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

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;;; test-ob-shell.el  -*- lexical-binding: t; -*-

;; Copyright (c) 2010-2014, 2019 Eric Schulte
;; Authors: Eric Schulte

;; 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/>.

;;; Comment:

;; Template test file for Org tests

;;; Code:
(defmacro multiline-string (&rest body)
  "Join BODY with newlines.

BODY is made of successive strings.

    (multiline-string \"first\" \"second\" \"third\")
 \"first\\nsecond\\nthird\"

\(fn BODY)"
  (declare (indent nil) (debug t))
  `(string-join (quote ,body) "\n"))

(org-test-for-executable "sh")
(require 'ob-core)
(unless (featurep 'ob-shell)
  (signal 'missing-test-dependency "Support for Shell code blocks"))

(ert-deftest test-ob-shell/dont-insert-spaces-on-expanded-bodies ()
  "Expanded shell bodies should not start with a blank line unless
the body of the tangled block does."
  (should-not (string-match "^[\n\r][\t ]*[\n\r]"
                            (org-babel-expand-body:generic "echo 2" '())))
  (should (string-match "^[\n\r][\t ]*[\n\r]"
                        (org-babel-expand-body:generic "\n\necho 2" '()))))

(ert-deftest test-ob-shell/dont-error-on-empty-results ()
  (should (null (org-babel-execute:sh nil nil))))

(ert-deftest test-ob-shell/dont-error-on-babel-error ()
  (if (should (null (org-babel-execute:sh "ls NoSuchFileOrDirectory.txt" nil)))
      (kill-buffer "*Org-Babel Error Output*")))

;; TODO refactor session name into variable after refactoring
;; org-babel-execute:sh.  See comment there.
(ert-deftest test-ob-shell/session-parameter-results-in-list ()
  ;; single line input
  (let ((res (org-babel-execute:sh "echo 1; echo 2" '((:session . "test-ob-shell/session-parameter-results-in-list")))))
    (should res)
    (should (listp res)))

  ;; multi-line input
  (let ((result (org-babel-execute:sh
                 "if true \n then \n echo test-ob-shell/session-parameter-results-in-list \n fi"
                 '((:session . "test-ob-shell/session-parameter-results-in-list")))))
    (should result)
    (should (string= "test-ob-shell/session-parameter-results-in-list" result)))

  ;; clean up
  (let ((kill-buffer-query-functions nil))
    (kill-buffer "test-ob-shell/session-parameter-results-in-list")))

(ert-deftest test-ob-shell/generic-uses-no-arrays ()
  (org-test-with-temp-text
      (multiline-string
       "#+NAME: sample_array"
       "| one   |"
       "| two   |"
       "| three |"
       ""
       "#+begin_src sh :exports results :results output :var array=sample_array"
       "echo ${array}"
       "<point>"
       "#+end_src")
    (should (equal "one two three" (org-trim (org-babel-execute-src-block))))))

(ert-deftest test-ob-shell/bash-uses-arrays ()
  "Bash will see a simple indexed array. In this test, we check that the
returned value is indeed only the first item of the array, as opposed to
the generic serialiation that will return all elements of the array as
a single string."
  (org-test-with-temp-text
      (multiline-string
       "#+NAME: sample_array"
       "| one   |"
       "| two   |"
       "| three |"
       ""
       "#+begin_src bash :exports results :results output :var array=sample_array"
       "echo ${array}"
       "<point>"
       "#+end_src")
    (should (equal "one" (org-trim (org-babel-execute-src-block))))))

(ert-deftest ob-shell/generic-uses-no-assoc-arrays ()
  "No associative arrays for generic"
  (should
   (equal "first one second two third three"
          (org-test-at-id
           "bec1a5b0-4619-4450-a8c0-2a746b44bf8d"
           (org-babel-next-src-block)
           (org-trim (org-babel-execute-src-block)))))
  (should
   (equal "bread 2 kg spaghetti 20 cm milk 50 dl"
          (org-test-at-id
           "82320a48-3409-49d7-85c9-5de1c6d3ff87"
           (org-babel-next-src-block)
           (org-trim (org-babel-execute-src-block))))))

(ert-deftest ob-shell/bash-uses-assoc-arrays ()
  "Bash associative arrays"
  (should
   (equal "two"
          (org-test-at-id
           "bec1a5b0-4619-4450-a8c0-2a746b44bf8d"
           (org-babel-next-src-block 2)
           (org-trim (org-babel-execute-src-block)))))
  ;; Bash associative arrays as strings for the row.
  (should
   (equal "20 cm"
          (org-test-at-id
           "82320a48-3409-49d7-85c9-5de1c6d3ff87"
           (org-babel-next-src-block 2)
           (org-trim (org-babel-execute-src-block))))))

