Unit Testing

Breaking Dependencies

Dependencies are one of the biggest challenges to getting legacy code into a test harness. Especially dependencies on…

Refactoring

“Any fool can write code that a computer can understand. Good programmers write code that humans can understand.” — Martin Fowler (1999)

Working Effectively with (Android) Legacy Code

Unit testing XML resources

Is it possible to unit test logic that is tied to loading XML resources?

Testing with OkHttp3 and PowerMock

OkHttp3 and PowerMock are both useful tools on Android but using them together can get you into…

The 3 laws of (Android) TDD

Some people regard discipline as a chore. For me, it is a kind of order…

Mocking BuildConfig values in unit tests

Update (May 1, 2020): This method for mocking BuildConfig values is outdated and should no longer be used. See comments below for an alternate approach using Gradle build flavors.

Custom view attributes

How can we unit test our custom view attributes to ensure they are properly parsed and applied when the view is created?

Kotlin! (part 1)

Unit testing can be a great way to get started using Kotlin for Android.