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name: testing/lisp/test-ob.el 	 # note: path name is non-authoritative(*)

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;;; test-ob.el --- tests for ob.el

;; Copyright (c) 2010-2012 Eric Schulte
;; Authors: Eric Schulte, Martyn Jago

;; Released under the GNU General Public License version 3
;; see: http://www.gnu.org/licenses/gpl-3.0.html
(ert-deftest test-org-babel/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-org-babel/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-org-babel/get-header ()
  (should (not (org-babel-get-header
		org-babel-default-header-args :doesnt-exist)))
  (should(equal '((:session . "none"))
		(org-babel-get-header
		 org-babel-default-header-args :session)))
  (should(equal '((:session . "none"))
		(org-babel-get-header
		 org-babel-default-header-args :session nil)))
  (should (not (org-babel-get-header
		org-babel-default-header-args :SESSION)))
  (should (equal '((:tangle . "no"))
		 (org-babel-get-header
		  org-babel-default-header-args :tangle)))
  ;; with OTHERS option
  (should (equal org-babel-default-header-args
		 (org-babel-get-header
		  org-babel-default-header-args :doesnt-exist 'others)))
  (should (equal org-babel-default-header-args
		 (org-babel-get-header
		  org-babel-default-header-args nil 'others)))
  (should (null
	   (assoc :noweb
		  (org-babel-get-header
		   org-babel-default-header-args :noweb 'others)))))

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

;;; ob-get-src-block-info
(ert-deftest test-org-babel/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-org-babel/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-org-babel/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 (assoc :tangle (nth 2 info))))))))

(ert-deftest test-org-babel/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:
  :var:      prop = (* 7 6)
  :END:
#+begin_src emacs-lisp
  prop
#+end_src"

    (progn
      (goto-char (point-min))
      (org-babel-next-src-block)
      (let ((info (org-babel-get-src-block-info)))
	(should (= 42 (org-babel-execute-src-block)))))))

(ert-deftest test-org-babel/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"

    (progn
      (org-babel-next-src-block 1)
      (should (= 42 (org-babel-execute-src-block))))))

(ert-deftest test-org-babel/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"

    (progn
      (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)))))))

(ert-deftest test-org-babel/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)
  (map 'list #'list numbers letters)
#+end_src"

    (progn
      (org-babel-next-src-block)
      (let ((results (org-babel-execute-src-block)))
	(should(equal 'a (cadr (assoc 1 results))))
	(should(equal 'd (cadr (assoc 4 results))))))))

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

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

    (progn
      (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-babel-trim (nth 1 info))))
	(should-not (member '(:session\ \ \ \ ) params))
	(should(equal '(:session) (assoc :session params)))
	(should(equal '(:result-type . output) (assoc :result-type params)))
	(should(equal '(num . 9) (cdr (assoc :var params))))))))

(ert-deftest test-org-babel/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"

    (progn
      (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-org-babel/inline-src-blocks ()
  (org-test-at-id "54cb8dc3-298c-4883-a933-029b3c9d4b18"
    (macrolet ((at-next (&rest body)
		 `(progn
		    (move-end-of-line 1)
		    (re-search-forward org-babel-inline-src-block-regexp nil t)
		    (goto-char (match-beginning 1))
		    (save-match-data ,@body))))
      (at-next (should (equal 1 (org-babel-execute-src-block))))
      (at-next (should (equal 2 (org-babel-execute-src-block))))
      (at-next (should (equal 3 (org-babel-execute-src-block)))))))

(ert-deftest test-org-babel/org-babel-get-inline-src-block-matches ()
  (org-test-at-id "0D0983D4-DE33-400A-8A05-A225A567BC74"
    (let ((test-point (point)))
      (should (fboundp 'org-babel-get-inline-src-block-matches))
      (should (re-search-forward "src_" nil t)) ;; 1
      (should (org-babel-get-inline-src-block-matches))
      (should (re-search-forward "}" nil (point-at-bol))) ;; 1
      (should-not (org-babel-get-inline-src-block-matches))
      (should (re-search-forward "in" nil t)) ;; 2
      (should-not (org-babel-get-inline-src-block-matches))
      (should (re-search-forward "echo" nil t)) ;; 2
      (should (org-babel-get-inline-src-block-matches))
      (should (re-search-forward "blocks" nil t)) ;; 3
      (backward-char 8) ;; 3
      (should (org-babel-get-inline-src-block-matches))
      (forward-char 1) ;;3
      (should-not (org-babel-get-inline-src-block-matches))
      (should (re-search-forward ":results" nil t)) ;; 4
      (should (org-babel-get-inline-src-block-matches))
      (end-of-line)
      (should-not (org-babel-get-inline-src-block-matches)))))

