[bpt/emacs.git] / lisp / eshell / esh-test.el

;;; esh-test.el --- Eshell test suite

;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
;;   2008, 2009, 2010  Free Software Foundation, Inc.

;; Author: John Wiegley <johnw@gnu.org>

;; 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:

;; The purpose of this module is to verify that Eshell works as
;; expected.  To run it on your system, use the command
;; \\[eshell-test].

;;; Code:

(eval-when-compile
  (require 'eshell)
  (require 'esh-util))
(require 'esh-mode)

(defgroup eshell-test nil
  "This module is meant to ensure that Eshell is working correctly."
  :tag "Eshell test suite"
  :group 'eshell)

;;; User Variables:

(defface eshell-test-ok
  '((((class color) (background light)) (:foreground "Green" :bold t))
    (((class color) (background dark)) (:foreground "Green" :bold t)))
  "The face used to highlight OK result strings."
  :group 'eshell-test)
(define-obsolete-face-alias 'eshell-test-ok-face 'eshell-test-ok "22.1")

(defface eshell-test-failed
  '((((class color) (background light)) (:foreground "OrangeRed" :bold t))
    (((class color) (background dark)) (:foreground "OrangeRed" :bold t))
    (t (:bold t)))
  "The face used to highlight FAILED result strings."
  :group 'eshell-test)
(define-obsolete-face-alias 'eshell-test-failed-face 'eshell-test-failed "22.1")

(defcustom eshell-show-usage-metrics nil
  "If non-nil, display different usage metrics for each Eshell command."
  :set (lambda (symbol value)
	 (if value
	     (add-hook 'eshell-mode-hook 'eshell-show-usage-metrics)
	   (remove-hook 'eshell-mode-hook 'eshell-show-usage-metrics))
	 (set symbol value))
  :type '(choice (const :tag "No metrics" nil)
		 (const :tag "Cons cells consumed" t)
		 (const :tag "Time elapsed" 0))
  :group 'eshell-test)

;;; Code:

(defvar test-buffer)

(defun eshell-insert-command (text &optional func)
  "Insert a command at the end of the buffer."
  (goto-char eshell-last-output-end)
  (insert-and-inherit text)
  (funcall (or func 'eshell-send-input)))

(defun eshell-match-result (regexp)
  "Insert a command at the end of the buffer."
  (goto-char eshell-last-input-end)
  (looking-at regexp))

(defun eshell-command-result-p (text regexp &optional func)
  "Insert a command at the end of the buffer."
  (eshell-insert-command text func)
  (eshell-match-result regexp))

(defvar eshell-test-failures nil)

(defun eshell-run-test (module funcsym label command)
  "Test whether FORM evaluates to a non-nil value."
  (when (let ((sym (intern-soft (concat "eshell-" (symbol-name module)))))
	  (or (memq sym (eshell-subgroups 'eshell))
	      (eshell-using-module sym)))
    (with-current-buffer test-buffer
      (insert-before-markers
       (format "%-70s " (substring label 0 (min 70 (length label)))))
      (insert-before-markers "  ....")
      (eshell-redisplay))
    (let ((truth (eval command)))
      (with-current-buffer test-buffer
	(delete-char -6)
	(insert-before-markers
	 "[" (let (str)
	       (if truth
		   (progn
		     (setq str "  OK  ")
		     (put-text-property 0 6 'face 'eshell-test-ok str))
		 (setq str "FAILED")
		 (setq eshell-test-failures (1+ eshell-test-failures))
		 (put-text-property 0 6 'face 'eshell-test-failed str))
	       str) "]")
	(add-text-properties (line-beginning-position) (point)
			     (list 'test-func funcsym))
	(eshell-redisplay)))))

(defun eshell-test-goto-func ()
  "Jump to the function that defines a particular test."
  (interactive)
  (let ((fsym (get-text-property (point) 'test-func)))
    (when fsym
      (let* ((def (symbol-function fsym))
	     (library (locate-library (symbol-file fsym 'defun)))
	     (name (substring (symbol-name fsym)
			      (length "eshell-test--")))
	     (inhibit-redisplay t))
	(find-file library)
	(goto-char (point-min))
	(re-search-forward (concat "^(eshell-deftest\\s-+\\w+\\s-+"
				   name))
	(beginning-of-line)))))

(defun eshell-run-one-test (&optional arg)
  "Jump to the function that defines a particular test."
  (interactive "P")
  (let ((fsym (get-text-property (point) 'test-func)))
    (when fsym
      (beginning-of-line)
      (delete-region (point) (line-end-position))
      (let ((test-buffer (current-buffer)))
	(set-buffer (let ((inhibit-redisplay t))
		      (save-window-excursion (eshell t))))
	(funcall fsym)
	(unless arg
	  (kill-buffer (current-buffer)))))))

