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R
RobertBailey1
Level 4
January 28, 2021
Solved

AEM Java unit test , adapt resource without jcr:title to model ?

  • January 28, 2021
  • 4 replies
  • 2832 views

In an AEM Java unit test , is it possible to adapt a resource without jcr:title to a model ?

In example below , testEmptyPage() is behaving as expected , but testEmptyPageMissingTitle() is not behaving as expected because it sets pageBean to null ?

In an AEM Java unit test , how can I adapt a resource without jcr:title to a model ?

Thank you and best regards.


********** MyPageBeanModelTest.java **********

@RunWith(MockitoJUnitRunner.class) public class MyPageBeanModelTest { @1227241 public final AemContext context = new AemContext(); @Mock private LiveRelationshipManager liveRelationshipManager; @Before public void setUp() { context.load().json("/mockedJCR/models/structure/page/empty-page.json", "/content/myproject/en/empty-page"); context.load().json("/mockedJCR/models/structure/page/empty-page-missing-title.json", "/content/myproject/en/empty-page-missing-title"); context.registerService(LiveRelationshipManager.class, liveRelationshipManager); } @2785667 public void testEmptyPage() { System.out.println("---------------------------- START testEmptyPage() ----------------------------"); Resource resource = context.resourceResolver().getResource("/content/myproject/en/empty-page/jcr:content"); PageBeanModel pageBean = resource.adaptTo(PageBeanModel.class); System.out.println("resource = " + (resource==null ? "NULL" : resource.toString())); System.out.println("pageBean = " + (pageBean==null ? "NULL" : pageBean.toString())); } @2785667 public void testEmptyPageMissingTitle() { System.out.println("---------------------------- START (testEmptyPageMissingTitle() ----------------------------"); Resource resource = context.resourceResolver().getResource("/content/myproject/en/empty-page-missing-title/jcr:content"); PageBeanModel pageBean = resource.adaptTo(PageBeanModel.class); System.out.println("resource = " + (resource==null ? "NULL" : resource.toString())); System.out.println("pageBean = " + (pageBean==null ? "NULL" : pageBean.toString())); } }


********** empty-page.json **********

{ "jcr:primaryType": "cq:Page", "jcr:content": { "jcr:primaryType": "cq:PageContent", "jcr:title": "unitTestPage", "sling:resourceType": "myproject/components/structure/page" } }


********** empty-page-missing-title.json **********

{ "jcr:primaryType": "cq:Page", "jcr:content": { "jcr:primaryType": "cq:PageContent", "sling:resourceType": "myproject/components/structure/page" } }


********** MyPageBeanModelTest console output **********

---------------------------- START testEmptyPage() ---------------------------- resource = MockResource [path=/content/myproject/en/empty-page/jcr:content, props=org.apache.sling.testing.resourceresolver.MockValueMap@f54a9a92 : org.apache.sling.testing.resourceresolver.ValueMapDecorator@f54a9a92 : {sling:resourceType=myproject/components/structure/page, jcr:primaryType=cq:PageContent, jcr:title=unitTestPage}] pageBean = com.project.core.models.components.structure.page.PageBeanModel@3437fc4f ---------------------------- START (testEmptyPageMissingTitle() ---------------------------- resource = MockResource [path=/content/myproject/en/empty-page-missing-title/jcr:content, props=org.apache.sling.testing.resourceresolver.MockValueMap@dde18880 : org.apache.sling.testing.resourceresolver.ValueMapDecorator@dde18880 : {sling:resourceType=myproject/components/structure/page, jcr:primaryType=cq:PageContent}] pageBean = NULL Tests run: 2, Failures: 0, Errors: 0, Skipped: 0

 

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Best answer by joerghoh

The problem is your SlingModel. And from my point of view making fields optional is rarely the solution to such problems. 

 

From my point of view the problem is the missing registration of the SlingModel classes in the AemContext object. Please check the documentation at https://wcm.io/testing/aem-mock/usage.html#Sling_Models

4 replies

Vijayalakshmi_S
Vijayalakshmi_S
Level 10
January 28, 2021

Hi @robertbailey1,

Possible reason for model being null could be variables/objects used in the model is null (not letting it to instantiate)

Cross check the same(In particular, check if jcr:title is mandatory injection) or please share the PageBeanModel class if possible to debug further.

    SureshDhulipudi
    Community Advisor
    SureshDhulipudiCommunity Advisor
    Community Advisor
    January 28, 2021

    for Sling Model class check the defaultInjection Strategy (Constructor Injection and Field level injection)

    For jcr:title is mandatory set to optional and try.

    defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL

      R
      RobertBailey1Author
      Level 4
      January 28, 2021

      Hi Suresh,

      Thank you for suggestion. I tried adding defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL to the model , and also tried adding defaultInjectionStrategy = DefaultInjectionStrategy.REQUIRED , unfortunately neither has solved the problem and unit test is reporting pageBean as null when jcr:title missing from loaded content.

       

      ********** Model with defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL **********

      @Model(adaptables = {Resource.class}, defaultInjectionStrategy = DefaultInjectionStrategy.OPTIONAL) public class PageBeanModel implements Serializable { @586265 @Named(JcrConstants.JCR_TITLE) @7392697 private String title; }

       

      ********** Model with defaultInjectionStrategy = DefaultInjectionStrategy.REQUIRED **********

      @Model(adaptables = {Resource.class}, defaultInjectionStrategy = DefaultInjectionStrategy.REQUIRED) public class PageBeanModel implements Serializable { @586265 @Named(JcrConstants.JCR_TITLE) @7392697 private String title; }
        SureshDhulipudi
        Community Advisor
        SureshDhulipudiCommunity Advisor
        Community Advisor
        January 28, 2021

        can you try like this

        @586265
        @Named(JcrConstants.JCR_TITLE)
        @7392697
        @1497330(values="No Title")
        private String title;

        or

        @586265
        @Named(JcrConstants.JCR_TITLE)
        @ValueMapValue(injectionStrategy = InjectionStrategy.OPTIONAL)
        @1497330(values="No Title")
        private String title;

        joerghoh
        Adobe Employee
        joerghohAdobe EmployeeAccepted solution
        Adobe Employee
        January 31, 2021

        The problem is your SlingModel. And from my point of view making fields optional is rarely the solution to such problems. 

         

        From my point of view the problem is the missing registration of the SlingModel classes in the AemContext object. Please check the documentation at https://wcm.io/testing/aem-mock/usage.html#Sling_Models

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