emacs/test/lisp/url/url-future-tests.el

60 lines
2.4 KiB
EmacsLisp

;;; url-future-tests.el --- Test suite for url-future. -*- lexical-binding:t -*-
;; Copyright (C) 2011-2024 Free Software Foundation, Inc.
;; Author: Teodor Zlatanov <tzz@lifelogs.com>
;; Keywords: data
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'url-future)
(defvar url-future-tests--saver)
(ert-deftest url-future-tests ()
(let* (url-future-tests--saver
(text "running future")
(good (make-url-future :value (lambda () (format text))
:callback (lambda (f) (setq url-future-tests--saver f))))
(bad (make-url-future :value (lambda () (/ 1 0))
:errorback (lambda (&rest d) (setq url-future-tests--saver d))))
(tocancel (make-url-future :value (lambda () (/ 1 0))
:callback (lambda (f) (setq url-future-tests--saver f))
:errorback (lambda (&rest d)
(setq url-future-tests--saver d)))))
(should (equal good (url-future-call good)))
(should (equal good url-future-tests--saver))
(should (equal text (url-future-value good)))
(should (url-future-completed-p good))
(should-error (url-future-call good))
(setq url-future-tests--saver nil)
(should (equal bad (url-future-call bad)))
(should-error (url-future-call bad))
(should (equal url-future-tests--saver (list bad '(arith-error))))
(should (url-future-errored-p bad))
(setq url-future-tests--saver nil)
(should (equal (url-future-cancel tocancel) tocancel))
(should-error (url-future-call tocancel))
(should (null url-future-tests--saver))
(should (url-future-canceled-p tocancel))))
(provide 'url-future-tests)
;;; url-future-tests.el ends here