[JarbasAl]

Summary

• test/audio-utils.bats: 28 bats-core tests that source lib/audio-utils.sh with mocked commands (PATH-prepended stubs in test/stubs/, canned output in test/fixtures/):
  • aplay -l parsing: card lookup, USB picking (single / multiple-last-wins-with-warning / none)
  • fallback priority ordering, one test per tier: USB > HAT > headphones (bcm2835) > HDMI, plus the no-card error path
  • wpctl parsing: sink ID listing (incl. the * default marker), card-index→sink-ID mapping, node.name lookup incl. rc-1 miss
  • pactl parsing: card-index→sink-name mapping incl. "Card index not found", virtual-sink exclusion
  • udev env extraction (DEVPATH/DEVNAME/absent) and i2c_platform hint handling
  • detect_sound_server in a controlled PATH: running-server preference, install fallbacks, and the graceful no-server error path
• .github/workflows/test.yml: runs bats test/ on ubuntu-latest (apt bats).

Injected-defect proof

Deliberately swapping the headphones/HDMI tiers inside select_fallback_card makes tests 8 ("headphones win when only onboard cards are present") and 9 ("HDMI is the last resort") fail; restoring the lib returns the suite to 28/28 green. The suite genuinely pins the priority order.

🤖 Generated with Claude Code

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ef9288ab-3b6d-4bf0-8b1a-2c2d7abb78b9

📥 Commits

Reviewing files that changed from the base of the PR and between 2c185fd and 6b4f686.

📒 Files selected for processing (16)

• .github/workflows/test.yml
• test/audio-utils.bats
• test/fixtures/aplay_all_cards.txt
• test/fixtures/aplay_hat_only.txt
• test/fixtures/aplay_hdmi_only.txt
• test/fixtures/aplay_none.txt
• test/fixtures/aplay_onboard_only.txt
• test/fixtures/aplay_two_usb.txt
• test/fixtures/pactl_list_sinks.txt
• test/fixtures/pactl_short_sinks.txt
• test/fixtures/wpctl_inspect_50.txt
• test/fixtures/wpctl_inspect_55.txt
• test/fixtures/wpctl_status.txt
• test/stubs/aplay
• test/stubs/pactl
• test/stubs/wpctl

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/bats-tests

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