diff --git a/core/api/src/test/java/org/onosproject/net/pi/runtime/PiActionParamIdTest.java b/core/api/src/test/java/org/onosproject/net/pi/runtime/PiActionParamIdTest.java
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+++ b/core/api/src/test/java/org/onosproject/net/pi/runtime/PiActionParamIdTest.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2017-present 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.pi.runtime;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
+import static org.onosproject.net.pi.runtime.PiConstantsTest.DST_ADDR;
+import static org.onosproject.net.pi.runtime.PiConstantsTest.PORT;
+import static org.onosproject.net.pi.runtime.PiConstantsTest.SRC_ADDR;
+
+/**
+ * Unit tests for PiActionParamId class.
+ */
+public class PiActionParamIdTest {
+    final PiActionParamId piActionParamId1 = PiActionParamId.of(PORT);
+    final PiActionParamId sameAsPiActionParamId1 = PiActionParamId.of(PORT);
+    final PiActionParamId piActionParamId2 = PiActionParamId.of(DST_ADDR);
+
+    /**
+     * Checks that the PiActionParamId class is immutable.
+     */
+    @Test
+    public void testImmutability() {
+        assertThatClassIsImmutable(PiActionParamId.class);
+    }
+
+    /**
+     * Checks the operation of equals(), hashCode() and toString() methods.
+     */
+    @Test
+    public void testEquals() {
+        new EqualsTester()
+                .addEqualityGroup(piActionParamId1, sameAsPiActionParamId1)
+                .addEqualityGroup(piActionParamId2)
+                .testEquals();
+    }
+
+    /**
+     * Checks the construction of a PiActionParamId object.
+     */
+    @Test
+    public void testConstruction() {
+        final String param = SRC_ADDR;
+        final PiActionParamId actionParamId = PiActionParamId.of(SRC_ADDR);
+        assertThat(actionParamId, is(notNullValue()));
+        assertThat(actionParamId.name(), is(param));
+    }
+}