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;; Copyright (C) 2000 Daiki Ueno.
;; Author: Daiki Ueno <ueno@unixuser.org>
;; Keywords: OOP, XP
;; This file is part of FLIM (Faithful Library about Internet Message).
;; This program 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 2, or (at
;; your option) any later version.
;; This program 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; This module is inspired by "JUnit A Cook's Tour".
;; <URL:http://www.junit.org/junit/doc/cookstour/cookstour.htm>
;; (require 'lunit)
;;
;; (luna-define-class silly-test-case (lunit-test-case))
;;
;; (luna-define-method test-1 ((case silly-test-case))
;; (lunit-assert (integerp "a")))
;;
;; (luna-define-method test-2 ((case silly-test-case))
;; (lunit-assert (stringp "b")))
;;
;; (with-output-to-temp-buffer "*Lunit Results*"
;; (lunit (lunit-make-test-suite-from-class 'silly-test-case)))
;; ______________________________________________________________________
;; Starting test `silly-test-case#test-1'
;; failure: (integerp "a")
;; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
;; ______________________________________________________________________
;; Starting test `silly-test-case#test-2'
;; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
;; 2 runs, 1 failures, 0 errors
;;; Code:
(require 'luna)
(eval-when-compile (require 'cl))
;;; @ test
;;;
(eval-and-compile
(luna-define-class lunit-test ()
(name))
(luna-define-internal-accessors 'lunit-test))
(luna-define-generic lunit-test-number-of-tests (test)
"Count the number of test cases that will be run by the test.")
(luna-define-generic lunit-test-run (test result)
"Run the test and collects its result in result.")
(luna-define-generic lunit-test-suite-add-test (suite test)
"Add the test to the suite.")
;;; @ test listener
;;;
(luna-define-class lunit-test-listener)
;;; @ test result
;;;
(put 'lunit-error 'error-message "test error")
(put 'lunit-error 'error-conditions '(lunit-error error))
(put 'lunit-failure 'error-message "test failure")
(put 'lunit-failure 'error-conditions '(lunit-failure lunit-error error))
(eval-and-compile
(luna-define-class lunit-test-result ()
(errors
failures
listeners))
(luna-define-internal-accessors 'lunit-test-result))
(luna-define-generic lunit-test-result-run (result case)
"Run the test case.")
(luna-define-generic lunit-test-result-notify (result message &rest args)
"Report the current state of execution.")
(luna-define-generic lunit-test-result-error (result case error)
"Add error to the list of errors.
The passed in exception caused the error.")
(luna-define-generic lunit-test-result-failure (result case failure)
"Add failure to the list of failures.
The passed in exception caused the failure.")
(luna-define-generic lunit-test-result-add-listener (result listener)
"Add listener to the list of listeners.")
(defun lunit-make-test-result (&rest listeners)
"Return a newly allocated `lunit-test-result' instance with LISTENERS."
(luna-make-entity 'lunit-test-result :listeners listeners))
(luna-define-method lunit-test-result-notify ((result lunit-test-result)
message args)
(let ((listeners
(lunit-test-result-listeners-internal result)))
(dolist (listener listeners)
(apply #'luna-send listener message listener args))))
(luna-define-method lunit-test-result-run ((result lunit-test-result) case)
(lunit-test-result-notify result 'lunit-test-listener-start case)
(condition-case error
(lunit-test-case-run case)
(lunit-failure
(lunit-test-result-failure result case (nth 1 error)))
(lunit-error
(lunit-test-result-error result case (cdr error))))
(lunit-test-result-notify result 'lunit-test-listener-end case))
(luna-define-method lunit-test-result-error ((result lunit-test-result)
case error)
(let ((errors
(lunit-test-result-errors-internal result)))
(setq errors (nconc errors (list (cons case error))))
(lunit-test-result-set-errors-internal result errors))
(lunit-test-result-notify result 'lunit-test-listener-error case error))
(luna-define-method lunit-test-result-failure ((result lunit-test-result)
case failure)
(let ((failures
(lunit-test-result-failures-internal result)))
(setq failures (nconc failures (list (cons case failure))))
(lunit-test-result-set-failures-internal result failures))
(lunit-test-result-notify result 'lunit-test-listener-failure case failure))
(luna-define-method lunit-test-result-add-listener ((result lunit-test-result)
listener)
(let ((listeners
(lunit-test-result-listeners-internal result)))
(setq listeners (nconc listeners (list listener)))
(lunit-test-result-set-listeners-internal result listeners)))
;;; @ test case
;;;
(luna-define-class lunit-test-case (lunit-test))
(luna-define-generic lunit-test-case-run (case)
"Run the test case.")
(luna-define-generic lunit-test-case-setup (case)
"Setup the test case.")
(luna-define-generic lunit-test-case-teardown (case)
"Clear the test case.")
(defun lunit-make-test-case (class name)
"Return a newly allocated `lunit-test-case'.
CLASS is a symbol for class derived from `lunit-test-case'.
NAME is name of the method to be tested."
