Re: Unit testing - updating a DropDownChoice with Ajax

Hi

Here is the code for the test-case. I tried to use FormTester.select(...):

    public void testSelectResources() {
        // Set expectations to the mock content store
        final String title1 = "MyArticle-1";
        List<String> editorials = new ArrayList<String>();
        editorials.add(title1);
        // Expectations for the editor display
        expect(this.mockArticleStore.listEditorials()).andReturn(editorials);
       
        // Expectations for listing the resources (uploaded files).
        List<String> fileNames = new ArrayList();
        fileNames.add("rsc-1.bin");
        fileNames.add("rsc-2.bin");
        expect(this.mockResourceStore.getFilenames((String)anyObject())).andReturn(fileNames);
       
        // Replay recorded expectations
        replay(this.mockArticleStore);
        replay(this.mockResourceStore);
       
        this.tester.startPage(ArticleEditor.class);

        // Check if the editor page is shown.
        this.tester.assertRenderedPage(ArticleEditor.class);        
       
        // Test resource selection
        DropDownChoice rscValuesChoice =
                (DropDownChoice)this.tester.getLastRenderedPage().get(
                    "articleEditorForm:rscValuesList");
        List rscValues = rscValuesChoice.getChoices();
        assertTrue(rscValues.size() == 0);
       
        FormTester formTester =
                this.tester.newFormTester("articleEditorForm", false);
        formTester.select("rscTypesList", 0);  
       
        this.tester.executeAjaxEvent("articleEditorForm:rscTypesList", "onchange");
   
        rscValuesChoice =
                (DropDownChoice)this.tester.getLastRenderedPage().get(
                    "articleEditorForm:rscValuesList");
        rscValues = rscValuesChoice.getChoices();
        assertTrue(rscValues.size() == 2);
       
        verify(this.mockResourceStore);
        verify(this.mockArticleStore);
    }

mockResourceStore and mockArticleStore are two mock objects used to interact with at unit-testing time.
The AJAX event fires correctly, but the component that it would update does not have its model in the expected state. (The production code does work correctly as integration testing can verify it.)

Richard.

Jean-Baptiste Quenot-3 wrote:

* glr:

> I tried using WicketTester with FormTester but I cannot have the
> model  of the  first  DropDownChoice updated  as  a response  to
> making a selection in it.  As a result, when the OnEvent handler
> of the  AjaxFormComponentUpdatingBehavior fires, it looks  as if
> there was no selection in the first DropDownChoice.

Can you please provide a sample  code for your test?  Did you make
use of FormTester.select(String, int)?
--
     Jean-Baptiste Quenot
aka  John Banana   Qwerty
http://caraldi.com/jbq/

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