Unit test refactoring

- removed tests no longer useful now that all Intent objects are unique
- fixed intent object equality tests
- enabled several immutable base class tests
- renamed several Test....java classes to ...Test.Java to
  match project best practices

Change-Id: Ic829d6d39556d2f63323f5e82f3807dba86c62ec
diff --git a/core/net/src/test/java/org/onlab/onos/net/intent/impl/PointToPointIntentCompilerTest.java b/core/net/src/test/java/org/onlab/onos/net/intent/impl/PointToPointIntentCompilerTest.java
new file mode 100644
index 0000000..6d76820
--- /dev/null
+++ b/core/net/src/test/java/org/onlab/onos/net/intent/impl/PointToPointIntentCompilerTest.java
@@ -0,0 +1,174 @@
+/*
+ * 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.onlab.onos.net.intent.impl;
+
+import org.hamcrest.Matchers;
+import org.junit.Test;
+import org.onlab.onos.TestApplicationId;
+import org.onlab.onos.core.ApplicationId;
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.Path;
+import org.onlab.onos.net.flow.TrafficSelector;
+import org.onlab.onos.net.flow.TrafficTreatment;
+import org.onlab.onos.net.intent.AbstractIntentTest;
+import org.onlab.onos.net.intent.Intent;
+import org.onlab.onos.net.intent.IntentTestsMocks;
+import org.onlab.onos.net.intent.PathIntent;
+import org.onlab.onos.net.intent.PointToPointIntent;
+
+import java.util.List;
+
+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.onlab.onos.net.DefaultEdgeLink.createEdgeLink;
+import static org.onlab.onos.net.DeviceId.deviceId;
+import static org.onlab.onos.net.NetTestTools.APP_ID;
+import static org.onlab.onos.net.NetTestTools.connectPoint;
+import static org.onlab.onos.net.PortNumber.portNumber;
+import static org.onlab.onos.net.intent.LinksHaveEntryWithSourceDestinationPairMatcher.linksHasPath;
+
+/**
+ * Unit tests for the HostToHost intent compiler.
+ */
+public class PointToPointIntentCompilerTest 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 PointToPointIntent makeIntent(String ingressIdString,
+                                          String egressIdString) {
+        return new PointToPointIntent(APPID, selector, treatment,
+                                      connectPoint(ingressIdString, 1),
+                                      connectPoint(egressIdString, 1));
+    }
+
+    /**
+     * Creates a compiler for HostToHost intents.
+     *
+     * @param hops string array describing the path hops to use when compiling
+     * @return HostToHost intent compiler
+     */
+    private PointToPointIntentCompiler makeCompiler(String[] hops) {
+        PointToPointIntentCompiler compiler =
+                new PointToPointIntentCompiler();
+        compiler.pathService = new IntentTestsMocks.MockPathService(hops);
+        return compiler;
+    }
+
+
+    /**
+     * Tests a pair of devices in an 8 hop path, forward direction.
+     */
+    @Test
+    public void testForwardPathCompilation() {
+
+        PointToPointIntent intent = makeIntent("d1", "d8");
+        assertThat(intent, is(notNullValue()));
+
+        String[] hops = {"d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8"};
+        PointToPointIntentCompiler 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 PathIntent, is(true));
+
+        if (forwardResultIntent instanceof PathIntent) {
+            PathIntent forwardPathIntent = (PathIntent) 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"));
+        }
+    }
+
+    /**
+     * Tests a pair of devices in an 8 hop path, forward direction.
+     */
+    @Test
+    public void testReversePathCompilation() {
+
+        PointToPointIntent intent = makeIntent("d8", "d1");
+        assertThat(intent, is(notNullValue()));
+
+        String[] hops = {"d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8"};
+        PointToPointIntentCompiler 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 PathIntent, is(true));
+
+        if (reverseResultIntent instanceof PathIntent) {
+            PathIntent reversePathIntent = (PathIntent) 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"));
+        }
+    }
+
+    /**
+     * 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));
+        PointToPointIntent intent = new PointToPointIntent(APP_ID, selector, treatment, src, dst);
+
+        String[] hops = {"1"};
+        PointToPointIntentCompiler sut = makeCompiler(hops);
+
+        List<Intent> compiled = sut.compile(intent, null, null);
+
+        assertThat(compiled, hasSize(1));
+        assertThat(compiled.get(0), is(instanceOf(PathIntent.class)));
+        Path path = ((PathIntent) 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)));
+    }
+}