Fixed possible NPE in WorkflowAction

NullPointerException could be thrown
in case when resource == null.

Change-Id: I1f78e4733187f3086ac1915d2bfb098fb8c4aabd
Issue-ID: SO-1530
Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>

1 files changed, 14 insertions, 4 deletions

diff --git a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionTest.java b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionTest.java
index c74f590e6b..93d4b413f8 100644
--- a/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionTest.java
+++ b/bpmn/so-bpmn-tasks/src/test/java/org/onap/so/bpmn/infrastructure/workflow/tasks/WorkflowActionTest.java
@@ -24,10 +24,7 @@ package org.onap.so.bpmn.infrastructure.workflow.tasks;
 
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.CoreMatchers.equalTo;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertThat;
+import static org.junit.Assert.*;
 import static org.mockito.ArgumentMatchers.anyObject;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Matchers.isA;
@@ -1329,6 +1326,19 @@ public class WorkflowActionTest extends BaseTaskTest {
             execution.getVariable("WorkflowActionErrorMessage"));
     }
 
+    @Test
+    public void verifyLackOfNullPointerExceptionForNullResource(){
+      ExecuteBuildingBlock result = null;
+      try {
+        result = workflowAction
+        .buildExecuteBuildingBlock(new OrchestrationFlow(), null, null, null, null, null, false,
+        null, null, null, false, null, true);
+      }catch (NullPointerException e){
+      fail("NullPointerException should not be thrown when 'resource' is null");
+      }
+      assertNotNull(result);
+    }
+
 	private List<OrchestrationFlow> createFlowList (String... flowNames){
 		List<OrchestrationFlow> result = new ArrayList<>();
 		for(String flowName : flowNames){