+;; ptester.lisp
+;; A test harness based on Franz's tester module
+;;
+;; copyright (c) 1985-1986 Franz Inc, Alameda, CA
+;; copyright (c) 1986-2002 Franz Inc, Berkeley, CA - All rights reserved.
+;; copyright (c) 2001-2003 Kevin Rosenberg (portability changes)
+;;
+;; This code is free software; you can redistribute it and/or
+;; modify it under the terms of the version 2.1 of
+;; the GNU Lesser General Public License as published by
+;; the Free Software Foundation, as clarified by the Franz
+;; preamble to the LGPL found in
+;; http://opensource.franz.com/preamble.html.
+;;
+;; This code 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
+;; Lesser General Public License for more details.
+;;
+;; Version 2.1 of the GNU Lesser General Public License can be
+;; found at http://opensource.franz.com/license.html.
+;; If it is not present, you can access it from
+;; http://www.gnu.org/copyleft/lesser.txt (until superseded by a newer
+;; version) or write to the Free Software Foundation, Inc., 59 Temple
+;; Place, Suite 330, Boston, MA 02111-1307 USA
+;;
+;;;; from the original ACL 6.1 sources:
+;; Id: tester.cl,v 2.2.12.1 2001/06/05 18:45:10 layer Exp
+
+;; $Id: src.lisp,v 1.1 2003/07/20 18:10:22 kevin Exp $
+
+(defpackage #:ptester
+ (:use #:cl)
+ (:shadow #:test)
+ (:export
+;;;; Control variables:
+ #:*break-on-test-failures*
+ #:*error-protect-tests*
+ #:*test-errors*
+ #:*test-successes*
+ #:*test-unexpected-failures*
+
+;;;; The test macros:
+ #:test
+ #:test-error
+ #:test-no-error
+ #:test-warning
+ #:test-no-warning
+
+ #:with-tests
+ ))
+
+(in-package #:ptester)
+
+;; Added by Kevin Rosenberg
+
+(define-condition simple-break (error simple-condition) ())
+
+#+cmu
+(unless (find-class 'break nil)
+ (define-condition break (simple-condition) ()))
+
+;; the if* macro used in Allegro:
+;;
+;; This is in the public domain... please feel free to put this definition
+;; in your code or distribute it with your version of lisp.
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defvar if*-keyword-list '("then" "thenret" "else" "elseif")))
+
+(defmacro if* (&rest args)
+ (do ((xx (reverse args) (cdr xx))
+ (state :init)
+ (elseseen nil)
+ (totalcol nil)
+ (lookat nil nil)
+ (col nil))
+ ((null xx)
+ (cond ((eq state :compl)
+ `(cond ,@totalcol))
+ (t (error "if*: illegal form ~s" args))))
+ (cond ((and (symbolp (car xx))
+ (member (symbol-name (car xx))
+ if*-keyword-list
+ :test #'string-equal))
+ (setq lookat (symbol-name (car xx)))))
+
+ (cond ((eq state :init)
+ (cond (lookat (cond ((string-equal lookat "thenret")
+ (setq col nil
+ state :then))
+ (t (error
+ "if*: bad keyword ~a" lookat))))
+ (t (setq state :col
+ col nil)
+ (push (car xx) col))))
+ ((eq state :col)
+ (cond (lookat
+ (cond ((string-equal lookat "else")
+ (cond (elseseen
+ (error
+ "if*: multiples elses")))
+ (setq elseseen t)
+ (setq state :init)
+ (push `(t ,@col) totalcol))
+ ((string-equal lookat "then")
+ (setq state :then))
+ (t (error "if*: bad keyword ~s"
+ lookat))))
+ (t (push (car xx) col))))
+ ((eq state :then)
+ (cond (lookat
+ (error
+ "if*: keyword ~s at the wrong place " (car xx)))
+ (t (setq state :compl)
+ (push `(,(car xx) ,@col) totalcol))))
+ ((eq state :compl)
+ (cond ((not (string-equal lookat "elseif"))
+ (error "if*: missing elseif clause ")))
+ (setq state :init)))))
+
+
+(defvar *break-on-test-failures* nil
+ "When a test failure occurs, common-lisp:break is called, allowing
+interactive debugging of the failure.")
+
+(defvar *test-errors* 0
+ "The value is the number of test errors which have occurred.")
+(defvar *test-successes* 0
+ "The value is the number of test successes which have occurred.")
+(defvar *test-unexpected-failures* 0
+ "The value is the number of unexpected test failures which have occurred.")
