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;;; files.el --- tests for file handling.
;; Copyright (C) 2012-2013 Free Software Foundation, Inc.
;; 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/>.
;;; Code:
(require 'ert)
;; Set to t if the local variable was set, `query' if the query was
;; triggered.
(defvar files-test-result nil)
(defvar files-test-safe-result nil)
(put 'files-test-safe-result 'safe-local-variable 'booleanp)
(defun files-test-fun1 ()
(setq files-test-result t))
;; Test combinations:
;; `enable-local-variables' t, nil, :safe, :all, or something else.
;; `enable-local-eval' t, nil, or something else.
(defvar files-test-local-variable-data
;; Unsafe eval form
'((("eval: (files-test-fun1)")
(t t (eq files-test-result t))
(t nil (eq files-test-result nil))
(t maybe (eq files-test-result 'query))
(nil t (eq files-test-result nil))
(nil nil (eq files-test-result nil))
(nil maybe (eq files-test-result nil))
(:safe t (eq files-test-result nil))
(:safe nil (eq files-test-result nil))
(:safe maybe (eq files-test-result nil))
(:all t (eq files-test-result t))
(:all nil (eq files-test-result nil))
(:all maybe (eq files-test-result t)) ; This combination is ambiguous.
(maybe t (eq files-test-result 'query))
(maybe nil (eq files-test-result nil))
(maybe maybe (eq files-test-result 'query)))
;; Unsafe local variable value
(("files-test-result: t")
(t t (eq files-test-result 'query))
(t nil (eq files-test-result 'query))
(t maybe (eq files-test-result 'query))
(nil t (eq files-test-result nil))
(nil nil (eq files-test-result nil))
(nil maybe (eq files-test-result nil))
(:safe t (eq files-test-result nil))
(:safe nil (eq files-test-result nil))
(:safe maybe (eq files-test-result nil))
(:all t (eq files-test-result t))
(:all nil (eq files-test-result t))
(:all maybe (eq files-test-result t))
(maybe t (eq files-test-result 'query))
(maybe nil (eq files-test-result 'query))
(maybe maybe (eq files-test-result 'query)))
;; Safe local variable
(("files-test-safe-result: t")
(t t (eq files-test-safe-result t))
(t nil (eq files-test-safe-result t))
(t maybe (eq files-test-safe-result t))
(nil t (eq files-test-safe-result nil))
(nil nil (eq files-test-safe-result nil))
(nil maybe (eq files-test-safe-result nil))
(:safe t (eq files-test-safe-result t))
(:safe nil (eq files-test-safe-result t))
(:safe maybe (eq files-test-safe-result t))
(:all t (eq files-test-safe-result t))
(:all nil (eq files-test-safe-result t))
(:all maybe (eq files-test-safe-result t))
(maybe t (eq files-test-result 'query))
(maybe nil (eq files-test-result 'query))
(maybe maybe (eq files-test-result 'query)))
;; Safe local variable with unsafe value
(("files-test-safe-result: 1")
(t t (eq files-test-result 'query))
(t nil (eq files-test-result 'query))
(t maybe (eq files-test-result 'query))
(nil t (eq files-test-safe-result nil))
(nil nil (eq files-test-safe-result nil))
(nil maybe (eq files-test-safe-result nil))
(:safe t (eq files-test-safe-result nil))
(:safe nil (eq files-test-safe-result nil))
(:safe maybe (eq files-test-safe-result nil))
(:all t (eq files-test-safe-result 1))
(:all nil (eq files-test-safe-result 1))
(:all maybe (eq files-test-safe-result 1))
(maybe t (eq files-test-result 'query))
(maybe nil (eq files-test-result 'query))
(maybe maybe (eq files-test-result 'query))))
"List of file-local variable tests.
Each list element should have the form
(LOCAL-VARS-LIST . TEST-LIST)
where LOCAL-VARS-LISTS should be a list of local variable
definitions (strings) and TEST-LIST is a list of tests to
perform. Each entry of TEST-LIST should have the form
(ENABLE-LOCAL-VARIABLES ENABLE-LOCAL-EVAL FORM)
where ENABLE-LOCAL-VARIABLES is the value to assign to
`enable-local-variables', ENABLE-LOCAL-EVAL is the value to
assign to `enable-local-eval', and FORM is a desired `should'
form.")
(defun file-test--do-local-variables-test (str test-settings)
(with-temp-buffer
(insert str)
(setq files-test-result nil
files-test-safe-result nil)
(let ((enable-local-variables (nth 0 test-settings))
(enable-local-eval (nth 1 test-settings))
;; Prevent any dir-locals file interfering with the tests.
(enable-dir-local-variables nil)
(files-test-queried nil))
(hack-local-variables)
(eval (nth 2 test-settings)))))
(ert-deftest files-test-local-variables ()
"Test the file-local variables implementation."
(unwind-protect
(progn
(defadvice hack-local-variables-confirm (around files-test activate)
(setq files-test-result 'query)
nil)
(dolist (test files-test-local-variable-data)
(let ((str (concat "text\n\n;; Local Variables:\n;; "
(mapconcat 'identity (car test) "\n;; ")
"\n;; End:\n")))
(dolist (subtest (cdr test))
(should (file-test--do-local-variables-test str subtest))))))
(ad-disable-advice 'hack-local-variables-confirm 'around 'files-test)))
;; Stop the above "Local Var..." confusing Emacs.
;;; files.el ends here
|
