[BT][Test] Implement BT_SCAN_PAIR test with pairing retries, whitelist, and expect automation #99
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- Renamed existing Bluetooth validation script to bt_on_off for clarity - Added new BT_SCAN_PAIR test: - Supports dynamic BT device name input - Uses bluetoothctl and expect for pairing flow - Includes retry logic for hci0 up, scan, and pairing steps - Performs full scan-pair-cleanup lifecycle - Logs all intermediate steps for better CI debugging - Compatible with POSIX and ShellCheck guidelines Resolves issues in earlier pairing logic and supports robust CI execution with dynamic device handling. Signed-off-by: Srikanth Muppandam <smuppand@qti.qualcomm.com>
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This PR introduces a fully modular and Bluetooth scan and pairing test named BT_SCAN_PAIR for embedded Linux platforms using BlueZ. Key features include:
Modular structure with helper functions in functestlib.sh
Supports device identification via arguments, environment, or bt_device_list.txt
Optional whitelist filtering for MAC address or device name
Automatic retries for pairing in case of busy/in-progress errors
Expect-based automation for interactive pairing via bluetoothctl
Comprehensive cleanup using trap, ensures unpairing and resource cleanup after test (PASS/FAIL/SKIP)
Logs captured: scan.log, pair.log, and summary for debugging