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;;; test-video-audio-recording--interrupt-child-wf-recorder.el --- Tests for scoped wf-recorder interrupt -*- lexical-binding: t; -*-
;;; Commentary:
;; Unit tests for cj/recording--interrupt-child-wf-recorder.
;; Verifies the producer-first stop signal targets only the wf-recorder
;; child of this module's own shell process, not every wf-recorder on the
;; system.
;;; 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--interrupt-child-wf-recorder-normal-scopes-to-parent-pid ()
"Normal: interrupt is scoped to the wf-recorder child of the given PID."
(let ((captured nil))
(cl-letf (((symbol-function 'call-process)
(lambda (&rest args) (setq captured args) 0)))
(cj/recording--interrupt-child-wf-recorder 12345)
;; Targets wf-recorder, by parent PID, with SIGINT — not a bare
;; system-wide name match.
(should (member "-INT" captured))
(should (member "-P" captured))
(should (member "12345" captured))
(should (member "wf-recorder" captured)))))
;;; Boundary Cases
(ert-deftest test-video-audio-recording--interrupt-child-wf-recorder-boundary-nil-pid-no-call ()
"Boundary: a nil PID issues no kill at all (nothing to scope to)."
(let ((called nil))
(cl-letf (((symbol-function 'call-process)
(lambda (&rest _) (setq called t) 0)))
(cj/recording--interrupt-child-wf-recorder nil)
(should-not called))))
;;; Error Cases
(ert-deftest test-video-audio-recording--interrupt-child-wf-recorder-error-never-bare-name ()
"Error: must never call pkill with only the program name (system-wide kill)."
(let ((captured nil))
(cl-letf (((symbol-function 'call-process)
(lambda (&rest args) (setq captured args) 0)))
(cj/recording--interrupt-child-wf-recorder 999)
;; The whole point of the fix: a parent-scoping flag is always present.
(should (member "-P" captured)))))
(provide 'test-video-audio-recording--interrupt-child-wf-recorder)
;;; test-video-audio-recording--interrupt-child-wf-recorder.el ends here
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