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LinkedIn Learning

Effective Android Testing for Mobile Developers

via LinkedIn Learning

Overview

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Explore effective testing techniques for Android by walking through an app development workflow where testing is integrated throughout the process.

Syllabus

Introduction
  • Welcome
  • What you should know
  • Using the exercise files
1. Testing Considerations
  • Why test?
  • Types of tests
  • Local vs. on-device
2. Test as You Go
  • The sample app
  • Smallest unit first
  • TDD: Red, Green, Refactor, part 1
  • TDD: Red, Green, Refactor, part 2
  • Code coverage
  • UI-less on-device test: RecipeStore
  • UI-less on-device test: Setup
  • UI-less on-device test: Null test
  • UI-less on-device test: Count test
  • UI-less on-device test: Lookup test
3. UI Testing
  • RecyclerView
  • Showing Recipes in MainActivity
  • RecipeActivity: Layout
  • RecipeAdapter: OnClickListener
  • RecipeActivity: Loading a recipe
  • Vector drawable: Create
  • Vector drawable: Use
  • SharedPreferencesFavorites
  • Favorite: OnClickListener
  • RecipeActivityTest: An espresso test
4. Hermetic Environment
  • Test doubles
  • Dependency injection
  • InMemoryFavorites
  • RecipeApplication
  • TestRecipeApplication
  • CustomTestRunner
  • Test state: Setup
  • Test state: Test
5. Robot Pattern
  • What vs. How
  • ScreenRobot
  • RecipeRobot
  • Clear favorites
  • Separation of concerns
6. Model-View-Presenter
  • Introduction
  • View Interface and Presenter
  • Refactor: Load recipe
  • Refactor: Show error
  • Refactor: Show recipe
  • Refactor: Toggle favorite
  • Mockito: Intro
  • Mockito: Setup
  • Testing with MVP: recipeNotFound()
  • Testing with MVP: Exception
  • Testing with MVP: ArgumentCaptor
  • Summary
Conclusion
  • Next steps

Taught by

Chiu-Ki Chan

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