;;; test-ob.el --- tests for ob.el  -*- lexical-binding: t; -*-

;; Copyright (c) 2010-2015, 2019 Eric Schulte
;; Authors: Eric Schulte, Martyn Jago

;; 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 <https://www.gnu.org/licenses/>.

;;; Code:

(require 'ob-core)
(require 'org-src)
(require 'ob-ref)
(require 'org-table)
(eval-and-compile (require 'cl-lib))

(ert-deftest test-ob/indented-cached-org-bracket-link ()
  "When the result of a source block is a cached indented link it
should still return the link."
  (should
   (let ((default-directory temporary-file-directory))
     (org-test-with-temp-text
	 "
* Test
  #+<point>BEGIN_SRC emacs-lisp :results file :file test.txt :cache yes
    (message \"test\")
  #+END_SRC"
       ;; Execute twice as the first time creates the cache.
       (org-babel-execute-src-block)
       (string= (expand-file-name "test.txt")
		(org-babel-execute-src-block))))))

(ert-deftest test-ob/multi-line-header-regexp ()
  (should(equal "^[ \t]*#\\+headers?:[ \t]*\\([^\n]*\\)$"
		org-babel-multi-line-header-regexp))
  ;;TODO can be optimised - and what about blah4 blah5 blah6?
  (should (string-match
	   org-babel-multi-line-header-regexp
	   "   \t #+headers: blah1 blah2 blah3 \t\n\t\n blah4 blah5 blah6 \n"))
  (should
   (equal
    "blah1 blah2 blah3 \t"
    (match-string
     1
     "   \t #+headers: blah1 blah2 blah3 \t\n\t\n blah4 blah5 blah6 \n")))

  ;;TODO Check - should this fail?
  (should
   (not (org-test-string-exact-match
	 org-babel-multi-line-header-regexp
	 "   \t #+headers : blah1 blah2 blah3 \t\n\t\n blah4 blah5 blah6 \n"))))

(ert-deftest test-ob/src-block-regexp ()
  (let ((test-block
	 (concat
	  "#+begin_src language -n-r-a-b -c :argument-1 yes :argument-2 no\n"
	  "echo this is a test\n"
	  "echo Currently in ' $PWD\n"
	  "#+end_src"))
	(language "language")
	(flags "-n-r-a-b -c ")
	(arguments ":argument-1 yes :argument-2 no")
	(body "echo this is a test\necho Currently in ' $PWD\n"))
    (should (string-match org-babel-src-block-regexp test-block))
    (should (string-match org-babel-src-block-regexp (upcase test-block)))
    (should (equal language (match-string 2 test-block)))
    ;;TODO Consider refactoring
    (should (equal flags (match-string 3 test-block)))
    (should (equal arguments (match-string 4 test-block)))
    (should (equal body (match-string 5 test-block)))
    ;;no switches
    (should (org-test-string-exact-match
     	     org-babel-src-block-regexp
     	     (replace-regexp-in-string flags "" test-block)))
    ;;no header arguments
    (should (org-test-string-exact-match
     	     org-babel-src-block-regexp
	     (replace-regexp-in-string arguments "" test-block)))
    ;; should be valid with no body
    (should (org-test-string-exact-match
	     org-babel-src-block-regexp
	     (replace-regexp-in-string body "" test-block)))))

(ert-deftest test-ob/default-inline-header-args ()
  (should(equal
	  '((:session . "none")
	    (:results . "replace")
	    (:exports . "results")
	    (:hlines  . "yes"))
	  org-babel-default-inline-header-args)))

(ert-deftest ob-test/org-babel-combine-header-arg-lists ()
  (let ((results (org-babel-combine-header-arg-lists
                  '((foo  . :any)
                    (bar)
                    (baz  . ((foo bar) (baz)))
                    (qux  . ((foo bar baz qux)))
                    (quux . ((foo bar))))
                  '((bar)
                    (baz  . ((baz)))
                    (quux . :any)))))
    (dolist (pair '((foo  . :any)
		    (bar)
		    (baz  . ((baz)))
		    (quux . :any)
		    (qux  . ((foo bar baz qux)))))
      (should (equal (cdr pair)
                     (cdr (assoc (car pair) results)))))))

;;; ob-get-src-block-info
(ert-deftest test-ob/get-src-block-info-language ()
  (org-test-at-marker nil org-test-file-ob-anchor
    (let ((info (org-babel-get-src-block-info)))
      (should (string= "emacs-lisp" (nth 0 info))))))

(ert-deftest test-ob/get-src-block-info-body ()
  (org-test-at-marker nil org-test-file-ob-anchor
    (let ((info (org-babel-get-src-block-info)))
      (should (string-match (regexp-quote org-test-file-ob-anchor)
			    (nth 1 info))))))

(ert-deftest test-ob/get-src-block-info-tangle ()
  (org-test-at-marker nil org-test-file-ob-anchor
    (let ((info (org-babel-get-src-block-info)))
      (should (string= "no" (cdr (assq :tangle (nth 2 info))))))))

(ert-deftest test-ob/post-header-arguments ()
  "When the result of a post-processing source block is an empty
list, then it should be treated as such; not as the symbol nil."
  (should
   (let ((default-directory temporary-file-directory))
     (org-test-with-temp-text
         "
#+name: addheader
#+header: :var rows=\"\"
#+begin_src elisp :hlines yes
  '()
#+end_src
#+header: :post addheader(*this*)
#+<point>begin_src emacs-lisp :results table
#+end_src
#+RESULTS:
: nil"
       (org-babel-execute-src-block)
       (goto-char (1- (point-max)))
       (equal (buffer-substring-no-properties
               (line-beginning-position)
               (line-end-position))
              "#+RESULTS:")))))

(ert-deftest test-ob/elisp-in-header-arguments ()
  "Test execution of elisp forms in header arguments."
  (org-test-with-temp-text-in-file "

* elisp forms in header arguments
  :PROPERTIES:
  :header-args: :var prop = (* 7 6)
  :END:
#+begin_src emacs-lisp
  prop
#+end_src"
    (goto-char (point-min))
    (org-babel-next-src-block)
    (should (= 42 (org-babel-execute-src-block)))))

(ert-deftest test-ob/simple-named-code-block ()
  "Test that simple named code blocks can be evaluated."
  (org-test-with-temp-text-in-file "

#+name: i-have-a-name
#+begin_src emacs-lisp
  42
#+end_src"
    (org-babel-next-src-block 1)
    (should (= 42 (org-babel-execute-src-block)))))

(ert-deftest test-ob/simple-variable-resolution ()
  "Test that simple variable resolution is working."
  (org-test-with-temp-text-in-file "

#+name: four
#+begin_src emacs-lisp
  (list 1 2 3 4)
#+end_src

#+begin_src emacs-lisp :var four=four
  (length four)
#+end_src"

    (org-babel-next-src-block 2)
    (should (= 4 (org-babel-execute-src-block)))
    (forward-line 5)
    (should (string= ": 4" (buffer-substring
			    (point-at-bol)
			    (point-at-eol)))))
  ;; Test reading lists.
  (org-test-with-temp-text-in-file "

#+NAME: example-list
- simple
  - not
  - nested
- list

<point>#+BEGIN_SRC emacs-lisp :var x=example-list
(print x)
#+END_SRC"

    (should (equal '("simple" "list") (org-babel-execute-src-block)))
    (forward-line 5)
    (should (string=
             "| simple | list |"
             (buffer-substring
	      (point-at-bol)
	      (point-at-eol))))))

(ert-deftest test-ob/block-content-resolution ()
  "Test block content resolution."
  (org-test-with-temp-text-in-file "

#+name: four
#+begin_src emacs-lisp
  (list 1 2 3 4)
#+end_src

#+begin_src emacs-lisp :var four=four[]
  (length (eval (car (read-from-string four))))
#+end_src"
    (org-babel-next-src-block 2)
    (should (= 4 (org-babel-execute-src-block)))))

(ert-deftest test-ob/cons-cell-as-variable ()
  "Test that cons cell can be assigned as variable."
  (org-test-with-temp-text "

#+name: cons
#+begin_src emacs-lisp
  (cons 1 2)
#+end_src

#+begin_src emacs-lisp :var x=cons
  x
#+end_src"

    (org-babel-next-src-block 2)
    (should (equal (cons 1 2) (org-babel-execute-src-block)))))

(ert-deftest test-ob/multi-line-header-arguments ()
  "Test that multi-line header arguments and can be read."
  (org-test-with-temp-text-in-file "

#+headers: :var letters='(a b c d e f g)
#+begin_src emacs-lisp :var numbers='(1 2 3 4 5 6 7)
  (require 'cl-lib)
  (cl-map 'list #'list numbers letters)
#+end_src"
    (org-babel-next-src-block)
    (let ((results (org-babel-execute-src-block)))
      (should (eq 'a (cadr (assoc 1 results))))
      (should (eq 'd (cadr (assoc 4 results)))))))

(ert-deftest test-ob/parse-header-args ()
  (org-test-with-temp-text-in-file "

#+begin_src example-lang :session     :results output :var num=9
  the body
#+end_src"

    (org-babel-next-src-block)
    (let* ((info (org-babel-get-src-block-info))
	   (params (nth 2 info)))
      (message "%S" params)
      (should (equal "example-lang" (nth 0 info)))
      (should (string= "the body" (org-trim (nth 1 info))))
      (should-not (member '(:session\ \ \ \ ) params))
      (should (equal '(:session) (assq :session params)))
      (should (equal '(:result-type . output) (assq :result-type params)))
      (should (equal '(num . 9) (cdr (assq :var params)))))))

(ert-deftest test-ob/parse-header-args2 ()
  (org-test-with-temp-text-in-file "

* resolving sub-trees as references

#+begin_src emacs-lisp :var text=d4faa7b3-072b-4dcf-813c-dd7141c633f3
  (length text)
#+end_src

#+begin_src org :noweb yes
  <<simple-subtree>>
  <<d4faa7b3-072b-4dcf-813c-dd7141c633f3>>
#+end_src

** simple subtree with custom ID
   :PROPERTIES:
   :CUSTOM_ID: simple-subtree
   :END:
this is simple"

    (should (string-match (regexp-quote "this is simple")
			  (org-babel-ref-resolve "simple-subtree")))
    (org-babel-next-src-block)
    (should (= 14 (org-babel-execute-src-block)))))


