test/automated/url-future-tests.el

   1 ;;; url-future-tests.el --- Test suite for url-future.
   2
   3 ;; Copyright (C) 2011-2014 Free Software Foundation, Inc.
   4
   5 ;; Author: Teodor Zlatanov <tzz@lifelogs.com>
   6 ;; Keywords: data
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Code:
  24
  25 (require 'ert)
  26 (require 'url-future)
  27
  28 (ert-deftest url-future-tests ()
  29   (let* (saver
  30          (text "running future")
  31          (good (make-url-future :value (lambda () (format text))
  32                                 :callback (lambda (f) (set 'saver f))))
  33          (bad (make-url-future :value (lambda () (/ 1 0))
  34                                :errorback (lambda (&rest d) (set 'saver d))))
  35          (tocancel (make-url-future :value (lambda () (/ 1 0))
  36                                     :callback (lambda (f) (set 'saver f))
  37                                     :errorback (lambda (&rest d)
  38                                                  (set 'saver d)))))
  39     (should (equal good (url-future-call good)))
  40     (should (equal good saver))
  41     (should (equal text (url-future-value good)))
  42     (should (url-future-completed-p good))
  43     (should-error (url-future-call good))
  44     (setq saver nil)
  45     (should (equal bad (url-future-call bad)))
  46     (should-error (url-future-call bad))
  47     (should (equal saver (list bad '(arith-error))))
  48     (should (url-future-errored-p bad))
  49     (setq saver nil)
  50     (should (equal (url-future-cancel tocancel) tocancel))
  51     (should-error (url-future-call tocancel))
  52     (should (null saver))
  53     (should (url-future-cancelled-p tocancel))))
  54
  55 (provide 'url-future-tests)
  56
  57 ;;; url-future-tests.el ends here