- [Voiceover] Let's add a new test method…for the case where recipe is already a favorite.…Go back to recipe activity test, you can do that…by pressing command o, and search…for recipe activity test.…Scroll down.…You will need to launch the activity, just like…in click to favorite.…So let's extract that into a helper method.…Highlight line fifty three through fifty five.…Right click, refactor, extract, method.…
We will call it launch recipe.…Press okay.…In launch recipe, we will add a parameter called ID.…String ID, and then we will use the ID instead…of creamed carrots in the put extra…in line sixty four.…Now, in line fifty three, it is unhappy,…because now launch recipe takes a parameter.…We are going to go ahead and add it,…but this time we'll define it as a constant.…
The reason why we want it to be a constant is…because we will reuse that in another test method.…We will call this constant carrots underscore ID.…Press alt enter to create a constant field.…Make sure that it actually matches the ID.…So to be completely sure, what you can do is…
Author
Released
8/30/2017- Why test?
- Local vs. on-device
- Code coverage
- UI testing
- RecyclerView
- Hermetic environment
- Dependency injection
- Testing with MVP
Skill Level Intermediate
Duration
Views
Related Courses
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Android App Development: Data Persistence Libraries
with Annyce Davis4h 52m Intermediate
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Introduction
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Welcome1m
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1. Testing Considerations
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Why test?1m 10s
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Types of tests1m 10s
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Local vs. on-device4m 54s
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2. Test as You Go
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The sample app1m 32s
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Smallest unit first2m 20s
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Code coverage5m 20s
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3. UI Testing
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RecyclerView7m
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RecipeActivity: Layout2m 38s
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Vector drawable: Create3m 7s
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Vector drawable: Use2m 8s
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SharedPreferencesFavorites5m 22s
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Favorite: OnClickListener1m 40s
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4. Hermetic Environment
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Test doubles2m 10s
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Dependency injection1m 3s
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InMemoryFavorites4m 30s
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RecipeApplication3m 18s
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TestRecipeApplication1m 51s
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CustomTestRunner2m 26s
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Test state: Setup2m 17s
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Test state: Test3m 47s
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5. Robot Pattern
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What vs. How56s
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ScreenRobot3m 4s
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RecipeRobot6m 12s
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Clear favorites6m 55s
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Separation of concerns1m 40s
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6. Model-View-Presenter
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Introduction1m 19s
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Refactor: Load recipe2m 58s
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Refactor: Show error6m 1s
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Refactor: Show recipe7m 6s
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Refactor: Toggle favorite3m 31s
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Mockito: Intro1m 18s
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Mockito: Setup4m 29s
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Testing with MVP: Exception2m 26s
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Summary1m 14s
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Conclusion
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Next steps23s
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Video: Test state: Test