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Unit Testing Code which Consumes SOAP Services
One of the trickiest aspects of unit testing or Test Driving an application's code is testing those parts of the system which depend on an external system, such as a database or a SOAP service.
In this post I'll outline an approach to testing a class which happens to communicate with a third-party SOAP service using PHP's built-in SoapClient class. Hopefully, the principles involved will be applicable to the more general case of testing code which relies on an external system.
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JsUnit
Just a quick post to mention that, yes, my commitment to TDD show no signs of abating, especially in the face of the various unfamiliar technologies with which I've been working recently.
Today I came across JsUnit. Which may be old news to many, but I don't stray into JavaScript territory very often, and when I do, I'm usually quite frightened!
And how do developers reduce fear? Yup, we write some tests.
JsUnit has a nice UI, has maybe a 5 minute install/learning curve for anyone familiar with xUnits and just works. The only downsides I've found so far are that i) it doesn't work with my adored Opera and ii) some of the debugging messages are written in the sort of cryptic, broken English that suggests that the contributions of a native speaker might be welcome here.
Anyway, long story short, it's nice to know that even in the dark, dark world of client-side scripting, the gospel is spreading.