(luna-make-entity class :name name))
(luna-define-method lunit-test-number-of-tests ((case lunit-test-case))
1)
(luna-define-method lunit-test-run ((case lunit-test-case) result)
(lunit-test-result-run result case))
(luna-define-method lunit-test-case-setup ((case lunit-test-case)))
(luna-define-method lunit-test-case-teardown ((case lunit-test-case)))
(luna-define-method lunit-test-case-run ((case lunit-test-case))
(lunit-test-case-setup case)
(unwind-protect
(let* ((name
(lunit-test-name-internal case))
(functions
(luna-find-functions case name)))
(unless functions
(error "Method \"%S\" not found" name))
(condition-case error
(funcall (car functions) case)
(lunit-failure
(signal (car error)(cdr error)))
(error
(signal 'lunit-error error))))
(lunit-test-case-teardown case)))
;;; @ test suite
;;;
(eval-and-compile
(luna-define-class lunit-test-suite (lunit-test)
(tests))
(luna-define-internal-accessors 'lunit-test-suite))
(defun lunit-make-test-suite (&rest tests)
"Return a newly allocated `lunit-test-suite' instance.
TESTS holds a number of instances of `lunit-test'."
(luna-make-entity 'lunit-test-suite :tests tests))
(luna-define-method lunit-test-suite-add-test ((suite lunit-test-suite) test)
(let ((tests (lunit-test-suite-tests-internal suite)))
(lunit-test-suite-set-tests-internal suite (nconc tests (list test)))))
(luna-define-method lunit-test-number-of-tests ((suite lunit-test-suite))
(let ((tests (lunit-test-suite-tests-internal suite))
(accu 0))
(dolist (test tests)
(setq accu (+ accu (lunit-test-number-of-tests test))))
accu))
(luna-define-method lunit-test-run ((suite lunit-test-suite) result)
(let ((tests (lunit-test-suite-tests-internal suite)))
(dolist (test tests)
(lunit-test-run test result))))
;;; @ test runner
;;;
(defmacro lunit-assert (condition-expr)
"Verify that CONDITION-EXPR returns non-nil; signal an error if not."
(let ((condition (eval condition-expr)))
`(when ,(not condition)
(signal 'lunit-failure (list ',condition-expr)))))
(luna-define-class lunit-test-printer (lunit-test-listener))
(luna-define-method lunit-test-listener-error ((printer lunit-test-printer)
case error)
(princ (format " error: %S" error)))
(luna-define-method lunit-test-listener-failure ((printer lunit-test-printer)
case failure)
(princ (format " failure: %S" failure)))
(luna-define-method lunit-test-listener-start ((printer lunit-test-printer)
case)
(princ (format "Running `%S#%S'..."
(luna-class-name case)
(lunit-test-name-internal case))))
(luna-define-method lunit-test-listener-end ((printer lunit-test-printer) case)
(princ "\n"))
(defun lunit-make-test-suite-from-class (class)
"Make a test suite from all test methods of the CLASS."
(let (tests)
(mapatoms
(lambda (symbol)
(if (and (fboundp symbol)
(string-match "^test" (symbol-name symbol))
(null (get symbol 'luna-method-qualifier)))
(push (lunit-make-test-case class symbol) tests)))
(luna-class-obarray (luna-find-class class)))
(apply #'lunit-make-test-suite tests)))
(defun lunit (test)
"Run TEST and display the result."
(let* ((printer
(luna-make-entity 'lunit-test-printer))
(result
(lunit-make-test-result printer)))
(lunit-test-run test result)
(let ((failures
(lunit-test-result-failures-internal result))
(errors
(lunit-test-result-errors-internal result)))
(princ (format "%d runs, %d failures, %d errors\n"
(lunit-test-number-of-tests test)
(length failures)
(length errors))))))
(defvar imenu-create-index-function)
(defun lunit-create-index-function ()
(require 'imenu)
(save-excursion
(unwind-protect
(progn
(goto-char (point-min))
(setq imenu-generic-expression
'((nil "^\\s-*(def\\(un\\|subst\\|macro\\)\\s-+\\([-A-Za-z0-9+*|:]+\\)" 2)))
(funcall imenu-create-index-function))
(setq imenu-create-index-function lisp-imenu-generic-expression))))
(defun lunit-generate-template (file)
(interactive "fGenerate lunit template for: ")
(save-excursion
(set-buffer (find-file-noselect file))
(let ((index-alist
(lunit-create-index-function)))
(with-output-to-temp-buffer "*Lunit template*"
(let* ((feature
(file-name-sans-extension
(file-name-nondirectory file)))
(class
(concat "test-" feature)))
(set-buffer standard-output)
(insert "\
\(require 'lunit)
\(require '" feature ")
\(luna-define-class " class " (lunit-test-case))
")
(dolist (index index-alist)
(insert "\
\(luna-define-method " class "-" (car index) " ((case " class "))
(lunit-assert nil))
")))))))
(provide 'lunit)
;;; lunit.el ends here
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