Web Testing with Telerik

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Web Testing with Telerik

Postby Kahuna » Wed Dec 05, 2012 11:35 am

Hi Folks

We are in desperate need of some testing tools and in my research I came across the Telerik Test Studio. Not sure if this is applicable to a Web Client version of a Servoy Solution so wondered if anyone has experience of it and it's possible use in Servoy solution testing?

It suggests that it works on a number of different application types including AJAX and HTML5.

Appreciate any feedback.
(Servoy Version: 6.0.7 Win XP / 7 - SQL Server 2008 R2)
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Re: Web Testing with Telerik

Postby david » Wed Dec 05, 2012 6:49 pm

Are you looking to test for performance or functionality?
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Re: Web Testing with Telerik

Postby Kahuna » Thu Dec 06, 2012 11:06 am

david wrote:Are you looking to test for performance or functionality?


We are really looking for both David. We are researching how our data performance can best be tested (currently using tools built into MS Management Studio - which work well but are laborious) and user functionality and performance.

I believe that our solution is rather complex and we are now so far down the line with it that unit testing would be a difficult retro-fit, hence we are looking at anything and everything that would allow us to build a test suite and have it run regularly during bug fix and extension coding.

Do you have any suggestions David - feedback always valued!
(Servoy Version: 6.0.7 Win XP / 7 - SQL Server 2008 R2)
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Re: Web Testing with Telerik

Postby david » Thu Dec 06, 2012 7:09 pm

Three types of testing:

#1 knowing what you're looking for and then go looking for it
#2 throwing the kitchen sink at something hoping whatever is wrong will pop up with a red flag painted across its chest
#3 you think you have found an issue but you don't know why it's an issue so you're not sure it's an issue...go to #2

Testing is a process. Testing requires extensive knowledge of inner workings of things. Testing takes a lot of time. Testing requires a strategy that is integrated with your development process.

With all that said, if you know what you're looking for and you have a clear idea of how you're code changes might screw something up -- then simple clicking through your solution by hand and watching a few log files does the trick. We have this philosophy when we test this way: put the evil spastic monkey hat on and do our best to break something.

Tools by themselves are not a magic bullet but they can help automate the evil spastic monkey. For GUI apps, we use:

- Selenium (http://seleniumhq.org/)

For web performance:

- ping
- Speed Tracer (https://developers.google.com/web-toolkit/speedtracer/)
- resources, profiles, and audits tabs of Chrome developer tools

Logs:

- Servoy performance and error logs
- Database query and caching logs

Knowing what to look for smart client:

- write up we did years ago: viewtopic.php?f=22&t=12810&st=0&sk=t&sd=a&hilit=speed&start=15#p65469

Knowing what to look for web client. We could probably write a book on this one too (we were the ones that found the glaring web speed issues with 6.1) but some tips for now:

- keep ping time to the server at 50ms or less. anything more starts to impact client performance
- hack servoy's blocking cursor (http://www.servoymagazine.com/home/2012 ... ation.html). Huge impact on perceived client performance. 6.1.3 has a new hour-glass setting I think that does the same thing but not sure if it follows the mouse around like ours does
- paged grids vs scrolling grids: we like the user friendly-ness of scrolling grids but they are still a work in progress so can be a bit quirky. with 6.1.3 they are usable. if you don't want any quirkiness, use paged grids
- everything runs on the server with web client...single threaded by default! if you trigger a long running method, it will block the client UI. Use headless client plugin if you can in these situations (ex: compiling a report)
- use css3 instead of images for all gradients, rounded corners, etc
- put default styles in the servoy server root alla harjo's alternate css (https://www.servoyforge.net/projects/servoy-default-css)
- use even, odd, selected classes for row background coloring instead of rowbgcalcs
- use onRender event instead of rowbgcalcs
- pro tip: form onShow remove all graphics using solution model (set image media to null), add in a style class that pulls image from a sprite residing on the server and part of the harjo css (or a swc wrapper in our case). Servoy sends each image down the wire individually and this technique completely takes all that noise out of the picture. Maybe I'll write this one up sometime.
- get friendly with WebClientUtils plugin. Do things client-side when it makes sense.

Expectations:

- Servoy web client technology is all about development flexibility. Extreme speed is not its strong suit. With that said, we're getting some decent results speed-wise with very complex GUI solutions.
- note that some of the smart client gotchas are the same for web client. If you show a grid with several columns of calculations that reference related data...you get the picture. Instead, grab all the data in one shot with a sql query and push the resulting dataset into a foundset and then into the grid.

Off the top of my head brain dump for now. We've been hard-core testing web client since Servoy 6.1RC's last Spring so if you need an extra pair of eyes...we can spot issues pretty fast now. Cheers.
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Re: Web Testing with Telerik

Postby Kahuna » Fri Dec 07, 2012 2:40 pm

Brilliant as usual David.

We are trying to get our 'ducks in a row' and get some principles in place. This feedback is fantastic and gives us some further models to consider. Cheers for that David.

The Telerik thing looks quite good for UI testing but I was not really sure how it interfaces with Servoy. We have in any case, decided our first task is to get a robust functional model of the solution in place first and we have already started to split out a bunch of important functionality and modularise it with it's own API.

We will role a number of your suggestions into whatever processes we implement. I'd like to hear more about your pro-tip though?
(Servoy Version: 6.0.7 Win XP / 7 - SQL Server 2008 R2)
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Re: Web Testing with Telerik

Postby david » Sat Dec 08, 2012 10:33 pm

Kahuna wrote:we have already started to split out a bunch of important functionality and modularise it with it's own API.


API driven development. I like :)
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