;; test-lib.el --- auxiliary stuff for Notmuch Emacs tests.
;;
;; Copyright © Carl Worth
;; Copyright © David Edmondson
;;
;; This file is part of Notmuch test suit.
;;
;; Notmuch is free software: you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Notmuch is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Notmuch. If not, see .
;;
;; Authors: Dmitry Kurochkin
;; avoid crazy 10-column default of --batch
(set-frame-width (window-frame (get-buffer-window)) 80)
;; `read-file-name' by default uses `completing-read' function to read
;; user input. It does not respect `standard-input' variable which we
;; use in tests to provide user input. So replace it with a plain
;; `read' call.
(setq read-file-name-function (lambda (&rest _) (read)))
(defun notmuch-test-wait ()
"Wait for process completion."
(while (get-buffer-process (current-buffer))
(sleep-for 0.1)))
(defun test-output (&optional filename)
"Save current buffer to file FILENAME. Default FILENAME is OUTPUT."
(write-region (point-min) (point-max) (or filename "OUTPUT")))
(defun test-visible-output (&optional filename)
"Save visible text in current buffer to file FILENAME. Default
FILENAME is OUTPUT."
(let ((text (visible-buffer-string)))
(with-temp-file (or filename "OUTPUT") (insert text))))
(defun visible-buffer-string ()
"Same as `buffer-string', but excludes invisible text."
(visible-buffer-substring (point-min) (point-max)))
(defun visible-buffer-substring (start end)
"Same as `buffer-substring', but excludes invisible text."
(let (str)
(while (< start end)
(let ((next-pos (next-char-property-change start end)))
(when (not (invisible-p start))
(setq str (concat str (buffer-substring start next-pos))))
(setq start next-pos)))
str))
(defun orphan-watchdog (pid)
"Periodically check that the process with id PID is still
running, quit if it terminated."
(if (not (process-attributes pid))
(kill-emacs)
(run-at-time "1 min" nil 'orphan-watchdog pid)))