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@Lifelovinglight
Created November 16, 2017 18:35
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;-*-syntax:COMMON-LISP;Package:(RT :use "COMMON-LISP" :colon-mode :external)-*-
#|----------------------------------------------------------------------------|
| Copyright 1990 by the Massachusetts Institute of Technology, Cambridge MA. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that this copyright and permission notice appear in all copies and |
| supporting documentation, and that the name of M.I.T. not be used in |
| advertising or publicity pertaining to distribution of the software |
| without specific, written prior permission. M.I.T. makes no |
| representations about the suitability of this software for any purpose. |
| It is provided "as is" without express or implied warranty. |
| |
| M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| SOFTWARE. |
|----------------------------------------------------------------------------|#
;This is the December 19, 1990 version of the regression tester.
(in-package "RT" :use '("LISP"))
(provide "RT")
(export
'(deftest get-test do-test rem-test
rem-all-tests do-tests pending-tests
continue-testing *test*
*do-tests-when-defined*))
(defvar *test* nil "Current test name")
(defvar *do-tests-when-defined* nil)
(defvar *entries* '(nil) "Test database")
(defvar *in-test* nil "Used by TEST")
(defvar *debug* nil "For debugging")
(defstruct (entry (:conc-name nil)
(:type list))
pend name form)
(defmacro vals (entry) `(cdddr ,entry))
(defmacro defn (entry) `(cdr ,entry))
(defun pending-tests ()
(do ((l (cdr *entries*) (cdr l))
(r nil))
((null l) (nreverse r))
(when (pend (car l))
(push (name (car l)) r))))
(defun rem-all-tests ()
(setq *entries* (list nil))
nil)
(defun rem-test (&optional (name *test*))
(do ((l *entries* (cdr l)))
((null (cdr l)) nil)
(when (equal (name (cadr l)) name)
(setf (cdr l) (cddr l))
(return name))))
(defun get-test (&optional (name *test*))
(defn (get-entry name)))
(defun get-entry (name)
(let ((entry (find name (cdr *entries*)
:key #'name
:test #'equal)))
(when (null entry)
(report-error t
"~%No test with name ~:@(~S~)."
name))
entry))
(defmacro deftest (name form &rest values)
`(add-entry '(t ,name ,form .,values)))
(defun add-entry (entry)
(setq entry (copy-list entry))
(do ((l *entries* (cdr l))) (nil)
(when (null (cdr l))
(setf (cdr l) (list entry))
(return nil))
(when (equal (name (cadr l))
(name entry))
(setf (cadr l) entry)
(report-error nil
"Redefining test ~@:(~S~)"
(name entry))
(return nil)))
(when *do-tests-when-defined*
(do-entry entry))
(setq *test* (name entry)))
(defun report-error (error? &rest args)
(cond (*debug*
(apply #'format t args)
(if error? (throw '*debug* nil)))
(error? (apply #'error args))
(t (apply #'warn args))))
(defun do-test (&optional (name *test*))
(do-entry (get-entry name)))
(defun do-entry (entry &optional
(s *standard-output*))
(catch '*in-test*
(setq *test* (name entry))
(setf (pend entry) t)
(let* ((*in-test* t)
(*break-on-warnings* t)
(r (multiple-value-list
(eval (form entry)))))
(setf (pend entry)
(not (equal r (vals entry))))
(when (pend entry)
(format s "~&Test ~:@(~S~) failed~
~%Form: ~S~
~%Expected value~P: ~
~{~S~^~%~17t~}~
~%Actual value~P: ~
~{~S~^~%~15t~}.~%"
*test* (form entry)
(length (vals entry))
(vals entry)
(length r) r))))
(when (not (pend entry)) *test*))
(defun continue-testing ()
(if *in-test*
(throw '*in-test* nil)
(do-entries *standard-output*)))
(defun do-tests (&optional
(out *standard-output*))
(dolist (entry (cdr *entries*))
(setf (pend entry) t))
(if (streamp out)
(do-entries out)
(with-open-file
(stream out :direction :output)
(do-entries stream))))
(defun do-entries (s)
(format s "~&Doing ~A pending test~:P ~
of ~A tests total.~%"
(count t (cdr *entries*)
:key #'pend)
(length (cdr *entries*)))
(dolist (entry (cdr *entries*))
(when (pend entry)
(format s "~@[~<~%~:; ~:@(~S~)~>~]"
(do-entry entry s))))
(let ((pending (pending-tests)))
(if (null pending)
(format s "~&No tests failed.")
(format s "~&~A out of ~A ~
total tests failed: ~
~:@(~{~<~% ~1:;~S~>~
~^, ~}~)."
(length pending)
(length (cdr *entries*))
pending))
(null pending)))
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