Junit mock for Pagemanager getPage

Question

Hi All,I need to mock this statement in my class.PageManager pageManager = resolver.adaptTo(PageManager.class);pageManager.getPage("/test/sample"); So in my junit class, I have this code,lenient().when(pageManager.getPage("/test/sample")).thenReturn(context.create().page("/test/sample"); while debugging i could see thatIn java code the page manager object isio.wcm.testing.mock.aem.MockPageManager@58882a93 In junit classMock for PageManager, hashCode: 749625255 Is that the reason, why pageManager.getPage("/test/sample") returns null inspite of having a create page in junit?

arunpatidar · Accepted Answer

Hi @archr
Can you check a below sample code

import com.adobe.cq.wcm.api.Page;
import com.adobe.cq.wcm.api.PageManager;
import io.wcm.testing.mock.aem.junit.AemContext;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

import static org.junit.Assert.assertNotNull;

public class PageManagerTest {

    @Rule
    public final AemContext context = new AemContext();

    private PageManager pageManager;

    @Before
    public void setUp() {
        // Retrieve the PageManager from the AemContext
        pageManager = context.pageManager();
    }

    @Test
    public void testGetPage() {
        // Create a sample content structure for testing
        context.create().page("/content/sample", "/content/sample/page1");

        // Get the page using the PageManager API
        Page page = pageManager.getPage("/content/sample/page1");

        // Assert that the page is not null
        assertNotNull("Page should not be null", page);
    }
}

EstebanBustamante · Answer

By examining your code, the straightforward explanation for why it's returning null is because the conditions for this mock are not being fulfilled:

lenient().when(pageManager.getPage("/test/sample")).thenReturn(context.create().page("/test/sample");

You need to check during execution (debugging):

1. If the `pageManager` object is the same object returned from `resolver.adaptTo(PageManager.class)`. Ensure you are using `registerAdapter()` to return your mocked `PageManager` object. You can find information on how to do this in the following blog: https://taylor.callsen.me/unit-testing-aem-sling-models-and-servlets/.

2. Verify that the `getPage()` method in your execution is using the parameters "/test/sample" to invoke the method.

Once these conditions are met, your stubbing will occur and you won't have null anymore

Hope this helps.

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