JUnit - Page model NullPointerException

10 replies
3083 views
Translate

Hi All,

Trying to get Page model object (OOB) in JUnit test case, but getting NullPointerException (at line#75).
Am I missing anything in the implementation, any thoughts/suggestion please.

This post is no longer active and is closed to new replies. Need help? Start a new post to ask your question.

BrianKasingliAccepted solution

New Participant

Try again after making your Sling Model more simple. Change to :

@Model(adaptables = {
          SlingHttpServletRequest.class, 
          Resource.class
     }, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
public class PageModel implements Page {

}

If this doesn't work, try to remove implements Page. Just seeing it your developer's environment is working at all. It might just be a coding convention issue.

BrianKasingliAccepted solution

New Participant

Try again after making your Sling Model more simple. Change to :

@Model(adaptables = {
          SlingHttpServletRequest.class, 
          Resource.class
     }, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL)
public class PageModel implements Page {

}

If this doesn't work, try to remove implements Page. Just seeing it your developer's environment is working at all. It might just be a coding convention issue.

Translate

Nitin_laadAuthor

New Participant

I am able to successfully run below test case

Translate

BrianKasingli

New Participant

@nitin_laad do you have the RunWith annotation set?

@RunWith(MockitoJUnitRunner.class)
public class ComponentTest {
    @Rule
    public final AemContext context = new AemContext(ResourceResolverType.JCR_MOCK);

    private Component component;
   
    @Test
    public void itShouldNotBeNull() {
         Resource componentContext = context.create().resource("/content/my-site/home/jcr:content/component", new ValueMapDecorator(ImmutableMap.<String, Object> of(
                "fakeProp", "example")));
        underTest = componentContext.adaptTo(Component.class);
        assertNotNulll(underTest);
    }
}

Translate

Nitin_laadAuthor

New Participant

Thank You @briankasingli, tried with suggested option but no luck

Translate

Vijayalakshmi_S

Level 10

Hi @nitin_laad,

Please check the Model under test. In this case, PageModel.class - If any of the injects/references used in sling model is null in the context of test environment, then it will result in Model being null.

We need to set those references used in Model to aemContext and then use it to get the Model object.

Example : If a Model uses Externalizer service, then we need to set the Externalizer to aemContext first before instantiating the Model.

Please share the PageModel.class if it is fine to share for further debugging.

Translate