+
+(defvar *error-protect-tests* nil
+ "Protect each test from errors. If an error occurs, then that will be
+taken as a test failure unless test-error is being used.")
+
+(defmacro test-values-errorset (form &optional announce catch-breaks)
+ ;; internal macro
+ (let ((g-announce (gensym))
+ (g-catch-breaks (gensym)))
+ `(let* ((,g-announce ,announce)
+ (,g-catch-breaks ,catch-breaks))
+ (handler-case (cons t (multiple-value-list ,form))
+ (condition (condition)
+ (if* (and (null ,g-catch-breaks)
+ (typep condition 'simple-break))
+ then (break condition)
+ elseif ,g-announce
+ then (format *error-output* "~&Condition type: ~a~%"
+ (class-of condition))
+ (format *error-output* "~&Message: ~a~%" condition))
+ condition)))))
+
+(defmacro test-values (form &optional announce catch-breaks)
+ ;; internal macro
+ (if* *error-protect-tests*
+ then `(test-values-errorset ,form ,announce ,catch-breaks)
+ else `(cons t (multiple-value-list ,form))))
+
+(defmacro test (expected-value test-form
+ &key (test #'eql test-given)
+ (multiple-values nil multiple-values-given)
+ (fail-info nil fail-info-given)
+ (known-failure nil known-failure-given)
+
+;;;;;;;;;; internal, undocumented keywords:
+;;;; Note about these keywords: if they were documented, we'd have a
+;;;; problem, since they break the left-to-right order of evaluation.
+;;;; Specifically, errorset breaks it, and I don't see any way around
+;;;; that. `errorset' is used by the old test.cl module (eg,
+;;;; test-equal-errorset).
+ errorset
+ reported-form
+ (wanted-message nil wanted-message-given)
+ (got-message nil got-message-given))
+ "Perform a single test. `expected-value' is the reference value for the
+test. `test-form' is a form that will produce the value to be compared to
+the expected-value. If the values are not the same, then an error is
+logged, otherwise a success is logged.
+
+Normally the comparison of values is done with `eql'. The `test' keyword
+argument can be used to specify other comparison functions, such as eq,
+equal,equalp, string=, string-equal, etc.
+
+Normally, only the first return value from the test-form is considered,
+however if `multiple-values' is t, then all values returned from test-form
+are considered.
+
+`fail-info' allows more information to be printed with a test failure.
+
+`known-failure' marks the test as a known failure. This allows for
+programs that do regression analysis on the output from a test run to
+discriminate on new versus known failures."
+ `(test-check
+ :expected-result ,expected-value
+ :test-results
+ (,(if errorset 'test-values-errorset 'test-values) ,test-form t)
+ ,@(when test-given `(:predicate ,test))
+ ,@(when multiple-values-given `(:multiple-values ,multiple-values))
+ ,@(when fail-info-given `(:fail-info ,fail-info))
+ ,@(when known-failure-given `(:known-failure ,known-failure))
+ :test-form ',(if reported-form reported-form test-form)
+ ,@(when wanted-message-given `(:wanted-message ,wanted-message))
+ ,@(when got-message-given `(:got-message ,got-message))))
+
+(defmethod conditionp ((thing condition)) t)
+(defmethod conditionp ((thing t)) nil)
+
+(defmacro test-error (form &key announce
+ catch-breaks
+ (fail-info nil fail-info-given)
+ (known-failure nil known-failure-given)
+ (condition-type ''simple-error)
+ (include-subtypes nil include-subtypes-given)
+ (format-control nil format-control-given)
+ (format-arguments nil format-arguments-given))
+ "Test that `form' signals an error. The order of evaluation of the
+arguments is keywords first, then test form.
+
+If `announce' is non-nil, then cause the error message to be printed.
+
+The `catch-breaks' is non-nil then consider a call to common-lisp:break an
+`error'.
+
+`fail-info' allows more information to be printed with a test failure.
+
+`known-failure' marks the test as a known failure. This allows for
+programs that do regression analysis on the output from a test run to
+discriminate on new versus known failures.
+
+If `condition-type' is non-nil, it should be a symbol naming a condition
+type, which is used to check against the signalled condition type. The
+test will fail if they do not match.
+
+`include-subtypes', used with `condition-type', can be used to match a
+condition to an entire subclass of the condition type hierarchy.
+
+`format-control' and `format-arguments' can be used to check the error
+message itself."
