:libs:processors annotation processing unit test

[wzieba]

Description

This PR adds a unit test for RemoteConfigProcessor. It'll be useful to validate the correctness of ksp migration.

Context

In #20213 I hesitate with adding unit test for main processing logic, RemoteConfigProcessor class, due to the cyclic dependency on AppConfig class.

Fortunately, I was able to overcome this by providing a fake AppConfig class to sources of test compilation.

To Test

Not needed, CI check is fine.

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Regression Notes

1. Potential unintended areas of impact

   • None

2. What I did to test those areas of impact (or what existing automated tests I relied on)

   • Unit

3. What automated tests I added (or what prevented me from doing so)

   • Unit

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PR Submission Checklist:

• I have completed the Regression Notes.
• I have considered adding accessibility improvements for my changes.
• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

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Testing Checklist:

• WordPress.com sites and self-hosted Jetpack sites.
• Portrait and landscape orientations.
• Light and dark modes.
• Fonts: Larger, smaller and bold text.
• High contrast.
• Talkback.
• Languages with large words or with letters/accents not frequently used in English.
• Right-to-left languages. (Even if translation isn’t complete, formatting should still respect the right-to-left layout)
• Large and small screen sizes. (Tablet and smaller phones)
• Multi-tasking: Split screen and Pop-up view. (Android 10 or higher)

[wzieba]

hi @antonis 👋 as you reviewed #20213 , would you mind checking this PR as well? 🙂

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr20227-305cf90
	Commit	305cf90
	Direct Download	jetpack-prototype-build-pr20227-305cf90.apk

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[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr20227-305cf90
	Commit	305cf90
	Direct Download	wordpress-prototype-build-pr20227-305cf90.apk

Note: Google Login is not supported on these builds.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (72e7db7) 40.32% compared to head (305cf90) 40.37%.
Report is 2 commits behind head on trunk.

Additional details and impacted files

@@            Coverage Diff             @@
##            trunk   #20227      +/-   ##
==========================================
+ Coverage   40.32%   40.37%   +0.05%     
==========================================
  Files        1469     1469              
  Lines       67687    67687              
  Branches    11211    11211              
==========================================
+ Hits        27292    27326      +34     
+ Misses      37901    37861      -40     
- Partials     2494     2500       +6     

☔ View full report in Codecov by Sentry.
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[antonis]

Thank you for adding the extra tests @wzieba 🙇

Fortunately, I was able to overcome this by providing a fake AppConfig class to sources of test compilation.

Awesome 🏅
The tests LGTM 🎉