[ai-glasses] add in projected unit tests

[trambui09]

Add in ProjectedTestRules coverage, testing:

• basic projected device setup
• projected device disconnection
• empty capabilities

[gemini-code-assist]

Code Review

This pull request introduces testing infrastructure for XR projected features, including new dependencies in the version catalog and a dedicated test class. The reviewer suggested upgrading the Mockito Kotlin version for better compatibility, renaming the test core-ktx dependency to avoid confusion with the standard core-ktx library, and ensuring the test file name matches the class name.

[gemini-code-assist]

The version of mockito-kotlin being added (4.1.0) is quite outdated, released in November 2021. The latest version is 5.3.1. It's highly recommended to use a more recent version to benefit from bug fixes, new features, and improved compatibility with newer Kotlin versions.

Suggested change

	mockitoKotlin = "4.1.0"
	mockitoKotlin = "5.3.1"

[yrezgui]

@trambui09 The version 6.3 is already out, can we switch it here? https://github.com/mockito/mockito-kotlin/releases/tag/v6.3.0

[trambui09]

resolving from conversation. will keep it to "5.3.1"

[gemini-code-assist]

The alias core-ktx for androidx.test:core-ktx can be easily confused with the existing androidx-core-ktx alias for androidx.core:core-ktx. To improve clarity and prevent potential mix-ups, consider a more descriptive name for the test dependency, such as androidx-test-core-ktx.

This would involve:

1. Renaming the version alias on line 48 from coreKtx to something like androidxTestCoreKtx.
2. Renaming this library alias to androidx-test-core-ktx and updating its version.ref.
3. Updating xr/build.gradle.kts to use libs.androidx.test.core.ktx.

[yrezgui]

@trambui09 Can you address this one?

[trambui09]

This has been addressed.

[gemini-code-assist]

The class name is ProjectedFeatureTest, but the file name is ProjectedFeatureTests.kt. According to Kotlin coding conventions, the file name should usually match the name of the top-level class it contains. Consider renaming the file to ProjectedFeatureTest.kt for consistency.

[snippet-bot]

Here is the summary of changes.

You are about to add 3 region tags.

• xr/src/test/java/com/example/xr/projected/ProjectedFeatureTests.kt:39, tag androidxr_projected_test_basic_setup
• xr/src/test/java/com/example/xr/projected/ProjectedFeatureTests.kt:56, tag androidxr_projected_test_device_disconnection
• xr/src/test/java/com/example/xr/projected/ProjectedFeatureTests.kt:68, tag androidxr_projected_test_device_capabilities

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[kkuan2011]

LGTM from snippets repo perspective

[vad710]

Left a few comments in the internal doc. Mostly around null and connection state checks.

[polpetta86]

Hello everyone,

First of all, I'd like to express my appreciation for the outstanding work you have done — it is much valued.

I would like to kindly ask whether it would be possible to provide some basic documentation on the simulator configuration. I have been able to compile the code without issues, however I am unable to obtain any results within the simulator and I believe some configuration steps may be missing on my end.

Thank you in advance for any support you can offer.