- [Instructor] Wait, we did all that…just to have to add work exactly the same?…What's the point?…Remember, we are trying to isolate the presenter…from Android classes so that we can test it…on the JVM which is much faster.…So, let's test the presenter.…Put your cursor on the class name,…press CMD + SHIFT + T to create a new test.…Press Okay, and then instead of putting it…in the Android test folder,…we're going to put it in the test folder…because we want to run it on the JVM.…
Press OK.…Go back to the presenter.…To test the presenter we will need to create one.…That requires a recipe store, the view contract,…and also favorites.…Instead of passing its actual implementations,…we are going to stub them.…What is a stub?…A stub is a kind of test double…just like the one we used in the Espresso module.…There, we used an in memory favorite…in place of shared preferences favorite.…
Here, we are going to use the Mockito library…to stub the dependency for our presenter.…So let's do that next.…
- Why test?
- Local vs. on-device
- Code coverage
- UI testing
- Hermetic environment
- Dependency injection
- Testing with MVP
Skill Level Intermediate
1. Testing Considerations
2. Test as You Go
3. UI Testing
4. Hermetic Environment
5. Robot Pattern
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