(ert-deftest test-org-babel/inline-src_blk-default-results-replace-line-1 ()
  (let ((test-line "src_sh{echo 1}"))
    ;; src_ at bol line 1...
    (org-test-with-temp-text
	test-line
      (goto-char (point-min)) (org-ctrl-c-ctrl-c)
      (should (string=
       	       (concat test-line " =1=")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (forward-char) (org-ctrl-c-ctrl-c)
      (should (string=
       	       (concat test-line " =1= =1=")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (re-search-forward "1}")
      (should-error (org-ctrl-c-ctrl-c))
      (backward-char) ;; last char of block body
      (org-ctrl-c-ctrl-c)
      (should (string=
       	       (concat test-line " =1= =1= =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-ctrl-c-ctrl-c)
      (should (string=
	       (concat test-line " =1=")
	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (re-search-forward "{ 1 ") (org-ctrl-c-ctrl-c)
      (should (string=
	       (concat test-line " =1= =1=")
	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (forward-char)
      (should-error (org-ctrl-c-ctrl-c)))))

(ert-deftest test-org-babel/inline-src_blk-default-results-replace-line-2 ()
  ;; src_ at bol line 2...
  (let ((test-line " src_emacs-lisp{ \"x\" }"))
    (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-ctrl-c-ctrl-c)
      (should (string=
	       (concat test-line " =x=")
	       (buffer-substring-no-properties
		(point-at-bol) (point-at-eol))))))

  (let ((test-line "Some text prior to block src_emacs-lisp{ \"y\" }"))
    (org-test-with-temp-text
	test-line
      (goto-char (point-max))
      (insert (concat "\n" test-line " end"))
      (re-search-backward "src") (org-ctrl-c-ctrl-c)
      (should (string=
       	       (concat test-line " =y= end")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (re-search-forward "\" ") (org-ctrl-c-ctrl-c)
      (should (string=
	       (concat test-line " =y= =y= end")
       	       (buffer-substring-no-properties (point-at-bol) (point-at-eol))))
      (forward-char)
      (should-error (org-ctrl-c-ctrl-c))))))

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

(ert-deftest test-org-babel/inline-src_blk-results-silent ()
  (let ((test-line "src_emacs-lisp[ :results silent ]{ \"x\" }"))
    (org-test-with-temp-text test-line
      (org-ctrl-c-ctrl-c)
      (should (string= test-line
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (end-of-buffer)
      (should-error (org-ctrl-c-ctrl-c))))
  (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-ctrl-c-ctrl-c)
      (should (string= (concat test-line " end")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (re-search-forward "\" ") (org-ctrl-c-ctrl-c)
      (should (string= (concat test-line " end")
		       (buffer-substring-no-properties
			(point-at-bol) (point-at-eol))))
      (forward-char)
      (should-error (org-ctrl-c-ctrl-c)))))

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

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

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

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

(ert-deftest test-org-babel/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
"
    (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 (org-babel-in-example-or-verbatim))
      (next-result)
      (should (not (org-babel-in-example-or-verbatim))))))

(ert-deftest test-org-babel/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\" in block \"carre\" must be assigned a default value")
	err)))))

(ert-deftest test-org-babel/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\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-org-babel/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
  ,  'foo
  ,#+end_src
#+end_src"
    (should (string= (org-babel-execute-src-block)
		     "#+begin_src emacs-lisp\n  'foo\n#+end_src"))))

(ert-deftest test-org-babel/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/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
  (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 for me."))))

