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;;; test-video-audio-recording--build-audio-command.el --- Tests for audio command builder -*- lexical-binding: t; -*-
;;; Commentary:
;; Unit tests for cj/recording--build-audio-command.
;; Verifies correct ffmpeg command construction for audio-only recording
;; (mic + system monitor mixed to M4A/AAC), including shell quoting of
;; device names and output paths.
;;; Code:
(require 'ert)
;; Stub dependencies before loading the module
(defvar cj/custom-keymap (make-sparse-keymap)
"Stub keymap for testing.")
(require 'video-audio-recording)
;;; Normal Cases
(ert-deftest test-video-audio-recording--build-audio-command-normal-uses-ffmpeg-pulse ()
"Normal: audio command uses ffmpeg with two PulseAudio inputs mixed to AAC."
(let ((cj/recording-mic-boost 2.0)
(cj/recording-system-volume 1.0))
(let ((cmd (cj/recording--build-audio-command "mic" "sys" "/tmp/out.m4a")))
(should (string-match-p "ffmpeg" cmd))
(should (string-match-p "-f pulse -i" cmd))
(should (string-match-p "amix=inputs=2" cmd))
(should (string-match-p "-c:a aac" cmd)))))
(ert-deftest test-video-audio-recording--build-audio-command-normal-devices-in-command ()
"Normal: both mic and system device names appear in the command."
(let ((cj/recording-mic-boost 1.0)
(cj/recording-system-volume 1.0))
(let ((cmd (cj/recording--build-audio-command
"alsa_input.usb-Jabra-00.mono"
"alsa_output.usb-JDS-00.monitor"
"/tmp/out.m4a")))
(should (string-match-p "alsa_input.usb-Jabra-00.mono" cmd))
(should (string-match-p "alsa_output.usb-JDS-00.monitor" cmd)))))
(ert-deftest test-video-audio-recording--build-audio-command-normal-volume-in-filter ()
"Normal: volume settings appear in the filter_complex expression."
(let ((cj/recording-mic-boost 1.5)
(cj/recording-system-volume 0.7))
(let ((cmd (cj/recording--build-audio-command "mic" "sys" "/tmp/out.m4a")))
(should (string-match-p "volume=1\\.5" cmd))
(should (string-match-p "volume=0\\.7" cmd)))))
;;; Boundary Cases
(ert-deftest test-video-audio-recording--build-audio-command-boundary-device-quoted ()
"Boundary: device names with spaces are shell-quoted."
(let ((cj/recording-mic-boost 1.0)
(cj/recording-system-volume 1.0))
(let ((cmd (cj/recording--build-audio-command
"device with spaces" "sys" "/tmp/out.m4a")))
(should (string-match-p "device\\\\ with\\\\ spaces" cmd)))))
(ert-deftest test-video-audio-recording--build-audio-command-boundary-filename-quoted ()
"Boundary: output filename with spaces is shell-quoted."
(let ((cj/recording-mic-boost 1.0)
(cj/recording-system-volume 1.0))
(let ((cmd (cj/recording--build-audio-command
"mic" "sys" "/tmp/my recording.m4a")))
(should (string-match-p "my\\\\ recording\\.m4a" cmd)))))
(ert-deftest test-video-audio-recording--build-audio-command-boundary-zero-volume ()
"Boundary: zero volume values produce 0.0 in the command."
(let ((cj/recording-mic-boost 0.0)
(cj/recording-system-volume 0.0))
(let ((cmd (cj/recording--build-audio-command "mic" "sys" "/tmp/out.m4a")))
(should (string-match-p "volume=0\\.0" cmd)))))
(provide 'test-video-audio-recording--build-audio-command)
;;; test-video-audio-recording--build-audio-command.el ends here
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