(ert-deftest test-ob/merge-params ()
  "Test the output of merging multiple header parameters.  The
expected output is given in the contents of the source code block
in each test.  The desired test header parameters are given
either as a symbol or a list in the `idtest-alist' variable.
Multiple header parameters must be separated by a newline and
exactly two spaces in the block contents."
  (let ((idtest-alist '((inherit-document-header-args
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
#+begin_src conf
  (:tangle . /tmp/default_tangle.txt)
#+end_src")
                        (inherit-document-header-with-local-sync-action
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
#+begin_src conf :tangle skip
  (:tangle . /tmp/default_tangle.txt skip)
#+end_src")
                        (override-document-header-with-local-tfile
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
#+begin_src conf :tangle randomfile sync
  (:tangle . randomfile sync)
#+end_src")
                        (override-document-and-parent-header-with-local-tfile-and-action
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
:PROPERTIES:
:header-args: :tangle \"newfile.txt\" import
:END:
** Two
#+begin_src conf :tangle randomfile sync
  (:tangle . randomfile sync)
#+end_src")
                        (test-tangle-and-default-results-param-together
                         (:tangle :results) "\
* One
#+begin_src conf  :tangle randomfile
  (:tangle . randomfile)
  (:results . replace)
#+end_src")
                        (inherit-document-tfile-take-only-last-local-sync-action
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
#+begin_src conf  :tangle import export
  (:tangle . /tmp/default_tangle.txt export)
#+end_src")
                        (ignore-document-header-take-last-tfile-and-sync-action
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
#+begin_src conf  :tangle fname1 fname2 sync export
  (:tangle . fname2 export)
#+end_src")
                        (test-results-and-exports
                         (:results :exports) "\
* One
#+begin_src sh :results file wrap
  (:results . wrap file replace)
  (:exports . code)
#+end_src")
                        (do-not-tangle-this-block
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
#+begin_src conf :tangle no
  (:tangle . no)
#+end_src")
                        (test-tangle-exports-and-comments
                         (:tangle :exports :comments) "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
:PROPERTIES:
:header-args: :tangle no :exports verbatim
:END:
#+begin_src conf :tangle \"foo.txt\" :comments link
  (:tangle . foo.txt)
  (:exports . verbatim code)
  (:comments . link)
#+end_src")
                        (override-document-and-heading-tfile-with-yes
                         :tangle "\
#+PROPERTY: header-args :tangle /tmp/default_tangle.txt
* One
:PROPERTIES:
:header-args: :tangle \"foo.txt\"
:END:
#+begin_src :tangle yes
   (:tangle . yes)
#+end_src")
                        (tangle-file-with-spaces
                         :tangle "\
* One
:PROPERTIES:
:header-args: :tangle \"foo.txt\"
:END:
** Two
#+begin_src :tangle \"file with spaces.txt\"
   (:tangle . \"file with spaces.txt\")
#+end_src")))
        failed-ids)
    (dolist (testpair idtest-alist)
      (let ((test-name (nth 0 testpair))
            (test-prop (nth 1 testpair))
            (test-cont (nth 2 testpair)))
        (org-test-with-temp-text
         test-cont
         (org-babel-next-src-block)
         (unless
             (string=
              (if (string= "symbol" (type-of test-prop))
                  (format "%s" (assoc test-prop (nth 2 (org-babel-get-src-block-info))))
                (mapconcat
                 (lambda (x) (format "%s" (assoc x (nth 2 (org-babel-get-src-block-info)))))
                 test-prop "\n  ")) ;; newline with exactly two spaces.
              (string-trim (org-element-property :value (org-element-at-point))))
           (push test-name failed-ids)))))
    (if failed-ids
        (user-error "%d Failed Blocks: %s" (length failed-ids) failed-ids))
    (should (= 0 (length failed-ids)))))


(ert-deftest test-ob/inline-src-blocks ()
  (should
   (= 1
      (org-test-with-temp-text
	  "In the middle <point>src_emacs-lisp{(+ 0 1)} of a line"
	(org-babel-execute-src-block))))
  (should
   (= 2
      (org-test-with-temp-text
	  "One at the end of a line: <point>src_emacs-lisp{(+ 1 1)}"
	(org-babel-execute-src-block))))
  (should
   (= 3
      (org-test-with-temp-text
	  "src_emacs-lisp{(+ 2 1)} at the beginning of a line."
	(org-babel-execute-src-block))))
  (should
   (= 4
      (org-test-with-temp-text
	  "In the middle <point>src_emacs-lisp[:results silent\
 :exports code]{(+ 3 1)} of a line"
	(org-babel-execute-src-block))))
  (should
   (= 5
      (org-test-with-temp-text
	  "One at the end of a line: <point>src_emacs-lisp[:results silent\
 :exports code]{(+ 4 1)}"
	(org-babel-execute-src-block))))
  (should
   (= 6
      (org-test-with-temp-text
	  "src_emacs-lisp[:results silent :exports code]{(+ 5 1)}\
at the beginning of a line."
	(org-babel-execute-src-block))))
  (should
   (= 7
      (org-test-with-temp-text
	  "One also evaluated: <point>src_emacs-lisp[:exports both\
 :results silent]{(+ 6 1)}"
	(org-babel-execute-src-block)))))

(ert-deftest test-ob/inline-src_blk-default-results-replace-line-1 ()
  (let ((test-line "src_sh[:results output]{echo 1}")
	(org-babel-inline-result-wrap "=%s="))
    ;; src_ at bol line 1...
    (org-test-with-temp-text
	test-line
      (goto-char (point-min)) (org-babel-execute-maybe)
      (should (string=
                      (concat test-line " {{{results(=1=)}}}")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (forward-char) (org-babel-execute-maybe)
      (should (string=
                      (concat test-line " {{{results(=1=)}}}")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (re-search-forward "{{{")
     ;;(should-error (org-ctrl-c-ctrl-c))
      (backward-char 4) ;; last char of block body
      (org-babel-execute-maybe)
      (should (string=
                      (concat test-line " {{{results(=1=)}}}")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol)))))
    ;; src_ follows space line 1...
    (let ((test-line " src_emacs-lisp{ 1 }"))
      (org-test-with-temp-text
	  test-line
	(should-error (org-ctrl-c-ctrl-c))
	(forward-char) (org-babel-execute-maybe)
	(should (string=
		 (concat test-line " {{{results(=1=)}}}")
		 (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
	(re-search-forward "{ 1 ") (org-babel-execute-maybe)
	(should (string=
		 (concat test-line " {{{results(=1=)}}}")
		 (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
	(forward-char 6)
	(should-error (org-ctrl-c-ctrl-c))))
    ;; Results on a subsequent line are replaced.
    (should
     (equal
      "src_emacs-lisp{(+ 1 2)}\n  {{{results(=3=)}}}"
      (org-test-with-temp-text "src_emacs-lisp{(+ 1 2)}\n  {{{results(=2=)}}}"
	(let ((org-babel-inline-result-wrap "=%s=")) (org-babel-execute-maybe))
	(buffer-string))))
    ;; Also handle results at the beginning of a line.
    (should
     (equal
      "src_emacs-lisp{(+ 1 2)}\n{{{results(=3=)}}}"
      (org-test-with-temp-text "src_emacs-lisp{(+ 1 2)}\n{{{results(=2=)}}}"
	(let ((org-babel-inline-result-wrap "=%s=")) (org-babel-execute-maybe))
	(buffer-string))))))

(ert-deftest test-ob/inline-src_blk-default-results-replace-line-2 ()
  ;; src_ at bol line 2...
  (let ((test-line " src_emacs-lisp{ \"x\" }")
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text
	(concat "\n" test-line)
      (should-error (org-ctrl-c-ctrl-c))
      (goto-char (point-min))
      (should-error (org-ctrl-c-ctrl-c))
      (forward-line)
      (should-error (org-ctrl-c-ctrl-c))
      (forward-char) (org-babel-execute-maybe)
      (should (string=
	       (concat test-line " {{{results(=x=)}}}")
	       (buffer-substring-no-properties
		(point-at-bol) (point-at-eol))))))
  (let ((test-line "Some text prior to block src_emacs-lisp{ \"y\" }")
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text
	test-line
      (goto-char (point-max))
      (insert (concat "\n" test-line " end"))
      (re-search-backward "src") (org-babel-execute-maybe)
      (should (string=
	       (concat test-line " {{{results(=y=)}}} end")
	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (re-search-forward "\" ") (org-babel-execute-maybe)
      (should (string=
	       (concat test-line " {{{results(=y=)}}} end")
	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (forward-char 3)
      (should-error (org-ctrl-c-ctrl-c)))))

(ert-deftest test-ob/inline-src_blk-manual-results-replace ()
  (let ((test-line " src_emacs-lisp[:results replace]{ \"x\" }")
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text
	(concat "\n" test-line)
      (should-error (org-ctrl-c-ctrl-c))
      (goto-char (point-max))
      (org-babel-execute-maybe)
      (beginning-of-line)
      (should-error (org-ctrl-c-ctrl-c))
      (forward-char) (org-babel-execute-maybe)
      (should (string=
              (concat test-line " {{{results(=x=)}}}")
      	       (buffer-substring-no-properties
		(point-at-bol) (point-at-eol))))))
  (let ((test-line (concat " Some text prior to block "
			   "src_emacs-lisp[:results replace]{ \"y\" }"))
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text test-line
      (goto-char (point-max))
      (insert (concat "\n" test-line " end"))
      (re-search-backward "src") (org-babel-execute-maybe)
      (should (string=
              (concat test-line " {{{results(=y=)}}} end")
    	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (re-search-forward "\" ") (org-babel-execute-maybe)
      (should (string=
              (concat test-line " {{{results(=y=)}}} end")
    	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (forward-char 3)
      (should-error (org-ctrl-c-ctrl-c)))))

(ert-deftest test-ob/inline-src_blk-results-silent ()
  (let ((test-line "src_emacs-lisp[ :results silent ]{ \"x\" }"))
    (org-test-with-temp-text test-line
      (org-babel-execute-maybe)
      (should (string= test-line
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))))
  (let ((test-line (concat " Some text prior to block src_emacs-lisp"
			   "[ :results silent ]{ \"y\" }")))
    (org-test-with-temp-text
	test-line
      (goto-char (point-max))
      (insert (concat "\n" test-line " end"))
      (re-search-backward "src_") (org-babel-execute-maybe)
      (should (string= (concat test-line " end")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (re-search-forward "\" ") (org-babel-execute-maybe)
      (should (string= (concat test-line " end")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (forward-char 2)
      (should-error (org-ctrl-c-ctrl-c)))))

(ert-deftest test-ob/inline-src_blk-results-raw ()
  (let ((test-line "src_emacs-lisp[ :results raw ]{ \"x\" }"))
    (org-test-with-temp-text test-line
      (org-babel-execute-maybe)
      (should (string= (concat test-line " x")
		       (buffer-string)))))
  (let ((test-line (concat " Some text prior to block "
			   "src_emacs-lisp[ :results raw ]{ \"the\" }")))
    (org-test-with-temp-text (concat test-line " end")
      (re-search-forward "src_") (org-babel-execute-maybe)
      (should (string= (concat test-line " the end")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (re-search-forward "\" ") (org-babel-execute-maybe)
      (should (string= (concat test-line " the the end")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (forward-char 2)
      (should-error (org-ctrl-c-ctrl-c)))))

(ert-deftest test-ob/inline-src_blk-results-file ()
  (let ((test-line "src_emacs-lisp[ :results file ]{ \"~/test-file\"  }"))
    (org-test-with-temp-text
	test-line
      (org-babel-execute-maybe)
      (should (string= (concat test-line " {{{results([[file:~/test-file]])}}}")
		       (buffer-substring-no-properties
			(point-min) (point-max)))))))

