Question 1

Is RxPresso still maintained for Android testing?

Accepted Answer

No, the project is explicitly marked as unmaintained with no maintenance intended, so it's not recommended for new projects due to lack of updates and support.

Question 2

How to integrate RxPresso with Dagger2 in Espresso tests?

Accepted Answer

RxPresso requires mocking repositories used by your UI; with Dagger2, you can replace modules in test builds to provide mocked instances, as hinted in the README's setup section.

Question 3

RxPresso vs Mockito alone for UI testing?

Accepted Answer

RxPresso builds on Mockito by adding automatic Espresso synchronization and RxJava integration, making it better for testing Rx-based UIs, but Mockito alone is more general-purpose for unit tests without UI concerns.

Question 4

How to handle errors in UI tests with RxPresso?

Accepted Answer

Use the withEventsFrom method with Observable.error to inject errors, and expect matchers like anyError to verify UI responses, as shown in the README's error injection example.

Question 5

Can I use RxPresso with Kotlin Flow instead of RxJava?

Accepted Answer

No, RxPresso is specifically designed for RxJava observables and does not support Kotlin Coroutines or Flow, limiting its use in modern Kotlin-first Android projects.

Question 6

What are good alternatives to RxPresso for Android testing?

Accepted Answer

Consider using Espresso with custom IdlingResource for synchronization, or libraries like MockK for mocking in Kotlin, but no direct equivalent exists for RxJava-Espresso bridging without the maintenance risks of RxPresso.

rxpresso

What is rxpresso?

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Frequently Asked Questions