workflowSession.adaptTo returning null session object | Junit |

Question

Trying to get MOCK session object in workflow process class to satisfy below statement, but getting null value for jcrSession.

Session jcrSession = workflowSession.adaptTo(Session.class);

Code Snippet from Junit class

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public final AemContext context = new AemContext();

@BeforeEach
public void setup() throws Exception {

workflowSessionMock = Mockito.mock(WorkflowSession.class);
workflowModelMock = Mockito.mock(WorkflowModel.class);
workItem = Mockito.mock(WorkItem.class);
wfData = Mockito.mock(WorkflowData.class);
wfMetaDataMap = Mockito.mock(MetaDataMap.class);
wfWorkflow = Mockito.mock(Workflow.class);
mockSession = Mockito.mock(Session.class);
}

@Test
void testExecute() throws WorkflowException {

MetaDataMap metaData = new SimpleMetaDataMap();
StringBuilder args = new StringBuilder();
args.append("effectiveDate=meta:absoluteTime");
Mockito.when(workItem.getWorkflow()).thenReturn(wfWorkflow);
Mockito.when(wfWorkflow.getMetaDataMap()).thenReturn(wfMetaDataMap);
context.registerAdapter(WorkflowSession.class, Session.class, mockSession);
Mockito.when(wfData.getPayloadType()).thenReturn("JCR_PATH");
Mockito.when(wfData.getPayload()).thenReturn("/content/dam/page");
Mockito.when(workItem.getWorkflowData()).thenReturn(wfData);
String sbString = args.toString();
String[] ary = sbString.split("=");

metaData.put("PROCESS_ARGS", ary);
process.execute(workItem, workflowSessionMock, metaData);

}

Getting all the required parameters(workItem, workflowSession, metaDataMap) and assigned values in workflow process class, but workflowSession.adaptTo is returning null Session object.

Any thoughts or suggestion please.

AEM SDK Version - aem-sdk-2020.12.4676.20201216T130744Z-201201
Archtype - 23
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Thanks

@veenavikraman

@arunpatidar

@Jörg_Hoh