Android Testing

What are the 3 types of tests in Android Testing ?

1- Unit Test (@Small Test)

- It is a Test Which Handel small Pices of Code like functions and classes of your business logic
- Recommended technologies: Junit + Mokito

2- Integration Test (@Medium Test)

 - Tests how two components of our App works together like (Viewmodel & Fragments)
 - Recommended technologies: Espresso

3- End To End Test (@Large Test)

 - Test That Check If All Component of Your Application Work Well Together

Test Driven Development TDD

  - Means That We Write Test Cases Before We Implement Function Code (use only with UNIT TEST)

How Can We Write TDD Test ?

1- Write Test Code For Function Which not Created Yet
2- Implement Function Code To Test It 
3- Run Test Code if it Successed Move to Another Test and if it Faild Try To Solve Test Code Or Function 
   And Run Test Again Untill it Work

What You Need To Test in Android Application ?

1- Any Logic Code like ( validation code - mathematical code - Repository Classes)
2- Android Component like (Viewmodel - Room - Dao - Retrofit - Hilt)
3- Test View Of Your App

How Can You Android Component ?

• Room Dao Test