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diff --git a/tests/test-video-audio-recording-check-ffmpeg.el b/tests/test-video-audio-recording-check-ffmpeg.el
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+++ b/tests/test-video-audio-recording-check-ffmpeg.el
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+;;; test-video-audio-recording-check-ffmpeg.el --- Tests for cj/recording-check-ffmpeg -*- lexical-binding: t; -*-
+
+;;; Commentary:
+;; Unit tests for cj/recording-check-ffmpeg function.
+;; Tests detection of ffmpeg availability.
+
+;;; Code:
+
+(require 'ert)
+
+;; Stub dependencies before loading the module
+(defvar cj/custom-keymap (make-sparse-keymap)
+  "Stub keymap for testing.")
+
+;; Now load the actual production module
+(require 'video-audio-recording)
+
+;;; Normal Cases
+
+(ert-deftest test-video-audio-recording-check-ffmpeg-normal-ffmpeg-found-returns-t ()
+  "Test that function returns t when ffmpeg is found."
+  (cl-letf (((symbol-function 'executable-find)
+             (lambda (cmd)
+               (when (equal cmd "ffmpeg") "/usr/bin/ffmpeg"))))
+    (let ((result (cj/recording-check-ffmpeg)))
+      (should (eq t result)))))
+
+;;; Error Cases
+
+(ert-deftest test-video-audio-recording-check-ffmpeg-error-ffmpeg-not-found-signals-error ()
+  "Test that function signals user-error when ffmpeg is not found."
+  (cl-letf (((symbol-function 'executable-find)
+             (lambda (_cmd) nil)))
+    (should-error (cj/recording-check-ffmpeg) :type 'user-error)))
+
+(ert-deftest test-video-audio-recording-check-ffmpeg-error-message-mentions-pacman ()
+  "Test that error message includes installation command."
+  (cl-letf (((symbol-function 'executable-find)
+             (lambda (_cmd) nil)))
+    (condition-case err
+        (cj/recording-check-ffmpeg)
+      (user-error
+       (should (string-match-p "pacman -S ffmpeg" (error-message-string err)))))))
+
+(provide 'test-video-audio-recording-check-ffmpeg)
+;;; test-video-audio-recording-check-ffmpeg.el ends here