(ert-deftest test-ob/inline-src_blk-results-scalar ()
  (let ((test-line "src_emacs-lisp[ :results scalar ]{ \"x\"  }")
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text
	test-line
      (org-babel-execute-maybe)
      (should (string= (concat test-line  " {{{results(=\"x\"=)}}}")
		       (buffer-substring-no-properties
			(point-min) (point-max)))))))

(ert-deftest test-ob/inline-src_blk-results-verbatim ()
  (let ((test-line "src_emacs-lisp[ :results verbatim ]{ \"x\"  }")
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text
	test-line
      (org-babel-execute-maybe)
      (should (string= (concat test-line " {{{results(=\"x\"=)}}}")
		       (buffer-substring-no-properties
			(point-min) (point-max)))))))

(ert-deftest test-ob/inline-src_blk-wrap ()
  (let ((org-babel-inline-result-wrap "=%s="))
    ;; Export: use export snippet.
    (should
     (string-match-p
      "@@foo:1@@"
      (org-test-with-temp-text "src_emacs-lisp[:wrap export foo]{1}"
	(org-babel-execute-maybe)
	(buffer-string))))
    (should
     (string-match-p
      "src_foo{1}"
      (org-test-with-temp-text "src_emacs-lisp[:wrap src foo]{1}"
	(org-babel-execute-maybe)
	(buffer-string))))
    (should
     (string-match-p
      "src_foo\\[parameter\\]{1}"
      (org-test-with-temp-text "src_emacs-lisp[:wrap src foo parameter]{1}"
	(org-babel-execute-maybe)
	(buffer-string))))
    (should
     (string-match-p
      "=1="
      (org-test-with-temp-text "src_emacs-lisp[:wrap example]{1}"
	(org-babel-execute-maybe)
	(buffer-string))))
    ;; Anything else is ignored.
    (should
     (string-match-p
      "{{{results(1)}}}"
      (org-test-with-temp-text "src_emacs-lisp[:wrap foo]{1}"
	(org-babel-execute-maybe)
	(buffer-string))))
    (should
     (string-match-p
      "{{{results(a\\\\,b)}}}"
      (org-test-with-temp-text "src_emacs-lisp[:wrap foo]{\"a,b\"}"
	(org-babel-execute-maybe)
	(buffer-string))))))

(ert-deftest test-ob/combining-scalar-and-raw-result-types ()
  (org-test-with-temp-text-in-file "

#+begin_src sh :results scalar
echo \"[[file:./cv.cls]]\"
#+end_src

#+name:
: [[file:./cv.cls]]

#+begin_src sh :results raw scalar
   echo \"[[file:./cv.cls]]\"
#+end_src
"
    (cl-flet ((next-result ()
			   (org-babel-next-src-block)
			   (org-babel-execute-src-block)
			   (goto-char (org-babel-where-is-src-block-result))
			   (forward-line 1)))
      (goto-char (point-min))
      (next-result)
      (should (eq (org-element-type (org-element-at-point)) 'fixed-width))
      (next-result)
      (should-not
       (eq (org-element-type (org-element-at-point)) 'fixed-width)))))

(ert-deftest test-ob/no-defaut-value-for-var ()
  "Test that the absence of a default value for a variable DOES THROW
  a proper error."
  (org-test-at-id "f2df5ba6-75fa-4e6b-8441-65ed84963627"
    (org-babel-next-src-block)
    (let ((err
	   (should-error (org-babel-execute-src-block) :type 'error)))
      (should
       (equal
	'(error
	  "Variable \"x\" must be assigned a default value")
	err)))))

(ert-deftest test-ob/just-one-results-block ()
  "Test that evaluating two times the same code block does not result in a
duplicate results block."
  (org-test-with-temp-text "#+begin_src sh :results output\necho Hello\n#+end_src\n"
    (org-babel-execute-src-block)
    (org-babel-execute-src-block)     ; second code block execution
    (should (search-forward "Hello")) ; the string inside the source code block
    (should (search-forward "Hello")) ; the same string in the results block
    (should-error (search-forward "Hello"))))

(ert-deftest test-ob/nested-code-block ()
  "Test nested code blocks inside code blocks don't cause problems."
  (should
   (string= "#+begin_src emacs-lisp\n  'foo\n#+end_src"
	    (org-test-with-temp-text "#+begin_src org :results silent
  ,#+begin_src emacs-lisp
    'foo
  ,#+end_src
#+end_src"
	      (let ((org-edit-src-content-indentation 2)
		    (org-src-preserve-indentation nil))
		(org-babel-execute-src-block))))))

(ert-deftest test-ob/partial-nested-code-block ()
  "Test nested code blocks inside code blocks don't cause problems."
  (org-test-with-temp-text "#+begin_src org :results silent
  ,#+begin_src emacs-lisp
#+end_src"
    (should (string= "#+begin_src emacs-lisp" (org-babel-execute-src-block)))))

(ert-deftest test-ob/does-not-replace-a-block-with-the-results ()
  (org-test-with-temp-text "#+NAME: foo
#+BEGIN_SRC emacs-lisp
 'foo
#+END_SRC\n"
    (org-babel-next-src-block 1)
    (should (eq 'foo (org-babel-execute-src-block)))
    (goto-char (point-min))
    (org-babel-next-src-block 1)
    (should (looking-at org-babel-src-block-regexp))))

(ert-deftest test-ob/replace-special-block-result ()
  (should-error
   (org-test-with-temp-text "
#+begin_src emacs-lisp :wrap special<point>
'foo
#+end_src"
     (org-babel-execute-src-block)
     (org-babel-execute-src-block)
     (buffer-string)
     (search-forward "#+begin_special" nil nil 2))))

(ert-deftest test-ob/catches-all-references ()
  (org-test-with-temp-text "
#+NAME: literal-example
#+BEGIN_EXAMPLE
A literal example
on two lines
#+END_EXAMPLE

#+NAME: read-literal-example
#+BEGIN_SRC emacs-lisp :var x=literal-example
  (cl-concatenate 'string x \" for me.\")
#+END_SRC"
    (org-babel-next-src-block 1)
    (should (string= (org-babel-execute-src-block)
		     "A literal example\non two lines\n for me."))))

(ert-deftest test-ob/ignore-reference-in-commented-headings ()
  (should
   (= 2
      (org-test-with-temp-text
	  "
* COMMENT H1
#+NAME: n
: 1

* H2
#+NAME: n
: 2

* Code

<point>#+BEGIN_SRC emacs-lisp :var x=n
x
#+END_SRC"
	(org-babel-execute-src-block)))))

(ert-deftest test-ob/do-not-resolve-to-partial-names-data ()
  (org-test-with-temp-text "
#+name: base_plus
| 1 |
| 2 |

#+name: base
| 3 |
| 4 |

#+begin_src emacs-lisp :var x=base
  x
#+end_src"
    (org-babel-next-src-block 1)
    (should (equal (org-babel-execute-src-block) '((3) (4))))))

(ert-deftest test-ob/do-not-resolve-to-partial-names-code ()
  (org-test-with-temp-text "
#+name: base_plus
#+begin_src emacs-lisp
  'bar
#+end_src

#+name: base
#+begin_src emacs-lisp
  'foo
#+end_src

#+begin_src emacs-lisp :var x=base
  x
#+end_src"
    (org-babel-next-src-block 3)
    (should (equal (org-babel-execute-src-block) "foo"))))

(ert-deftest test-ob/allow-spaces-around-=-in-var-specs ()
  (org-test-with-temp-text "#+begin_src emacs-lisp :var a = 1 b = 2 c= 3 d =4
  (+ a b c d)
#+end_src
"
    (should (= 10 (org-babel-execute-src-block)))))

(ert-deftest test-ob/org-babel-update-intermediate ()
  (org-test-with-temp-text "#+name: foo
#+begin_src emacs-lisp
  2
#+end_src

#+results: foo
: 4

#+begin_src emacs-lisp :var it=foo
  (+ it 1)
#+end_src"
    (let ((org-babel-update-intermediate nil))
      (goto-char (point-min))
      (org-babel-next-src-block 2)
      (should (= 3 (org-babel-execute-src-block)))
      (goto-char (point-min))
      (forward-line 6)
      (should (looking-at ": 4")))
    (let ((org-babel-update-intermediate t))
      (goto-char (point-min))
      (org-babel-next-src-block 2)
      (should (= 3 (org-babel-execute-src-block)))
      (goto-char (point-min))
      (forward-line 6)
      (should (looking-at ": 2")))))

(ert-deftest test-ob/eval-header-argument ()
  (defvar test-ob--foo)
  (cl-flet ((check-eval (eval runp)
			(org-test-with-temp-text (format "#+begin_src emacs-lisp :eval %s
  (setq test-ob--foo :evald)
#+end_src" eval)
			  (let ((test-ob--foo :not-run))
			    (if runp
				(progn (should (org-babel-execute-src-block))
				       (should (eq test-ob--foo :evald)))
			      (progn (should-not (org-babel-execute-src-block))
				     (should-not (eq test-ob--foo :evald))))))))
    (check-eval "never" nil)
    (check-eval "no" nil)
    (check-eval "never-export" t)
    (check-eval "no-export" t)
    (let ((org-babel-exp-reference-buffer (current-buffer)))
      (check-eval "never" nil)
      (check-eval "no" nil)
      (check-eval "never-export" nil)
      (check-eval "no-export" nil))))

(ert-deftest test-ob/noweb-expansion ()
  ;; Standard test.
  (should
   (string=
    "bar"
    (org-test-with-temp-text "#+begin_src sh :results output :tangle yes
  <<foo>>
#+end_src

#+name: foo
#+begin_src sh
  bar
#+end_src"
      (org-babel-expand-noweb-references))))
  ;; Handle :noweb-sep.
  (should
   (string=
    "barbaz"
    (org-test-with-temp-text "#+begin_src sh :results output :tangle yes
  <<foo>>
#+end_src

#+begin_src sh :noweb-ref foo :noweb-sep \"\"
  bar
#+end_src

#+begin_src sh :noweb-ref foo :noweb-sep \"\"
  baz
#+end_src"
      (org-babel-expand-noweb-references))))
  ;; :noweb-ref is extracted from definition, not point of call.
  (should
   (string=
    "(+ 1 1)"
    (org-test-with-temp-text
	"
* Call
:PROPERTIES:
:header-args: :noweb-ref bar
:END:

<point>#+begin_src emacs-lisp :results output :tangle yes
  <<foo>>
#+end_src

* Evaluation
:PROPERTIES:
:header-args: :noweb-ref foo
:END:

#+begin_src sh :noweb-sep \"\"
  (+ 1 1)
#+end_src"
      (org-babel-expand-noweb-references))))
  ;; Handle recursive expansion.
  (should
   (equal "baz"
	  (org-test-with-temp-text "
#+begin_src emacs-lisp :noweb yes<point>
  <<foo>>
#+end_src

#+name: foo
#+begin_src emacs-lisp :noweb yes
  <<bar>>
#+end_src

#+name: bar
#+begin_src emacs-lisp
  baz
#+end_src"
	    (org-babel-expand-noweb-references))))
  ;; During recursive expansion, obey to `:noweb' property.
  (should
   (equal "<<bar>>"
	  (org-test-with-temp-text "
#+begin_src emacs-lisp :noweb yes<point>
  <<foo>>
#+end_src