(ert-deftest ob-shell/simple-list ()
  "Test list variables in shell."
  ;; With bash, a list is turned into an array.
  (should
   (equal "2"
          (org-test-with-temp-text
           "#+BEGIN_SRC bash :results output :var l='(1 2)\necho ${l[1]}\n#+END_SRC"
           (org-trim (org-babel-execute-src-block)))))
  ;; On sh, it is a string containing all values.
  (should
   (equal "1 2"
          (org-test-with-temp-text
           "#+BEGIN_SRC sh :results output :var l='(1 2)\necho ${l}\n#+END_SRC"
           (org-trim (org-babel-execute-src-block))))))

(ert-deftest ob-shell/remote-with-stdin-or-cmdline ()
  "Test :stdin and :cmdline with a remote directory."
  ;; We assume `default-directory' is a local directory.
  (skip-unless (not (memq system-type '(ms-dos windows-nt))))
  (org-test-with-tramp-remote-dir remote-dir
      (dolist (spec `( ()
                       (:dir ,remote-dir)
                       (:dir ,remote-dir :cmdline t)
                       (:dir ,remote-dir :stdin   t)
                       (:dir ,remote-dir :cmdline t :shebang t)
                       (:dir ,remote-dir :stdin   t :shebang t)
                       (:dir ,remote-dir :cmdline t :stdin t :shebang t)
                       (:cmdline t)
                       (:stdin   t)
                       (:cmdline t :shebang t)
                       (:stdin   t :shebang t)
                       (:cmdline t :stdin t :shebang t)))
        (let ((default-directory (or (plist-get spec :dir) default-directory))
              (org-confirm-babel-evaluate nil)
              (params-line "")
              (who-line "  export who=tramp")
              (args-line "  echo ARGS: --verbose 23 71"))
          (when-let ((dir (plist-get spec :dir)))
            (setq params-line (concat params-line " " ":dir " dir)))
          (when (plist-get spec :stdin)
            (setq who-line "  read -r who")
            (setq params-line (concat params-line " :stdin input")))
          (when (plist-get spec :cmdline)
            (setq args-line "  echo \"ARGS: $*\"")
            (setq params-line (concat params-line " :cmdline \"--verbose 23 71\"")))
          (when (plist-get spec :shebang)
            (setq params-line (concat params-line " :shebang \"#!/bin/sh\"")))
          (let* ((result (org-test-with-temp-text
                             (mapconcat #'identity
                                        (list "#+name: input"
                                              "tramp"
                                              ""
                                              (concat "<point>"
                                                      "#+begin_src sh :results output " params-line)
                                              args-line
                                              who-line
                                              "  echo \"hello $who from $(pwd)/\""
                                              "#+end_src")
                                        "\n")
                           (org-trim (org-babel-execute-src-block))))
                 (expected (concat "ARGS: --verbose 23 71"
                                   "\nhello tramp from " (file-local-name default-directory))))
            (should (equal result expected)))))))

(ert-deftest ob-shell/results-table ()
  "Test :results table."
  (should
   (equal '(("I \"want\" it all"))
          (org-test-with-temp-text
              "#+BEGIN_SRC sh :results table\necho 'I \"want\" it all'\n#+END_SRC"
            (org-babel-execute-src-block)))))

(ert-deftest ob-shell/results-list ()
  "Test :results list."
  (org-test-with-temp-text
      "#+BEGIN_SRC sh :results list\necho 1\necho 2\necho 3\n#+END_SRC"
    (should
     (equal '((1) (2) (3))
            (org-babel-execute-src-block)))
    (search-forward "#+results")
    (beginning-of-line 2)
    (should
     (equal
      "- 1\n- 2\n- 3\n"
      (buffer-substring-no-properties (point) (point-max))))))

;;; Standard output

(ert-deftest ob-shell/standard-output-after-success ()
  "Test standard output after exiting with a zero code."
  (should (= 1
             (org-babel-execute:sh
              "echo 1" nil))))

(ert-deftest ob-shell/standard-output-after-failure ()
  "Test standard output after exiting with a non-zero code."
  (should (= 1
             (org-babel-execute:sh
              "echo 1; exit 2" nil))))

;;; Standard error

(ert-deftest ob-shell/error-output-after-success ()
  "Test that standard error shows in the error buffer, alongside the
exit code, after exiting with a zero code."
  (should
   (string= "1
[ Babel evaluation exited with code 0 ]"
            (progn (org-babel-eval-wipe-error-buffer)
                   (org-babel-execute:sh
                    "echo 1 >&2" nil)
                   (with-current-buffer org-babel-error-buffer-name
                     (buffer-string))))))

(ert-deftest ob-shell/error-output-after-failure ()
  "Test that standard error shows in the error buffer, alongside the
exit code, after exiting with a non-zero code."
  (should
   (string= "1
[ Babel evaluation exited with code 2 ]"
            (progn (org-babel-eval-wipe-error-buffer)
                   (org-babel-execute:sh
                    "echo 1 >&2; exit 2" nil)
                   (with-current-buffer org-babel-error-buffer-name
                     (buffer-string))))))