(ert-deftest test-ob/resolve-code-blocks-before-data-blocks ()
  (org-test-with-temp-text "
#+name: foo
: bar

#+name: foo
#+begin_src emacs-lisp
  \"baz\"
#+end_src

#+begin_src emacs-lisp :var foo=foo
  foo
#+end_src"
    (org-babel-next-src-block 2)
    (should (string= (org-babel-execute-src-block) "baz"))))

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

#+tblname: 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 ()
  (flet ((check-eval (eval runp)
	   (org-test-with-temp-text (format "#+begin_src emacs-lisp :eval %s
  (setq foo :evald)
#+end_src" eval)
	     (let ((foo :not-run))
	       (if runp
		   (progn (should (org-babel-execute-src-block))
			  (should (eq foo :evald)))
		 (progn (should-not (org-babel-execute-src-block))
			(should-not (eq foo :evald))))))))
    (check-eval "never" nil)
    (check-eval "no" nil)
    (check-eval "never-export" t)
    (check-eval "no-export" t)
    (let ((org-current-export-file "something"))
      (check-eval "never" nil)
      (check-eval "no" nil)
      (check-eval "never-export" nil)
      (check-eval "no-export" nil))))

(ert-deftest test-ob/noweb-expansion-1 ()
  (org-test-with-temp-text "#+begin_src sh :results output :tangle yes
  <<foo>>
#+end_src

#+name: foo
#+begin_src sh
  bar
#+end_src"
    (should (string= (org-babel-expand-noweb-references) "bar"))))

(ert-deftest test-ob/noweb-expansion-2 ()
  (org-test-with-temp-text "#+begin_src sh :results output :tangle yes
  <<foo>>
#+end_src

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

#+begin_src sh :noweb-ref foo :noweb-sep \"\"
  baz
#+end_src"
    (should (string= (org-babel-expand-noweb-references) "barbaz"))))

(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/org-babel-balanced-split ()
  (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)))))

(ert-deftest test-ob/commented-last-block-line-no-var ()
  (org-test-with-temp-text-in-file "
#+begin_src emacs-lisp
;;
#+end_src"
    (progn
      (org-babel-next-src-block)
      (org-ctrl-c-ctrl-c)
      (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"

    (progn
      (org-babel-next-src-block)
      (org-ctrl-c-ctrl-c)
      (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"
    (progn
      (org-babel-next-src-block)
      (org-ctrl-c-ctrl-c)
      (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"
    (progn
      (org-babel-next-src-block)
      (org-ctrl-c-ctrl-c)
      (re-search-forward "\\#\\+results:" nil t)
      (forward-line)
      (should (string=
	       ": 2" 
	       (buffer-substring-no-properties (point-at-bol) (point-at-eol)))))))

(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
    (progn
      (org-babel-next-src-block) (org-ctrl-c-ctrl-c) (org-ctrl-c-ctrl-c)
      (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-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")))
	  '("sh" "emacs-lisp")))

(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
- (quote (4 5))"

"* org-babel-remove-result
#+begin_src emacs-lisp :results list
'(1 2 3 '(4 5))
#+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_ORG
* heading
** subheading
content
#+END_ORG"

"* 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_HTML
<head><body></body></head>
#+END_HTML"

"* 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_LaTeX
Line 1
Line 2
Line 3
#+END_LaTeX"

"* 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-org-babel/inline-src_blk-preceded-punct-preceded-by-point ()
  (let ((test-line ".src_emacs-lisp[ :results verbatim ]{ \"x\"  }"))
    (org-test-with-temp-text
	test-line
      (forward-char 1)
      (org-ctrl-c-ctrl-c)
      (should (re-search-forward "=\"x\"=" nil t))
      (forward-line))))

(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"
    (progn
      (org-babel-next-src-block)
      (org-ctrl-c-ctrl-c)
      (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"
    (progn
      (org-babel-next-src-block)
      (org-ctrl-c-ctrl-c)
      (re-search-forward "\\#\\+results:" nil t)
      (forward-line)
      (should (string=
	       ": 2"
	       (buffer-substring-no-properties (point-at-bol) (point-at-eol)))))))

(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
    (progn
      (org-babel-next-src-block) (org-ctrl-c-ctrl-c) (org-ctrl-c-ctrl-c)
      (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-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")))
	  '("sh" "emacs-lisp")))

(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
- (quote (4 5))"

"* org-babel-remove-result
#+begin_src emacs-lisp :results list
'(1 2 3 '(4 5))
#+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_ORG
* heading
** subheading
content
#+END_ORG"

