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Add some regression tests for base45 decoder

master
Daniel Borchmann 8 months ago
parent
commit
f1c3af9ea7
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  1. 27
      site-lisp/db-utils.el

27
site-lisp/db-utils.el

@ -18,6 +18,8 @@
(require 'compile)
(require 'calc)
(require 'calc-forms)
(require 'ert)
(require 's)
(autoload 'async-start "async")
(autoload 'lispy-mode "lispy")
@ -547,6 +549,15 @@ Does not replace CRLF with CRCRLF, and so on."
(apply #'string list-of-bytes)))
(ert-deftest db/base45-decode-string--basic-tests ()
"Test basic decoding examples"
;; dash is funny :)
(-each '(("QED8WEX0" "ietf!")
("X.CT3EGEC" "foobar")
("x.ct3egec" "foobar"))
(-lambda ((in out))
(should (equal out (db/base45-decode-string in))))))
(defun db/base45-decode-region (beg end)
"Base45-decode region between BEG and END.
@ -560,6 +571,22 @@ Replaces the region by the result of the decoding."
(dolist (char (string-to-list replace-string))
(insert-byte char 1))))
(ert-deftest db/base45-decode-region--insert-correct-bytes ()
"Test whether bytes are always inserted.
Take the start of a compressed EU Digital Covid Certificate and
insert into a temporary buffer; check that indeed the expected
number of bytes has been inserted."
(let ((encoded-string "6BFOXN"))
(with-temp-buffer
(insert encoded-string)
(db/base45-decode-region (point-min) (point-max))
(message "%s" (string-to-list (buffer-string)))
;; (120 4194204 4194235 4194260) is Emacs' internal representation of
;; x\234\273\324, where the last three bytes are raw-byte; when
;; non-raw-bytes would have been inserted, it would be (120 156 …)
(should (equal '(120 4194204 4194235 4194260)
(string-to-list (buffer-string)))))))
;;; Extend Input Methods

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