1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-challenge)
#:use-module (guix tests)
#:use-module (guix hash)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix derivations)
#:use-module (guix gexp)
#:use-module (guix scripts challenge)
#:use-module (guix scripts substitute)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-64)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 match))
(define %store
(open-connection-for-tests))
(define query-path-hash*
(store-lift query-path-hash))
(define-syntax-rule (test-assertm name exp)
(test-assert name
(run-with-store %store exp
#:guile-for-build (%guile-for-build))))
(define* (call-with-derivation-narinfo* drv thunk hash)
(lambda (store)
(with-derivation-narinfo drv (sha256 => hash)
(values (run-with-store store (thunk)) store))))
(define-syntax with-derivation-narinfo*
(syntax-rules (sha256 =>)
((_ drv (sha256 => hash) body ...)
(call-with-derivation-narinfo* drv
(lambda () body ...)
hash))))
\f
(test-begin "challenge")
(test-assertm "no discrepancies"
(let ((text (random-text)))
(mlet* %store-monad ((drv (gexp->derivation "something"
#~(call-with-output-file
#$output
(lambda (port)
(display #$text port)))))
(out -> (derivation->output-path drv)))
(mbegin %store-monad
(built-derivations (list drv))
(mlet %store-monad ((hash (query-path-hash* out)))
(with-derivation-narinfo* drv (sha256 => hash)
(>>= (compare-contents (list out) (%test-substitute-urls))
(match-lambda
((report)
(return
(and (string=? out (comparison-report-item report))
(bytevector=?
(comparison-report-local-sha256 report)
hash)
(comparison-report-match? report))))))))))))
(test-assertm "one discrepancy"
(let ((text (random-text)))
(mlet* %store-monad ((drv (gexp->derivation "something"
#~(call-with-output-file
#$output
(lambda (port)
(display #$text port)))))
(out -> (derivation->output-path drv)))
(mbegin %store-monad
(built-derivations (list drv))
(mlet* %store-monad ((hash (query-path-hash* out))
(wrong-hash
-> (let* ((w (bytevector-copy hash))
(b (bytevector-u8-ref w 0)))
(bytevector-u8-set! w 0
(modulo (+ b 1) 128))
w)))
(with-derivation-narinfo* drv (sha256 => wrong-hash)
(>>= (compare-contents (list out) (%test-substitute-urls))
(match-lambda
((report)
(return
(and (string=? out (comparison-report-item (pk report)))
(eq? 'mismatch (comparison-report-result report))
(bytevector=? hash
(comparison-report-local-sha256
report))
(match (comparison-report-narinfos report)
((bad)
(bytevector=? wrong-hash
(narinfo-hash->sha256
(narinfo-hash bad))))))))))))))))
(test-assertm "inconclusive: no substitutes"
(mlet* %store-monad ((drv (gexp->derivation "foo" #~(mkdir #$output)))
(out -> (derivation->output-path drv))
(_ (built-derivations (list drv)))
(hash (query-path-hash* out)))
(>>= (compare-contents (list out) (%test-substitute-urls))
(match-lambda
((report)
(return
(and (string=? out (comparison-report-item report))
(comparison-report-inconclusive? report)
(null? (comparison-report-narinfos report))
(bytevector=? (comparison-report-local-sha256 report)
hash))))))))
(test-assertm "inconclusive: no local build"
(let ((text (random-text)))
(mlet* %store-monad ((drv (gexp->derivation "something"
#~(list #$output #$text)))
(out -> (derivation->output-path drv))
(hash -> (sha256 #vu8())))
(with-derivation-narinfo* drv (sha256 => hash)
(>>= (compare-contents (list out) (%test-substitute-urls))
(match-lambda
((report)
(return
(and (string=? out (comparison-report-item report))
(comparison-report-inconclusive? report)
(not (comparison-report-local-sha256 report))
(match (comparison-report-narinfos report)
((narinfo)
(bytevector=? (narinfo-hash->sha256
(narinfo-hash narinfo))
hash))))))))))))
(test-end)
;;; Local Variables:
;;; eval: (put 'with-derivation-narinfo* 'scheme-indent-function 2)
;;; End:
|