;;; 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")
0 +0200'>2016-10-19</span></td><td><a href='/guix/commit/tests/scripts-build.scm?id=0d7034ca4fa287f792a934dd3ac17905db683f4f'>tests: Fix typo in 'with-graft' transformation test.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-10-17 23:59:02 +0200'>2016-10-17</span></td><td><a href='/guix/commit/tests/scripts-build.scm?id=645b9df858683dc05ffa04c9eb2fdc45ccef4a65'>guix build: Add '--with-graft'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-04-03 14:19:09 +0200'>2016-04-03</span></td><td><a href='/guix/commit/tests/scripts-build.scm?id=a9edb211e733b8b34e67ec3b4450567e9376986f'>build: Add a Guile custom test driver using SRFI-64.</a><span class='msg-avail'>...</span></td><td>Mathieu Lirzin</td></tr>
<tr><td><span title='2016-03-23 23:43:50 +0100'>2016-03-23</span></td><td><a href='/guix/commit/tests/scripts-build.scm?id=9a2a20052a1a9c384a1b877d7c71d2d239f9467e'>guix build: '--with-source' correctly matches versioned file names.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-02-01 08:59:13 +0100'>2016-02-01</span></td><td><a href='/guix/commit/tests/scripts-build.scm?id=47c0f92c37dc7d50d9d4598ce5b91c4cdfec6ed1'>guix build: Add '--with-input'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-02-01 08:59:13 +0100'>2016-02-01</span></td><td><a href='/guix/commit/tests/scripts-build.scm?id=629a064f3244e8cd13114842969de7e3b6b02f46'>guix build: Transformations operate on single objects.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>