#+name: foo
#+begin_src emacs-lisp :noweb no
  <<bar>>
#+end_src

#+name: bar
#+begin_src emacs-lisp
  baz
#+end_src"
	    (org-babel-expand-noweb-references))))
  ;; Respect COMMENT headlines
  (should
   (equal "C"
	  (org-test-with-temp-text "
#+begin_src emacs-lisp :noweb yes<point>
  <<foo>>
#+end_src

* COMMENT A
#+name: foo
#+begin_src emacs-lisp
  A
#+end_src

* COMMENT B
#+begin_src emacs-lisp :noweb-ref foo
  B
#+end_src

* C
#+begin_src emacs-lisp :noweb-ref foo
  C
#+end_src"
	    (org-babel-expand-noweb-references))))
  ;; Preserve case when replacing Noweb reference.
  (should
   (equal "(ignore)"
	  (org-test-with-temp-text "
#+begin_src emacs-lisp :noweb-ref AA
\(ignore)
#+end_src

#+begin_src emacs-lisp :noweb yes<point>
<<AA>>
#+end_src"
	    (org-babel-expand-noweb-references))))
  ;; Test :noweb-ref expansion.
  (should
   (equal "(message \"!! %s\" \"Running confpkg-test-setup\")

(message \"- Ran `%s'\" 'confpkg-test-strip-package-statements)

(message \"!! %s\" \"Still running confpkg-test-setup\")

(message \"- Ran elisp blocks in `%s'\" 'confpkg-test-dependency-analysis)

(message \"!! %s\" \"End of confpkg-test-setup\")"
          (org-test-with-temp-text "
* Setup

#+name: confpkg-test-setup
#+begin_src emacs-lisp :results silent :noweb no-export
(message \"!! %s\" \"Running confpkg-test-setup\")

<<confpkg-test-strip-package-statements>>

(message \"!! %s\" \"Still running confpkg-test-setup\")

<<confpkg-test-dependency-analysis>>

(message \"!! %s\" \"End of confpkg-test-setup\")
#+end_src

#+call: confpkg-test-setup[:results none]()

* Identify cross-package dependencies

#+begin_src emacs-lisp :noweb-ref confpkg-test-dependency-analysis
(message \"- Ran elisp blocks in `%s'\" 'confpkg-test-dependency-analysis)
#+end_src

* Commenting out ~package!~ statements

#+name: confpkg-test-strip-package-statements
#+begin_src emacs-lisp
(message \"- Ran `%s'\" 'confpkg-test-strip-package-statements)
#+end_src
"
            (goto-char (point-min))
            (search-forward "begin_src")
            (org-babel-expand-noweb-references)))))

(ert-deftest test-ob/splitting-variable-lists-in-references ()
  (org-test-with-temp-text ""
    (should (= 1 (length (org-babel-ref-split-args
			  "a=\"this, no work\""))))
    (should (= 2 (length (org-babel-ref-split-args
			  "a=\"this, no work\", b=1"))))))

(ert-deftest test-ob/balanced-split ()
  "Test `org-babel-balanced-split' specifications."
  (should (equal
	   '(":a 1" "b [2 3]" "c (4 :d (5 6))")
	   (org-babel-balanced-split ":a 1 :b [2 3] :c (4 :d (5 6))"
				     '((32 9) . 58))))
  ;; Handle un-balanced parens.
  (should
   (equal '(":foo ((6)" "bar 1")
	  (org-babel-balanced-split ":foo ((6) :bar 1" '((32 9) . 58))))
  (should
   (equal '(":foo \"(foo\"" "bar 2")
	  (org-babel-balanced-split ":foo \"(foo\" :bar 2" '((32 9) . 58))))
  ;; Handle un-balanced quotes.
  (should
   (equal '(":foo \"1" "bar 3")
	  (org-babel-balanced-split ":foo \"1 :bar 3" '((32 9) . 58))))
  ;; Handle empty string.
  (should
   (equal '(":foo \"\"")
	  (org-babel-balanced-split ":foo \"\"" '((32 9) . 58))))
  ;; Handle control characters within double quotes.
  (should
   (equal '(":foo \"\\n\"")
	  (org-babel-balanced-split ":foo \"\\n\"" '((32 9) . 58)))))

(ert-deftest test-ob/commented-last-block-line-no-var ()
  (org-test-with-temp-text-in-file "
#+begin_src emacs-lisp
;;
#+end_src"
    (org-babel-next-src-block)
    (org-babel-execute-maybe)
    (should (re-search-forward "\\#\\+results:" nil t))
    (forward-line)
    (should
     (string=
      ""
      (buffer-substring-no-properties (point-at-bol) (point-at-eol)))))
  (org-test-with-temp-text-in-file "
#+begin_src emacs-lisp
\"some text\";;
#+end_src"
    (org-babel-next-src-block)
    (org-babel-execute-maybe)
    (should (re-search-forward "\\#\\+results:" nil t))
    (forward-line)
    (should
     (string=
      ": some text"
      (buffer-substring-no-properties (point-at-bol) (point-at-eol))))))

(ert-deftest test-ob/commented-last-block-line-with-var ()
  (org-test-with-temp-text-in-file "
#+begin_src emacs-lisp :var a=1
;;
#+end_src"
    (org-babel-next-src-block)
    (org-babel-execute-maybe)
    (re-search-forward "\\#\\+results:" nil t)
    (forward-line)
    (should (string=
	     ""
	     (buffer-substring-no-properties (point-at-bol) (point-at-eol)))))
  (org-test-with-temp-text-in-file "
#+begin_src emacs-lisp :var a=2
2;;
#+end_src"
    (org-babel-next-src-block)
    (org-babel-execute-maybe)
    (re-search-forward "\\#\\+results:" nil t)
    (forward-line)
    (should (string=
	     ": 2"
	     (buffer-substring-no-properties (point-at-bol) (point-at-eol))))))

(ert-deftest test-ob/org-babel-insert-result ()
  "Test `org-babel-insert-result' specifications."
  ;; Do not error when output is an improper list.
  (should
   (org-test-with-temp-text
       "
<point>#+BEGIN_SRC emacs-lisp
'((1 . nil) (2 . 3))
#+END_SRC
"
     (org-babel-execute-maybe) t))
  ;; Escape headlines when producing an example block.
  (should
   (string-match-p
    ",\\* Not an headline"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp
\"* Not an headline\"
#+END_SRC
"
      (let ((org-babel-min-lines-for-block-output 1)) (org-babel-execute-maybe))
      (buffer-string))))
  ;; Escape special syntax in example blocks.
  (should
   (string-match-p
    ",#\\+END_SRC"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp
\"#+END_SRC\"
#+END_SRC
"
      (let ((org-babel-min-lines-for-block-output 1)) (org-babel-execute-maybe))
      (buffer-string))))
  ;; No escaping is done with other blocks or raw type.
  (should-not
   (string-match-p
    ",\\* Not an headline"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp
\"* Not an headline\"
#+END_SRC
"
      (let ((org-babel-min-lines-for-block-output 10))
	(org-babel-execute-maybe))
      (buffer-string))))
  (should-not
   (string-match-p
    ",\\* Not an headline"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp :results raw
\"* Not an headline\"
#+END_SRC
"
      (org-babel-execute-maybe)
      (buffer-string))))
  (should-not
   (string-match-p
    ",\\* Not an headline"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp :results drawer
\"* Not an headline\"
#+END_SRC
"
      (org-babel-execute-maybe)
      (buffer-string)))))

(ert-deftest test-ob/remove-inline-result ()
  "Test `org-babel-remove-inline-result' honors whitespace."
  (let*
      ((inline-sb "src_emacs-lisp{(+ 1 2)}")
       (inline-res " {{{results(=3=)}}}")
       (inline-sb-dot (concat inline-sb "."))
       (inline-sb-res-dot (concat inline-sb inline-res ".")))
    (org-test-with-temp-text
	;; Insert inline_src_block followed by dot.
	inline-sb-dot
      ;; Insert result before dot.
      (org-babel-execute-maybe)
      (should (string= inline-sb-res-dot
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      ;; Delete whitespace and result.
      (org-babel-remove-inline-result)
      (should (string= inline-sb-dot
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      ;; Add whitespace and result before dot.
      (search-forward inline-sb)
      (insert "     " inline-res)
      (goto-char (point-at-bol))
      ;; Remove whitespace and result.
      (org-babel-remove-inline-result)
      (should (string= inline-sb-dot
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      ;; Add whitespace before dot.
      (search-forward inline-sb)
      (insert "     ")
      (goto-char (point-at-bol))
      ;; Add result before whitespace.
      (org-babel-execute-maybe)
      ;; Remove result - leave trailing whitespace and dot.
      (org-babel-remove-inline-result)
      (should (string= (concat inline-sb "     .")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol)))))))

(ert-deftest test-ob/org-babel-remove-result--results-default ()
  "Test `org-babel-remove-result' with default :results."
  (mapcar (lambda (language)
	    (test-ob-verify-result-and-removed-result
	     "\n"
	     (concat
	      "* org-babel-remove-result
#+begin_src " language "
#+end_src

* next heading")))
	  '("emacs-lisp")))

(ert-deftest test-ob/org-babel-results-indented-wrap ()
  "Ensure that wrapped results are inserted correction when indented.
If not inserted correctly then the second evaluation will fail
trying to find the :END: marker."
  (org-test-with-temp-text
      "- indented
  #+begin_src sh :results file wrap
    echo test.txt
  #+end_src"
    (org-babel-next-src-block 1)
    (org-babel-execute-src-block)
    (org-babel-execute-src-block)))

(ert-deftest test-ob/org-babel-results-indented-list ()
  "Test that :results value list indents multi-line items correctly."
  (should
   (string= "- Foo1
  Bar1
- Foo2

  Bar2
"
            (org-test-with-temp-text
                "#+begin_src emacs-lisp :results value list
'(\"Foo1
Bar1\"
  \"Foo2

Bar2\")
#+end_src"
              (org-babel-execute-src-block)
              (org-forward-element)
              (org-narrow-to-element)
              (delete-trailing-whitespace)
              (buffer-string)))))

(ert-deftest test-ob/file-desc-header-argument ()
  "Test that the :file-desc header argument is used."
  (org-test-with-temp-text "#+begin_src emacs-lisp :results file :file-desc bar
  \"foo\"
#+end_src

#+begin_src emacs-lisp :results file :file-desc
  \"foo\"
#+end_src"
    (org-babel-execute-src-block)
    (org-babel-next-src-block 1)
    (org-babel-execute-src-block)
    (goto-char (point-min))
    (should (search-forward "[[file:foo][bar]]" nil t))
    (should (search-forward "[[file:foo][foo]]" nil t)))
  (should (string-match-p
           (regexp-quote "[[file:foo]]")
           (org-test-with-temp-text "
#+begin_src emacs-lisp :results file :file-desc []
  \"foo\"
#+end_src"
             (org-babel-next-src-block)
             (org-babel-execute-src-block)
             (buffer-substring-no-properties (point-min) (point-max)))))
  (should (string-match-p
           (regexp-quote "[[file:foo][foo]]")
           (org-test-with-temp-text "
#+begin_src emacs-lisp :results file :file-desc
  \"foo\"
#+end_src"
             (org-babel-next-src-block)
             (org-babel-execute-src-block)
             (buffer-substring-no-properties (point-min) (point-max))))))

