test/automated/flymake-tests.el

   1 ;;; flymake-tests.el --- Test suite for flymake
   2
   3 ;; Copyright (C) 2011-2015 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 "data/flymake" (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         (i 0))
  38     (unwind-protect
  39         (with-current-buffer buffer
  40           (setq-local flymake-warning-predicate predicate)
  41           (goto-char (point-min))
  42           (flymake-mode 1)
  43           ;; Weirdness here...  http://debbugs.gnu.org/17647#25
  44           (while (and flymake-is-running (< (setq i (1+ i)) 10))
  45             (sleep-for (+ 0.5 flymake-no-changes-timeout)))
  46           (flymake-goto-next-error)
  47           (face-at-point))
  48       (and buffer (let (kill-buffer-query-functions) (kill-buffer buffer))))))
  49
  50 (ert-deftest warning-predicate-rx-gcc ()
  51   "Test GCC warning via regexp predicate."
  52   (skip-unless (executable-find "gcc"))
  53   (should (eq 'flymake-warnline
  54               (flymake-tests--current-face "test.c" "^[Ww]arning"))))
  55
  56 (ert-deftest warning-predicate-function-gcc ()
  57   "Test GCC warning via function predicate."
  58   (skip-unless (and (executable-find "gcc") (executable-find "make")))
  59   (should (eq 'flymake-warnline
  60               (flymake-tests--current-face "test.c"
  61                (lambda (msg) (string-match "^[Ww]arning" msg))))))
  62
  63 (ert-deftest warning-predicate-rx-perl ()
  64   "Test perl warning via regular expression predicate."
  65   (skip-unless (executable-find "perl"))
  66   (should (eq 'flymake-warnline
  67               (flymake-tests--current-face "test.pl" "^Scalar value"))))
  68
  69 (ert-deftest warning-predicate-function-perl ()
  70   "Test perl warning via function predicate."
  71   (skip-unless (executable-find "perl"))
  72   (should (eq 'flymake-warnline
  73               (flymake-tests--current-face
  74                "test.pl"
  75                (lambda (msg) (string-match "^Scalar value" msg))))))
  76
  77 (provide 'flymake-tests)
  78
  79 ;;; flymake.el ends here