;;;###autoload
(defun eshell-test (&optional arg)
  "Test Eshell to verify that it works as expected."
  (interactive "P")
  (let* ((begin (eshell-time-to-seconds (current-time)))
	 (test-buffer (get-buffer-create "*eshell test*")))
    (set-buffer (let ((inhibit-redisplay t))
		  (save-window-excursion (eshell t))))
    (with-current-buffer test-buffer
      (erase-buffer)
      (setq major-mode 'eshell-test-mode)
      (setq mode-name "EShell Test")
      (set (make-local-variable 'eshell-test-failures) 0)
      (local-set-key [(control ?c) (control ?c)] 'eshell-test-goto-func)
      (local-set-key [(control ?c) (control ?r)] 'eshell-run-one-test)
      (local-set-key [(control ?m)] 'eshell-test-goto-func)
      (local-set-key [return] 'eshell-test-goto-func)

      (insert "Testing Eshell under " (emacs-version))
      (switch-to-buffer test-buffer)
      (delete-other-windows))
    (eshell-for funcname (sort (all-completions "eshell-test--"
						obarray 'functionp)
			       'string-lessp)
      (with-current-buffer test-buffer
	(insert "\n"))
      (funcall (intern-soft funcname)))
    (with-current-buffer test-buffer
      (insert (format "\n\n--- %s --- (completed in %d seconds)\n"
		      (current-time-string)
		      (- (eshell-time-to-seconds (current-time))
			 begin)))
      (message "Eshell test suite completed: %s failure%s"
	       (if (> eshell-test-failures 0)
		   (number-to-string eshell-test-failures)
		 "No")
	       (if (= eshell-test-failures 1) "" "s"))))
  (goto-char eshell-last-output-end)
  (unless arg
    (kill-buffer (current-buffer))))


(defvar eshell-metric-before-command 0)
(defvar eshell-metric-after-command 0)

(defun eshell-show-usage-metrics ()
  "If run at Eshell mode startup, metrics are shown after each command."
  (set (make-local-variable 'eshell-metric-before-command)
       (if (eq eshell-show-usage-metrics t)
	   0
	 (current-time)))
  (set (make-local-variable 'eshell-metric-after-command)
       (if (eq eshell-show-usage-metrics t)
	   0
	 (current-time)))

  (add-hook 'eshell-pre-command-hook
	    (function
	     (lambda ()
	       (setq eshell-metric-before-command
		     (if (eq eshell-show-usage-metrics t)
			 (car (memory-use-counts))
		       (current-time))))) nil t)

  (add-hook 'eshell-post-command-hook
	    (function
	     (lambda ()
	       (setq eshell-metric-after-command
		     (if (eq eshell-show-usage-metrics t)
			 (car (memory-use-counts))
		       (current-time)))
	       (eshell-interactive-print
		(concat
		 (int-to-string
		  (if (eq eshell-show-usage-metrics t)
		      (- eshell-metric-after-command
			 eshell-metric-before-command 7)
		    (- (eshell-time-to-seconds
			eshell-metric-after-command)
		       (eshell-time-to-seconds
			eshell-metric-before-command))))
		 "\n"))))
	    nil t))

(provide 'esh-test)

