guix - tests/cpio.scm

87 lines · 3.2 KiB

1	;;; GNU Guix --- Functional package management for GNU
2	;;; Copyright © 2015, 2022, 2024 Ludovic Courtès <[email protected]>
3	;;;
4	;;; This file is part of GNU Guix.
5	;;;
6	;;; GNU Guix is free software; you can redistribute it and/or modify it
7	;;; under the terms of the GNU General Public License as published by
8	;;; the Free Software Foundation; either version 3 of the License, or (at
9	;;; your option) any later version.
10	;;;
11	;;; GNU Guix is distributed in the hope that it will be useful, but
12	;;; WITHOUT ANY WARRANTY; without even the implied warranty of
13	;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	;;; GNU General Public License for more details.
15	;;;
16	;;; You should have received a copy of the GNU General Public License
17	;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
18
19	(define-module (test-cpio)
20	#:use-module (guix cpio)
21	#:use-module (guix tests)
22	#:use-module ((guix build utils)
23	#:select (which call-with-temporary-output-file))
24	#:use-module (ice-9 match)
25	#:use-module (ice-9 popen)
26	#:use-module (rnrs io ports)
27	#:use-module (srfi srfi-1)
28	#:use-module (srfi srfi-26)
29	#:use-module (srfi srfi-64))
30
31	(define %cpio-program
32	(which "cpio"))
33
34	(define %test-file
35	(search-path %load-path "guix.scm"))
36
37
38	(test-begin "cpio")
39
40	;; The cpio format expects 'ino' to fit in 32 bits. If we have a bigger inode
41	;; number, skip this test.
42	(test-skip
43	(if (>= (stat:ino (lstat %test-file)) (expt 2 32)) 1 0))
44	(test-assert "file->cpio-header + write-cpio-header + read-cpio-header"
45	(let* ((header (file->cpio-header %test-file)))
46	(call-with-values
47	(lambda ()
48	(open-bytevector-output-port))
49	(lambda (port get-bv)
50	(write-cpio-header header port)
51	(let ((port (open-bytevector-input-port (get-bv))))
52	(equal? header (read-cpio-header port)))))))
53
54	(unless %cpio-program (test-skip 1))
55	(test-assert "bit-identical to GNU cpio's output"
56	(call-with-temporary-output-file
57	(lambda (link _)
58	(delete-file link)
59	(symlink "chbouib" link)
60
61	(let ((files (cons* "/"
62	(canonicalize-path
63	(dirname (search-path %load-path "guix.scm")))
64	link
65	(map (compose canonicalize-path
66	(cut search-path %load-path <>))
67	'("guix.scm" "guix/build/syscalls.scm"
68	"guix/packages.scm")))))
69	(call-with-temporary-output-file
70	(lambda (ref-file _)
71	(let ((pipe (open-pipe* OPEN_WRITE %cpio-program "-o" "-O" ref-file
72	"-H" "newc" "--null")))
73	(for-each (lambda (file)
74	(format pipe "~a\0" file))
75	files)
76	(and (zero? (close-pipe pipe))
77	(call-with-temporary-output-file
78	(lambda (file port)
79	(write-cpio-archive files port)
80	(close-port port)
81	(or (file=? ref-file file)
82	(throw 'cpio-archives-differ files
83	ref-file file
84	(stat:size (stat ref-file))
85	(stat:size (stat file))))))))))))))
86
87	(test-end "cpio")