Need assistance on mocking AEM adobe cq Workflow objects

[is.aka...@gmail.com]

Hi, I was trying to get the workflow information from the below code. New to Mockito framework. Please guide me where i went wrong with in the below code in blue.

errors:

org.mockito.exceptions.misusing.UnfinishedStubbingException: 

Unfinished stubbing detected here:

-> at com.adobe.acs.commons.dam.RenditionModifyingProcessTest.test_with_rendition_arg_getting_real_rendition(RenditionModifyingProcessTest.java:143)

E.g. thenReturn() may be missing.

Examples of correct stubbing:

    when(mock.isOk()).thenReturn(true);

    when(mock.isOk()).thenThrow(exception);

    doThrow(exception).when(mock).someVoidMethod();

Hints:

 1. missing thenReturn()

 2. you are trying to stub a final method, you naughty developer!

at com.adobe.acs.commons.dam.RenditionModifyingProcessTest.test_with_rendition_arg_getting_real_rendition(RenditionModifyingProcessTest.java:143)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:483)

at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)

at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)

at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)

at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)

at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)

at org.junit.runners.ParentRunner.run(ParentRunner.java:236)

at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl.run(JUnit45AndHigherRunnerImpl.java:37)

at org.mockito.runners.MockitoJUnitRunner.run(MockitoJUnitRunner.java:62)

at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)

at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

code below: 

 @Test

    public void test_with_rendition_arg_getting_real_rendition() throws Exception {

        String path = "/content/dam/some/path.ext";

        WorkItem workItem = mock(WorkItem.class);

        WorkflowData data = mock(WorkflowData.class);

        

        Workflow workflow = mock(Workflow.class);        

        when(workflow.getWorkflowData()).thenReturn(data);

        when(workflow.getInitiator()).thenReturn(workflowSession.getUser().getName());

            

        

        when(workItem.getWorkflowData()).thenReturn(data);

        when(data.getPayloadType()).thenReturn(AbstractAssetWorkflowProcess.TYPE_JCR_PATH);

        when(data.getPayload()).thenReturn(path);

        System.out.println("payload: "+data.getPayload());

         //+workItem.getWorkflow().getInitiator()

        

        System.out.println(" initiator: "+workflow.getInitiator());

        

        Resource resource = mock(Resource.class);

        Asset asset = mock(Asset.class);

        Rendition rendition = mock(Rendition.class);

        when(resource.adaptTo(Asset.class)).thenReturn(asset);

        when(resource.getResourceType()).thenReturn(DamConstants.NT_DAM_ASSET);

        when(resourceResolver.getResource(path)).thenReturn(resource);

        when(asset.getRendition(isA(RenditionPicker.class))).thenReturn(rendition);

        when(rendition.getStream()).then(new Answer<InputStream>() {

            @Override

            public InputStream answer(InvocationOnMock invocation) throws Throwable {

                return getClass().getResourceAsStream("/img/test.png");

            }

        });

        when(harness.processLayer(any(Layer.class), eq(rendition), eq(workflowSession), any(String[].class)))

                .thenAnswer(new Answer<Layer>() {

                    @Override

                    public Layer answer(InvocationOnMock invocation) throws Throwable {

                        return (Layer) invocation.getArguments()[0];

                    }

                });

        MetaDataMap metaData = new SimpleMetaDataMap();

        metaData.put("PROCESS_ARGS", "renditionName:test");

        process.execute(workItem, workflowSession, metaData);

        verify(harness, times(1)).processLayer(any(Layer.class), eq(rendition), eq(workflowSession), any(String[].class));

        verify(harness, times(1)).saveImage(eq(asset), eq(rendition), any(Layer.class), eq("image/png"), eq(0.6));

    }

}

[Eric Lefevre-Ardant]

You do not make clear how workflowSession is instantiated. Also, it is not clear what exact line is causing the exception.

My guess is that workflowSession is itself a mock. In that case, the line

        when(workflow.getInitiator()).thenReturn(workflowSession.getUser().getName());

is problematic I think. I believe that Mockito would mix up the configuration of workflow and believe that you are starting to configure workflowSession as well, since you are making a reference to it. Try to replace workflowSession.getUser().getName() with an hard-coded value instead.

Also, please provide more details on workflowSession and the exact failing line.

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