"* 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_HTML
<head><body></body></head>
#+END_HTML"

"* 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_LaTeX
Line 1
Line 2
Line 3
#+END_LaTeX"

"* 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/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 emacs-lisp

#+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))))))

(provide 'test-ob)

;;; test-ob ends here

debug log:

solving 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f497 ...
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f497 as 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f49
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f49 as 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f4
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f4 as 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f as 5f9e29cb4e2bf03044cefe6a0e7318a6faf8
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6faf8 as 5f9e29cb4e2bf03044cefe6a0e7318a6faf
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6faf as 5f9e29cb4e2bf03044cefe6a0e7318a6fa
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6fa as 5f9e29cb4e2bf03044cefe6a0e7318a6f
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6f as 5f9e29cb4e2bf03044cefe6a0e7318a6
retrying 5f9e29cb4e2bf03044cefe6a0e7318a6 as 5f9e29cb4e2bf03044cefe6a0e7318a
retrying 5f9e29cb4e2bf03044cefe6a0e7318a as 5f9e29cb4e2bf03044cefe6a0e7318
retrying 5f9e29cb4e2bf03044cefe6a0e7318 as 5f9e29cb4e2bf03044cefe6a0e731
retrying 5f9e29cb4e2bf03044cefe6a0e731 as 5f9e29cb4e2bf03044cefe6a0e73
retrying 5f9e29cb4e2bf03044cefe6a0e73 as 5f9e29cb4e2bf03044cefe6a0e7
retrying 5f9e29cb4e2bf03044cefe6a0e7 as 5f9e29cb4e2bf03044cefe6a0e
retrying 5f9e29cb4e2bf03044cefe6a0e as 5f9e29cb4e2bf03044cefe6a0
retrying 5f9e29cb4e2bf03044cefe6a0 as 5f9e29cb4e2bf03044cefe6a
retrying 5f9e29cb4e2bf03044cefe6a as 5f9e29cb4e2bf03044cefe6
retrying 5f9e29cb4e2bf03044cefe6 as 5f9e29cb4e2bf03044cefe
retrying 5f9e29cb4e2bf03044cefe as 5f9e29cb4e2bf03044cef
retrying 5f9e29cb4e2bf03044cef as 5f9e29cb4e2bf03044ce
retrying 5f9e29cb4e2bf03044ce as 5f9e29cb4e2bf03044c
retrying 5f9e29cb4e2bf03044c as 5f9e29cb4e2bf03044
retrying 5f9e29cb4e2bf03044 as 5f9e29cb4e2bf0304
retrying 5f9e29cb4e2bf0304 as 5f9e29cb4e2bf030
retrying 5f9e29cb4e2bf030 as 5f9e29cb4e2bf03
retrying 5f9e29cb4e2bf03 as 5f9e29cb4e2bf0
retrying 5f9e29cb4e2bf0 as 5f9e29cb4e2bf
retrying 5f9e29cb4e2bf as 5f9e29cb4e2b
retrying 5f9e29cb4e2b as 5f9e29cb4e2
retrying 5f9e29cb4e2 as 5f9e29cb4e
retrying 5f9e29cb4e as 5f9e29cb4
retrying 5f9e29cb4 as 5f9e29cb
retrying 5f9e29cb as 5f9e29c
found 5f9e29c in https://yhetil.org/orgmode/87pqc9harc.fsf@Rainer.invalid/
found 3f4186e in https://git.savannah.gnu.org/cgit/emacs/org-mode.git
preparing index
index prepared:
100644 3f4186eaa8073a2b65218fa0927cd13b35bd70ca	testing/lisp/test-ob.el

applying [1/1] https://yhetil.org/orgmode/87pqc9harc.fsf@Rainer.invalid/
diff --git a/testing/lisp/test-ob.el b/testing/lisp/test-ob.el
index 3f4186e..5f9e29c 100644

1:447: trailing whitespace.
#+name: foo 
Checking patch testing/lisp/test-ob.el...
Applied patch testing/lisp/test-ob.el cleanly.
warning: 1 line adds whitespace errors.

index at:
100644 5f9e29cb4e2bf03044cefe6a0e7318a6faf8f497	testing/lisp/test-ob.el

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

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