(ert-deftest ob-shell/error-output-after-failure-multiple ()
  "Test that multiple standard error strings show in the error
buffer, alongside multiple exit codes."
  (should
   (string= "1
[ Babel evaluation exited with code 2 ]
3
[ Babel evaluation exited with code 4 ]"
            (progn (org-babel-eval-wipe-error-buffer)
                   (org-babel-execute:sh
                    "echo 1 >&2; exit 2" nil)
                   (org-babel-execute:sh
                    "echo 3 >&2; exit 4" nil)
                   (with-current-buffer org-babel-error-buffer-name
                     (buffer-string))))))

;;; Exit codes

(ert-deftest ob-shell/exit-code ()
  "Test that the exit code shows in the error buffer after exiting
with a non-zero return code."
  (should
   (string= "[ Babel evaluation exited with code 1 ]"
            (progn (org-babel-eval-wipe-error-buffer)
                   (org-babel-execute:sh
                    "exit 1" nil)
                   (with-current-buffer org-babel-error-buffer-name
                     (buffer-string))))))

(ert-deftest ob-shell/exit-code-multiple ()
  "Test that multiple exit codes show in the error buffer after
exiting with a non-zero return code multiple times."
  (should
   (string= "[ Babel evaluation exited with code 1 ]
[ Babel evaluation exited with code 2 ]"
            (progn (org-babel-eval-wipe-error-buffer)
                   (org-babel-execute:sh
                    "exit 1" nil)
                   (org-babel-execute:sh
                    "exit 2" nil)
                   (with-current-buffer org-babel-error-buffer-name
                     (buffer-string))))))

(provide 'test-ob-shell)

;;; test-ob-shell.el ends here

debug log:

solving 0328a0926 ...
found 0328a0926 in https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
found 9c80aa1af in https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
found ecdc461d3 in https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
found 625dc64b9 in https://list.orgmode.org/orgmode/18555580d75.d7b471f9370716.1497263973038999899@excalamus.com/ ||
	https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
found 816e93ac5 in https://list.orgmode.org/orgmode/18555580d75.d7b471f9370716.1497263973038999899@excalamus.com/ ||
	https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
found b0d9beff4 in https://git.savannah.gnu.org/cgit/emacs/org-mode.git
preparing index
index prepared:
100644 b0d9beff467c9a17e05feb9dda0565d433c3e0d1	testing/lisp/test-ob-shell.el

applying [1/5] https://list.orgmode.org/orgmode/18555580d75.d7b471f9370716.1497263973038999899@excalamus.com/
diff --git a/testing/lisp/test-ob-shell.el b/testing/lisp/test-ob-shell.el
index b0d9beff4..816e93ac5 100644

Checking patch testing/lisp/test-ob-shell.el...
Applied patch testing/lisp/test-ob-shell.el cleanly.

skipping https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/ for 816e93ac5
index at:
100644 816e93ac5c51b8ff7ed70409ee3a098a075c4e95	testing/lisp/test-ob-shell.el

applying [2/5] https://list.orgmode.org/orgmode/18555580d75.d7b471f9370716.1497263973038999899@excalamus.com/
diff --git a/testing/lisp/test-ob-shell.el b/testing/lisp/test-ob-shell.el
index 816e93ac5..625dc64b9 100644

Checking patch testing/lisp/test-ob-shell.el...
Applied patch testing/lisp/test-ob-shell.el cleanly.

skipping https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/ for 625dc64b9
index at:
100644 625dc64b9d1a66c9897efaaf829e6a0113d40043	testing/lisp/test-ob-shell.el

applying [3/5] https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
diff --git a/testing/lisp/test-ob-shell.el b/testing/lisp/test-ob-shell.el
index 625dc64b9..ecdc461d3 100644


applying [4/5] https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
diff --git a/testing/lisp/test-ob-shell.el b/testing/lisp/test-ob-shell.el
index ecdc461d3..9c80aa1af 100644


applying [5/5] https://list.orgmode.org/orgmode/1853354beb4.fce54d8d902653.6359367327256505471@excalamus.com/
diff --git a/testing/lisp/test-ob-shell.el b/testing/lisp/test-ob-shell.el
index 9c80aa1af..0328a0926 100644

Checking patch testing/lisp/test-ob-shell.el...
Applied patch testing/lisp/test-ob-shell.el cleanly.
Checking patch testing/lisp/test-ob-shell.el...
Applied patch testing/lisp/test-ob-shell.el cleanly.
Checking patch testing/lisp/test-ob-shell.el...
Applied patch testing/lisp/test-ob-shell.el cleanly.

index at:
100644 0328a0926c3e3cbac94708675bbc8f527fe20714	testing/lisp/test-ob-shell.el

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