Working with Legacy code #3 : Build a safety net.

Posted by andrewstopford on ASP.net Weblogs See other posts from ASP.net Weblogs or by andrewstopford
Published on Sat, 10 Apr 2010 23:06:00 GMT Indexed on 2010/04/10 23:23 UTC
Read the original article Hit count: 352

Filed under:

General Software Developm

|

Legacy Code

The first port of call in changing legacy code is a safety net, without one your fingers will get burnt. Make your safety net a high level functional test over the major areas of the application. Automate the test, plug it into your CI builds and run it every night. The test should act as a final fail safe as you work.

© ASP.net Weblogs or respective owner

Related posts about General Software Developm

Terminology: Difference between software interface, software component, software unit, software modu

as seen on Stack Overflow - Search for 'Stack Overflow'
I see these terms used quite a lot between various authors, but I can't seem to fix upon definitive definitions. From my POV a software interface is a "type" specifying the way in which a software component may be used by other softare components. But what exactly a software component is I'm not… >>> More
Setting up Mercurial server in IIS7 using a ISAPI module

as seen on ASP.net Weblogs - Search for 'ASP.net Weblogs'
I'm using Twitter. Follow me @matthawley Previously, Jeremy Skinner posted a very thorough guide on setting up Mercurial in IIS. The difference between his guide, and what I'll be walking you through, is how Mercurial is hosted in IIS. Where he shows you using a CGI script that executes python… >>> More
LLBLGen Pro v3.0 has been released!

as seen on ASP.net Weblogs - Search for 'ASP.net Weblogs'
After two years of hard work we released v3.0 of LLBLGen Pro today! V3.0 comes with a completely new designer which has been developed from the ground up for .NET 3.5 and higher. Below I'll briefly mention some highlights of this new release: Entity Framework (v1 & v4) support NHibernate… >>> More
How to find and fix performance problems in ORM powered applications

as seen on ASP.net Weblogs - Search for 'ASP.net Weblogs'
Once in a while we get requests about how to fix performance problems with our framework. As it comes down to following the same steps and looking into the same things every single time, I decided to write a blogpost about it instead, so more people can learn from this and solve performance problems… >>> More
Visual studio add-in

as seen on ASP.net Weblogs - Search for 'ASP.net Weblogs'
I was looking for a add in which could help to file the filename and found following few links for add-in All Visual Studio gallery http://www.visualstudiogallery.com Do you have any recommended add-ons/plug-in for Microsoft Visual Studio? http://stackoverflow.com/questions/2767/do-you-have-any-recommended-add-ons-plugins-for-microsoft-visual-studio… >>> More

Related posts about Legacy Code

Soapi.CS : A fully relational fluent .NET Stack Exchange API client library

as seen on Stackapps - Search for 'Stackapps'
Soapi.CS for .Net / Silverlight / Windows Phone 7 / Mono as easy as breathing...: var context = new ApiContext(apiKey).Initialize(false); Question thisPost = context.Official .StackApps .Questions.ById(386) .WithComments(true) .First(); Console.WriteLine(thisPost.Title); thisPost … >>> More
Super Joybox 5 HID 0925:8884 not recognized as joystick in Ubuntu 12.04 LTS

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
Problem: When using the "Super JoyBox 5" 4 port playstation 2 to USB adapter, the device is not recognized as a joystick. there is no js0 created, but instead another input eventX and mouseX are created in /dev/input. When using the directional buttons (up down left right) on a Playstation 1 controller… >>> More
A scripting language for legacy hardware

as seen on Super User - Search for 'Super User'
I want to pick up a scripting language for real legacy hardware. It must be compilable for 16-bit. What may suffice? >>> More
VS 2012 Code Review – Before Check In OR After Check In?

as seen on Geeks with Blogs - Search for 'Geeks with Blogs'
“Is Code Review Important and Effective?” There is a consensus across the industry that code review is an effective and practical way to collar code inconsistency and possible defects early in the software development life cycle. Among others some of the advantages of code reviews are, Bugs… >>> More
Code Golf: Code 39 Bar Code

as seen on Stack Overflow - Search for 'Stack Overflow'
The challenge The shortest code by character count to draw an ASCII representation of a Code 39 bar code. Wikipedia article about Code 39: http://en.wikipedia.org/wiki/Code_39 Input The input will be a string of legal characters for Code 39 bar codes. This means 43 characters are valid: 0-9… >>> More