+ (let ((g-announce (gensym))
+ (g-catch-breaks (gensym))
+ (g-fail-info (gensym))
+ (g-known-failure (gensym))
+ (g-condition-type (gensym))
+ (g-include-subtypes (gensym))
+ (g-format-control (gensym))
+ (g-format-arguments (gensym))
+ (g-c (gensym)))
+ `(let* ((,g-announce ,announce)
+ (,g-catch-breaks ,catch-breaks)
+ ,@(when fail-info-given `((,g-fail-info ,fail-info)))
+ ,@(when known-failure-given `((,g-known-failure ,known-failure)))
+ (,g-condition-type ,condition-type)
+ ,@(when include-subtypes-given
+ `((,g-include-subtypes ,include-subtypes)))
+ ,@(when format-control-given
+ `((,g-format-control ,format-control)))
+ ,@(when format-arguments-given
+ `((,g-format-arguments ,format-arguments)))
+ (,g-c (test-values-errorset ,form ,g-announce ,g-catch-breaks)))
+ (test-check
+ :predicate #'eq
+ :expected-result t
+ :test-results
+ (test-values (and (conditionp ,g-c)
+ ,@(if* include-subtypes-given
+ then `((if* ,g-include-subtypes
+ then (typep ,g-c ,g-condition-type)
+ else (eq (class-of ,g-c)
+ (find-class
+ ,g-condition-type))))
+ else `((eq (class-of ,g-c)
+ (find-class ,g-condition-type))))
+ ,@(when format-control-given
+ `((or
+ (null ,g-format-control)
+ (string=
+ (concatenate 'simple-string
+ "~1@<" ,g-format-control "~:@>")
+ (simple-condition-format-control ,g-c)))))
+ ,@(when format-arguments-given
+ `((or
+ (null ,g-format-arguments)
+ (equal
+ ,g-format-arguments
+ (simple-condition-format-arguments ,g-c))))))
+ t)
+ :test-form ',form
+ ,@(when fail-info-given `(:fail-info ,g-fail-info))
+ ,@(when known-failure-given `(:known-failure ,g-known-failure))
+ :condition-type ,g-condition-type
+ :condition ,g-c
+ ,@(when include-subtypes-given
+ `(:include-subtypes ,g-include-subtypes))
+ ,@(when format-control-given
+ `(:format-control ,g-format-control))
+ ,@(when format-arguments-given
+ `(:format-arguments ,g-format-arguments))))))
+
+(defmacro test-no-error (form &key announce
+ catch-breaks
+ (fail-info nil fail-info-given)
+ (known-failure nil known-failure-given))
+ "Test that `form' does not signal an error. The order of evaluation of
+the arguments is keywords first, then test form.
+
+If `announce' is non-nil, then cause the error message to be printed.
+
+The `catch-breaks' is non-nil then consider a call to common-lisp:break an
+`error'.
+
+`fail-info' allows more information to be printed with a test failure.
+
+`known-failure' marks the test as a known failure. This allows for
+programs that do regression analysis on the output from a test run to
+discriminate on new versus known failures."
+ (let ((g-announce (gensym))
+ (g-catch-breaks (gensym))
+ (g-fail-info (gensym))
+ (g-known-failure (gensym))
+ (g-c (gensym)))
+ `(let* ((,g-announce ,announce)
+ (,g-catch-breaks ,catch-breaks)
+ ,@(when fail-info-given `((,g-fail-info ,fail-info)))
+ ,@(when known-failure-given `((,g-known-failure ,known-failure)))
+ (,g-c (test-values-errorset ,form ,g-announce ,g-catch-breaks)))
+ (test-check
+ :predicate #'eq
+ :expected-result t
+ :test-results (test-values (not (conditionp ,g-c)))
+ :test-form ',form
+ :condition ,g-c
+ ,@(when fail-info-given `(:fail-info ,g-fail-info))
+ ,@(when known-failure-given `(:known-failure ,g-known-failure))))))
+
+(defvar *warn-cookie* (cons nil nil))
+
+(defmacro test-warning (form &key fail-info known-failure)
+ "Test that `form' signals a warning. The order of evaluation of
+the arguments is keywords first, then test form.
+
+`fail-info' allows more information to be printed with a test failure.
+
+`known-failure' marks the test as a known failure. This allows for
+programs that do regression analysis on the output from a test run to
+discriminate on new versus known failures."
