racket/collects/rackunit/private/util.rkt
Ryan Culpepper 3b707c1e54 rackunit: fix require/expose to work on variable-like macros
(eg struct names, names w/ contracts, etc)
2011-07-07 14:00:22 -06:00

75 lines
2.4 KiB
Racket

;;;
;;; Time-stamp: <2008-07-28 12:51:11 nhw>
;;;
;;; Copyright (C) 2004 by Noel Welsh.
;;;
;;; This library is free software; you can redistribute it
;;; and/or modify it under the terms of the GNU Lesser
;;; General Public License as published by the Free Software
;;; Foundation; either version 2.1 of the License, or (at
;;; your option) any later version.
;;; Web testingis 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.
;;; You should have received a copy of the GNU Lesser
;;; General Public License along with Web testing; if not,
;;; write to the Free Software Foundation, Inc., 59 Temple
;;; Place, Suite 330, Boston, MA 02111-1307 USA
;;; Author: Noel Welsh <noelwelsh@yahoo.com>
;;
;;
;; Commentary:
#lang racket/base
(require (for-syntax racket/base)
racket/runtime-path
"check.rkt"
"test-suite.rkt"
"test-case.rkt")
(provide require/expose
test-suite*
check-regexp-match)
(define-namespace-anchor this-ns)
;; Requires a module and exposes some of its unprovided identifiers.
;; USAGE: (require/expose MODULE-NAME (IDS ...))
;; where MODULE-NAME is as in the MzRacket manual (i.e.,
;; a standard module spec) and IDS are the un-provided
;; identifiers that you wish to expose in the current
;; module.
(define-syntax require/expose
(syntax-rules ()
[(_ mod (id ...))
(begin
(require (only-in mod))
(define-runtime-module-path the-resolved-mod mod)
(define-values (id ...)
(let ([the-mod (resolved-module-path-name the-resolved-mod)])
;; Use the correct module-registry:
(parameterize ((current-namespace (namespace-anchor->namespace this-ns)))
;; Get the module namespace:
(parameterize ((current-namespace (module->namespace the-mod)))
;; Use eval so id-macros (eg struct constructors, names w/ contracts) work:
(values (eval 'id) ...))))))]))
(define-syntax test-suite*
(syntax-rules ()
((test-suite* name (case-name case-body ...) ...)
(test-suite
name
(test-case case-name case-body ...) ...))))
(define-simple-check (check-regexp-match regex string)
(and (string? string)
(regexp-match regex string)))