Basic equality and creation tests for Constraint objects

Change-Id: Ibcd125ce3070cfbf23c8349dbf950a3352fac44d

+/*
+ * 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.constraint;
+
+import org.junit.Test;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.resource.Bandwidth;
+import org.onlab.onos.net.resource.Lambda;
+
+import com.google.common.testing.EqualsTester;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+
+/**
+ * Unit tests for Constraint objects.
+ */
+public class ConstraintObjectsTest {
+
+    // Bandwidth Constraint
+
+    final BandwidthConstraint bandwidthConstraint1 =
+            new BandwidthConstraint(Bandwidth.valueOf(100.0));
+    final BandwidthConstraint bandwidthConstraintSameAs1 =
+            new BandwidthConstraint(Bandwidth.valueOf(100.0));
+    final BandwidthConstraint bandwidthConstraint2 =
+            new BandwidthConstraint(Bandwidth.valueOf(200.0));
+
+    /**
+     * Checks that the objects were created properly.
+     */
+    @Test
+    public void testBandwidthConstraintCreation() {
+        assertThat(bandwidthConstraint1.bandwidth().toDouble(), is(equalTo(100.0)));
+        assertThat(bandwidthConstraintSameAs1.bandwidth().toDouble(), is(equalTo(100.0)));
+        assertThat(bandwidthConstraint2.bandwidth().toDouble(), is(equalTo(200.0)));
+    }
+
+    /**
+     * Checks the correctness of the equals() method.
+     */
+    @Test
+    public void testBandwidthConstraintEquals() {
+        new EqualsTester()
+                .addEqualityGroup(bandwidthConstraint1, bandwidthConstraintSameAs1)
+                .addEqualityGroup(bandwidthConstraint2)
+                .testEquals();
+    }
+
+    // Lambda Constraint
+
+    final LambdaConstraint lambdaConstraint1 =
+            new LambdaConstraint(Lambda.valueOf(100));
+    final LambdaConstraint lambdaConstraintSameAs1 =
+            new LambdaConstraint(Lambda.valueOf(100));
+    final LambdaConstraint lambdaConstraint2 =
+            new LambdaConstraint(Lambda.valueOf(200));
+
+    /**
+     * Checks that the objects were created properly.
+     */
+    @Test
+    public void testLambdaConstraintCreation() {
+        assertThat(lambdaConstraint1.lambda().toInt(), is(equalTo(100)));
+        assertThat(lambdaConstraintSameAs1.lambda().toInt(), is(equalTo(100)));
+        assertThat(lambdaConstraint2.lambda().toInt(), is(equalTo(200)));
+    }
+
+    /**
+     * Checks the correctness of the equals() method.
+     */
+    @Test
+    public void testLambdaConstraintEquals() {
+        new EqualsTester()
+            .addEqualityGroup(lambdaConstraint1, lambdaConstraintSameAs1)
+            .addEqualityGroup(lambdaConstraint2)
+            .testEquals();
+    }
+
+    // LinkType Constraint
+
+    final LinkTypeConstraint linkTypeConstraint1 =
+            new LinkTypeConstraint(true, Link.Type.OPTICAL, Link.Type.TUNNEL);
+    final LinkTypeConstraint linkTypeConstraintSameAs1 =
+            new LinkTypeConstraint(true, Link.Type.OPTICAL, Link.Type.TUNNEL);
+    final LinkTypeConstraint linkTypeConstraint2 =
+            new LinkTypeConstraint(true, Link.Type.OPTICAL, Link.Type.DIRECT);
+
+    /**
+     * Checks that the objects were created properly.
+     */
+    @Test
+    public void testLinkTypeConstraintCreation() {
+        assertThat(linkTypeConstraint1.isInclusive(), is(true));
+        assertThat(linkTypeConstraint1.types(),
+                   contains(Link.Type.OPTICAL, Link.Type.TUNNEL));
+        assertThat(linkTypeConstraintSameAs1.isInclusive(), is(true));
+        assertThat(linkTypeConstraintSameAs1.types(),
+                contains(Link.Type.OPTICAL, Link.Type.TUNNEL));
+        assertThat(linkTypeConstraint2.isInclusive(), is(true));
+        assertThat(linkTypeConstraint2.types(),
+                contains(Link.Type.OPTICAL, Link.Type.DIRECT));
+    }
+
+    /**
+     * Checks the correctness of the equals() method.
+     */
+    @Test
+    public void testLinkTypeConstraintEquals() {
+        new EqualsTester()
+                .addEqualityGroup(linkTypeConstraint1, linkTypeConstraintSameAs1)
+                .addEqualityGroup(linkTypeConstraint2)
+                .testEquals();
+    }
+}