Fix `org-set-tags-to'.

* lisp/org.el (org-set-tags-to): Do not throw an error on empty
  headlines.
* testing/lisp/test-org.el (test-org/set-tags): Move test.
(test-org/set-tags-to): New test.

Reported-by: Adrian Bradd <a.bradd@columbia.edu>
<http://lists.gnu.org/r/emacs-orgmode/2018-03/msg00210.html>
This commit is contained in:
Nicolas Goaziou 2018-03-17 14:55:28 +01:00
parent 2f587d496f
commit ea4cb14883
2 changed files with 103 additions and 47 deletions

View File

@ -14806,36 +14806,28 @@ Assume point is on a headline."
(org-set-tags arg just-align))))
(defun org-set-tags-to (data)
"Set the tags of the current entry to DATA, replacing the current tags.
DATA may be a tags string like :aa:bb:cc:, or a list of tags.
If DATA is nil or the empty string, any tags will be removed."
"Set the tags of the current entry to DATA, replacing current tags.
DATA may be a tags string like \":aa:bb:cc:\", or a list of tags.
If DATA is nil or the empty string, all tags are removed."
(interactive "sTags: ")
(setq data
(cond
((eq data nil) "")
((equal data "") "")
((stringp data)
(concat ":" (mapconcat 'identity (org-split-string data ":+") ":")
":"))
((listp data)
(concat ":" (mapconcat 'identity data ":") ":"))))
(when data
(save-excursion
(let ((data
(pcase (if (stringp data) (org-trim data) data)
((or `nil "") nil)
((pred listp) (format ":%s:" (mapconcat #'identity data ":")))
((pred stringp)
(format ":%s:"
(mapconcat #'identity (org-split-string data ":+") ":")))
(_ (error "Invalid tag specification: %S" data)))))
(org-with-wide-buffer
(org-back-to-heading t)
(when (let ((case-fold-search nil))
(looking-at org-complex-heading-regexp))
(if (match-end 5)
(progn
(goto-char (match-beginning 5))
(insert data)
(delete-region (point) (point-at-eol))
(org-set-tags nil 'align))
(goto-char (point-at-eol))
(let ((case-fold-search nil)) (looking-at org-complex-heading-regexp))
(when (or (match-end 5) data)
(goto-char (or (match-beginning 5) (line-end-position)))
(skip-chars-backward " \t")
(delete-region (point) (line-end-position))
(when data
(insert " " data)
(org-set-tags nil 'align)))
(beginning-of-line 1)
(when (looking-at ".*?\\([ \t]+\\)$")
(delete-region (match-beginning 1) (match-end 1))))))
(org-set-tags nil 'align))))))
(defun org-align-all-tags ()
"Align the tags in all headings."

View File

@ -5953,6 +5953,88 @@ Paragraph<point>"
"* T<point>est :foo:bar:"
(org-get-tags-at)))))
(ert-deftest test-org/set-tags ()
"Test `org-set-tags' specifications."
;; Tags set via fast-tag-selection should be visible afterwards
(should
(let ((org-tag-alist '(("NEXT" . ?n)))
(org-fast-tag-selection-single-key t))
(cl-letf (((symbol-function 'read-char-exclusive) (lambda () ?n))
((symbol-function 'window-width) (lambda (&rest args) 100)))
(org-test-with-temp-text "<point>* Headline\nAnd its content\n* And another headline\n\nWith some content"
;; Show only headlines
(org-content)
;; Set NEXT tag on current entry
(org-set-tags nil nil)
;; Move point to that NEXT tag
(search-forward "NEXT") (backward-word)
;; And it should be visible (i.e. no overlays)
(not (overlays-at (point))))))))
(ert-deftest test-org/set-tags-to ()
"Test `org-set-tags-to' specifications."
;; Throw an error on invalid data.
(should-error
(org-test-with-temp-text "* H"
(org-set-tags-to 'foo)))
;; `nil', an empty, and a blank string remove all tags.
(should
(equal "* H"
(org-test-with-temp-text "* H :tag1:tag2:"
(org-set-tags-to nil)
(buffer-string))))
(should
(equal "* H"
(org-test-with-temp-text "* H :tag1:tag2:"
(org-set-tags-to "")
(buffer-string))))
(should
(equal "* H"
(org-test-with-temp-text "* H :tag1:tag2:"
(org-set-tags-to " ")
(buffer-string))))
;; If there's nothing to remove, just bail out.
(should
(equal "* H"
(org-test-with-temp-text "* H"
(org-set-tags-to nil)
(buffer-string))))
(should
(equal "* "
(org-test-with-temp-text "* "
(org-set-tags-to nil)
(buffer-string))))
;; If DATA is a tag string, set current tags to it, even if it means
;; replacing old tags.
(should
(equal "* H :tag0:"
(org-test-with-temp-text "* H :tag1:tag2:"
(org-set-tags-to ":tag0:")
(buffer-string))))
(should
(equal "* H :tag0:"
(org-test-with-temp-text "* H"
(org-set-tags-to ":tag0:")
(buffer-string))))
;; If DATA is a list, set tags to this list, even if it means
;; replacing old tags.
(should
(equal "* H :tag0:"
(org-test-with-temp-text "* H :tag1:tag2:"
(org-set-tags-to '("tag0"))
(buffer-string))))
(should
(equal "* H :tag0:"
(org-test-with-temp-text "* H"
(org-set-tags-to '("tag0"))
(buffer-string))))
;; Special case: handle empty headlines.
(should
(equal "* :tag0:"
(org-test-with-temp-text "* "
(org-set-tags-to '("tag0"))
(buffer-string)))))
;;; TODO keywords
@ -6573,24 +6655,6 @@ CLOCK: [2012-03-29 Thu 10:00]--[2012-03-29 Thu 16:40] => 6:40"
(should-not
(org-test-with-temp-text "Paragraph" (org-hide-block-toggle-maybe))))
(ert-deftest test-org/set-tags ()
"Test `org-set-tags' specifications."
;; Tags set via fast-tag-selection should be visible afterwards
(should
(let ((org-tag-alist '(("NEXT" . ?n)))
(org-fast-tag-selection-single-key t))
(cl-letf (((symbol-function 'read-char-exclusive) (lambda () ?n))
((symbol-function 'window-width) (lambda (&rest args) 100)))
(org-test-with-temp-text "<point>* Headline\nAnd its content\n* And another headline\n\nWith some content"
;; Show only headlines
(org-content)
;; Set NEXT tag on current entry
(org-set-tags nil nil)
;; Move point to that NEXT tag
(search-forward "NEXT") (backward-word)
;; And it should be visible (i.e. no overlays)
(not (overlays-at (point))))))))
(ert-deftest test-org/show-set-visibility ()
"Test `org-show-set-visibility' specifications."
;; Do not throw an error before first heading.