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;;; todo-mode-tests.el --- tests for todo-mode.el -*- lexical-binding: t; -*-
;; Copyright (C) 2017 Free Software Foundation, Inc.
;; Author: Stephen Berman <stephen.berman@gmx.net>
;; Keywords: calendar
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'ert)
(require 'todo-mode)
(defvar todo-test-data-dir
(file-truename
(expand-file-name "todo-mode-resources/"
(file-name-directory (or load-file-name
buffer-file-name))))
"Base directory of todo-mode.el test data files.")
(defvar todo-test-file-1 (expand-file-name "todo-test-1.todo"
todo-test-data-dir)
"Todo mode test file.")
(defvar todo-test-archive-1 (expand-file-name "todo-test-1.toda"
todo-test-data-dir)
"Todo Archive mode test file.")
(defmacro with-todo-test (&rest body)
"Set up an isolated todo-mode test environment."
`(let* ((todo-test-home (make-temp-file "todo-test-home-" t))
(process-environment (cons (format "HOME=%s" todo-test-home)
process-environment))
(todo-directory todo-test-data-dir)
(todo-default-todo-file (todo-short-file-name
(car (funcall todo-files-function)))))
(unwind-protect
(progn ,@body)
(delete-directory todo-test-home t))))
;; (defun todo-test-show (num &optional archive)
;; "Display category NUM of test todo file.
;; With non-nil ARCHIVE argument, display test archive file category."
;; (let* ((file (if archive todo-test-archive-1 todo-test-file-1))
;; (buf (find-file-noselect file)))
;; (set-buffer buf)
;; (if archive (todo-archive-mode) (todo-mode))
;; (setq todo-category-number num)
;; (todo-category-select)))
(defun todo-test-get-archive (num)
"Display category NUM of todo archive test file."
(let ((archive-buf (find-file-noselect todo-test-archive-1)))
(set-buffer archive-buf)
(todo-archive-mode)
(setq todo-category-number num)
(todo-category-select)))
(defun todo-test-is-current-buffer (filename)
"Return non-nil if FILENAME's buffer is current."
(let ((bufname (buffer-file-name (current-buffer))))
(and bufname (equal (file-truename bufname) filename))))
(ert-deftest todo-test-todo-quit01 ()
"Test the behavior of todo-quit with archive and todo files.
Invoking todo-quit in todo-archive-mode should make the
corresponding todo-mode category current, if it exits, otherwise
the current todo-mode category. Quitting todo-mode without an
intermediate buffer switch should not make the archive buffer
current again."
(with-todo-test
(todo-test-get-archive 2)
(let ((cat-name (todo-current-category)))
(todo-quit)
(should (todo-test-is-current-buffer todo-test-file-1))
(should (equal (todo-current-category) cat-name))
(todo-test-get-archive 1)
(setq cat-name (todo-current-category))
(todo-quit)
(should (todo-test-is-current-buffer todo-test-file-1))
(should (equal todo-category-number 1))
(todo-forward-category) ; Category 2 in todo file now current.
(todo-test-get-archive 3) ; No corresponding category in todo file.
(setq cat-name (todo-current-category))
(todo-quit)
(should (todo-test-is-current-buffer todo-test-file-1))
(should (equal todo-category-number 2))
(todo-quit)
(should-not (todo-test-is-current-buffer todo-test-archive-1)))))
(ert-deftest todo-test-todo-quit02 () ; bug#27121
"Test the behavior of todo-quit with todo and non-todo buffers.
If the buffer made current by invoking todo-quit in a todo-mode
buffer is buried by quit-window, the todo-mode buffer should not
become current."
(with-todo-test
(todo-show)
(should (todo-test-is-current-buffer todo-test-file-1))
(let ((dir (dired default-directory)))
(todo-show)
(todo-quit)
(should (equal (current-buffer) dir))
(quit-window)
(should-not (todo-test-is-current-buffer todo-test-file-1)))))
(ert-deftest todo-test-item-highlighting () ; bug#27133
"Test whether `todo-toggle-item-highlighting' highlights whole item.
In particular, all lines of a multiline item should be highlighted."
(with-todo-test
(todo-show)
(todo-jump-to-category nil "testcat1") ; For test rerun.
(todo-toggle-item-highlighting)
(let ((end (1- (todo-item-end)))
(beg (todo-item-start)))
(should (eq (get-char-property beg 'face) 'hl-line))
(should (eq (get-char-property end 'face) 'hl-line))
(should (> (count-lines beg end) 1))
(should (eq (next-single-char-property-change beg 'face) (1+ end))))
(todo-toggle-item-highlighting))) ; Turn off highlighting (for test rerun).
(provide 'todo-mode-tests)
;;; todo-mode-tests.el ends here
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