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1;;; GNU Guix --- Functional package management for GNU
2;;; Copyright © 2019 Jakob L. Kreuze <[email protected]>
3;;; Copyright © 2020 Danny Milosavljevic <[email protected]>
4;;; Copyright © 2020 Brice Waegeneire <[email protected]>
5;;;
6;;; This file is part of GNU Guix.
7;;;
8;;; GNU Guix is free software; you can redistribute it and/or modify it
9;;; under the terms of the GNU General Public License as published by
10;;; the Free Software Foundation; either version 3 of the License, or (at
11;;; your option) any later version.
12;;;
13;;; GNU Guix is distributed in the hope that it will be useful, but
14;;; WITHOUT ANY WARRANTY; without even the implied warranty of
15;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16;;; GNU General Public License for more details.
17;;;
18;;; You should have received a copy of the GNU General Public License
19;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
20
21(define-module (gnu tests linux-modules)
22 #:use-module (gnu packages linux)
23 #:use-module (gnu services)
24 #:use-module (gnu services linux)
25 #:use-module (gnu system)
26 #:use-module (gnu system vm)
27 #:use-module (gnu tests)
28 #:use-module (guix derivations)
29 #:use-module (guix gexp)
30 #:use-module (guix modules)
31 #:use-module (guix packages)
32 #:use-module (guix monads)
33 #:use-module (guix store)
34 #:use-module (guix utils)
35 #:export (%test-loadable-kernel-modules-0
36 %test-loadable-kernel-modules-1
37 %test-loadable-kernel-modules-2))
38
39;;; Commentary:
40;;;
41;;; Test <operating-system> kernel-loadable-modules.
42;;;
43;;; Code:
44
45(define* (modules-loaded?-program os modules)
46 "Return an executable store item that, upon being evaluated, will verify
47that MODULES are actually loaded."
48 (program-file
49 "verify-kernel-modules-loaded.scm"
50 #~(begin
51 (use-modules (ice-9 rdelim)
52 (ice-9 popen)
53 (srfi srfi-1)
54 (srfi srfi-13))
55 (let* ((port (open-input-pipe (string-append #$kmod "/bin/lsmod")))
56 (lines (string-split (read-string port) #\newline))
57 (separators (char-set #\space #\tab))
58 (modules (map (lambda (line)
59 (string-take line
60 (or (string-index line separators)
61 0)))
62 lines))
63 (status (close-pipe port)))
64 (and (= status 0)
65 (and-map (lambda (module)
66 (member module modules string=?))
67 '#$modules))))))
68
69(define* (run-loadable-kernel-modules-test module-packages module-names)
70 "Run a test of an OS having MODULE-PACKAGES, and verify that MODULE-NAMES
71are loaded in memory."
72 (define os
73 (marionette-operating-system
74 (operating-system
75 (inherit (simple-operating-system))
76 (services (cons (service kernel-module-loader-service-type module-names)
77 (operating-system-user-services
78 (simple-operating-system))))
79 (kernel-loadable-modules module-packages))
80 #:imported-modules '((guix combinators))))
81 (define vm (virtual-machine os))
82 (define (test script)
83 (with-imported-modules '((gnu build marionette))
84 #~(begin
85 (use-modules (gnu build marionette)
86 (srfi srfi-64))
87 (define marionette
88 (make-marionette (list #$vm)))
89 (mkdir #$output)
90 (chdir #$output)
91 (test-begin "loadable-kernel-modules")
92 (test-assert "script successfully evaluated"
93 (marionette-eval
94 '(primitive-load #$script)
95 marionette))
96 (test-end)
97 (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
98 (gexp->derivation "loadable-kernel-modules"
99 (test (modules-loaded?-program os module-names))))
100
101(define %test-loadable-kernel-modules-0
102 (system-test
103 (name "loadable-kernel-modules-0")
104 (description "Tests loadable kernel modules facility of <operating-system>
105with no extra modules.")
106 (value (run-loadable-kernel-modules-test '() '()))))
107
108(define %test-loadable-kernel-modules-1
109 (system-test
110 (name "loadable-kernel-modules-1")
111 (description "Tests loadable kernel modules facility of <operating-system>
112with one extra module.")
113 (value (run-loadable-kernel-modules-test
114 (list ddcci-driver-linux)
115 '("ddcci")))))
116
117(define %test-loadable-kernel-modules-2
118 (system-test
119 (name "loadable-kernel-modules-2")
120 (description "Tests loadable kernel modules facility of <operating-system>
121with two extra modules.")
122 (value (run-loadable-kernel-modules-test
123 (list acpi-call-linux-module
124 (package
125 (inherit ddcci-driver-linux)
126 (arguments
127 `(#:linux #f
128 ,@(strip-keyword-arguments '(#:linux)
129 (package-arguments
130 ddcci-driver-linux))))))
131 '("acpi_call" "ddcci")))))