Add Unit tests for some org.onlab.onos.net.flow classes

Change-Id: Iac13ce237245d08e42a25cd8e01dee6a30ee2b20
diff --git a/core/api/src/test/java/org/onlab/onos/net/flow/FlowRuleBatchOperationTest.java b/core/api/src/test/java/org/onlab/onos/net/flow/FlowRuleBatchOperationTest.java
new file mode 100644
index 0000000..2b8908b
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/net/flow/FlowRuleBatchOperationTest.java
@@ -0,0 +1,60 @@
+/*
+ * 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 java.util.LinkedList;
+
+import org.junit.Test;
+import org.onlab.onos.net.intent.IntentTestsMocks;
+
+import com.google.common.testing.EqualsTester;
+
+/**
+ * Unit tests for flow rule batch classes.
+ */
+public class FlowRuleBatchOperationTest {
+
+    /**
+     * Tests the equals(), hashCode() and toString() methods.
+     */
+    @Test
+    public void testEquals() {
+        final FlowRule rule = new IntentTestsMocks.MockFlowRule(1);
+        final FlowRuleBatchEntry entry1 = new FlowRuleBatchEntry(
+                FlowRuleBatchEntry.FlowRuleOperation.ADD, rule);
+        final FlowRuleBatchEntry entry2 = new FlowRuleBatchEntry(
+                FlowRuleBatchEntry.FlowRuleOperation.MODIFY, rule);
+        final FlowRuleBatchEntry entry3 = new FlowRuleBatchEntry(
+                FlowRuleBatchEntry.FlowRuleOperation.REMOVE, rule);
+        final LinkedList<FlowRuleBatchEntry> ops1 = new LinkedList<>();
+        ops1.add(entry1);
+        final LinkedList<FlowRuleBatchEntry> ops2 = new LinkedList<>();
+        ops1.add(entry2);
+        final LinkedList<FlowRuleBatchEntry> ops3 = new LinkedList<>();
+        ops3.add(entry3);
+
+        final FlowRuleBatchOperation operation1 = new FlowRuleBatchOperation(ops1);
+        final FlowRuleBatchOperation sameAsOperation1 = new FlowRuleBatchOperation(ops1);
+        final FlowRuleBatchOperation operation2 = new FlowRuleBatchOperation(ops2);
+        final FlowRuleBatchOperation operation3 = new FlowRuleBatchOperation(ops3);
+
+        new EqualsTester()
+                .addEqualityGroup(operation1, sameAsOperation1)
+                .addEqualityGroup(operation2)
+                .addEqualityGroup(operation3)
+                .testEquals();
+    }
+}