTools.APP_ID;
+import static org.onosproject.net.NetTestTools.PID;
+import static org.onosproject.net.NetTestTools.connectPoint;
+
+/**
+ * Unit tests for path intent installer.
+ */
+public class PathIntentInstallerTest {
+
+ CoreService testCoreService;
+ IdGenerator idGenerator = new MockIdGenerator();
+ PathIntentInstaller installer;
+
+ private final IntentTestsMocks.MockSelector selector = new IntentTestsMocks.MockSelector();
+ private final IntentTestsMocks.MockTreatment treatment = new IntentTestsMocks.MockTreatment();
+ private final ConnectPoint d1p1 = connectPoint("s1", 0);
+ private final ConnectPoint d2p0 = connectPoint("s2", 0);
+ private final ConnectPoint d2p1 = connectPoint("s2", 1);
+ private final ConnectPoint d3p1 = connectPoint("s3", 1);
+ private final ConnectPoint d3p0 = connectPoint("s3", 10);
+ private final ConnectPoint d1p0 = connectPoint("s1", 10);
+
+ private final List<Link> links = Arrays.asList(
+ createEdgeLink(d1p0, true),
+ new DefaultLink(PID, d1p1, d2p0, DIRECT),
+ new DefaultLink(PID, d2p1, d3p1, DIRECT),
+ createEdgeLink(d3p0, false)
+ );
+ private final int hops = links.size() - 1;
+ private PathIntent intent;
+
+ /**
+ * Configures objects used in all the test cases.
+ */
+ @Before
+ public void localSetup() {
+ testCoreService = new TestCoreService();
+ Intent.bindIdGenerator(idGenerator);
+ installer = new PathIntentInstaller();
+ installer.coreService = testCoreService;
+ installer.intentManager = new MockIntentManager();
+ intent = new PathIntent(APP_ID, selector, treatment,
+ new DefaultPath(PID, links, hops), ImmutableList.of());
+ }
+
+ /**
+ * Tears down objects used in all the test cases.
+ */
+ @After
+ public void localTearDown() {
+ Intent.unbindIdGenerator(idGenerator);
+ }
+
+ /**
+ * Mock for core service.
+ */
+ private static class TestCoreService extends CoreServiceAdapter {
+
+ String registeredId = "";
+
+ @Override
+ public ApplicationId registerApplication(String identifier) {
+ registeredId = identifier;
+ return APP_ID;
+ }
+ }
+
+ /**
+ * Mock for intent manager service. Checks that the PathIntent
+ * installer installs and uninstalls properly.
+ */
+ private static class MockIntentManager extends FakeIntentManager {
+
+ boolean installerRegistered = false;
+
+ @Override
+ public <T extends Intent> void registerInstaller(
+ Class<T> cls,
+ IntentInstaller<T> installer) {
+ assertThat(cls.getCanonicalName(),
+ equalTo("org.onosproject.net.intent.PathIntent"));
+ installerRegistered = true;
+ }
+
+ @Override
+ public <T extends Intent> void unregisterInstaller(Class<T> cls) {
+ assertThat(cls.getCanonicalName(),
+ equalTo("org.onosproject.net.intent.PathIntent"));
+ assertThat(installerRegistered, is(true));
+ }
+
+ }
+
+ /**
+ * Tests activation and deactivation of the installer.
+ */
+ @Test
+ public void activateDeactivate() {
+ installer.activate();
+ installer.deactivate();
+ }
+
+ /**
+ * Checks that a flow operation contains the correct values.
+ *
+ * @param op flow rule operation to check
+ * @param type type the flow rule operation should have
+ * @param deviceId device id the flow rule operation should have
+ */
+ private void checkFlowOperation(FlowRuleOperation op,
+ FlowRuleOperation.Type type,
+ DeviceId deviceId) {
+ assertThat(op.type(), is(type));
+ assertThat(op.rule().deviceId(), equalTo(deviceId));
+ }
+
+ /**
+ * Tests installation operation of the path intent installer.
+ */
+ @Test
+ public void install() {
+ installer.activate();
+
+ List<Collection<FlowRuleOperation>> operations =
+ installer.install(intent);
+ assertThat(operations, notNullValue());
+ assertThat(operations, hasSize(1));
+
+ Collection<FlowRuleOperation> flowRuleOpsCollection = operations.get(0);
+ assertThat(flowRuleOpsCollection, hasSize(hops));
+ FlowRuleOperation[] flowRuleOps =
+ flowRuleOpsCollection.toArray(new FlowRuleOperation[hops]);
+
+ FlowRuleOperation op0 = flowRuleOps[0];
+ checkFlowOperation(op0, FlowRuleOperation.Type.ADD, d1p0.deviceId());
+
+ FlowRuleOperation op1 = flowRuleOps[1];
+ checkFlowOperation(op1, FlowRuleOperation.Type.ADD, d2p0.deviceId());
+
+ FlowRuleOperation op2 = flowRuleOps[2];
+ checkFlowOperation(op2, FlowRuleOperation.Type.ADD, d3p0.deviceId());
+
+ installer.deactivate();
+ }
+
+ /**
+ * Checks the uninstall operation of the path intent installer.
+ */
+ @Test
+ public void uninstall() {
+ installer.activate();
+
+ List<Collection<FlowRuleOperation>> operations =
+ installer.uninstall(intent);
+ assertThat(operations, notNullValue());
+ assertThat(operations, hasSize(1));
+
+ Collection<FlowRuleOperation> flowRuleOpsCollection = operations.get(0);
+ assertThat(flowRuleOpsCollection, hasSize(hops));
+ FlowRuleOperation[] flowRuleOps =
+ flowRuleOpsCollection.toArray(new FlowRuleOperation[hops]);
+
+ FlowRuleOperation op0 = flowRuleOps[0];
+ checkFlowOperation(op0, FlowRuleOperation.Type.REMOVE, d1p0.deviceId());
+
+ FlowRuleOperation op1 = flowRuleOps[1];
+ checkFlowOperation(op1, FlowRuleOperation.Type.REMOVE, d2p0.deviceId());
+
+ FlowRuleOperation op2 = flowRuleOps[2];
+ checkFlowOperation(op2, FlowRuleOperation.Type.REMOVE, d3p0.deviceId());
+
+ installer.deactivate();
+ }
+}