Introduce tests for WooPosVariationMapper

[malinajirka]

#WOOMOB-1286

Description

Adds unit tests for WooPosVariationMapper.

Note: I decided to initialize an actual Gson instead of mocking it. Since it's a well-tested library, it feels better to have an instance of the class in the tests.

Testing information

Green CI

The tests that have been performed

Green CI

Images/gif

N/A

• I have considered if this change warrants release notes and have added them to RELEASE-NOTES.txt if necessary. Use the "[Internal]" label for non-user-facing changes.

[Copilot]

Pull Request Overview

This PR introduces comprehensive unit tests for the WooPosVariationMapper class, which is responsible for mapping product variation data between different data models in the WooCommerce POS system.

Key Changes:

• Added 41 test cases covering all mapping functions in WooPosVariationMapper
• Tests cover mapping from ProductVariation, WCProductVariationModel, and WooPosVariationEntity to WooPosVariation
• Tests validate name formatting functions for POS display (both getName and getNameForPOS)

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[wpmobilebot]

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

	App Name	WooCommerce-Wear Android
	Platform	⌚️ Wear OS
	Flavor	Jalapeno
	Build Type	Debug
	Commit	cbb5f55
	Direct Download	woocommerce-wear-prototype-build-pr14770-cbb5f55.apk

[wpmobilebot]

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

	App Name	WooCommerce Android
	Platform	📱 Mobile
	Flavor	Jalapeno
	Build Type	Debug
	Commit	cbb5f55
	Direct Download	woocommerce-prototype-build-pr14770-cbb5f55.apk

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 38.34%. Comparing base (d2f63c9) to head (cbb5f55).

Additional details and impacted files

@@             Coverage Diff              @@
##              trunk   #14770      +/-   ##
============================================
+ Coverage     38.28%   38.34%   +0.06%     
- Complexity    10011    10041      +30     
============================================
  Files          2118     2118              
  Lines        118502   118502              
  Branches      15827    15827              
============================================
+ Hits          45364    45443      +79     
+ Misses        68924    68836      -88     
- Partials       4214     4223       +9     

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[samiuelson]

LGTM, thank you!