FlowRule Event unit tests

Change-Id: I620e3f8d4a8bc7bd4f9af1b16403484edd43d9df

+/*
+ * 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.flow;
+
+import org.junit.Test;
+import org.onlab.onos.event.AbstractEventTest;
+import org.onlab.onos.net.intent.IntentTestsMocks;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Unit Tests for the FlowRuleEvent class.
+ */
+public class FlowRuleEventTest extends AbstractEventTest {
+
+    @Test
+    public void testEquals() {
+        final FlowRule flowRule1 = new IntentTestsMocks.MockFlowRule(1);
+        final FlowRule flowRule2 = new IntentTestsMocks.MockFlowRule(2);
+        final long time = 123L;
+        final FlowRuleEvent event1 =
+                new FlowRuleEvent(FlowRuleEvent.Type.RULE_ADDED, flowRule1, time);
+        final FlowRuleEvent sameAsEvent1 =
+                new FlowRuleEvent(FlowRuleEvent.Type.RULE_ADDED, flowRule1, time);
+        final FlowRuleEvent event2 =
+                new FlowRuleEvent(FlowRuleEvent.Type.RULE_ADD_REQUESTED,
+                                  flowRule2, time);
+
+        // Equality for events is based on Object, these should all compare
+        // as different.
+        new EqualsTester()
+                .addEqualityGroup(event1)
+                .addEqualityGroup(sameAsEvent1)
+                .addEqualityGroup(event2)
+                .testEquals();
+    }
+
+    /**
+     * Tests the constructor where a time is passed in.
+     */
+    @Test
+    public void testTimeConstructor() {
+        final long time = 123L;
+        final FlowRule flowRule = new IntentTestsMocks.MockFlowRule(1);
+        final FlowRuleEvent event =
+                new FlowRuleEvent(FlowRuleEvent.Type.RULE_REMOVE_REQUESTED, flowRule, time);
+        validateEvent(event, FlowRuleEvent.Type.RULE_REMOVE_REQUESTED, flowRule, time);
+    }
+
+    /**
+     * Tests the constructor with the default time value.
+     */
+    @Test
+    public void testConstructor() {
+        final long time = System.currentTimeMillis();
+        final FlowRule flowRule = new IntentTestsMocks.MockFlowRule(1);
+        final FlowRuleEvent event =
+                new FlowRuleEvent(FlowRuleEvent.Type.RULE_UPDATED, flowRule);
+        validateEvent(event, FlowRuleEvent.Type.RULE_UPDATED, flowRule, time);
+    }
+}