Re: Load test dll dynamically at runtime

Hi Grishma, 

> Thanks Charlie for the quick response.. 
> 
> I think I did a bad job at specifying the problem. I want to 
> automatically launch the nunit.exe, load the dll 
> programmatically and run it (without user intervention like 
> selecting the assembly from the file menu). I agree that 
> multiple dlls can be loaded and executed, but from all the 
> dlls present only one dll is to be loaded and executed at a 
> time (as per user's choice done initially during 
> configuration. This can be in an XML file for Nunit to 
> automatically read, load the corresponding dll and run). At a 
> time only one dll is running. I do not want to show the other 
> dlls as it would seem that all dlls can be run one after the 
> other which is not possible. 
> 
> Could you point me to any specific API's from the Nunit dll 
> like nunit.core or something whose methods can help me 
> achieve this functionality. 

OK... I think I understand better now. The question of language
is that "nunit.exe" indicates running the gui, which allows
user interaction. I am now understanding that you don't really
want to run the gui, but would simply like to load and run
the core of nunit "headless" - without any gui. Is that right?

There are apis you can use, but I want to be sure I understand
the objective first.

> Another approach that I was trying was to combine all the 
> test dll methods into one dll having different test suites. 
> This can be loaded in nunit.exe and the part I got stuck on  
> was how to include or exclude certain test suite without 
> restarting the nunit.exe. Restarting is not an option coz it 
> will lead to delays while exiting and loading the dll again. 

This is a bit confusing. NUnit already does this. There is no
need to restart it or reload any dlls in order to change what
tests are selected.

> I hope you getting the essence here. My aim is to achieve as 
> much automation possible. 

It may be helpful if you can back away from your solution to
explain for us what problem you are trying to solve. I think
we're making some assumptions that don't match what you
want to do.

Charlie

> Thanks in advance, 
> 
> Regards,
> Grishma Khandwalla 
> 
> 
> 
> 
> "Charlie Poole" <[email protected]> 
> Sent by: [email protected] 
> 
> 08/25/2008 10:43 PM 
> 
> 	
> To
> 	<[email protected]>, 
> <[email protected]> 
> cc
> 	
> Subject
> 	Re: [Nunit-users] Load test dll dynamically at runtime
> 
> 	
> 
> 
> 
> 
> Of course, I may not have understood your question, but it 
> seems that NUnit 
> already does what you want. 
>   
> The user can use File | Open to navigate to a particular 
> assembly and open it. 
>   
> Dlls are closed from the menu or when loading a new one. 
>   
> NUnit also supports loading multiple dlls. 
>   
> If I misunderstood, please try again. :-) 
>   
> Charlie 
> 
> 
> ________________________________
> 
> From: [email protected] 
> [mailto:[email protected]] On Behalf 
> Of [email protected]
> Sent: Monday, August 25, 2008 6:20 AM
> To: [email protected]
> Subject: [Nunit-users] Load test dll dynamically at runtime
> 
> 
> 
> Hi, 
> 
> I am using Nunit 2.4.7. I have many .dll files which contain 
> a number of test cases. I was trying to develop an 
> application which would allow the user to choose the .dll 
> file whose test cases are then executed. 
> 
> I am using the Nunit GUI, which is instantiated when the 
> application is initialized. I was wondering if there is any 
> option to unload the current dll from the nunit.exe and load 
> the new dll (selected by the user) into the same nunit.exe? 
> (without using the manual intervention). I specifically do 
> not want to close the GUI and open it again. Nor can multiple 
> .exe files can be invoked. 
> 
> I was playing around the idea of combining all the test cases 
> across multiple dlls into a single dll, but again I have no 
> leads on how to dynamically mask and unmask certain suite of 
> test cases without restarting the Nunit exe. 
> 
> Any help would be appreciated, 
> 
> Regards, 
> Grishma Khandwalla 
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