(ert-deftest test-ob/result-file-link-type-header-argument ()
  "Ensure that the result is a link to a file.
The file is just a link to `:file' value.  Inhibit non-empty
result write to `:file' value."
  (org-test-with-temp-text "
<point>#+begin_src shell :results value file link :file \"/tmp/test.txt\"
echo \"hello\" > /tmp/test.txt
echo \"test\"
#+end_src"
    (org-babel-execute-src-block)
    (should (search-forward "[[file:/tmp/test.txt]]" nil t))
    (should (with-temp-buffer
	      (insert-file-contents "/tmp/test.txt")
	      (string= "hello\n" (buffer-string)))))
  ;; Without "link" output type, the result is not a file.
  (should-not
   (org-test-with-temp-text "
<point>#+begin_src shell :results value link :file \"/tmp/test.txt\"
echo \"hello\" > /tmp/test.txt
echo \"test\"
#+end_src"
     (org-babel-execute-src-block)
     (search-forward "[[file:/tmp/test.txt]]" nil t))))

(ert-deftest test-ob/result-graphics-link-type-header-argument ()
  "Ensure that the result is a link to a file.
The file is just a link to `:file' value.  Inhibit non-empty
result write to `:file' value."
  (org-test-with-temp-text "
<point>#+begin_src shell :results value file graphics :file \"/tmp/test.txt\"
echo \"hello\" > /tmp/test.txt
echo \"test\"
#+end_src"
    (org-babel-execute-src-block)
    (should (search-forward "[[file:/tmp/test.txt]]" nil nil))
    (should (with-temp-buffer
	      (insert-file-contents "/tmp/test.txt")
	      (string= "hello\n" (buffer-string)))))
  ;; Without "link" output type, the result is not a file.
  (should-not
   (org-test-with-temp-text "
<point>#+begin_src shell :results value graphics :file \"/tmp/test.txt\"
echo \"hello\" > /tmp/test.txt
echo \"test\"
#+end_src"
     (org-babel-execute-src-block)
     (search-forward "[[file:/tmp/test.txt]]" nil t))))

(ert-deftest test-ob/inline-src_blk-preceded-punct-preceded-by-point ()
  (let ((test-line ".src_emacs-lisp[ :results verbatim ]{ \"x\"  }")
	(org-babel-inline-result-wrap "=%s="))
    (org-test-with-temp-text
	test-line
      (forward-char 1)
      (org-babel-execute-maybe)
      (should (re-search-forward "=\"x\"=" nil t))
      (forward-line))))

(defun test-ob-verify-result-and-removed-result (result buffer-text)
  "Test helper function to test `org-babel-remove-result'.
A temp buffer is populated with BUFFER-TEXT, the first block is executed,
and the result of execution is verified against RESULT.

The block is actually executed /twice/ to ensure result
replacement happens correctly."
  (org-test-with-temp-text
      buffer-text
    (org-babel-next-src-block) (org-babel-execute-maybe) (org-babel-execute-maybe)
    (should (re-search-forward "\\#\\+results:" nil t))
    (forward-line)
    (should (string= result
		     (buffer-substring-no-properties
		      (point-at-bol)
		      (- (point-max) 16))))
    (org-babel-previous-src-block) (org-babel-remove-result)
    (should (string= buffer-text
		     (buffer-substring-no-properties
		      (point-min) (point-max))))))

(ert-deftest test-ob/org-babel-remove-result--results-list ()
  "Test `org-babel-remove-result' with :results list."
  (test-ob-verify-result-and-removed-result
   "- 1
- 2
- 3"

   "* org-babel-remove-result
#+begin_src emacs-lisp :results list
'(1 2 3)
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--results-wrap ()
  "Test `org-babel-remove-result' with :results wrap."
  (test-ob-verify-result-and-removed-result
   ":results:
hello there
:end:"

   "* org-babel-remove-result

#+begin_src emacs-lisp :results wrap
\"hello there\"
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--results-org ()
  "Test `org-babel-remove-result' with :results org."
  (test-ob-verify-result-and-removed-result
   "#+begin_src org
,* heading
,** subheading
content
#+end_src"

   "* org-babel-remove-result
#+begin_src emacs-lisp :results org
\"* heading
,** subheading
content\"
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--results-html ()
  "Test `org-babel-remove-result' with :results html."
  (test-ob-verify-result-and-removed-result
   "#+begin_export html
<head><body></body></head>
#+end_export"

   "* org-babel-remove-result
#+begin_src emacs-lisp :results html
\"<head><body></body></head>\"
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--results-latex ()
  "Test `org-babel-remove-result' with :results latex."
  (test-ob-verify-result-and-removed-result
   "#+begin_export latex
Line 1
Line 2
Line 3
#+end_export"

   "* org-babel-remove-result
#+begin_src emacs-lisp :results latex
\"Line 1
Line 2
Line 3\"
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--results-code ()
  "Test `org-babel-remove-result' with :results code."

  (test-ob-verify-result-and-removed-result
   "#+begin_src emacs-lisp
\"I am working!\"
#+end_src"

   "* org-babel-remove-result
#+begin_src emacs-lisp :results code
(message \"I am working!\")
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--results-pp ()
  "Test `org-babel-remove-result' with :results pp."
  (test-ob-verify-result-and-removed-result
   ": \"I /am/ working!\""

   "* org-babel-remove-result
#+begin_src emacs-lisp :results pp
\"I /am/ working!\")
#+end_src

* next heading"))

(ert-deftest test-ob/org-babel-remove-result--no-blank-line ()
  "Test `org-babel-remove-result' without blank line between code and results."
  (should
   (equal "
#+begin_src emacs-lisp
  (+ 1 1)
#+end_src
#+results:
: 2
* next heading"
	  (org-test-with-temp-text
	      "
<point>#+begin_src emacs-lisp
  (+ 1 1)
#+end_src
#+results:
: 2
* next heading"
	    (org-babel-execute-maybe)
	    (buffer-string)))))

(ert-deftest test-ob/results-do-not-replace-code-blocks ()
  (org-test-with-temp-text "Block two has a space after the name.

  #+name: foo
  #+begin_src emacs-lisp
    1
  #+end_src

#+name: foo
#+begin_src emacs-lisp
  2
#+end_src

#+name: foo
#+begin_src emacs-lisp
  3
#+end_src

#+RESULTS: foo
: foo
"
    (dolist (num '(1 2 3))
      ;; execute the block
      (goto-char (point-min))
      (org-babel-next-src-block num) (org-babel-execute-src-block)
      ;; check the results
      (goto-char (point-max))
      (move-beginning-of-line 0)
      (should (looking-at (format ": %d" num))))))

(ert-deftest test-ob/blocks-with-spaces ()
  "Test expansion of blocks followed by blank lines."
  ;; Preserve number of blank lines after block.
  (should
   (equal "#+BEGIN_SRC emacs-lisp
\(+ 1 2)
#+END_SRC

#+RESULTS:
: 3\n\n\n"
	  (org-test-with-temp-text "#+BEGIN_SRC emacs-lisp
\(+ 1 2)
#+END_SRC\n\n\n"
	    (let ((org-babel-results-keyword "RESULTS"))
	      (org-babel-execute-src-block))
	    (buffer-string))))
  ;; Do not add spurious blank lines after results.
  (should
   (equal
    "
- item 1

  #+begin_src emacs-lisp
  0
  #+end_src

  #+RESULTS:
  : 0

- item 2"
    (org-test-with-temp-text "
- item 1

  #+begin_src emacs-lisp<point>
  0
  #+end_src

- item 2"
      (org-babel-execute-src-block)
      (buffer-string))))
  (should
   (equal
    "
- item 1

  #+begin_src emacs-lisp
  1
  #+end_src

  #+RESULTS:
  : 1

- item 2"
    (org-test-with-temp-text "
- item 1

  #+begin_src emacs-lisp<point>
  1
  #+end_src

  #+RESULTS:
  : 1

- item 2"
      (org-babel-execute-src-block)
      (buffer-string)))))

(ert-deftest test-ob/results-in-narrowed-buffer ()
  "Test block execution in a narrowed buffer."
  ;; If results don't exist, they should be inserted in visible part
  ;; of the buffer.
  (should
   (equal
    "#+BEGIN_SRC emacs-lisp\n(+ 1 2)\n#+END_SRC\n\n#+RESULTS:\n: 3"
    (org-test-with-temp-text
	"#+BEGIN_SRC emacs-lisp\n(+ 1 2)\n#+END_SRC\n\nParagraph"
      (narrow-to-region (point) (save-excursion (forward-line 3) (point)))
      (let ((org-babel-results-keyword "RESULTS"))
	(org-babel-execute-src-block))
      (org-trim (buffer-string)))))
  (should
   (equal
    "#+NAME: test\n#+BEGIN_SRC emacs-lisp\n(+ 1 2)\n#+END_SRC\n\n#+RESULTS: test\n: 3"
    (org-test-with-temp-text
	"#+NAME: test\n#+BEGIN_SRC emacs-lisp\n(+ 1 2)\n#+END_SRC\n\nParagraph"
      (narrow-to-region (point) (save-excursion (forward-line 4) (point)))
      (let ((org-babel-results-keyword "RESULTS"))
	(org-babel-execute-src-block))
      (org-trim (buffer-string)))))
  ;; Results in visible part of buffer, should be updated here.
  (should
   (equal
    "#+NAME: test
#+BEGIN_SRC emacs-lisp
\(+ 1 2)
#+END_SRC

#+RESULTS: test
: 3"
    (org-test-with-temp-text
	"#+NAME: test
#+BEGIN_SRC emacs-lisp
\(+ 1 2)
#+END_SRC

#+RESULTS: test
: 4
<point>
Paragraph"
      (narrow-to-region (point-min) (point))
      (goto-char (point-min))
      (let ((org-babel-results-keyword "RESULTS"))
	(org-babel-execute-src-block))
      (org-trim (buffer-string)))))
  ;; Results in invisible part of buffer, should be updated there.
  (org-test-with-temp-text
      "#+NAME: test
#+BEGIN_SRC emacs-lisp
\(+ 1 2)
#+END_SRC

#+RESULTS: test
: 4

Paragraph"
    (narrow-to-region (point) (save-excursion (forward-line 4) (point)))
    (let ((org-babel-results-keyword "RESULTS"))
      (org-babel-execute-src-block))
    (should-not (re-search-forward "^#\\+RESULTS:" nil t))
    (widen)
    (should (re-search-forward "^: 3" nil t))))

(ert-deftest test-ob/specific-colnames ()
  "Test passing specific column names."
  (should
   (equal "#+name: input-table
| id | var1 |
|----+------|
|  1 | bar  |
|  2 | baz  |

#+begin_src sh :var data=input-table :results table :exports results :colnames '(Rev Author)
echo \"$data\"
#+end_src

#+RESULTS:
| Rev | Author |
|-----+--------|
|   1 | bar    |
|   2 | baz    |
"
	  (org-test-with-temp-text
	      "#+name: input-table
| id | var1 |
|----+------|
|  1 | bar  |
|  2 | baz  |

