Join Chiu-Ki Chan for an in-depth discussion in this video Introduction, part of Effective Android Testing for Mobile Developers.
- [Instructor] So far we have written JVM Unit Test,…Instrumentation Unit Test, and Instrumentation UI Test.…We have learned that instrumentation tests are slower to run…because we need to deploy our code to a device.…We can test the part of our app that does not use…any Android class on the JVM,…but if you want to test the UI,…we need Android.…Is there a way to test the UI on the JVM?…Yes.…
We can use the MVP pattern.…MVP stands for Model, View, Presenter.…It is an architecture pattern that…puts an interface in front of your Android UI code,…and puts out all significant logic…to the pure Java side of the interface…in an object called the presenter.…You write JVM unit test to test this presenter,…and mock the interface representing the Android side.…This way, you test all the logic pertaining to changing,…and interacting with the Android UI via the interface…without actually touching Android code.…
And therefore, can run everything on the JVM.…Next, we are going to use…the MVP pattern for our recipe app.…
- 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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