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;;; test-integration-recording-monitor-capture-interactive.el --- Interactive recording test -*- lexical-binding: t; -*-
;; Author: Craig Jennings <c@cjennings.net>
;; Created: 2025-11-14
;;; Commentary:
;;
;; **INTERACTIVE TEST - Run from within Emacs**
;;
;; This test must be run from an interactive Emacs session where recording
;; devices are already configured (C-; r c).
;;
;; USAGE:
;; 1. Ensure devices are configured: C-; r c
;; 2. Load this file: M-x load-file RET tests/test-integration-recording-monitor-capture-interactive.el RET
;; 3. Run test: M-x test-recording-monitor-now RET
;;
;; OR simply:
;; M-x ert RET test-integration-recording-monitor-capture RET
;;
;; The test will:
;; - Play test audio through your speakers (5 seconds)
;; - Record it
;; - Transcribe it
;; - Verify the transcription contains the expected text
;;
;; This verifies that phone call audio (speaker output) is being captured correctly.
;;; Code:
(require 'video-audio-recording)
(require 'transcription-config)
(defvar test-recording--test-audio
(expand-file-name "tests/fixtures/audio/speaker-output-test.wav" user-emacs-directory)
"Test audio file for speaker output testing.")
(defvar test-recording--expected-phrases
'("hear me" "testing" "one")
"Expected phrases in transcription (partial match OK).
Based on actual recording: 'Can you hear me? Testing, one, two, three.'")
(defun test-recording--cleanup-files (recording-file)
"Clean up RECORDING-FILE and associated files."
(when (and recording-file (file-exists-p recording-file))
(let* ((base (file-name-sans-extension recording-file))
(txt-file (concat base ".txt"))
(log-file (concat base ".log")))
(when (file-exists-p recording-file) (delete-file recording-file))
(when (file-exists-p txt-file) (delete-file txt-file))
(when (file-exists-p log-file) (delete-file log-file)))))
(defun test-recording--wait-for-file (file timeout)
"Wait for FILE to exist and have content, up to TIMEOUT seconds.
Returns FILE path if successful, nil if timeout."
(let ((deadline (time-add (current-time) (seconds-to-time timeout))))
(while (and (time-less-p (current-time) deadline)
(or (not (file-exists-p file))
(= 0 (file-attribute-size (file-attributes file)))))
(sleep-for 1)
(message "Waiting for %s... (%d sec remaining)"
(file-name-nondirectory file)
(ceiling (float-time (time-subtract deadline (current-time))))))
(when (and (file-exists-p file)
(> (file-attribute-size (file-attributes file)) 0))
file)))
;;;###autoload
(defun test-recording-monitor-now ()
"Test recording monitor capture interactively.
This function can be called with M-x to test recording without ERT framework."
(interactive)
;; Pre-flight checks
(unless (executable-find "paplay")
(user-error "paplay not found. Install pulseaudio-utils"))
(unless (executable-find "ffmpeg")
(user-error "ffmpeg not found. Install ffmpeg"))
(unless (file-exists-p test-recording--test-audio)
(user-error "Test audio file not found: %s" test-recording--test-audio))
(unless (and cj/recording-mic-device cj/recording-system-device)
(user-error "Recording devices not configured. Run C-; r c first"))
(let ((test-dir (make-temp-file "recording-test-" t))
(recording-file nil)
(playback-proc nil))
(unwind-protect
(progn
(message "\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
(message "RECORDING MONITOR CAPTURE TEST")
(message "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n")
(message "Configuration:")
(message " Mic: %s" cj/recording-mic-device)
(message " Monitor: %s" cj/recording-system-device)
(message " Backend: %s\n" cj/transcribe-backend)
;; Step 1: Start recording
(message "[1/6] Starting recording...")
(cj/ffmpeg-record-audio test-dir)
(sleep-for 1)
(unless (process-live-p cj/audio-recording-ffmpeg-process)
(error "Failed to start recording"))
(message "✓ Recording started\n")
;; Step 2: Play test audio
(message "[2/6] Playing test audio through speakers...")
(setq playback-proc (start-process "test-playback" "*test-playback*"
"paplay" test-recording--test-audio))
(message "✓ Playback started\n")
;; Step 3: Wait for playback
(message "[3/6] Waiting for playback to complete...")
(let ((waited 0))
(while (and (process-live-p playback-proc) (< waited 10))
(sleep-for 0.5)
(setq waited (+ waited 0.5)))
(when (process-live-p playback-proc)
(kill-process playback-proc)
(error "Playback timed out")))
(sleep-for 1)
(message "✓ Playback completed\n")
;; Step 4: Stop recording
(message "[4/6] Stopping recording...")
(cj/audio-recording-stop)
(sleep-for 1)
;; Find recording file
(let ((files (directory-files test-dir t "\\.m4a$")))
(unless (= 1 (length files))
(error "Expected 1 recording file, found %d" (length files)))
(setq recording-file (car files)))
(message "✓ Recording stopped")
(message " File: %s" recording-file)
(message " Size: %d bytes\n"
(file-attribute-size (file-attributes recording-file)))
;; Step 5: Transcribe
(message "[5/6] Transcribing (this may take 30-60 seconds)...")
(cj/transcribe-audio recording-file)
(let ((txt-file (concat (file-name-sans-extension recording-file) ".txt")))
(unless (test-recording--wait-for-file txt-file 120)
(error "Transcription timed out or failed"))
(message "✓ Transcription completed\n")
;; Step 6: Verify
(message "[6/6] Verifying transcription...")
(let ((transcript (with-temp-buffer
(insert-file-contents txt-file)
(downcase (buffer-string))))
(matches 0))
(message "Transcript (%d chars): %s..."
(length transcript)
(substring transcript 0 (min 80 (length transcript))))
(dolist (phrase test-recording--expected-phrases)
(when (string-match-p phrase transcript)
(setq matches (1+ matches))
(message " ✓ Found: '%s'" phrase)))
(message "\nMatched %d/%d expected phrases"
matches (length test-recording--expected-phrases))
(if (>= matches 2)
(progn
(message "\n✓✓✓ TEST PASSED ✓✓✓")
(message "Monitor is correctly capturing speaker audio!"))
(error "TEST FAILED: Only matched %d/%d phrases"
matches (length test-recording--expected-phrases)))))))
;; Cleanup
(when (and playback-proc (process-live-p playback-proc))
(kill-process playback-proc))
(when (and cj/audio-recording-ffmpeg-process
(process-live-p cj/audio-recording-ffmpeg-process))
(cj/audio-recording-stop))
(when recording-file
(test-recording--cleanup-files recording-file))
(when (file-exists-p test-dir)
(delete-directory test-dir t))
(message "\nCleanup complete."))))
(provide 'test-integration-recording-monitor-capture-interactive)
;;; test-integration-recording-monitor-capture-interactive.el ends here
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