Getting Null pointer exception while mocking resourceResolver

[dhananjayKu5]

In my SImple.java class inside workflow

I am having 

try(ResourceResolver resourceResolver = getResolver(resourceResolverFactory)) {.......}

In my SImpleTest.java class

Resource resource = context.resourceResolver().getResource("/content/........");

cu.excute(workItem, workflowSession, processArguments);

getting null pointer exception test class for cu.excute method.

Any other approach to handle resourceResolverFactory ? 

[muskaanchandwani]

@dhananjayKu5 you can try to mock ResourceResolverFactory and inject a working ResourceResolver in your test using AEM Mocks :
https://experienceleague.adobe.com/en/docs/experience-manager-learn/getting-started-wknd-tutorial-de...

[kapil_rajoria]

Hi @dhananjayKu5 ,
Did you try using mockito to mock the required things: import org.mockito.Mockito;

ResourceResolverFactory resourceResolverFactory = mock(ResourceResolverFactory.class);
ResourceResolver resourceResolver = mock(ResourceResolver.class);
Resource resource = mock(Resource.class);

[daniel-strmecki · Accepted solution]

Do not mock the Resource Resolver yourself; the mocks from AEM Mocks work great.

Use org.apache.sling.testing.resourceresolver.MockResourceResolverFactory.

Good luck,

Daniel