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dhananjayKu5
April 9, 2025
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Getting Null pointer exception while mocking resourceResolver

  • April 9, 2025
  • 2 replies
  • 639 views

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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Best answer by daniel-strmecki

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

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

 

Good luck,

Daniel

2 replies

muskaanchandwani
Adobe Employee
muskaanchandwaniAdobe Employee
Adobe Employee
April 9, 2025

@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

    kapil_rajoria
    Community Advisor
    kapil_rajoriaCommunity Advisor
    Community Advisor
    April 10, 2025

    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
      Community Advisor and Adobe Champion
      daniel-strmeckiCommunity Advisor and Adobe ChampionAccepted solution
      Community Advisor and Adobe Champion
      April 11, 2025

      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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