#+begin_src sh :var data=input-table :results table :exports results :colnames '(Rev Author)
echo \"$data\"
#+end_src
"
	    ;; we should find a code block
	    (should (re-search-forward org-babel-src-block-regexp nil t))
	    (goto-char (match-beginning 0))
	    ;; now that we've located the code block, it may be evaluated
	    (let ((org-babel-results-keyword "RESULTS"))
	      (org-babel-execute-src-block))
	    (buffer-string)))))

(ert-deftest test-ob/location-of-header-arg-eval ()
  "Test location of header argument evaluation."
  (org-test-with-temp-text "
#+name: top-block
#+begin_src emacs-lisp :var pt=(point)
  pt
#+end_src

#+name: bottom-block
#+begin_src emacs-lisp :var pt=top-block()
  pt
#+end_src
"
    ;; the value of the second block should be greater than the first
    (should
     (< (progn (re-search-forward org-babel-src-block-regexp nil t)
	       (goto-char (match-beginning 0))
	       (prog1 (save-match-data (org-babel-execute-src-block))
		 (goto-char (match-end 0))))
	(progn (re-search-forward org-babel-src-block-regexp nil t)
	       (goto-char (match-beginning 0))
	       (org-babel-execute-src-block))))))

(ert-deftest test-ob/preserve-results-indentation ()
  "Preserve indentation when executing a source block."
  (should
   (equal
    '(2 2)
    (org-test-with-temp-text "  #+begin_src emacs-lisp\n(+ 1 1)\n  #+end_src"
      (org-babel-execute-src-block)
      (let ((case-fold-search t)) (search-forward "RESULTS"))
      (list (current-indentation)
	    (progn (forward-line) (current-indentation))))))
  (should
   (equal
    '(2 2)
    (org-test-with-temp-text
	"  #+name: block\n  #+begin_src emacs-lisp\n(+ 1 1)\n  #+end_src"
      (org-babel-execute-src-block)
      (let ((case-fold-search t)) (search-forward "RESULTS"))
      (list (current-indentation)
	    (progn (forward-line) (current-indentation))))))
  ;; Don't get fooled by TAB-based indentation.
  (should
   (equal
    '(6 6)
    (org-test-with-temp-text
	"\t  #+begin_src emacs-lisp\n\t  (+ 1 1)\n\t  #+end_src"
      (setq tab-width 4)
      (org-babel-execute-src-block)
      (let ((case-fold-search t)) (search-forward "RESULTS"))
      (list (current-indentation)
	    (progn (forward-line) (current-indentation))))))
  ;; Properly indent examplified blocks.
  (should
   (equal
    "   #+begin_example
   0
   1
   2
   3
   4
   5
   6
   7
   8
   9
   #+end_example
"
    (org-test-with-temp-text
	"   #+begin_src emacs-lisp :results output
   (dotimes (i 10) (princ i) (princ \"\\n\"))
   #+end_src"
      (org-babel-execute-src-block)
      (search-forward "begin_example")
      (downcase
       (buffer-substring-no-properties (line-beginning-position)
				       (point-max))))))
  ;; Properly indent "org" blocks.
  (should
   (equal
    "   #+begin_src org
   0
   1
   2
   3
   4
   5
   6
   7
   8
   9
   #+end_src
"
    (org-test-with-temp-text
	"   #+begin_src emacs-lisp :results output org
   (dotimes (i 10) (princ i) (princ \"\\n\"))
   #+end_src"
      (org-babel-execute-src-block)
      (search-forward "begin_src org")
      (downcase
       (buffer-substring-no-properties (line-beginning-position)
				       (point-max)))))))

(ert-deftest test-ob/preserve-comma-escape ()
  "Preserve comma escapes when inserting results."
  (should
   (equal
    "#+begin_example
line 1
,* headline 2
,* headline 3
,* headline 4
,* headline 5
#+end_example
"
    (org-test-with-temp-text "#+begin_src emacs-lisp :wrap example
\"line 1
,* headline 2
,* headline 3
,* headline 4
,* headline 5
\"
#+end_src
"
      (org-babel-execute-src-block)
      (let ((case-fold-search t)) (search-forward "result" nil t))
      (downcase (buffer-substring-no-properties (line-beginning-position 2)
						(point-max))))))
  (should
   (string-match-p
    ",#"
    (org-test-with-temp-text "#+begin_src emacs-lisp :wrap export foo
\"#+keyword: value\"
#+end_src"
      (org-babel-execute-src-block)
      (buffer-string))))
  (should
   (string-match-p
    ",#"
    (org-test-with-temp-text "#+begin_src emacs-lisp :wrap src foo
\"#+keyword: value\"
#+end_src"
      (org-babel-execute-src-block)
      (buffer-string))))
  ;; Do not comma-escape when the block is not verbatim.
  (should-not
   (string-match-p
    ",#"
    (org-test-with-temp-text "#+begin_src emacs-lisp :wrap special
\"#+keyword: value\"
#+end_src"
      (org-babel-execute-src-block)
      (buffer-string)))))

(ert-deftest test-ob/safe-header-args ()
  "Detect safe and unsafe header args."
  (let ((safe-args '((:cache . "foo")
		     (:results . "output")
		     (:eval . "never")
		     (:eval . "query")))
	(unsafe-args '((:eval . "yes")
		       (:results . "output file")
		       (:foo . "bar")))
	(malformed-args '((bar . "foo")
			  ("foo" . "bar")
			  :foo))
	(safe-p (org-babel-header-args-safe-fn org-babel-safe-header-args)))
    (dolist (arg safe-args)
      (should (org-babel-one-header-arg-safe-p arg org-babel-safe-header-args)))
    (dolist (arg unsafe-args)
      (should (not (org-babel-one-header-arg-safe-p arg org-babel-safe-header-args))))
    (dolist (arg malformed-args)
      (should (not (org-babel-one-header-arg-safe-p arg org-babel-safe-header-args))))
    (should (not (funcall safe-p (append safe-args unsafe-args))))))

(ert-deftest test-ob/noweb-expansions-in-cache ()
  "Ensure that noweb expansions are expanded before caching."
  (defvar noweb-expansions-in-cache-var)
  (let ((noweb-expansions-in-cache-var 0))
    (org-test-with-temp-text "
#+name: foo
#+begin_src emacs-lisp
  \"I said\"
#+end_src

#+name: bar
#+begin_src emacs-lisp :noweb yes :cache yes
  (setq noweb-expansions-in-cache-var
        (+ 1 noweb-expansions-in-cache-var))
  (concat <<foo>> \" check noweb expansions\")
#+end_src
"
      ;; run the second block to create the cache
      (goto-char (point-min))
      (re-search-forward (regexp-quote "#+name: bar"))
      (should (string= "I said check noweb expansions"
		       (org-babel-execute-src-block)))
      (should (= noweb-expansions-in-cache-var 1))
      ;; change the value of the first block
      (goto-char (point-min))
      (re-search-forward (regexp-quote "said"))
      (goto-char (match-beginning 0))
      (insert "haven't ")
      (re-search-forward (regexp-quote "#+name: bar"))
      (should (string= "I haven't said check noweb expansions"
		       (org-babel-execute-src-block)))
      (should (= noweb-expansions-in-cache-var 2)))))

(ert-deftest test-ob/file-ext-and-output-dir ()
  (org-test-at-id "93573e1d-6486-442e-b6d0-3fedbdc37c9b"
    (org-babel-next-src-block)
    (should (equal  "file-ext-basic.txt"
		   (cdr (assq :file (nth 2 (org-babel-get-src-block-info t))))))
    (org-babel-next-src-block)
    (should (equal "foo/file-ext-dir-relative.txt"
		   (cdr (assq :file (nth 2 (org-babel-get-src-block-info t))))))
    (org-babel-next-src-block)
    (should (equal  "foo/file-ext-dir-relative-slash.txt"
		   (cdr (assq :file (nth 2 (org-babel-get-src-block-info t))))))
    (org-babel-next-src-block)
    (should (equal  "/tmp/file-ext-dir-absolute.txt"
		   (cdr (assq :file (nth 2 (org-babel-get-src-block-info t))))))
    (org-babel-next-src-block)
    (should (equal  "foo.bar"
		   (cdr (assq :file (nth 2 (org-babel-get-src-block-info t))))))
    (org-babel-next-src-block)
    (should (equal "xxx/foo.bar"
		   (cdr (assq :file (nth 2 (org-babel-get-src-block-info t))))))
    ))

(ert-deftest test-ob/file-mode ()
  "Ensure that :file-mode results in expected permissions."
  (should
   (equal #o755
          (org-test-with-temp-text-in-file "
#+begin_src emacs-lisp :results file :file t.sh :file-mode (identity #o755)
nil
#+end_src"
            (org-babel-next-src-block)
            (org-babel-execute-src-block)
            (unwind-protect
                (file-modes "t.sh")
              (delete-file "t.sh"))))))

(ert-deftest test-ob-core/dir-attach ()
  "Test :dir header using special 'attach value"
  (should
   (org-test-with-temp-text-in-file
    "* 'attach Symbol
<point>#+begin_src elisp :dir 'attach :results file
(with-temp-file \"test.txt\" (insert \"attachment testing\n\"))
\"test.txt\"
#+end_src"
    (org-id-get-create)
    (org-babel-execute-src-block)
    (goto-char (org-babel-where-is-src-block-result))
    (forward-line)
    (and
     (file-exists-p (format "%s/test.txt" (org-attach-dir nil t)))
     (string= (buffer-substring-no-properties (point) (line-end-position))
              "[[attachment:test.txt]]"))))
  (should
   (org-test-with-temp-text-in-file
    "* 'attach String
<point>#+begin_src elisp :dir \"'attach\" :results file
(with-temp-file \"test.txt\" (insert \"attachment testing\n\"))
\"test.txt\"
#+end_src"
    (org-id-get-create)
    (org-babel-execute-src-block)
    (goto-char (org-babel-where-is-src-block-result))
    (forward-line)
    (and
     (file-exists-p (format "%s/test.txt" (org-attach-dir nil t)))
     (string= (buffer-substring-no-properties (point) (line-end-position))
              "[[attachment:test.txt]]"))))
  (should
   (org-test-with-temp-text-in-file
    "* 'attach with Existing DIR property
:PROPERTIES:
:DIR:      custom-attach-dir
:END:

<point>#+begin_src elisp :dir 'attach :results file
(with-temp-file \"test.txt\" (insert \"attachment testing\n\"))
\"test.txt\"
#+end_src"
    (message "DIR: %s" (org-attach-dir t))
    (org-babel-execute-src-block)
    (goto-char (org-babel-where-is-src-block-result))
    (forward-line)
    (and
     (file-exists-p (format "%s/test.txt" (org-attach-dir nil t)))
     (string= (buffer-substring-no-properties (point) (line-end-position))
              "[[attachment:test.txt]]"))))
  ;; Strip attach dir from the file path.
  (should
   (org-test-with-temp-text-in-file
    "* heading
:PROPERTIES:
:DIR:      custom-attach-dir
:END:

