fn test_key_id_formats()

in src/utils/eif_signer.rs [481:494]

• 13 lines of code
• 2 McCabe index (conditional complexity)

    fn test_key_id_formats() {
        let valid_key_ids = vec![
            "1234abcd-12ab-34cd-56ef-1234567890ab", // UUID format
            "abcd1234",                             // Short format
            "12345678-1234-1234-1234-123456789012", // Another UUID format
            "a1b2c3d4-e5f6",                        // Partial UUID format
        ];

        for key_id in valid_key_ids {
            let arn = format!("arn:aws:kms:us-east-1:123456789012:key/{}", key_id);
            let (_, captured_id) = parse_kms_arn(&arn).expect("Should match valid key ID");
            assert_eq!(captured_id, key_id);
        }
    }