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f94a50d80a
This advises the search process filter to make it process one character at a time in order to test the pessimal case for incremental search output parsing. The text parser fails this test because it gets tricked into thinking a parenthetical remark in a subject is the tag list.
133 lines
4.7 KiB
EmacsLisp
133 lines
4.7 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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(require 'cl) ;; This code is generally used uncompiled.
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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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;; Work around a bug in emacs 23.1 and emacs 23.2 which prevents
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;; noninteractive (kill-emacs) from emacsclient.
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(if (and (= emacs-major-version 23) (< emacs-minor-version 3))
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(defadvice kill-emacs (before disable-yes-or-no-p activate)
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"Disable yes-or-no-p before executing kill-emacs"
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(defun yes-or-no-p (prompt) t)))
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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 and
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removes any text properties."
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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-no-properties', but excludes
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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-no-properties
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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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(add-hook-counter 'notmuch-hello-refresh-hook)
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(defadvice notmuch-search-process-filter (around pessimal activate disable)
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"Feed notmuch-search-process-filter one character at a time."
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(let ((string (ad-get-arg 1)))
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(loop for char across string
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do (progn
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(ad-set-arg 1 (char-to-string char))
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ad-do-it))))
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(defmacro notmuch-test-run (&rest body)
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"Evaluate a BODY of test expressions and output the result."
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`(with-temp-buffer
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(let ((buffer (current-buffer))
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(result (progn ,@body)))
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(switch-to-buffer buffer)
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(insert (if (stringp result)
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result
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(prin1-to-string result)))
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(test-output))))
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(defun notmuch-test-report-unexpected (output expected)
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"Report that the OUTPUT does not match the EXPECTED result."
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(concat "Expect:\t" (prin1-to-string expected) "\n"
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"Output:\t" (prin1-to-string output) "\n"))
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(defun notmuch-test-expect-equal (output expected)
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"Compare OUTPUT with EXPECTED. Report any discrepencies."
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(if (equal output expected)
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t
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(cond
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((and (listp output)
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(listp expected))
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;; Reporting the difference between two lists is done by
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;; reporting differing elements of OUTPUT and EXPECTED
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;; pairwise. This is expected to make analysis of failures
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;; simpler.
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(apply #'concat (loop for o in output
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for e in expected
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if (not (equal o e))
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collect (notmuch-test-report-unexpected o e))))
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(t
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(notmuch-test-report-unexpected output expected)))))
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