etest-execute.el

   1 ;;; etest-execute.el --- Help the user run tests.
   2
   3 ;; Copyright (C) 2008 Philip Jackson
   4
   5 ;; Author: Philip Jackson <phil@shellarchive.co.uk>
   6
   7 ;; This file is not currently part of GNU Emacs.
   8
   9 ;; This program is free software; you can redistribute it and/or
  10 ;; modify it under the terms of the GNU General Public License as
  11 ;; published by the Free Software Foundation; either version 2, or (at
  12 ;; your option) any later version.
  13
  14 ;; This program is distributed in the hope that it will be useful, but
  15 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 ;; General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with this program ; see the file COPYING.  If not, write to
  21 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Commentary:
  25
  26 ;; This file will aid the execution of a test run. From any buffer
  27 ;; simply run `etest-execute' and it will do its best to find a valid
  28 ;; etest file and load it.
  29
  30 (make-variable-buffer-local
  31  (defvar etest-file nil
  32   "The path of the etest file associated with the current buffer."))
  33
  34 (defvar etest-load-path '("~/.etests")
  35   "The path of the etest load path.")
  36
  37 (defun etest-execute-get-test-file ()
  38   "Find a test file by first checking the (buffer local) variable
  39 `etest-file'. Then checking `etest-load-path' for a similarly
  40 named (to the buffer) file. Then looking in `default-directory'."
  41   (cond
  42     ((and etest-file (file-exists-p (expand-file-name etest-file)))
  43      (expand-file-name etest-file))
  44     ((and buffer-file-name
  45           (catch 'found
  46             (let ((etest-load-path (append etest-load-path
  47                                            (list default-directory)))
  48                   (name (concat
  49                          (file-name-sans-extension
  50                           (file-name-nondirectory buffer-file-name)) ".etest")))
  51               (mapc '(lambda (d)
  52                       (let ((name (expand-file-name (concat d "/" name))))
  53                         (when (file-exists-p name)
  54                           (throw 'found name))))
  55                     etest-load-path)
  56               nil))))))
  57
  58 (defun etest-execute ()
  59   "Execute a run for the current file using
  60 `etest-execute-get-test-file'."
  61   (interactive)
  62   (let ((file (etest-execute-get-test-file)))
  63     (unless file
  64       (error "No matching .etest file found"))
  65     (load-file file)))
  66
  67 (provide 'etest-execute)