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;;; test-custom-text-enclose--enclose-region-or-word.el --- Tests for the shared enclose dispatch -*- lexical-binding: t; -*-
;;; Commentary:
;; cj/--enclose-region-or-word is the dispatch+edit skeleton extracted from
;; cj/surround/wrap/unwrap-word-or-region (region target, else word at point,
;; else a no-target message). The three commands stay covered by
;; test-custom-text-enclose-public-wrappers.el; these cover the helper directly,
;; including the custom and default no-target messages.
;;; Code:
(require 'ert)
(require 'cl-lib)
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
(require 'custom-text-enclose)
(ert-deftest test-cte-enclose-region-target ()
"Normal: an active region is the target; TRANSFORM is applied to it."
(with-temp-buffer
(let ((transient-mark-mode t))
(insert "abc")
(goto-char (point-min))
(push-mark (point) t t)
(goto-char (point-max))
(cj/--enclose-region-or-word #'upcase))
(should (equal (buffer-string) "ABC"))
(should (= (point) 4)))) ; after the inserted "ABC" (start 1 + 3)
(ert-deftest test-cte-enclose-word-at-point-target ()
"Normal: with no region, the word at point is the target."
(with-temp-buffer
(insert "foo bar")
(goto-char (point-min)) ; point on "foo"
(cj/--enclose-region-or-word (lambda (s) (concat "<" s ">")))
(should (equal (buffer-string) "<foo> bar"))))
(ert-deftest test-cte-enclose-no-target-default-message ()
"Boundary: no region and no word => default message, buffer untouched."
(with-temp-buffer
(insert " ") ; whitespace, no word
(goto-char (point-min))
(let ((msg nil))
(cl-letf (((symbol-function 'message)
(lambda (fmt &rest args) (setq msg (apply #'format fmt args)))))
(cj/--enclose-region-or-word #'upcase))
(should (string-match-p "No word at point" msg))
(should (equal (buffer-string) " ")))))
(ert-deftest test-cte-enclose-no-target-custom-message ()
"Boundary: a supplied NO-TARGET-MESSAGE overrides the default."
(with-temp-buffer
(insert " ")
(goto-char (point-min))
(let ((msg nil))
(cl-letf (((symbol-function 'message)
(lambda (fmt &rest args) (setq msg (apply #'format fmt args)))))
(cj/--enclose-region-or-word #'upcase "custom no-target text"))
(should (equal msg "custom no-target text")))))
(provide 'test-custom-text-enclose--enclose-region-or-word)
;;; test-custom-text-enclose--enclose-region-or-word.el ends here
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