test/automated/flymake-tests.el

   1 ;;; flymake-tests.el --- Test suite for flymake
   2
   3 ;; Copyright (C) 2011-2014 Free Software Foundation, Inc.
   4
   5 ;; Author: Eduard Wiebe <usenet@pusto.de>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23
  24 ;;; Code:
  25 (require 'ert)
  26 (require 'flymake)
  27
  28 (defvar flymake-tests-data-directory
  29   (expand-file-name "flymake/warnpred" (getenv "EMACS_TEST_DIRECTORY"))
  30   "Directory containing flymake test data.")
  31
  32 \f
  33 ;; Warning predicate
  34 (defun flymake-tests--current-face (file predicate)
  35   (let ((buffer (find-file-noselect
  36                  (expand-file-name file flymake-tests-data-directory))))
  37     (unwind-protect
  38         (with-current-buffer buffer
  39           (setq-local flymake-warning-predicate predicate)
  40           (goto-char (point-min))
  41           (flymake-mode 1)
  42           ;; XXX: is this reliable enough?
  43           (sleep-for (+ 0.5 flymake-no-changes-timeout))
  44           (flymake-goto-next-error)
  45           (face-at-point))
  46       (and buffer (kill-buffer buffer)))))
  47
  48 (ert-deftest warning-predicate-rx-gcc ()
  49   "Test GCC warning via regexp predicate."
  50   (skip-unless (executable-find "gcc"))
  51   (should (eq 'flymake-warnline
  52               (flymake-tests--current-face "test.c" "^[Ww]arning"))))
  53
  54 (ert-deftest warning-predicate-function-gcc ()
  55   "Test GCC warning via function predicate."
  56   (skip-unless (and (executable-find "gcc") (executable-find "make")))
  57   (should (eq 'flymake-warnline
  58               (flymake-tests--current-face "test.c"
  59                (lambda (msg) (string-match "^[Ww]arning" msg))))))
  60
  61 (ert-deftest warning-predicate-rx-perl ()
  62   "Test perl warning via regular expression predicate."
  63   (skip-unless (executable-find "perl"))
  64   (should (eq 'flymake-warnline
  65               (flymake-tests--current-face "test.pl" "^Scalar value"))))
  66
  67 (ert-deftest warning-predicate-function-perl ()
  68   "Test perl warning via function predicate."
  69   (skip-unless (executable-find "perl"))
  70   (should (eq 'flymake-warnline
  71               (flymake-tests--current-face
  72                "test.pl"
  73                (lambda (msg) (string-match "^Scalar value" msg))))))
  74
  75 (provide 'flymake-tests)
  76
  77 ;;; flymake.el ends here