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eb8638ba2e
Replace `notmuch-hello-mode-hook-counter' with general `hook-counter' and `add-hook-counter' functions to allow counting calls for any hook.
77 lines
2.8 KiB
EmacsLisp
77 lines
2.8 KiB
EmacsLisp
;; test-lib.el --- auxiliary stuff for Notmuch Emacs tests.
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;;
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;; Copyright © Carl Worth
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;; Copyright © David Edmondson
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;;
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;; This file is part of Notmuch test suit.
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;;
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;; Notmuch is free software: you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; Notmuch is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
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;;
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;; Authors: Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
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;; `read-file-name' by default uses `completing-read' function to read
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;; user input. It does not respect `standard-input' variable which we
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;; use in tests to provide user input. So replace it with a plain
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;; `read' call.
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(setq read-file-name-function (lambda (&rest _) (read)))
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(defun notmuch-test-wait ()
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"Wait for process completion."
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(while (get-buffer-process (current-buffer))
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(sleep-for 0.1)))
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(defun test-output (&optional filename)
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"Save current buffer to file FILENAME. Default FILENAME is OUTPUT."
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(write-region (point-min) (point-max) (or filename "OUTPUT")))
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(defun test-visible-output (&optional filename)
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"Save visible text in current buffer to file FILENAME. Default
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FILENAME is OUTPUT."
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(let ((text (visible-buffer-string)))
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(with-temp-file (or filename "OUTPUT") (insert text))))
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(defun visible-buffer-string ()
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"Same as `buffer-string', but excludes invisible text."
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(visible-buffer-substring (point-min) (point-max)))
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(defun visible-buffer-substring (start end)
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"Same as `buffer-substring', but excludes invisible text."
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(let (str)
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(while (< start end)
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(let ((next-pos (next-char-property-change start end)))
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(when (not (invisible-p start))
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(setq str (concat str (buffer-substring start next-pos))))
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(setq start next-pos)))
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str))
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(defun orphan-watchdog (pid)
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"Periodically check that the process with id PID is still
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running, quit if it terminated."
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(if (not (process-attributes pid))
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(kill-emacs)
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(run-at-time "1 min" nil 'orphan-watchdog pid)))
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(defun hook-counter (hook)
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"Count how many times a hook is called. Increments
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`hook'-counter variable value if it is bound, otherwise does
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nothing."
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(let ((counter (intern (concat (symbol-name hook) "-counter"))))
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(if (boundp counter)
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(set counter (1+ (symbol-value counter))))))
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(defun add-hook-counter (hook)
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"Add hook to count how many times `hook' is called."
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(add-hook hook (apply-partially 'hook-counter hook)))
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(add-hook-counter 'notmuch-hello-mode-hook)
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