;; arch-tag: 6e32275a-8285-4a4e-b7cf-819aa7c86b8e
;;; esh-test.el ends here
Commit	Line	Data
60370d40	1	;;; esh-test.el --- Eshell test suite
affbf647	2
1a32899d	3	;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
114f9c96	4	;; 2008, 2009, 2010 Free Software Foundation, Inc.
affbf647	5
7de5b421 GM	6	;; Author: John Wiegley <johnw@gnu.org>
7de5b421 GM	7
affbf647 GM	8	;; This file is part of GNU Emacs.
affbf647 GM	9
4ee57b2a	10	;; GNU Emacs is free software: you can redistribute it and/or modify
affbf647	11	;; it under the terms of the GNU General Public License as published by
4ee57b2a GM	12	;; the Free Software Foundation, either version 3 of the License, or
4ee57b2a GM	13	;; (at your option) any later version.
affbf647 GM	14
	15	;; GNU Emacs is distributed in the hope that it will be useful,
	16	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	;; GNU General Public License for more details.
	19
	20	;; You should have received a copy of the GNU General Public License
4ee57b2a	21	;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
affbf647	22
affbf647 GM	23	;;; Commentary:
	24
	25	;; The purpose of this module is to verify that Eshell works as
	26	;; expected. To run it on your system, use the command
	27	;; \\[eshell-test].
	28
	29	;;; Code:
	30
00c3ec76 GM	31	(eval-when-compile
	32	(require 'eshell)
	33	(require 'esh-util))
affbf647 GM	34	(require 'esh-mode)
affbf647 GM	35
00c3ec76 GM	36	(defgroup eshell-test nil
	37	"This module is meant to ensure that Eshell is working correctly."
	38	:tag "Eshell test suite"
	39	:group 'eshell)
	40
affbf647 GM	41	;;; User Variables:
affbf647 GM	42
958e6876	43	(defface eshell-test-ok
affbf647 GM	44	'((((class color) (background light)) (:foreground "Green" :bold t))
affbf647 GM	45	(((class color) (background dark)) (:foreground "Green" :bold t)))
ec60da52	46	"The face used to highlight OK result strings."
affbf647	47	:group 'eshell-test)
2fb1ec93	48	(define-obsolete-face-alias 'eshell-test-ok-face 'eshell-test-ok "22.1")
affbf647	49
958e6876	50	(defface eshell-test-failed
affbf647 GM	51	'((((class color) (background light)) (:foreground "OrangeRed" :bold t))
	52	(((class color) (background dark)) (:foreground "OrangeRed" :bold t))
	53	(t (:bold t)))
ec60da52	54	"The face used to highlight FAILED result strings."
affbf647	55	:group 'eshell-test)
2fb1ec93	56	(define-obsolete-face-alias 'eshell-test-failed-face 'eshell-test-failed "22.1")
affbf647 GM	57
affbf647 GM	58	(defcustom eshell-show-usage-metrics nil
ec60da52	59	"If non-nil, display different usage metrics for each Eshell command."
affbf647 GM	60	:set (lambda (symbol value)
	61	(if value
	62	(add-hook 'eshell-mode-hook 'eshell-show-usage-metrics)
	63	(remove-hook 'eshell-mode-hook 'eshell-show-usage-metrics))
	64	(set symbol value))
	65	:type '(choice (const :tag "No metrics" nil)
	66	(const :tag "Cons cells consumed" t)
	67	(const :tag "Time elapsed" 0))
	68	:group 'eshell-test)
	69
	70	;;; Code:
	71
1a32899d	72	(defvar test-buffer)
affbf647 GM	73
	74	(defun eshell-insert-command (text &optional func)
	75	"Insert a command at the end of the buffer."
	76	(goto-char eshell-last-output-end)
	77	(insert-and-inherit text)
	78	(funcall (or func 'eshell-send-input)))
	79
	80	(defun eshell-match-result (regexp)
	81	"Insert a command at the end of the buffer."
	82	(goto-char eshell-last-input-end)
	83	(looking-at regexp))
	84
	85	(defun eshell-command-result-p (text regexp &optional func)
	86	"Insert a command at the end of the buffer."
	87	(eshell-insert-command text func)
	88	(eshell-match-result regexp))
	89
	90	(defvar eshell-test-failures nil)
	91
	92	(defun eshell-run-test (module funcsym label command)
	93	"Test whether FORM evaluates to a non-nil value."
	94	(when (let ((sym (intern-soft (concat "eshell-" (symbol-name module)))))
	95	(or (memq sym (eshell-subgroups 'eshell))
	96	(eshell-using-module sym)))
	97	(with-current-buffer test-buffer
	98	(insert-before-markers
	99	(format "%-70s " (substring label 0 (min 70 (length label)))))
	100	(insert-before-markers " ....")
	101	(eshell-redisplay))
	102	(let ((truth (eval command)))
	103	(with-current-buffer test-buffer
d355a0b7	104	(delete-char -6)
affbf647 GM	105	(insert-before-markers
	106	"[" (let (str)
	107	(if truth
	108	(progn
	109	(setq str " OK ")
958e6876	110	(put-text-property 0 6 'face 'eshell-test-ok str))
affbf647 GM	111	(setq str "FAILED")
