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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.org>
;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
;;;
;;; 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 (gnu tests linux-modules)
#:use-module (gnu packages linux)
#:use-module (gnu services)
#:use-module (gnu services linux)
#:use-module (gnu system)
#:use-module (gnu system vm)
#:use-module (gnu tests)
#:use-module (guix derivations)
#:use-module (guix gexp)
#:use-module (guix modules)
#:use-module (guix monads)
#:use-module (guix store)
#:export (%test-loadable-kernel-modules-0
%test-loadable-kernel-modules-1
%test-loadable-kernel-modules-2))
;;; Commentary:
;;;
;;; Test <operating-system> kernel-loadable-modules.
;;;
;;; Code:
(define* (modules-loaded?-program os modules)
"Return an executable store item that, upon being evaluated, will verify
that MODULES are actually loaded."
(program-file
"verify-kernel-modules-loaded.scm"
#~(begin
(use-modules (ice-9 rdelim)
(ice-9 popen)
(srfi srfi-1)
(srfi srfi-13))
(let* ((port (open-input-pipe (string-append #$kmod "/bin/lsmod")))
(lines (string-split (read-string port) #\newline))
(separators (char-set #\space #\tab))
(modules (map (lambda (line)
(string-take line
(or (string-index line separators)
0)))
lines))
(status (close-pipe port)))
(and (= status 0)
(and-map (lambda (module)
(member module modules string=?))
'#$modules))))))
(define* (run-loadable-kernel-modules-test module-packages module-names)
"Run a test of an OS having MODULE-PACKAGES, and verify that MODULE-NAMES
are loaded in memory."
(define os
(marionette-operating-system
(operating-system
(inherit (simple-operating-system))
(services (cons (service kernel-module-loader-service-type module-names)
(operating-system-user-services
(simple-operating-system))))
(kernel-loadable-modules module-packages))
#:imported-modules '((guix combinators))))
(define vm (virtual-machine os))
(define (test script)
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-64))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "loadable-kernel-modules")
(test-assert "script successfully evaluated"
(marionette-eval
'(primitive-load #$script)
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "loadable-kernel-modules"
(test (modules-loaded?-program os module-names))))
(define %test-loadable-kernel-modules-0
(system-test
(name "loadable-kernel-modules-0")
(description "Tests loadable kernel modules facility of <operating-system>
with no extra modules.")
(value (run-loadable-kernel-modules-test '() '()))))
(define %test-loadable-kernel-modules-1
(system-test
(name "loadable-kernel-modules-1")
(description "Tests loadable kernel modules facility of <operating-system>
with one extra module.")
(value (run-loadable-kernel-modules-test
(list ddcci-driver-linux)
'("ddcci")))))
(define %test-loadable-kernel-modules-2
(system-test
(name "loadable-kernel-modules-2")
(description "Tests loadable kernel modules facility of <operating-system>
with two extra modules.")
(value (run-loadable-kernel-modules-test
(list acpi-call-linux-module ddcci-driver-linux)
'("acpi_call" "ddcci")))))
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