* 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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| 
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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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| 
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| (define %store
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|   (open-connection-for-tests))
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| 
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| (define query-path-hash*
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|   (store-lift query-path-hash))
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| 
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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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| 
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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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| 
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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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| 
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| 
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| (test-begin "challenge")
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| 
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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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| 
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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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| 
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| (test-end)
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| 
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| 
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| (exit (= (test-runner-fail-count (test-runner-current)) 0))
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| 
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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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