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dhananjayKu5
Apr 9, 2025 2:59 PM UTC
Solved

Getting Null pointer exception while mocking resourceResolver

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 ? 

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daniel-strmecki
daniel-strmeckiAccepted solution
Adobe Champion, Community Advisor, UG Leader
Apr 11, 2025 9:31 AM UTC

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

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

 

Good luck,

Daniel

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3 replies

muskaanchandwani
Adobe Employee
muskaanchandwaniAdobe Employee
Adobe Employee
Apr 9, 2025 5:30 PM UTC

@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-develop/project-archetype/unit-testing#setting-up-aem-test-context

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    kapil_rajoria
    Community Advisor
    kapil_rajoriaCommunity Advisor
    Community Advisor
    Apr 10, 2025 6:25 AM UTC

    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);
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      daniel-strmecki
      Adobe Champion, Community Advisor, UG Leader
      daniel-strmeckiAdobe Champion, Community Advisor, UG LeaderAccepted solution
      Adobe Champion, Community Advisor, UG Leader
      Apr 11, 2025 9:31 AM UTC

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

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

       

      Good luck,

      Daniel

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