+ (let ((g-fail-info (gensym))
+ (g-known-failure (gensym))
+ (g-value (gensym)))
+ `(let* ((,g-fail-info ,fail-info)
+ (,g-known-failure ,known-failure)
+ (,g-value (test-values-errorset ,form nil t)))
+ (test
+ *warn-cookie*
+ (if* (or (typep ,g-value 'simple-warning) (typep ,g-value 'warning))
+ then *warn-cookie*
+ else ;; test produced no warning
+ nil)
+ :test #'eq
+ :reported-form ,form ;; quoted by test macro
+ :wanted-message "a warning"
+ :got-message "no warning"
+ :fail-info ,g-fail-info
+ :known-failure ,g-known-failure))))
+
+(defmacro test-no-warning (form &key fail-info known-failure)
+ "Test that `form' does not signal a warning. The order of evaluation of
+the arguments is keywords first, then test form.
+
+`fail-info' allows more information to be printed with a test failure.
+
+`known-failure' marks the test as a known failure. This allows for
+programs that do regression analysis on the output from a test run to
+discriminate on new versus known failures."
+ (let ((g-fail-info (gensym))
+ (g-known-failure (gensym))
+ (g-value (gensym)))
+ `(let* ((,g-fail-info ,fail-info)
+ (,g-known-failure ,known-failure)
+ (,g-value (test-values-errorset ,form nil t)))
+ (test
+ *warn-cookie*
+ (if* (or (typep ,g-value 'simple-warning) (typep ,g-value 'warning))
+ then nil ;; test produced warning
+ else *warn-cookie*)
+ :test #'eq
+ :reported-form ',form
+ :wanted-message "no warning"
+ :got-message "a warning"
+ :fail-info ,g-fail-info
+ :known-failure ,g-known-failure))))
+
+(defvar *announce-test* nil) ;; if true announce each test that was done
+
+(defmacro errorset (form) ;subset of test-values-errorset
+ `(handler-case
+ (values-list (cons t (multiple-value-list ,form)))
+ (error (cond)
+ (format *error-output* "~&An error occurred: ~a~%" cond)
+ nil)))
+
+
+(defun test-check (&key (predicate #'eql)
+ expected-result test-results test-form
+ multiple-values fail-info known-failure
+ wanted-message got-message condition-type condition
+ include-subtypes format-control format-arguments
+ &aux fail predicate-failed got wanted)
+ ;; for debugging large/complex test sets:
+ (when *announce-test*
+ (format t "Just did test ~s~%" test-form)
+ (force-output))
+
+ ;; this is an internal function
+ (flet ((check (expected-result result)
+ (let* ((results
+ (multiple-value-list
+ (errorset (funcall predicate expected-result result))))
+ (failed (null (car results))))
+ (if failed
+ (progn
+ (setq predicate-failed t)
+ nil)
+ (cadr results)))))
+ (when (conditionp test-results)
+ (setq condition test-results)
+ (setq test-results nil))
+ (when (null (car test-results))
+ (setq fail t))
+ (if* (and (not fail) (not multiple-values))
+ then ;; should be a single result
+ ;; expected-result is the single result wanted
+ (when (not (and (cdr test-results)
+ (check expected-result (cadr test-results))))
+ (setq fail t))
+ (when (and (not fail) (cddr test-results))
+ (setq fail 'single-got-multiple))
+ else ;; multiple results wanted
+ ;; expected-result is a list of results, each of which
+ ;; should be checked against the corresponding test-results
+ ;; using the predicate
+ (do ((got (cdr test-results) (cdr got))
+ (want expected-result (cdr want)))
+ ((or (null got) (null want))
+ (when (not (and (null want) (null got)))
+ (setq fail t)))
+ (when (not (check (car got) (car want)))
+ (return (setq fail t)))))
+ (if* fail
+ then (when (not known-failure)
+ (format *error-output*
+ "~& * * * UNEXPECTED TEST FAILURE * * *~%")
+ (incf *test-unexpected-failures*))
+ (format *error-output* "~&Test failed: ~@[known failure: ~*~]~s~%"
+ known-failure test-form)
+ (if* (eq 'single-got-multiple fail)
+ then (format
+ *error-output*
+ "~
+Reason: additional value were returned from test form.~%")
+ elseif predicate-failed
+ then (format *error-output* "Reason: predicate error.~%")
+ elseif (null (car test-results))
+ then (format *error-output* "~
