testing/lisp/test-ob-emacs-lisp.el

   1 ;;; test-ob-emacs-lisp.el
   2
   3 ;; Copyright (c) 2012-2019 Free Software Foundation, Inc.
   4 ;; Authors: Eric Schulte, Martyn Jago
   5
   6 ;; This file is not part of GNU Emacs.
   7
   8 ;; This program is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; This program is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 ;;; Comments:
  22
  23 ;; Org tests for ob-emacs-lisp.el live here
  24
  25 ;;; Code:
  26 (ert-deftest ob-emacs-lisp/commented-last-block-line-no-var ()
  27   (org-test-with-temp-text-in-file "
  28 #+begin_src emacs-lisp
  29 ;;
  30 #+end_src"
  31     (org-babel-next-src-block)
  32     (org-babel-execute-maybe)
  33     (should (re-search-forward "results:" nil t))
  34     (forward-line)
  35     (should
  36      (string=
  37       ""
  38       (buffer-substring-no-properties (point-at-bol) (point-at-eol)))))
  39   (org-test-with-temp-text-in-file "
  40 #+begin_src emacs-lisp
  41 \"some text\";;
  42 #+end_src"
  43
  44     (org-babel-next-src-block)
  45     (org-babel-execute-maybe)
  46     (should (re-search-forward "results:" nil t))
  47     (forward-line)
  48     (should
  49      (string=
  50       ": some text"
  51       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))))
  52
  53 (ert-deftest ob-emacs-lisp/commented-last-block-line-with-var ()
  54   (org-test-with-temp-text-in-file "
  55 #+begin_src emacs-lisp :var a=1
  56 ;;
  57 #+end_src"
  58     (org-babel-next-src-block)
  59     (org-babel-execute-maybe)
  60     (re-search-forward "results" nil t)
  61     (forward-line)
  62     (should (string=
  63              ""
  64              (buffer-substring-no-properties (point-at-bol) (point-at-eol))))))
  65
  66 (ert-deftest ob-emacs-lisp/commented-last-block-line ()
  67   (should
  68    (string= ": 2"
  69             (org-test-with-temp-text-in-file "
  70 #+begin_src emacs-lisp :var a=2
  71 2;;
  72 #+end_src"
  73               (org-babel-next-src-block)
  74               (org-babel-execute-maybe)
  75               (re-search-forward "results" nil t)
  76               (buffer-substring-no-properties (line-beginning-position 2)
  77                                               (line-end-position 2))))))
  78
  79 (ert-deftest ob-emacs-lisp/dynamic-lexical-execute ()
  80   (cl-flet ((execute (text)
  81               (org-test-with-temp-text-in-file text
  82                 (org-babel-next-src-block)
  83                 (org-babel-execute-maybe)
  84                 (re-search-forward "results" nil t)
  85                 (re-search-forward ": " nil t)
  86                 (buffer-substring-no-properties (point) (point-at-eol)))))
  87
  88     (should (string= "dynamic" (execute "
  89 #+begin_src emacs-lisp :lexical no :results verbatim
  90 (let ((x 'dynamic)) (funcall (let ((x 'lexical)) (lambda () x))))
  91 #+end_src")))
  92
  93     (should (string= "lexical" (execute "
  94 #+begin_src emacs-lisp :lexical yes :results verbatim
  95 (let ((x 'dynamic)) (funcall (let ((x 'lexical)) (lambda () x))))
  96 #+end_src")))
  97
  98     (should (string= "dynamic" (let ((x 'dynamic)) (execute "
  99 #+begin_src emacs-lisp :lexical no :results verbatim
 100 x
 101 #+end_src"))))
 102
 103     (should (string= "lexical" (let ((x 'dynamic)) (execute "
 104 #+begin_src emacs-lisp :lexical '((x . lexical)) :results verbatim
 105 x
 106 #+end_src"))))
 107
 108     ;; Src block execution uses `eval'. As of 2019-02-26, `eval' does
 109     ;; not dynamically bind `lexical-binding' to the value of its
 110     ;; LEXICAL parameter. Hence, (eval 'lexical-binding LEXICAL)
 111     ;; evaluates to the same value that just `lexical-binding'
 112     ;; evaluates to, even if LEXICAL is different. So tests like the
 113     ;; following do not work here:
 114     ;;
 115     ;; (should (string= "t" (execute "
 116     ;; #+begin_src emacs-lisp :lexical yes :results verbatim
 117     ;; lexical-binding
 118     ;; #+end_src")))
 119     ;;
 120     ;; However, the corresponding test in
 121     ;; `ob-emacs-lisp/dynamic-lexical-edit' does work.
 122     ))
 123
 124 (ert-deftest ob-emacs-lisp/dynamic-lexical-edit ()
 125   (cl-flet ((execute (text)
 126               (org-test-with-temp-text-in-file text
 127                 (org-babel-next-src-block)
 128                 (org-edit-src-code)
 129                 (goto-char (point-max))
 130                 (prog1 (eval-last-sexp 0)
 131                   (org-edit-src-exit)))))
 132
 133     (should (eq 'dynamic (execute "
 134 #+begin_src emacs-lisp :lexical no :results verbatim
 135 (let ((x 'dynamic)) (funcall (let ((x 'lexical)) (lambda () x))))
 136 #+end_src")))
 137
 138     (should (eq 'lexical (execute "
 139 #+begin_src emacs-lisp :lexical yes :results verbatim
 140 (let ((x 'dynamic)) (funcall (let ((x 'lexical)) (lambda () x))))
 141 #+end_src")))
 142
 143     (should (eq 'dynamic (let ((x 'dynamic)) (execute "
 144 #+begin_src emacs-lisp :lexical no :results verbatim
 145 x
 146 #+end_src"))))
 147
 148     (should (eq 'lexical (let ((x 'dynamic)) (execute "
 149 #+begin_src emacs-lisp :lexical '((x . lexical)) :results verbatim
 150 x
 151 #+end_src"))))
 152
 153     (should (equal nil (execute "
 154 #+begin_src emacs-lisp :lexical no :results verbatim
 155 lexical-binding
 156 #+end_src")))
 157
 158     (should (equal t (execute "
 159 #+begin_src emacs-lisp :lexical yes :results verbatim
 160 lexical-binding
 161 #+end_src")))
 162
 163     (should (equal '((x . 0)) (execute "
 164 #+begin_src emacs-lisp :lexical '((x . 0)) :results verbatim
 165 lexical-binding
 166 #+end_src")))))
 167
 168 (provide 'test-ob-emacs-lisp)
 169
 170  ;;; test-ob-emacs-lisp.el ends here