15. Testing Lesson Summary

The final code for the entire three codelabs is here.

This is a simplified version of the tests found in the Official Testing Sample. If you want to see more tests, or check out more advanced testing techniques (such as using a sharedTest folder), take a look at that sample.

More testing resources

Samples:

• Official Testing Sample
• Sunflower demo - This is the main Android Jetpack sample which also makes use of the Android testing libraries
• Espresso testing samples

Android developer documentation:

• Guide to app architecture
• AndroidX Test Library
• AndroidX Architecture Components Core Test Library
• Hamcrest
• Robolectric Testing library
• Source sets
• Test from the command line
• Dependency Injection on Android
• Mockito
• FragmentScenario
• Test your activities
• runBlocking and runBlockingTest
• TestCoroutineDispatcher
• Espresso
• Mockito
• JUnit4
• Test Navigation
• Testing your workers - a guide to testing WorkManager
• Firebase Test Lab - cloud testing infrastructure

Videos:

• Build Testable Apps for Android (Google I/O'19)
• Testing Coroutines on Android (Android Dev Summit '19)
• Fragments: Past, Present, and Future (Android Dev Summit '19) - Testing and Fragments section
• An Opinionated Guide to Dependency Injection on Android (Android Dev Summit '19)

Other:

• Unit-testing LiveData and other common observability problems
• Testing on the Toilet: Know Your Test Doubles
• Using Dagger in your Android App Codelab Tutorial
• Dependency Injection Guidance on Android — ADS 2019
• Dagger in Kotlin: Gotchas and Optimizations
• Dagger.dev
• Easy Coroutines in Android: viewModelScope
• Testing two consecutive LiveData emissions in Coroutines
• Android testing with Espresso’s Idling Resources and testing fidelity
• Test Room migrations