Re: [TFUI] Testing WinForms

Hi,

In my opinion testing if the text reaches the controller, after being  
entered into a textbox, is not very helpful, and it doesn't seem like a  
very useful test to me.

Now testing from the customer's perspective, you should test only from the  
user interface, and have nothing to do with the controller. A test should  
follow the steps of preparing, acting and verifying but all from one  
perspective, and if that's the user perspective then , maybe entering a  
username and a password in a login panel is the preparation and acting is  
clicking the login button, and depending on the data introduced verifying  
is testing whether you've reached the right screen or that you have a  
message box saying that your credentials are wrong. I think that this can  
be very well done using NUnitForms, although I  saw that usually using  
NUnitForms means writing a lot of code (I even wrote something about it:  
http://danbunea.blogspot.com/2005/08/simplifiing-nunitforms-functional.html).

And if you don't want to be testing exclusivly from a customer  
perspective, I think Model View Presenter is a very good choice for TDD  
(http://danbunea.blogspot.com/2005/11/model-view-presenter-is-testing_27.html)

Thanks,
Dan


On Thu, 05 Jan 2006 20:48:23 +0200, Stefan Lieser <[email protected]>  
wrote:

> From: "Tim Haughton" <[email protected]>
>
>> What exactly is it you're trying to test? What aspect of the behaviour?  
>> It
>> may be that you can achieve the desired testing by other methods.
>
> Some examples:
> - Verify that text entered in a TextBox is propagated to underlying
> controller.
> - Verify that controls in a form are enabled/disabled depending on the  
> input
> to other controls.
> - Verify that input to a custom TextBox control is of specified format.
> - Verify that a DataGridView contains the correct data and that entering
> text into cells results in the correct updates to the business domain.
>
> I did most of these things by hand in the last years. But the more you  
> learn
> about automated testing and the more you see your code quality being  
> better
> and better because of TDD, the more you want to automate the GUI tests.
>
> So I will try the SendKeys class...
>
>
> Sincerely,
> Stefan Lieser
>
>
>
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