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| | ;;; test-ob-calc.el --- tests for ob-calc.el -*- lexical-binding: t; -*-
;; Copyright (C) 2024 Visuwesh
;; Author: Visuwesh <visuweshm@gmail.com>
;; 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 <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ob-calc)
(unless (featurep 'ob-calc)
(signal 'missing-test-dependency "Support for Calc code blocks"))
(ert-deftest ob-calc/simple-program-mult ()
"Test of simple multiplication."
(org-test-with-temp-text "\
#+BEGIN_SRC calc :results silent
1 * 2
#+END_SRC"
(should (equal "2" (org-babel-execute-src-block)))))
(ert-deftest ob-calc/simple-program-arith ()
"Test of simple arithmetic."
(org-test-with-temp-text "\
#+BEGIN_SRC calc :results silent
12 + 16 - 1
#+END_SRC"
(should (equal "27" (org-babel-execute-src-block)))))
(ert-deftest ob-calc/float-var ()
"Test of floating variable."
(org-test-with-temp-text "\
#+BEGIN_SRC calc :results silent :var x=2.0
1/x
#+END_SRC"
(should (equal "0.5" (org-babel-execute-src-block)))))
(ert-deftest ob-calc/simple-program-symbolic ()
"Test of simple symbolic algebra."
(org-test-with-temp-text "\
#+BEGIN_SRC calc :results silent
inv(a)
#+END_SRC"
(should (equal "1 / a" (org-babel-execute-src-block)))))
(ert-deftest ob-calc/matrix-inversion ()
"Test of a matrix inversion."
(org-test-with-temp-text "\
#+NAME: ob-calc-table-1
| 1 | 2 | 3 |
| 5 | 6 | 7 |
| 9 | 14 | 11 |
<point>#+BEGIN_SRC calc :results silent :var a=ob-calc-table-1
inv(a)
#+END_SRC "
(should (equal "[[-1, 0.625, -0.125], [0.25, -0.5, 0.25], [0.5, 0.125, -0.125]]"
(let ((calc-float-format '(float 0)))
;; ;; Make sure that older Calc buffers are not present.
(save-current-buffer
(when (ignore-errors (calc-select-buffer))
(kill-buffer)))
;; Now, let-bound `calc-float-format' will take
;; effect.
(org-babel-execute-src-block))))))
(ert-deftest ob-calc/matrix-algebra ()
"Test of simple matrix algebra."
(org-test-with-temp-text "\
#+NAME: ob-calc-table-2
| 1 | 2 | 3 | 4 | 5 |
<point>#+BEGIN_SRC calc :results silent :var a=ob-calc-table-2
a*2 - 2
#+END_SRC"
(should (equal "[0, 2, 4, 6, 8]"
(org-babel-execute-src-block)))))
(ert-deftest ob-calc/matrix-mean ()
"Test of simple mean of a vector."
(org-test-with-temp-text "\
#+NAME: ob-calc-table-2
| 1 | 2 | 3 | 4 | 5 |
<point>#+BEGIN_SRC calc :results silent :var a=ob-calc-table-2
vmean(a)
#+END_SRC"
(should (equal "3"
(org-babel-execute-src-block)))))
(ert-deftest ob-calc/matrix-correct-conv-column ()
"Test of conversion of column table to Calc format."
(org-test-with-temp-text "\
#+NAME: ob-calc-table-3
| 1 |
| 2 |
| 3 |
<point>#+BEGIN_SRC calc :results silent :var a=ob-calc-table-3
a
#+END_SRC"
(should (equal "[[1], [2], [3]]"
(org-babel-execute-src-block)))))
(ert-deftest ob-calc/matrix-correct-conv-row ()
"Test of conversion of row table to Calc format."
(org-test-with-temp-text "\
#+NAME: ob-calc-table-2
| 1 | 2 | 3 | 4 | 5 |
<point>#+BEGIN_SRC calc :results silent :var a=ob-calc-table-2
a
#+END_SRC"
(should (equal "[1, 2, 3, 4, 5]"
(org-babel-execute-src-block)))))
(provide 'test-ob-calc)
;;; test-ob-calc.el ends here
|