1 ;;; lunit.el --- simple testing framework for luna
3 ;; Copyright (C) 2000 Daiki Ueno.
5 ;; Author: Daiki Ueno <ueno@unixuser.org>
8 ;; This file is part of FLIM (Faithful Library about Internet Message).
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
15 ;; This program is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; This module is inspired by "JUnit A Cook's Tour".
28 ;; <URL:http://www.junit.org/junit/doc/cookstour/cookstour.htm>
32 ;; (luna-define-class silly-test-case (lunit-test-case))
34 ;; (luna-define-method silly-test-1 ((case silly-test-case))
35 ;; (lunit-assert (integerp "a")))
37 ;; (luna-define-method silly-test-2 ((case silly-test-case))
38 ;; (lunit-assert (stringp "b")))
41 ;; (lunit-make-test-suite
42 ;; (lunit-make-test-case 'silly-test-case 'silly-test-1)
43 ;; (lunit-make-test-case 'silly-test-case 'silly-test-2)))
44 ;; ______________________________________________________________________
45 ;; Starting test silly-test-1
46 ;; failure: (integerp "a")
47 ;; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
48 ;; ______________________________________________________________________
49 ;; Starting test silly-test-2
50 ;; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
51 ;; 2 total, 1 failures, 0 errors
57 (eval-when-compile (require 'cl))
63 (luna-define-class lunit-test ()
66 (luna-define-internal-accessors 'lunit-test))
68 (luna-define-generic lunit-test-number-of-tests (test)
69 "Count the number of test cases that will be run by the test.")
71 (luna-define-generic lunit-test-run (test result)
72 "Run the test and collects its result in result.")
74 (luna-define-generic lunit-test-suite-add-test (suite test)
75 "Add the test to the suite.")
80 (luna-define-class lunit-test-listener ())
82 (luna-define-generic lunit-test-listener-error (listener case error)
85 (luna-define-generic lunit-test-listener-failure (listener case failure)
86 "An failure occurred.")
88 (luna-define-generic lunit-test-listener-start (listener case)
91 (luna-define-generic lunit-test-listener-end (listener case)
97 (put 'lunit-error 'error-message "test error")
98 (put 'lunit-error 'error-conditions '(lunit-error error))
100 (put 'lunit-failure 'error-message "test failure")
101 (put 'lunit-failure 'error-conditions '(lunit-failure lunit-error error))
104 (luna-define-class lunit-test-result ()
109 (luna-define-internal-accessors 'lunit-test-result))
111 (luna-define-generic lunit-test-result-run (result case)
112 "Run the test case.")
114 (luna-define-generic lunit-test-result-error (result case error)
115 "Add error to the list of errors.
116 The passed in exception caused the error.")
118 (luna-define-generic lunit-test-result-failure (result case failure)
119 "Add failure to the list of failures.
120 The passed in exception caused the failure.")
122 (luna-define-generic lunit-test-result-add-listener (result listener)
123 "Add listener to the list of listeners.")
125 (defun lunit-make-test-result (&rest listeners)
126 "Return a newly allocated `lunit-test-result' instance with LISTENERS."
127 (luna-make-entity 'lunit-test-result :listeners listeners))
129 (luna-define-method lunit-test-result-run ((result lunit-test-result) case)
130 (let ((listeners (lunit-test-result-listeners-internal result)))
131 (dolist (listener listeners)
132 (lunit-test-listener-start listener case))
133 (condition-case error
134 (lunit-test-case-run case)
136 (lunit-test-result-failure result case (nth 1 error)))
138 (lunit-test-result-error result case (cdr error))))
139 (dolist (listener listeners)
140 (lunit-test-listener-end listener case))))
142 (luna-define-method lunit-test-result-error ((result lunit-test-result)
144 (let ((listeners (lunit-test-result-listeners-internal result))
145 (errors (lunit-test-result-errors-internal result)))
147 (nconc errors (list (cons case error)))
148 (lunit-test-result-set-errors-internal result (list (cons case error))))
149 (dolist (listener listeners)
150 (lunit-test-listener-error listener case error))))
152 (luna-define-method lunit-test-result-failure ((result lunit-test-result)
154 (let ((listeners (lunit-test-result-listeners-internal result))
155 (failures (lunit-test-result-failures-internal result)))
157 (nconc failures (list (cons case failure)))
158 (lunit-test-result-set-failures-internal result (list (cons case failure))))
159 (dolist (listener listeners)
160 (lunit-test-listener-failure listener case failure))))
162 (luna-define-method lunit-test-result-add-listener ((result lunit-test-result)
164 (let ((listeners (lunit-test-result-listeners-internal result)))
166 (nconc listeners (list listener))
167 (lunit-test-result-set-listeners-internal result (list listener)))))
172 (luna-define-class lunit-test-case (lunit-test))
174 (luna-define-generic lunit-test-case-run (case)
175 "Run the test case.")
