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;;; flymake-tests.el --- Test suite for flymake
;; Copyright (C) 2011-2016 Free Software Foundation, Inc.
;; Author: Eduard Wiebe <usenet@pusto.de>
;; 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'ert)
(require 'flymake)
(defvar flymake-tests-data-directory
(expand-file-name "data/flymake" (getenv "EMACS_TEST_DIRECTORY"))
"Directory containing flymake test data.")
;; Warning predicate
(defun flymake-tests--current-face (file predicate)
(let ((buffer (find-file-noselect
(expand-file-name file flymake-tests-data-directory)))
(process-environment (cons "LC_ALL=C" process-environment))
(i 0))
(unwind-protect
(with-current-buffer buffer
(setq-local flymake-warning-predicate predicate)
(goto-char (point-min))
(flymake-mode 1)
;; Weirdness here... http://debbugs.gnu.org/17647#25
(while (and flymake-is-running (< (setq i (1+ i)) 10))
(sleep-for (+ 0.5 flymake-no-changes-timeout)))
(flymake-goto-next-error)
(face-at-point))
(and buffer (let (kill-buffer-query-functions) (kill-buffer buffer))))))
(ert-deftest warning-predicate-rx-gcc ()
"Test GCC warning via regexp predicate."
(skip-unless (and (executable-find "gcc") (executable-find "make")))
(should (eq 'flymake-warnline
(flymake-tests--current-face "test.c" "^[Ww]arning"))))
(ert-deftest warning-predicate-function-gcc ()
"Test GCC warning via function predicate."
(skip-unless (and (executable-find "gcc") (executable-find "make")))
(should (eq 'flymake-warnline
(flymake-tests--current-face "test.c"
(lambda (msg) (string-match "^[Ww]arning" msg))))))
(ert-deftest warning-predicate-rx-perl ()
"Test perl warning via regular expression predicate."
(skip-unless (executable-find "perl"))
(should (eq 'flymake-warnline
(flymake-tests--current-face "test.pl" "^Scalar value"))))
(ert-deftest warning-predicate-function-perl ()
"Test perl warning via function predicate."
(skip-unless (executable-find "perl"))
(should (eq 'flymake-warnline
(flymake-tests--current-face
"test.pl"
(lambda (msg) (string-match "^Scalar value" msg))))))
(provide 'flymake-tests)
;;; flymake.el ends here
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