OpenRasta is opening up to the community

Last Thursday a few of us from 7digital had a meet up with Sebastien Lambla author of OpenRasta. As some of you may know we’re been writing all our new API endpoint using OpenRasta, we have a vested interested in ensuring the success of this project and as such are responding to the rallying cry with gusto. [Read More]

Out of band caching

One of the things we try and do is always keep our site up, sounds simple right? One way to achieve this is to have a good caching policy. Here’s what we do: [Read More]

Double Entry Accounting and TDD

Double-entry bookkeeping system A double-entry bookkeeping system is a set of rules for recording financial information in a financial accounting system in which every transaction or event changes at least two different nominal ledger accounts. At it’s simplest you have two ledgers when you make an account transaction you make an entry in both ledgers. Then at the end of the month you reconcile these two ledgers and they should be the same. Essentially from an accounting point of view we’re saying that by using two different ways of doing something we come to the same answer. Why is the useful from a TDD perspective? [Read More]

Red feature tests are pointless

We’ve spent a lot of time recently on fixing up our automated feature tests (AATs). The problem has been that these failing tests have blinded us to real problems that have crept into live systems. The usual answer is to ‘just run them again’ and eventually they go green. The main problem is our attitude to the tests, we don’t respect them and we don’t listen to them, as such they provide no feedback and are completely pointless. The response to broken feature tests would normally range from the test environment is down, the data is in contention, the database is down etc etc, but never something I’ve done has broken something. So what is the solution? [Read More]

MVC and our interpretation at 7digital

Introduction The following details concepts that have been adopted on the site I’m currently working on. This was born out of a discussion that took place among the devteam at the time. Differences in phraseology and meaning were ironed out to come up the following definitions and responsibilities. [Read More]