<artifactId>sdc-tosca</artifactId>
        <name>sdc-sdc-tosca</name>
        <description>SDC Tosca Parser JAR file for use by consumers</description>
-       <version>1.4.0-SNAPSHOT</version>
+       <version>1.4.1-SNAPSHOT</version>
        <packaging>jar</packaging>
 
        <properties>
                <dependency>
                        <groupId>org.onap.sdc.jtosca</groupId>
                        <artifactId>jtosca</artifactId>
-                       <version>1.3.5</version>
+                       <version>1.4.1-SNAPSHOT</version>
                </dependency>
 
 
 
         assertEquals(interfaceDef.getOperationName(), "instantiate");
     }
 
+    @Test
+    public void testGetInterfaceOperationImplementationDetails() {
+        InterfacesDef interfaceDef = csarHelperVfInterfaces.getInterfaceOperationDetails(vfs.get(0), "org.openecomp.interfaces.node.lifecycle.CxVnf1", "upgrade");
+        assertNotNull(interfaceDef);
+        assertNotNull(interfaceDef.getImplementation());
+        assertEquals(((Map)interfaceDef.getImplementation()).get("primary"), "Artifacts/Deployment/WORKFLOW/CreateWorkFlow.json");
+        assertEquals(((Map)interfaceDef.getImplementation()).get("dependencies"), "TestDependency1");
+    }
+
 }