177 (luna-define-generic lunit-test-case-setup (case)
178 "Setup the test case.")
180 (luna-define-generic lunit-test-case-teardown (case)
181 "Clear the test case.")
183 (defun lunit-make-test-case (class name)
184 "Return a newly allocated `lunit-test-case'.
185 CLASS is a symbol for class derived from `lunit-test-case'.
186 NAME is name of the method to be tested."
187 (luna-make-entity class :name name))
189 (luna-define-method lunit-test-number-of-tests ((case lunit-test-case))
192 (luna-define-method lunit-test-run ((case lunit-test-case) result)
193 (lunit-test-result-run result case))
195 (luna-define-method lunit-test-case-setup ((case lunit-test-case)))
196 (luna-define-method lunit-test-case-teardown ((case lunit-test-case)))
198 (luna-define-method lunit-test-case-run ((case lunit-test-case))
199 (lunit-test-case-setup case)
202 (lunit-test-name-internal case))
204 (luna-find-functions case name)))
206 (error "Method \"%S\" not found" name))
207 (condition-case error
208 (funcall (car functions) case)
210 (signal (car error)(cdr error)))
212 (signal 'lunit-error (cdr error)))))
213 (lunit-test-case-teardown case)))
219 (luna-define-class lunit-test-suite (lunit-test)
222 (luna-define-internal-accessors 'lunit-test-suite))
224 (defun lunit-make-test-suite (&rest tests)
225 "Return a newly allocated `lunit-test-suite' instance."
226 (luna-make-entity 'lunit-test-suite :tests tests))
228 (luna-define-method lunit-test-suite-add-test ((suite lunit-test-suite) test)
229 (let ((tests (lunit-test-suite-tests-internal suite)))
231 (nconc tests (list test))
232 (lunit-test-suite-set-tests-internal suite (list test)))))
234 (luna-define-method lunit-test-number-of-tests ((suite lunit-test-suite))
235 (let ((tests (lunit-test-suite-tests-internal suite))
238 (setq accu (+ accu (lunit-test-number-of-tests test))))
241 (luna-define-method lunit-test-run ((suite lunit-test-suite) result)
242 (let ((tests (lunit-test-suite-tests-internal suite)))
244 (lunit-test-run test result))))
249 (defmacro lunit-assert (condition-expr)
250 (let ((condition (eval condition-expr)))
252 (signal 'lunit-failure (list ',condition-expr)))))
254 (defvar lunit-test-results-buffer "*Lunit Results*")
256 (luna-define-class lunit-test-printer (lunit-test-listener))
258 (luna-define-method lunit-test-listener-error ((printer lunit-test-printer)
260 (princ (format "error: %S\n" error)))
262 (luna-define-method lunit-test-listener-failure ((printer lunit-test-printer)
264 (princ (format "failure: %S\n" failure)))
266 (luna-define-method lunit-test-listener-start ((printer lunit-test-printer) case)
268 ______________________________________________________________________
270 " (lunit-test-name-internal case))))
272 (luna-define-method lunit-test-listener-end ((printer lunit-test-printer) case)
274 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
278 "Run TEST and display the result."
280 (luna-make-entity 'lunit-test-printer))
282 (lunit-make-test-result printer))
285 (with-output-to-temp-buffer lunit-test-results-buffer
286 (lunit-test-run test result)
287 (setq failures (lunit-test-result-failures-internal result)
288 errors (lunit-test-result-errors-internal result))
289 (princ (format "%d runs, %d failures, %d errors"
290 (lunit-test-number-of-tests test)
297 ;;; lunit.el ends here