guix/tests/services/linux.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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 (tests services linux)
#:use-module (ice-9 match)
#:use-module (gnu packages linux)
#:use-module (gnu services linux)
#:use-module (guix gexp)
#:use-module (srfi srfi-64))
;;; Tests for the (gnu services linux) module.
(test-begin "linux-services")
;;;
;;; Early OOM daemon.
;;;
(define earlyoom-configuration->command-line-args
(@@ (gnu services linux) earlyoom-configuration->command-line-args))
(define %earlyoom-configuration-sample
(earlyoom-configuration
(minimum-available-memory 10)
(minimum-free-swap 20)
(prefer-regexp "icecat")
(avoid-regexp "guix-daemon")
(memory-report-interval 60)
(ignore-positive-oom-score-adj? #f)
(run-with-higher-priority? #t)
(show-debug-messages? #f)
(send-notification-command "python \"/some/path/notify-all-users.py\"")))
(test-equal "earlyoom-configuration->command-line-args"
(list (file-append earlyoom "/bin/earlyoom")
"-m" "10" "-s" "20" "--prefer" "icecat"
"--avoid" "guix-daemon" "-r" "60" "-p"
"-N" "python \"/some/path/notify-all-users.py\"")
(earlyoom-configuration->command-line-args %earlyoom-configuration-sample))
;;;
;;; Zram swap device.
;;;
(define zram-device-configuration->udev-string
(@@ (gnu services linux) zram-device-configuration->udev-string))
(define %zram-swap-device-test-1
(zram-device-configuration
(size "2G")
(compression-algorithm 'zstd)
(memory-limit "1G")
(priority 42)))
(test-equal "zram-swap-device-test-1"
"KERNEL==\"zram0\", ATTR{comp_algorithm}=\"zstd\" ATTR{disksize}=\"2G\" ATTR{mem_limit}=\"1G\" RUN+=\"/run/current-system/profile/sbin/mkswap /dev/zram0\" RUN+=\"/run/current-system/profile/sbin/swapon --priority 42 /dev/zram0\"\n"
(zram-device-configuration->udev-string %zram-swap-device-test-1))
(define %zram-swap-device-test-2
(zram-device-configuration
(size 1048576) ; 1M
(compression-algorithm 'lz4)))
(test-equal "zram-swap-device-test-2"
"KERNEL==\"zram0\", ATTR{comp_algorithm}=\"lz4\" ATTR{disksize}=\"1048576\" RUN+=\"/run/current-system/profile/sbin/mkswap /dev/zram0\" RUN+=\"/run/current-system/profile/sbin/swapon /dev/zram0\"\n"
(zram-device-configuration->udev-string %zram-swap-device-test-2))
(define %zram-swap-device-test-3
(zram-device-configuration
(memory-limit (* 512 1000))))
(test-equal "zram-swap-device-test-3"
"KERNEL==\"zram0\", ATTR{comp_algorithm}=\"lzo\" ATTR{disksize}=\"1G\" ATTR{mem_limit}=\"512000\" RUN+=\"/run/current-system/profile/sbin/mkswap /dev/zram0\" RUN+=\"/run/current-system/profile/sbin/swapon /dev/zram0\"\n"
(zram-device-configuration->udev-string %zram-swap-device-test-3))
(test-end "linux-services")