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Add tests for incomplete escape sequences in ansi-color-tests

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* test/lisp/ansi-color-tests.el
(ansi-color-tests-equal-props): New function.
(ansi-color-incomplete-sequences-test): New ert test (bug#50806).
This commit is contained in:
Miha Rihtaršič 2021-10-05 12:20:45 +02:00 committed by Lars Ingebrigtsen
parent a8b2d85899
commit c5c545e45e
1 changed files with 82 additions and 0 deletions
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82
test/lisp/ansi-color-tests.el
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@ -24,6 +24,7 @@
;;; Code:
(require 'ansi-color)
(eval-when-compile (require 'cl-lib))
(defvar ansi-color-tests--strings
(let ((bright-yellow (face-foreground 'ansi-color-bright-yellow nil 'default))
@ -61,6 +62,17 @@
("\e[48;2;135;255;255;1mHello World\e[0m" "Hello World"
(ansi-color-bold (:background ,custom-color))))))
(defun ansi-color-tests-equal-props (o1 o2)
"Return t if two Lisp objects have similar structure and contents.
While `equal-including-properties' compares text properties of
strings with `eq', this function compares them with `equal'."
(or (equal-including-properties o1 o2)
(and (stringp o1)
(equal o1 o2)
(cl-loop for i below (length o1)
always (equal (text-properties-at i o1)
(text-properties-at i o2))))))
(ert-deftest ansi-color-apply-on-region-test ()
(pcase-dolist (`(,input ,text ,face) ansi-color-tests--strings)
(with-temp-buffer
@ -91,6 +103,76 @@
(ansi-color-apply-on-region (point-min) (point-max) t)
(should (equal (buffer-string) (car pair))))))
(ert-deftest ansi-color-incomplete-sequences-test ()
(let* ((strs (list "\e[" "2;31m Hello World "
"\e" "[108;5;12" "3m" "Greetings"
"\e[0m\e[35;6m" "Hello"))
(complete-str (apply #'concat strs))
(filtered-str)
(propertized-str)
(ansi-color-apply-face-function
#'ansi-color-apply-text-property-face)
(ansi-filt (lambda (str) (ansi-color-filter-apply
(copy-sequence str))))
(ansi-app (lambda (str) (ansi-color-apply
(copy-sequence str)))))
(with-temp-buffer
(setq filtered-str
(replace-regexp-in-string "\e\\[.*?m" "" complete-str))
(setq propertized-str (funcall ansi-app complete-str))
(should-not (ansi-color-tests-equal-props
filtered-str propertized-str))
(should (equal filtered-str propertized-str)))
;; Tests for `ansi-color-filter-apply'
(with-temp-buffer
(should (equal-including-properties
filtered-str
(funcall ansi-filt complete-str))))
(with-temp-buffer
(should (equal-including-properties
filtered-str
(mapconcat ansi-filt strs ""))))
;; Tests for `ansi-color-filter-region'
(with-temp-buffer
(insert complete-str)
(ansi-color-filter-region (point-min) (point-max))
(should (equal-including-properties
filtered-str (buffer-string))))
(with-temp-buffer
(dolist (str strs)
(let ((opoint (point)))
(insert str)
(ansi-color-filter-region opoint (point))))
(should (equal-including-properties
filtered-str (buffer-string))))
;; Test for `ansi-color-apply'
(with-temp-buffer
(should (ansi-color-tests-equal-props
propertized-str
(mapconcat ansi-app strs ""))))
;; Tests for `ansi-color-apply-on-region'
(with-temp-buffer
(insert complete-str)
(ansi-color-apply-on-region (point-min) (point-max))
(should (ansi-color-tests-equal-props
propertized-str (buffer-string))))
(with-temp-buffer
(dolist (str strs)
(let ((opoint (point)))
(insert str)
(ansi-color-apply-on-region opoint (point))))
(should (ansi-color-tests-equal-props
propertized-str (buffer-string))))))
(provide 'ansi-color-tests)
;;; ansi-color-tests.el ends here