+Reason: an error~@[ (of type `~s')~] was detected.~%"
+ (when condition (class-of condition)))
+ elseif condition
+ then (if* (not (conditionp condition))
+ then (format *error-output* "~
+Reason: expected but did not detect an error of type `~s'.~%"
+ condition-type)
+ elseif (null condition-type)
+ then (format *error-output* "~
+Reason: detected an unexpected error of type `~s':
+ ~a.~%"
+ (class-of condition)
+ condition)
+ elseif (not (if* include-subtypes
+ then (typep condition condition-type)
+ else (eq (class-of condition)
+ (find-class condition-type))))
+ then (format *error-output* "~
+Reason: detected an incorrect condition type.~%")
+ (format *error-output*
+ " wanted: ~s~%" condition-type)
+ (format *error-output*
+ " got: ~s~%" (class-of condition))
+ elseif (and format-control
+ (not (string=
+ (setq got
+ (concatenate 'simple-string
+ "~1@<" format-control "~:@>"))
+ (setq wanted
+ (simple-condition-format-control
+ condition)))))
+ then ;; format control doesn't match
+ (format *error-output* "~
+Reason: the format-control was incorrect.~%")
+ (format *error-output* " wanted: ~s~%" wanted)
+ (format *error-output* " got: ~s~%" got)
+ elseif (and format-arguments
+ (not (equal
+ (setq got format-arguments)
+ (setq wanted
+ (simple-condition-format-arguments
+ condition)))))
+ then (format *error-output* "~
+Reason: the format-arguments were incorrect.~%")
+ (format *error-output* " wanted: ~s~%" wanted)
+ (format *error-output* " got: ~s~%" got)
+ else ;; what else????
+ (error "internal-error"))
+ else (let ((*print-length* 50)
+ (*print-level* 10))
+ (if* wanted-message
+ then (format *error-output*
+ " wanted: ~a~%" wanted-message)
+ else (if* (not multiple-values)
+ then (format *error-output*
+ " wanted: ~s~%"
+ expected-result)
+ else (format
+ *error-output*
+ " wanted values: ~{~s~^, ~}~%"
+ expected-result)))
+ (if* got-message
+ then (format *error-output*
+ " got: ~a~%" got-message)
+ else (if* (not multiple-values)
+ then (format *error-output* " got: ~s~%"
+ (second test-results))
+ else (format
+ *error-output*
+ " got values: ~{~s~^, ~}~%"
+ (cdr test-results))))))
+ (when fail-info
+ (format *error-output* "Additional info: ~a~%" fail-info))
+ (incf *test-errors*)
+ (when *break-on-test-failures*
+ (break "~a is non-nil." '*break-on-test-failures*))
+ else (when known-failure
+ (format *error-output*
+ "~&Expected test failure for ~s did not occur.~%"
+ test-form)
+ (when fail-info
+ (format *error-output* "Additional info: ~a~%" fail-info))
+ (setq fail t))
+ (incf *test-successes*))
+ (not fail)))
+
+(defmacro with-tests ((&key (name "unnamed")) &body body)
+ (let ((g-name (gensym)))
+ `(flet ((doit () ,@body))
+ (let ((,g-name ,name)
+ (*test-errors* 0)
+ (*test-successes* 0)
+ (*test-unexpected-failures* 0))
+ (format *error-output* "Begin ~a test~%" ,g-name)
+ (if* *break-on-test-failures*
+ then (doit)
+ else (handler-case (doit)
+ (error (c)
+ (format
+ *error-output*
+ "~
+~&Test ~a aborted by signalling an uncaught error:~%~a~%"
+ ,g-name c))))
+ #+allegro
+ (let ((state (sys:gsgc-switch :print)))
+ (setf (sys:gsgc-switch :print) nil)
+ (format t "~&**********************************~%")
+ (format t "End ~a test~%" ,g-name)
+ (format t "Errors detected in this test: ~s " *test-errors*)
+ (unless (zerop *test-unexpected-failures*)
+ (format t "UNEXPECTED: ~s" *test-unexpected-failures*))
+ (format t "~%Successes this test:~s~%" *test-successes*)
+ (setf (sys:gsgc-switch :print) state))
+ #-allegro
+ (progn
+ (format t "~&**********************************~%")
+ (format t "End ~a test~%" ,g-name)
+ (format t "Errors detected in this test: ~D " *test-errors*)
+ (unless (zerop *test-unexpected-failures*)
+ (format t "UNEXPECTED: ~D" *test-unexpected-failures*))
+ (format t "~%Successes this test:~D~%" *test-successes*))))))
+
+(provide :tester #+module-versions 1.1)
projects / ptester.git / commitdiff