<point>#+begin_src elisp :results value file
\"custom-attach-dir/test.txt\"
#+end_src"
    (message "DIR: %s" (org-attach-dir t))
    (org-babel-execute-src-block)
    (goto-char (org-babel-where-is-src-block-result))
    (forward-line)
     (string= (buffer-substring-no-properties (point) (line-end-position))
              "[[attachment:test.txt]]")))
  (should-error
   (org-test-with-temp-text-in-file
    "* 'attach with no ID or DIR
<point>#+begin_src elisp :dir 'attach :results file
(with-temp-file \"test.txt\" (insert \"attachment testing\n\"))
\"test.txt\"
#+end_src"
    (org-babel-execute-src-block)
    (goto-char (org-babel-where-is-src-block-result))
    (forward-line)
    (and
     (file-exists-p (format "%s/test.txt" (org-attach-dir nil t)))
     (string= (buffer-substring-no-properties (point) (line-end-position))
              "[[attachment:test.txt]]")))))

(ert-deftest test-ob-core/dir-mkdirp ()
  "Test :mkdirp with :dir header combination."
  (should-not
   (org-test-with-temp-text-in-file
       "#+begin_src emacs-lisp :dir \"data/code\"
t
#+end_src"
     (org-babel-execute-src-block)
     (message default-directory)
     (file-directory-p "data/code")))
  (should-not
   (org-test-with-temp-text-in-file
       "#+begin_src emacs-lisp :mkdirp no :dir \"data/code\"
t
#+end_src"
     (org-babel-execute-src-block)
     (message default-directory)
     (file-directory-p "data/code")))
  (should
   (org-test-with-temp-text-in-file
       "#+begin_src emacs-lisp :mkdirp yes :dir \"data/code\"
t
#+end_src"
     (org-babel-execute-src-block)
     (message default-directory)
     (prog1 (file-directory-p "data/code")
       (delete-directory "data" t))))
  (should
   (equal "/tmp/test-dir-no-mkdirp/"
	  (org-test-with-temp-text-in-file
	      "#+begin_src emacs-lisp :dir /tmp/test-dir-no-mkdirp
default-directory
#+end_src"
	    (org-babel-execute-src-block)))))

(ert-deftest test-ob/script-escape ()
  ;; Empty list.
  (should (equal nil (org-babel-script-escape "[]")))
  (should (equal nil (org-babel-script-escape "()")))
  (should (equal nil (org-babel-script-escape "'()")))
  (should (equal nil (org-babel-script-escape "{}")))
  ;; Delimited lists of numbers
  (should (equal '(1 2 3)
		 (org-babel-script-escape "[1 2 3]")))
  (should (equal '(1 2 3)
		 (org-babel-script-escape "{1 2 3}")))
  (should (equal '(1 2 3)
		 (org-babel-script-escape "(1 2 3)")))
  ;; Delimited lists of double-quoted strings
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "(\"foo\" \"bar\")")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "[\"foo\" \"bar\"]")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "{\"foo\" \"bar\"}")))
  ;; ... with commas
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "(\"foo\", \"bar\")")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "[\"foo\", \"bar\"]")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "{\"foo\", \"bar\"}")))
  ;; Delimited lists of single-quoted strings
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "('foo' 'bar')")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "['foo' 'bar']")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "{'foo' 'bar'}")))
  ;; ... with commas
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "('foo', 'bar')")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "['foo', 'bar']")))
  (should (equal '("foo" "bar")
		 (org-babel-script-escape "{'foo', 'bar'}")))
  ;; Single quoted strings
  (should (equal "foo"
		 (org-babel-script-escape "'foo'")))
  ;; ... with internal double quote
  (should (equal "foo\"bar"
		 (org-babel-script-escape "'foo\"bar'")))
  ;; ... with internal backslash
  (should (equal "foo\\bar"
		 (org-babel-script-escape "'foo\\bar'")))
  ;; ... with internal escaped backslash
  (should (equal "foo\\bar"
		 (org-babel-script-escape "'foo\\\\bar'")))
  ;; ... with internal backslash-double quote
  (should (equal "foo\\\"bar"
		 (org-babel-script-escape "'foo\\\"bar'")))
  ;; ... with internal escaped backslash-double quote
  (should (equal "foo\\\"bar"
		 (org-babel-script-escape "'foo\\\\\"bar'")))
  ;; ... with internal escaped single quote
  (should (equal "foo'bar"
		 (org-babel-script-escape "'foo\\'bar'")))
  ;; ... with internal escaped backslash-escaped single quote
  (should (equal "foo\\'bar"
		 (org-babel-script-escape "'foo\\\\\\'bar'")))
  ;; Double quoted strings
  (should (equal "foo"
		 (org-babel-script-escape "\"foo\"")))
  ;; ... with internal single quote
  (should (equal "foo'bar"
		 (org-babel-script-escape "\"foo'bar\"")))
  ;; ... with internal backslash
  (should (equal "foo\\bar"
		 (org-babel-script-escape "\"foo\\bar\"")))
  ;; ... with internal escaped backslash
  (should (equal "foo\\bar"
		 (org-babel-script-escape "\"foo\\\\bar\"")))
  ;; ... with internal backslash-single quote
  (should (equal "foo\\'bar"
		 (org-babel-script-escape "\"foo\\'bar\"")))
  ;; ... with internal escaped backslash-single quote
  (should (equal "foo\\'bar"
		 (org-babel-script-escape "\"foo\\\\'bar\"")))
  ;; ... with internal escaped double quote
  (should (equal "foo\"bar"
		 (org-babel-script-escape "\"foo\\\"bar\"")))
  ;; ... with internal escaped backslash-escaped double quote
  (should (equal "foo\\\"bar"
		 (org-babel-script-escape "\"foo\\\\\\\"bar\""))))

(ert-deftest test-ob/process-params-no-duplicates ()
  (should
   (equal (org-babel-process-params '((:colname-names)
				      (:rowname-names)
				      (:result-params)
				      (:result-type)
				      (:var . "\"foo\"")))
	  '((:var)
	    (:colname-names)
	    (:rowname-names)
	    (:result-params)
	    (:result-type . value)))))

(defun org-test-babel-confirm-evaluate (eval-value)
  (org-test-with-temp-text (format "#+begin_src emacs-lisp :eval %s
  nil
#+end_src" eval-value)
	(goto-char (point-min))
	(let ((info (org-babel-get-src-block-info)))
	   (org-babel-check-confirm-evaluate info))))

(ert-deftest test-ob/check-eval ()
  (let ((org-confirm-babel-evaluate t))
    ;; Non-export tests
    (dolist (pair '(("no" . nil)
		    ("never" . nil)
		    ("query" . query)
		    ("yes" . query)))
      (should (eq (org-test-babel-confirm-evaluate (car pair)) (cdr pair))))
    ;; Export tests
    (let ((org-babel-exp-reference-buffer t))
      (dolist (pair '(("no" . nil)
		      ("never" . nil)
		      ("query" . query)
		      ("yes" . query)
		      ("never-export" . nil)
		      ("no-export" . nil)
		      ("query-export" . query)))
	(message (car pair))
	(should (eq (org-test-babel-confirm-evaluate (car pair)) (cdr pair))))))
  (let ((org-confirm-babel-evaluate nil))
    ;; Non-export tests
    (dolist (pair '(("no" . nil)
		    ("never" . nil)
		    ("query" . query)
		    ("yes" . t)))
      (should (eq (org-test-babel-confirm-evaluate (car pair)) (cdr pair))))
    ;; Export tests
    (let ((org-babel-exp-reference-buffer t))
      (dolist (pair '(("no" . nil)
		      ("never" . nil)
		      ("query" . query)
		      ("yes" . t)
		      ("never-export" . nil)
		      ("no-export" . nil)
		      ("query-export" . query)))
	(message (car pair))
	(should (eq (org-test-babel-confirm-evaluate (car pair)) (cdr pair)))))))

(ert-deftest test-ob/check-eval-noweb-expanded ()
  "`org-confirm-babel-evaluate' function receives expanded noweb refs."
  (should
   (equal t
	  (org-test-with-temp-text "
#+name: foo
#+begin_src emacs-lisp
  :bar
#+end_src

<point>#+begin_src emacs-lisp :noweb yes
  <<foo>>
#+end_src"
	    (let ((org-confirm-babel-evaluate
		   (lambda (_ body)
		     (not (string-match-p ":bar" body)))))
	      (org-babel-check-confirm-evaluate
	       (org-babel-get-src-block-info))))))
  ;; The code block passed to `org-confirm-babel-evaluate' does not
  ;; include coderefs.
  (should
   (equal t
	  (org-test-with-temp-text "
#+name: foo
#+begin_src emacs-lisp
  :bar
#+end_src

<point>#+begin_src emacs-lisp :noweb yes
  #(ref:foo)
  <<foo>>
#+end_src"
	    (let ((org-coderef-label-format "#(ref:%s)")
		  (org-confirm-babel-evaluate
		   (lambda (_ body)
		     (string-match-p "ref:foo" body))))
	      (org-babel-check-confirm-evaluate
	       (org-babel-get-src-block-info)))))))

(defun org-test-ob/update-block-body ()
  "Test `org-babel-update-block-body' specifications."
  (should
   (equal "#+begin_src elisp\n  2\n#+end_src"
	  (let ((org-edit-src-content-indentation 2))
	    (org-test-with-temp-text "#+begin_src elisp\n(+ 1 1)\n#+end_src"
	      (org-babel-update-block-body "2")
	      (buffer-string)))))
  ;; Preserve block indentation.
  (should
   (equal "  #+begin_src elisp\n   2\n  #+end_src"
	  (let ((org-edit-src-content-indentation 1))
	    (org-test-with-temp-text
		"  #+begin_src elisp\n  (+ 1 1)\n  #+end_src"
	      (org-babel-update-block-body "2")
	      (buffer-string)))))
  ;; Ignore NEW-BODY global indentation.
  (should
   (equal "#+begin_src elisp\n  2\n#+end_src"
	  (let ((org-edit-src-content-indentation 2))
	    (org-test-with-temp-text "#+begin_src elisp\n(+ 1 1)\n#+end_src"
	      (org-babel-update-block-body "      2")
	      (buffer-string)))))
  ;; When indentation should be preserved ignore the two rules above.
  (should
   (equal "  #+begin_src elisp\n2\n  #+end_src"
	  (let ((org-edit-src-content-indentation 1)
		(org-src-preserve-indentation t))
	    (org-test-with-temp-text
		"  #+begin_src elisp\n  (+ 1 1)\n  #+end_src"
	      (org-babel-update-block-body "2")
	      (buffer-string)))))
  (should
   (equal "  #+begin_src elisp -i\n2\n  #+end_src"
	  (let ((org-edit-src-content-indentation 1))
	    (org-test-with-temp-text
		"  #+begin_src elisp -i\n  (+ 1 1)\n  #+end_src"
	      (org-babel-update-block-body "2")
	      (buffer-string)))))
  (should
   (equal "#+begin_src elisp\n      2\n#+end_src"
	  (let ((org-edit-src-content-indentation 2)
		(org-src-preserve-indentation t))
	    (org-test-with-temp-text "#+begin_src elisp\n(+ 1 1)\n#+end_src"
	      (org-babel-update-block-body "      2")
	      (buffer-string)))))
  (should
   (equal "#+begin_src elisp -i\n      2\n#+end_src"
	  (let ((org-edit-src-content-indentation 2)
		(org-src-preserve-indentation t))
	    (org-test-with-temp-text "#+begin_src elisp -i\n(+ 1 1)\n#+end_src"
	      (org-babel-update-block-body "      2")
	      (buffer-string))))))

