--- /dev/null
+package org.onap.sdnc.northbound;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.generic.resource.rev170824.GetpathsegmentTopologyOperationInput;
+import org.opendaylight.yang.gen.v1.org.onap.sdnc.northbound.generic.resource.rev170824.GetpathsegmentTopologyOperationOutput;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+
+import static org.junit.Assert.assertEquals;
+import static org.onap.sdnc.northbound.util.MDSALUtil.*;
+
+@RunWith(MockitoJUnitRunner.class)
+public class GetpathsegmentTopologyOperationRPCTest extends GenericResourceApiProviderTest {
+
+ private static final String SVC_OPERATION = "getpathsegment-topology-operation";
+
+ @Before
+ public void setUp() throws Exception {
+ super.setUp();
+ svcClient.setScvOperation(SVC_OPERATION);
+ }
+
+ @Test
+ public void should_fail_when_invalid_vnf_topology() throws Exception {
+
+ GetpathsegmentTopologyOperationInput input = build(GetpathsegmentTopologyOperationInput());
+
+ GetpathsegmentTopologyOperationOutput output =
+ exec(genericResourceApiProvider::getpathsegmentTopologyOperation, input, RpcResult::getResult);
+
+ assertEquals("404", output.getResponseCode());
+ assertEquals("invalid input, null or empty service-instance-id", output.getResponseMessage());
+ assertEquals("Y", output.getAckFinalIndicator());
+ }
+}