In Robolectric 2.0, now you can even test styles and themes, and can access the system resources.Android SDK has been studied in deep to create classes that allow access to state, attributes and methods of objects that would otherwise be inaccessible.It lets tests run directly in the IDE, without having to launch an emulator, which reduces execution time from minutes to seconds.I will not go into details, you can read all the information at the official Robolectric website, but these are its main features:
However Robolectric has become one of the favourite options among Android developers. There are several Android libraries for unit testing, and even the SDK provides some tools. And this is the goal I want to pursue here.
Unit tests are the basis of test-driven development (TDD) methodology, in which you first develop the test and then the simplest code that validates the test.īut leaving that aside, the fact is that if your code is susceptible to continuous refactoring, unit testing becomes a crucial weapon to ensure that any change in code keeps on validating previous behaviour. That’s why I wanted to start a series of tutorials that will focus on the most standardized mechanisms for Android unit testing nowadays. Unit tests have become an invaluable tool in recent times due to the increasing complexity of coding and new agile methodologies, which keep the code alive during the full development cycle.
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