David's blog

Err and err and err but less and less and less

David's blog

Err and err and err but less and less and less

Unit testing

Don’t unit test JavaBeans

Should unit tests cover JavaBeans just to get a higher code coverage? These days I am working on a payment processing application that exposes its main interface as a SOAP web service. The API requires the client to build a wrapper object that packages the information needed for processing, for instance, a credit-card debit authorization: […]

A unit test that Could. Not. Fail. (but did)

I am now convinced that even the most trivial pieces of code must be unit-tested. Recently I’ve been working on a Java implementation of a building thermal model. A textbook model with thermal nodes and thermal capacities and conductances between them. This is supposed to eventually become part of a generic testing harness for home […]

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