(ert-deftest test-ob/find-named-result ()
  "Test `org-babel-find-named-result' specifications."
  (should
   (= 1
      (org-test-with-temp-text "#+results: foo\n: result"
	(org-babel-find-named-result "foo"))))
  (should-not
   (org-test-with-temp-text "#+results: foo\n: result"
     (org-babel-find-named-result "bar")))
  (should-not
   (org-test-with-temp-text "#+results: foobar\n: result"
     (org-babel-find-named-result "foo")))
  ;; Search is case insensitive.
  (should
   (org-test-with-temp-text "#+RESULTS: FOO\n: result"
     (org-babel-find-named-result "foo")))
  ;; Handle hash in results keyword.
  (should
   (org-test-with-temp-text "#+results[hash]: FOO\n: result"
     (org-babel-find-named-result "foo")))
  ;; Accept orphaned affiliated keywords.
  (should
   (org-test-with-temp-text "#+results: foo"
     (org-babel-find-named-result "foo"))))

(ert-deftest test-ob/where-is-src-block-result ()
  "Test `org-babel-where-is-src-block-result' specifications."
  ;; Find anonymous results.
  (should
   (equal "#+RESULTS:"
	  (org-test-with-temp-text
	      "#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC\n\n#+RESULTS:\n: 2"
	    (goto-char (org-babel-where-is-src-block-result))
	    (buffer-substring-no-properties (point) (line-end-position)))))
  ;; Find named results.  Those have priority over anonymous ones.
  (should
   (equal "#+RESULTS: example"
	  (org-test-with-temp-text
	      "
<point>#+NAME: example
#+BEGIN_SRC emacs-lisp
\(+ 1 1)
#+END_SRC

#+RESULTS: example
: 2"
	    (goto-char (org-babel-where-is-src-block-result))
	    (buffer-substring-no-properties (point) (line-end-position)))))
  (should
   (equal "#+RESULTS: example"
	  (org-test-with-temp-text
	      "
<point>#+NAME: example
#+BEGIN_SRC emacs-lisp
\(+ 1 1)
#+END_SRC

#+RESULTS:
: fake

#+RESULTS: example
: 2"
	    (goto-char (org-babel-where-is-src-block-result))
	    (buffer-substring-no-properties (point) (line-end-position)))))
  ;; Return nil when no result is found.
  (should-not
   (org-test-with-temp-text "#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC"
     (org-babel-where-is-src-block-result)))
  (should-not
   (org-test-with-temp-text
       "- item\n  #+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC\n\n"
     (org-babel-where-is-src-block-result)))
  ;; When optional argument INSERT is non-nil, add RESULTS keyword
  ;; whenever no RESULTS can be found.
  (should
   (equal
    "#+RESULTS:"
    (org-test-with-temp-text "#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC"
      (let ((org-babel-results-keyword "RESULTS"))
	(goto-char (org-babel-where-is-src-block-result t)))
      (buffer-substring-no-properties (point) (line-end-position)))))
  ;; Insert a named RESULTS keyword if possible.
  (should
   (equal
    "#+RESULTS: e"
    (org-test-with-temp-text
	"#+NAME: e\n#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC"
      (let ((org-babel-results-keyword "RESULTS"))
	(goto-char (org-babel-where-is-src-block-result t)))
      (buffer-substring-no-properties (point) (line-end-position)))))
  ;; When optional argument HASH is provided, clear RESULTS keyword
  ;; and related contents if they do not match it.
  (should
   (equal
    "#+RESULTS[bbbb]:"
    (org-test-with-temp-text
	"#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC\n\n#+RESULTS[aaaa]:\n: 3"
      (let ((org-babel-results-keyword "RESULTS"))
	(goto-char (org-babel-where-is-src-block-result nil nil "bbbb")))
      (org-trim (buffer-substring-no-properties (point) (point-max))))))
  (should
   (equal
    "#+RESULTS[bbbb]:"
    (org-test-with-temp-text
	"#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC\n\n#+RESULTS[aaaa]:"
      (let ((org-babel-results-keyword "RESULTS"))
	(goto-char (org-babel-where-is-src-block-result nil nil "bbbb")))
      (org-trim (buffer-substring-no-properties (point) (point-max))))))
  ;; Handle hashes with times.
  (should
   (equal
    "#+RESULTS[(2014-03-04 00:41:10) bbbb]:"
    (org-test-with-temp-text
	"#+BEGIN_SRC emacs-lisp
\(+ 1 1)
#+END_SRC

#+RESULTS[(2012-03-29 16:40:12) aaaa]:"
      (let ((org-babel-results-keyword "RESULTS")
	    (org-babel-hash-show-time t))
	(cl-letf (((symbol-function 'format-time-string)
		   (lambda (&rest _) "(2014-03-04 00:41:10)")))
	  (goto-char (org-babel-where-is-src-block-result nil nil "bbbb"))
	  (org-trim (buffer-substring-no-properties (point) (point-max))))))))
  (should
   (equal
    "#+RESULTS[(2012-03-29 16:40:12) aaaa]:"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp
\(+ 1 1)
#+END_SRC

#+RESULTS[(2012-03-29 16:40:12) aaaa]:"
      (let ((org-babel-results-keyword "RESULTS")
	    (org-babel-hash-show-time t))
	(cl-letf (((symbol-function 'format-time-string)
		   (lambda (&rest _) "(2014-03-04 00:41:10)")))
	  (goto-char (org-babel-where-is-src-block-result nil nil "aaaa"))
	  (org-trim (buffer-substring-no-properties (point) (point-max))))))))
  ;; RESULTS keyword may not be the last affiliated keyword.
  (should
   (equal
    "#+RESULTS[bbbb]:"
    (org-test-with-temp-text
	"
<point>#+BEGIN_SRC emacs-lisp
\(+ 1 1)
#+END_SRC

#+RESULTS[aaaa]:
#+NAME: e
: 3"
      (let ((org-babel-results-keyword "RESULTS"))
	(goto-char (org-babel-where-is-src-block-result nil nil "bbbb")))
      (org-trim (buffer-substring-no-properties (point) (point-max))))))
  ;; HASH does nothing if no RESULTS can be found.  However, if INSERT
  ;; is also non-nil, RESULTS keyword is inserted along with the
  ;; expected hash.
  (should
   (equal
    "#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC"
    (org-test-with-temp-text "#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC"
      (org-babel-where-is-src-block-result nil nil "bbbb")
      (buffer-string))))
  (should
   (equal
    "#+RESULTS[bbbb]:"
    (org-test-with-temp-text "#+BEGIN_SRC emacs-lisp\n(+ 1 1)\n#+END_SRC"
      (let ((org-babel-results-keyword "RESULTS"))
	(goto-char (org-babel-where-is-src-block-result t nil "bbbb")))
      (org-trim (buffer-substring-no-properties (point) (point-max)))))))

(ert-deftest test-ob/goto-named-src-block ()
    "Test interactive use of `org-babel-goto-named-src-block'."
    (org-test-with-temp-text-in-file
		"
#+NAME: abc
#+BEGIN_SRC emacs-lisp :results value
(1+ 1)
#+END_SRC
#+CALL: abc( lorem() ) :results raw :wrap EXAMPLE
#+BEGIN_SRC emacs-lisp
<<abc>>
#+END_SRC
abc
#+RESULTS: abc
: 2
"
       ;; non-existent name
       (should-not
         (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\nno-name\n"))
       ;; correct name
       (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\nabc\n")
       (should  (= 14 (point)))
       ;; call line   - autocompletion
       (forward-line 3)
       (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\n\n")
       (should  (= 14 (point)))
       ;; noweb reference  - autocompletion
       (forward-line 5)
       (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\n\n")
       (should  (= 14 (point)))
       ;; at symbol  - autocompletion
       (forward-line 7)
       (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\n\n")
       (should  (= 14 (point)))
       ;; in results  - autocompletion
       (forward-line 8)
       (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\n\n")
       (should  (= 14 (point)))
       (forward-line 9)
       (execute-kbd-macro  "\M-xorg-babel-goto-named-src-block\n\n")
       (should  (= 14 (point)))))

(ert-deftest test-ob/evaluate-body-with-coderefs ()
  (should
   (= 2
      (org-test-with-temp-text
	  "#+begin_src emacs-lisp -l \"#(ref:%s)\"\n2 #(ref:foo)\n#+end_src"
	(org-babel-execute-src-block))))
  (should
   (= 3
      (org-test-with-temp-text
	  "#+begin_src emacs-lisp\n3 #(ref:foo)\n#+end_src"
	(let ((org-coderef-label-format "#(ref:%s)"))
	  (org-babel-execute-src-block))))))

(ert-deftest test-ob/string-to-number ()
    (should (=  0      (org-babel--string-to-number "0")))
    (should (=  1      (org-babel--string-to-number "1")))
    (should (eq nil    (org-babel--string-to-number "1 2")))
    (should (=  1000.0 (org-babel--string-to-number "1e3")))
    (should (eq 0      (org-babel--string-to-number "000")))
    (should (eq 1      (org-babel--string-to-number "001")))
    (should (eq 10     (org-babel--string-to-number "010")))
    (should (=  100    (org-babel--string-to-number "100")))
    (should (=  0.1    (org-babel--string-to-number "0.1")))
    (should (=  1.0    (org-babel--string-to-number "1.0"))))

(ert-deftest test-ob/import-elisp-from-file ()
  "Test `org-babel-import-elisp-from-file'."
  (should
   (equal
    (org-test-with-temp-text-in-file "line 1\nline 2\n"
      (cl-letf (((symbol-function 'display-warning)
		 (lambda (&rest _) (error "No warnings should occur"))
		 (org-table-convert-region-max-lines 2)))
	(org-babel-import-elisp-from-file (buffer-file-name))))
    '(("line" 1)
      ("line" 2))))
  ;; If an error occurs during table conversion, it is shown with
  ;; `display-warning' rather than as a message to make sure the
  ;; caller sees it.
  (should-error
   (org-test-with-temp-text-in-file "line 1\nline 2\n"
     (cl-letf (((symbol-function 'display-warning)
		(lambda (&rest _) (error "Warning should be displayed")))
	       (org-table-convert-region-max-lines 1))
       (org-babel-import-elisp-from-file (buffer-file-name)))))
  ;; But an empty file (as is the case when there are no execution
  ;; results) does not trigger a warning.
  (should-not
   (org-test-with-temp-text-in-file ""
     (cl-letf (((symbol-function 'display-warning)
		(lambda (&rest _) (error "No warnings should occur"))))
       (org-babel-import-elisp-from-file (buffer-file-name))))))

(provide 'test-ob)

;;; test-ob ends here