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;;; test-video-audio-recording--parse-pactl-sinks-verbose.el --- Tests for verbose pactl sinks parser -*- lexical-binding: t; -*-
;;; Commentary:
;; Unit tests for cj/recording--parse-pactl-sinks-verbose.
;; Parses the verbose output of `pactl list sinks' into structured tuples
;; of (name description mute state).
;;; Code:
(require 'ert)
;; Stub dependencies before loading the module
(defvar cj/custom-keymap (make-sparse-keymap)
"Stub keymap for testing.")
(require 'video-audio-recording)
;;; Helper
(defvar test-sinks--dir
(file-name-directory (or load-file-name
(locate-library "test-video-audio-recording--parse-pactl-sinks-verbose")))
"Directory containing this test file.")
(defun test-sinks--fixture (filename)
"Read fixture FILENAME from tests/fixtures/ directory."
(let ((path (expand-file-name (concat "fixtures/" filename) test-sinks--dir)))
(with-temp-buffer
(insert-file-contents path)
(buffer-string))))
;;; Normal Cases
(ert-deftest test-parse-pactl-sinks-verbose-normal-multiple-sinks ()
"Test parsing multiple sink entries from fixture."
(let* ((output (test-sinks--fixture "pactl-sinks-verbose-normal.txt"))
(result (cj/recording--parse-pactl-sinks-verbose output)))
(should (= 3 (length result)))
(should (equal "alsa_output.usb-JDS_Labs-00.analog-stereo" (nth 0 (nth 0 result))))
(should (equal "JDS Labs Element IV Analog Stereo" (nth 1 (nth 0 result))))
(should (equal "no" (nth 2 (nth 0 result))))
(should (equal "RUNNING" (nth 3 (nth 0 result))))))
(ert-deftest test-parse-pactl-sinks-verbose-normal-single-sink ()
"Test parsing a single sink entry."
(let* ((output "Sink #65\n\tState: SUSPENDED\n\tName: alsa_output.usb-JDS-00.analog-stereo\n\tDescription: JDS Labs Element IV\n\tMute: no\n")
(result (cj/recording--parse-pactl-sinks-verbose output)))
(should (= 1 (length result)))
(should (equal "alsa_output.usb-JDS-00.analog-stereo" (nth 0 (car result))))
(should (equal "JDS Labs Element IV" (nth 1 (car result))))
(should (equal "no" (nth 2 (car result))))
(should (equal "SUSPENDED" (nth 3 (car result))))))
(ert-deftest test-parse-pactl-sinks-verbose-normal-muted-sink ()
"Test that muted sinks are parsed (filtering is done by caller)."
(let* ((output (test-sinks--fixture "pactl-sinks-verbose-muted.txt"))
(result (cj/recording--parse-pactl-sinks-verbose output)))
(should (= 3 (length result)))
;; Second sink is muted
(should (equal "yes" (nth 2 (nth 1 result))))))
;;; Boundary Cases
(ert-deftest test-parse-pactl-sinks-verbose-boundary-empty-input ()
"Test that empty input returns empty list."
(should (null (cj/recording--parse-pactl-sinks-verbose ""))))
(ert-deftest test-parse-pactl-sinks-verbose-boundary-extra-fields ()
"Test that extra fields between sinks are ignored."
(let* ((output (concat "Sink #65\n\tState: IDLE\n\tName: sink-a\n\tDescription: Sink A\n\tMute: no\n"
"\tDriver: PipeWire\n\tSample Specification: s16le 2ch 48000Hz\n"
"Sink #66\n\tState: SUSPENDED\n\tName: sink-b\n\tDescription: Sink B\n\tMute: no\n"))
(result (cj/recording--parse-pactl-sinks-verbose output)))
(should (= 2 (length result)))
(should (equal "sink-a" (nth 0 (car result))))
(should (equal "sink-b" (nth 0 (cadr result))))))
(ert-deftest test-parse-pactl-sinks-verbose-boundary-description-with-parens ()
"Test descriptions containing parentheses are captured fully."
(let* ((output "Sink #91\n\tState: SUSPENDED\n\tName: hdmi-output\n\tDescription: Radeon (HDMI 2) Output\n\tMute: no\n")
(result (cj/recording--parse-pactl-sinks-verbose output)))
(should (equal "Radeon (HDMI 2) Output" (nth 1 (car result))))))
;;; Error Cases
(ert-deftest test-parse-pactl-sinks-verbose-error-malformed-no-name ()
"Test that sink entries without Name field are skipped."
(let* ((output "Sink #65\n\tState: SUSPENDED\n\tDescription: Orphan\n\tMute: no\n")
(result (cj/recording--parse-pactl-sinks-verbose output)))
(should (null result))))
(provide 'test-video-audio-recording--parse-pactl-sinks-verbose)
;;; test-video-audio-recording--parse-pactl-sinks-verbose.el ends here
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