Unit Testing WinJS: First Steps

N.B. If you don’t know anything about WinJS, take a moment to peruse this primer. Also, the context of this post is the p&p Hilo project.

One of the first questions we’ve been struggling with is how to best test a WinJS app. (I’m going to use the term “unit test” somewhat loosely. Some of our tests would technically be classified as “integration tests”.)
Where to run the tests

Our first barrier to unit testing a WinJS app was finding a convenient way to run the tests. The primary difficulty is that the WinRT APIs are only available in the context of a Windows 8 app (and that’s also practicially the case for WinJS as well). So if your tests need to touch either one, the only choice you currently have is to run the tests inside a Windows 8 app..

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