Join Chiu-Ki Chan for an in-depth discussion in this video UI-less on-device test: Null test, part of Effective Android Testing for Mobile Developers.
- [Instructor] To test recipe store dot Java,…go to the file and then put your cursor…in the name of the class and press command shift T…to generate a new test.…Press okay, and choose Android test because we will need…to use the Android context in this test.…Press okay.…First, let's test the null case.…Press command N to generate a test method.…
Choose J Unit four and then we will call it null directory.…Remove the throws Exception line…and then first, we need a context…so that we can pass it to the recipe store.…Context context equal instrumentation registry…and then you do dot.…You can see that there are two functions,…both returning context.…One is get context, and the other one is get target context.…
Make sure you choose get target context…which returns the context for the app.…Get context, on the other hand,…returns the context for the test.…We will use the context from the app…because we are going to be testing…the recipes that is bundled within the app.…Create a recipe store with this context…and null as the directory.…
- 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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