72 lines
2.2 KiB
Scheme
Executable File
72 lines
2.2 KiB
Scheme
Executable File
#! /bin/sh
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# -*-scheme-*-
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exec ${MES-bin/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests peg)' -s "$0" "$@"
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!#
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;;; -*-scheme-*-
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;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2016 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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(define-module (tests peg)
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#:use-module (mes mes-0)
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#:use-module (mes test))
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(cond-expand
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(mes
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(mes-use-module (mes peg))
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(mes-use-module (mes test)))
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(guile-2.2
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(use-modules (ice-9 peg)))
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(guile
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(use-modules (ice-9 syncase))
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(display "guile 2.0: no PEG\n" (current-error-port))
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(exit 0)))
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(pass-if "first dummy" #t)
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(pass-if-not "second dummy" #f)
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(define *etc-passwd*
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"root:x:0:0:root:/root:/bin/bash
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daemon:x:1:1:daemon:/usr/sbin:/bin/sh
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bin:x:2:2:bin:/bin:/bin/sh
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sys:x:3:3:sys:/dev:/bin/sh
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nobody:x:65534:65534:nobody:/nonexistent:/bin/sh
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messagebus:x:103:107::/var/run/dbus:/bin/false")
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(define-peg-string-patterns
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"string-passwd <- entry* !.
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entry <-- (! NL .)* NL*
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NL < '\n'")
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(pass-if-equal "peg-tree"
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(map (lambda (x) (list 'entry x)) (string-split *etc-passwd* #\newline))
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(peg:tree (match-pattern string-passwd *etc-passwd*)))
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(define-peg-pattern passwd body (and (* entry) (not-followed-by peg-any)))
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(define-peg-pattern entry all (and (* (and (not-followed-by NL) peg-any))
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(* NL)))
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(define-peg-pattern NL none "\n")
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(define-peg-pattern passwd body (peg "entry* !."))
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(pass-if-equal "peg-tree"
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(map (lambda (x) (list 'entry x)) (string-split *etc-passwd* #\newline))
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(peg:tree (match-pattern passwd *etc-passwd*)))
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(result 'report)
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