Course Objective:

To provide an introduction to UI testing on android with Espresso, Mockk and some of the most useful test classes in androidx.test.

Target Audience:

Complete beginners when it comes to UI testing. There is no required knowledge.

What you'll learn:

• Kotlin
• Testing Activities in Isolation:
  
  1. ActivityScenario
  2. ActivityScenarioRule
• Activity Navigation:
  
  1. Intents and startActivity
  2. Back navigation
• Test Suites:
  
  1. Running multiple test classes in a suite
• Firebase Test Lab:
  
  1. Run UI tests on hundreds of virtual devices using Firebase Test Lab
• Testing Fragments in Isolation:
  
  1. FragmentScenario
  2. launchInContainer
  3. FragmentFactory
• Fragment Navigation:
  
  1. Testing fragment transactions
  2. Fragment transactions with FragmentFactory
• Mockk (Mockk.io):
  
  1. Mocking dependencies
  2. Constructor injection (no dagger)
• Intents:
  
  1. IntentsTestRule
  2. Retrieving activity results
  3. Choosing image from gallery
  4. Capturing an image with camera
• Dialogs:
  
  1. Material Dialogs (Library)
  2. Is dialog visible?
  3. Capturing input from user
• Toasts:
  
  1. Is toast visible?
• RecyclerView:
  
  1. Scrolling to list item
  2. Clicking list items
  3. List item verification
• Espresso Idling Resource:
  
  1. Required for background work
• Creating Custom Test Rules:
  
  1. TestRule
  2. TestWatcher

Github repo: Source code