* guix/scripts/challenge.scm, tests/challenge.scm: New files. * Makefile.am (MODULES): Add the former. (SCM_TESTS): Add the latter. * doc.am (SUBCOMMANDS): Add 'challenge'. * doc/guix.texi (Substitutes): Add xref to 'guix challenge'. (Invoking guix challenge): New node. * doc/contributing.texi (Submitting Patches): Add note about using 'guix challenge'. * po/guix/POTFILES.in: Add guix/scripts/challenge.scm.
		
			
				
	
	
		
			114 lines
		
	
	
	
		
			4.5 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			114 lines
		
	
	
	
		
			4.5 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix 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 Guix 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 Guix.  If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-challenge)
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  #:use-module (guix tests)
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  #:use-module (guix hash)
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  #:use-module (guix store)
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  #:use-module (guix monads)
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  #:use-module (guix derivations)
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  #:use-module (guix gexp)
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  #:use-module (guix scripts challenge)
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  #:use-module (guix scripts substitute)
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  #:use-module (srfi srfi-1)
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  #:use-module (srfi srfi-26)
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  #:use-module (srfi srfi-64)
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  #:use-module (rnrs bytevectors)
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  #:use-module (ice-9 match))
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(define %store
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  (open-connection-for-tests))
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(define query-path-hash*
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  (store-lift query-path-hash))
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(define-syntax-rule (test-assertm name exp)
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  (test-assert name
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    (run-with-store %store exp
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                    #:guile-for-build (%guile-for-build))))
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(define* (call-with-derivation-narinfo* drv thunk hash)
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  (lambda (store)
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    (with-derivation-narinfo drv (sha256 => hash)
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      (values (run-with-store store (thunk)) store))))
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(define-syntax with-derivation-narinfo*
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  (syntax-rules (sha256 =>)
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    ((_ drv (sha256 => hash) body ...)
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     (call-with-derivation-narinfo* drv
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       (lambda () body ...)
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       hash))))
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(test-begin "challenge")
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(test-assertm "no discrepancies"
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  (let ((text (random-text)))
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    (mlet* %store-monad ((drv (gexp->derivation "something"
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                                                #~(call-with-output-file
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                                                      #$output
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                                                    (lambda (port)
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                                                      (display #$text port)))))
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                         (out -> (derivation->output-path drv)))
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      (mbegin %store-monad
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        (built-derivations (list drv))
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        (mlet %store-monad ((hash (query-path-hash* out)))
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          (with-derivation-narinfo* drv (sha256 => hash)
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            (>>= (discrepancies (list out) (%test-substitute-urls))
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                 (lift1 null? %store-monad))))))))
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(test-assertm "one discrepancy"
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  (let ((text (random-text)))
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    (mlet* %store-monad ((drv (gexp->derivation "something"
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                                                #~(call-with-output-file
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                                                      #$output
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                                                    (lambda (port)
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                                                      (display #$text port)))))
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                         (out -> (derivation->output-path drv)))
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      (mbegin %store-monad
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        (built-derivations (list drv))
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        (mlet* %store-monad ((hash (query-path-hash* out))
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                             (wrong-hash
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                              -> (let* ((w (bytevector-copy hash))
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                                        (b (bytevector-u8-ref w 0)))
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                                   (bytevector-u8-set! w 0
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                                                       (modulo (+ b 1) 128))
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                                   w)))
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          (with-derivation-narinfo* drv (sha256 => wrong-hash)
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            (>>= (discrepancies (list out) (%test-substitute-urls))
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                 (match-lambda
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                   ((discrepancy)
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                    (return
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                     (and (string=? out (discrepancy-item discrepancy))
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                          (bytevector=? hash
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                                        (discrepancy-local-sha256
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                                         discrepancy))
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                          (match (discrepancy-narinfos discrepancy)
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                            ((bad)
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                             (bytevector=? wrong-hash
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                                           (narinfo-hash->sha256
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                                            (narinfo-hash bad))))))))))))))))
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(test-end)
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(exit (= (test-runner-fail-count (test-runner-current)) 0))
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;;; Local Variables:
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;;; eval: (put 'with-derivation-narinfo* 'scheme-indent-function 2)
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;;; End:
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