affbf647 GM	112	(setq eshell-test-failures (1+ eshell-test-failures))
958e6876	113	(put-text-property 0 6 'face 'eshell-test-failed str))
affbf647 GM	114	str) "]")
	115	(add-text-properties (line-beginning-position) (point)
	116	(list 'test-func funcsym))
	117	(eshell-redisplay)))))
	118
	119	(defun eshell-test-goto-func ()
	120	"Jump to the function that defines a particular test."
	121	(interactive)
	122	(let ((fsym (get-text-property (point) 'test-func)))
	123	(when fsym
	124	(let* ((def (symbol-function fsym))
c044263b	125	(library (locate-library (symbol-file fsym 'defun)))
affbf647 GM	126	(name (substring (symbol-name fsym)
	127	(length "eshell-test--")))
	128	(inhibit-redisplay t))
	129	(find-file library)
	130	(goto-char (point-min))
	131	(re-search-forward (concat "^(eshell-deftest\\s-+\\w+\\s-+"
	132	name))
	133	(beginning-of-line)))))
	134
	135	(defun eshell-run-one-test (&optional arg)
	136	"Jump to the function that defines a particular test."
	137	(interactive "P")
	138	(let ((fsym (get-text-property (point) 'test-func)))
	139	(when fsym
	140	(beginning-of-line)
	141	(delete-region (point) (line-end-position))
	142	(let ((test-buffer (current-buffer)))
	143	(set-buffer (let ((inhibit-redisplay t))
	144	(save-window-excursion (eshell t))))
	145	(funcall fsym)
	146	(unless arg
	147	(kill-buffer (current-buffer)))))))
	148
	149	;;;###autoload
	150	(defun eshell-test (&optional arg)
	151	"Test Eshell to verify that it works as expected."
	152	(interactive "P")
	153	(let* ((begin (eshell-time-to-seconds (current-time)))
	154	(test-buffer (get-buffer-create "eshell test")))
	155	(set-buffer (let ((inhibit-redisplay t))
	156	(save-window-excursion (eshell t))))
	157	(with-current-buffer test-buffer
	158	(erase-buffer)
	159	(setq major-mode 'eshell-test-mode)
	160	(setq mode-name "EShell Test")
	161	(set (make-local-variable 'eshell-test-failures) 0)
	162	(local-set-key [(control ?c) (control ?c)] 'eshell-test-goto-func)
	163	(local-set-key [(control ?c) (control ?r)] 'eshell-run-one-test)
	164	(local-set-key [(control ?m)] 'eshell-test-goto-func)
	165	(local-set-key [return] 'eshell-test-goto-func)
	166
97dad9d3	167	(insert "Testing Eshell under " (emacs-version))
affbf647 GM	168	(switch-to-buffer test-buffer)
affbf647 GM	169	(delete-other-windows))
dace60cf JW	170	(eshell-for funcname (sort (all-completions "eshell-test--"
	171	obarray 'functionp)
	172	'string-lessp)
affbf647 GM	173	(with-current-buffer test-buffer
	174	(insert "\n"))
	175	(funcall (intern-soft funcname)))
	176	(with-current-buffer test-buffer
	177	(insert (format "\n\n--- %s --- (completed in %d seconds)\n"
	178	(current-time-string)
	179	(- (eshell-time-to-seconds (current-time))
	180	begin)))
	181	(message "Eshell test suite completed: %s failure%s"
	182	(if (> eshell-test-failures 0)
	183	(number-to-string eshell-test-failures)
	184	"No")
	185	(if (= eshell-test-failures 1) "" "s"))))
	186	(goto-char eshell-last-output-end)
	187	(unless arg
	188	(kill-buffer (current-buffer))))
	189
	190
	191	(defvar eshell-metric-before-command 0)
	192	(defvar eshell-metric-after-command 0)
	193
	194	(defun eshell-show-usage-metrics ()
	195	"If run at Eshell mode startup, metrics are shown after each command."
	196	(set (make-local-variable 'eshell-metric-before-command)
	197	(if (eq eshell-show-usage-metrics t)
	198	0
	199	(current-time)))
	200	(set (make-local-variable 'eshell-metric-after-command)
	201	(if (eq eshell-show-usage-metrics t)
	202	0
	203	(current-time)))
	204
affbf647 GM	205	(add-hook 'eshell-pre-command-hook
	206	(function
	207	(lambda ()
	208	(setq eshell-metric-before-command
	209	(if (eq eshell-show-usage-metrics t)
	210	(car (memory-use-counts))
	211	(current-time))))) nil t)
	212
affbf647 GM	213	(add-hook 'eshell-post-command-hook
	214	(function
	215	(lambda ()
	216	(setq eshell-metric-after-command
	217	(if (eq eshell-show-usage-metrics t)
	218	(car (memory-use-counts))
	219	(current-time)))
	220	(eshell-interactive-print
	221	(concat
	222	(int-to-string
	223	(if (eq eshell-show-usage-metrics t)
	224	(- eshell-metric-after-command
	225	eshell-metric-before-command 7)
	226	(- (eshell-time-to-seconds
	227	eshell-metric-after-command)
	228	(eshell-time-to-seconds
	229	eshell-metric-before-command))))
	230	"\n"))))
	231	nil t))
	232
00c3ec76 GM	233	(provide 'esh-test)
00c3ec76 GM	234
cbee283d	235	;; arch-tag: 6e32275a-8285-4a4e-b7cf-819aa7c86b8e
affbf647	236	;;; esh-test.el ends here