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;;; test-video-audio-recording--get-default-sink-monitor.el --- Tests for default sink monitor -*- lexical-binding: t; -*-
;;; Commentary:
;; Unit tests for cj/recording--get-default-sink-monitor.
;; This function returns the monitor source name for the default audio
;; output, which captures "what you hear" (call audio, music, etc.).
;;; 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--get-default-sink-monitor-normal-appends-monitor ()
"Test that .monitor is appended to the default sink name."
(cl-letf (((symbol-function 'shell-command-to-string)
(lambda (_cmd) "alsa_output.usb-JDS_Labs-00.analog-stereo\n")))
(should (equal "alsa_output.usb-JDS_Labs-00.analog-stereo.monitor"
(cj/recording--get-default-sink-monitor)))))
(ert-deftest test-video-audio-recording--get-default-sink-monitor-normal-trims-whitespace ()
"Test that trailing whitespace/newlines are stripped from sink name."
(cl-letf (((symbol-function 'shell-command-to-string)
(lambda (_cmd) " alsa_output.pci-0000.analog-stereo \n")))
(should (equal "alsa_output.pci-0000.analog-stereo.monitor"
(cj/recording--get-default-sink-monitor)))))
(ert-deftest test-video-audio-recording--get-default-sink-monitor-normal-bluetooth-sink ()
"Test with a bluetooth default sink."
(cl-letf (((symbol-function 'shell-command-to-string)
(lambda (_cmd) "bluez_output.AA_BB_CC_DD_EE_FF.a2dp-sink\n")))
(should (equal "bluez_output.AA_BB_CC_DD_EE_FF.a2dp-sink.monitor"
(cj/recording--get-default-sink-monitor)))))
;;; Error Cases
(ert-deftest test-video-audio-recording--get-default-sink-monitor-error-empty-output ()
"Test that empty pactl output signals user-error."
(cl-letf (((symbol-function 'shell-command-to-string)
(lambda (_cmd) "")))
(should-error (cj/recording--get-default-sink-monitor) :type 'user-error)))
(ert-deftest test-video-audio-recording--get-default-sink-monitor-error-whitespace-only ()
"Test that whitespace-only output signals user-error."
(cl-letf (((symbol-function 'shell-command-to-string)
(lambda (_cmd) " \n ")))
(should-error (cj/recording--get-default-sink-monitor) :type 'user-error)))
(provide 'test-video-audio-recording--get-default-sink-monitor)
;;; test-video-audio-recording--get-default-sink-monitor.el ends here
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