;;; test-org-src.el --- tests for org-src.el

;; Copyright (C) 2012, 2013  Le Wang

;; Author: Le Wang <l26wang at gmail dot com>

;; This file is not part of GNU Emacs.

;; This program 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.

;; This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

;;; Code:

(require 'org-test)



(ert-deftest test-org-src/basic ()
  "Editing regular block works. with point on

#+begin_src line
"
  (org-test-with-temp-text
      "
#+begin_src emacs-lisp
  (message hello)
#+end_src
"
    (goto-line 2)
    (org-edit-special)
    (insert "blah")
    (org-edit-src-exit)
    (should (equal (buffer-string) "
#+begin_src emacs-lisp
  blah(message hello)
#+end_src
"))
    (should (equal (word-at-point) "blah"))))

(ert-deftest test-org-src/point-outside-block ()
  "Editing with point before/after block signals expected error."
  (org-test-with-temp-text
      "
#+begin_src emacs-lisp
  (message hello)
#+end_src
"
    (goto-line 1)
    (should-error (org-edit-special))
    (goto-char (point-max))
    (should-error (org-edit-special))))

(ert-deftest test-org-src/empty-block ()
  "Editing empty block."
  (org-test-with-temp-text
      "
#+begin_src emacs-lisp
#+end_src
"
    (goto-line 2)
    (org-edit-special)
    (insert "blah")
    (org-edit-src-exit)
    (should (equal (buffer-string) "
#+begin_src emacs-lisp
  blah
#+end_src
"))
    (should (equal (word-at-point) "blah"))))

(ert-deftest test-org-src/blank-line-block ()
  "Editing block with just a blank line."
  (org-test-with-temp-text-in-file
      "
#+begin_src emacs-lisp

#+end_src
"
    (goto-line 2)
    (org-edit-special)
    (insert "blah")
    (org-edit-src-exit)
    (should (equal (buffer-string) "
#+begin_src emacs-lisp
  blah
#+end_src
"))))

(ert-deftest test-org-src/no-change ()
  "Not changing contents should not change buffer-modified status."
  (org-test-with-temp-text
   "
#+begin_src emacs-lisp
  (message hello)
#+end_src
"
   (goto-line 2)
   (set-buffer-modified-p nil)
   (org-edit-special)
   (org-edit-src-exit)
   (should (equal (buffer-modified-p) nil))))

(ert-deftest test-org-src/no-change-empty-block ()
  "Not changing contents should change buffer-modified status
when newline has to be added."

  (org-test-with-temp-text
   "
#+begin_src emacs-lisp
#+end_src
"
   (goto-line 2)
   (set-buffer-modified-p nil)
   (org-edit-special)
   (org-edit-src-exit)
   (should (equal (buffer-modified-p) t))))

(provide 'test-org-src)
;;; test-org-src.el ends here