From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: Need help on my writing org-mode test.
Date: Sun, 08 Apr 2018 23:56:44 +0200
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To: stardiviner <numbchild@gmail.com>
Cc: org-mode <emacs-orgmode@gnu.org>

Hello,

stardiviner <numbchild@gmail.com> writes:

> I'm try to write a test for following src block:
>
> #+begin_src sh :results link :file "test.txt"
> echo "hello" > test.txt
> echo "test"
> #+end_src
>
>
> #+RESULTS[<2018-04-08 18:30:51> 22a787defa349526768722f4bfc8509dd16ab154]:
> [[file:test.txt]]
>
> And here is my ert test:
>
> (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."
>   (org-test-with-temp-text
>    "
>
> #+begin_src sh :results link :file \"/tmp/test.txt\"
> echo \"hello\" > /tmp/test.txt
> echo \"test\"
> #+end_src"
>
>    (org-babel-next-src-block 1)
>    (org-babel-execute-src-block)
>    (goto-char (point-min))
>    (should (search-forward "[[file:test.txt]]" nil nil))
>    (should (with-temp-buffer
>    	     (insert-file-contents "/tmp/test.txt")
>    	     (string=
>    	      "hello\n"
>    	      (buffer-substring-no-properties (point-min) (point-max)))))
>    ))

I would check the result of

    (let ((output-file (make-temp-file "org-test")))
        (org-test-with-temp-text
            (format "
    #+begin_src emacs-lisp :results link :file %S<point>
      (with-temp-file %S (insert \"foo\"))
    #+end_src"
                    output-file
                    output-file)
          (org-babel-execute-src-block)
          (goto-char (point-max))
          (buffer-substring-no-properties
           (line-beginning-position 0)
           (line-end-position 0))))

Regards,

-- 
Nicolas Goaziou