tests: Add gdm tests.
* gnu/tests/gdm.scm: New file. * gnu/local.mk: Register it. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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			@ -760,6 +760,7 @@ GNU_SYSTEM_MODULES =				\
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  %D%/tests/docker.scm				\
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  %D%/tests/file-sharing.scm			\
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  %D%/tests/ganeti.scm				\
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  %D%/tests/gdm.scm				\
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  %D%/tests/guix.scm				\
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  %D%/tests/monitoring.scm                      \
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  %D%/tests/nfs.scm				\
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2022 Bruno Victal <mirai@makinata.eu>.
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu tests gdm)
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  #:use-module (gnu tests)
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  #:use-module (gnu packages freedesktop)
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  #:use-module (gnu services)
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  #:use-module (gnu services desktop)
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  #:use-module (gnu services xorg)
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  #:use-module (gnu system)
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  #:use-module (gnu system file-systems)
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  #:use-module (gnu system vm)
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  #:use-module (guix gexp)
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  #:use-module (ice-9 format)
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  #:export (%test-gdm-x11
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            %test-gdm-wayland
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            %test-gdm-wayland-tmpfs))
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(define* (make-os #:key wayland? tmp-tmpfs?)
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  (operating-system
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    (inherit %simple-os)
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    (services
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     (modify-services %desktop-services
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       (gdm-service-type config => (gdm-configuration
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                                    (inherit config)
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                                    (wayland? wayland?)))))
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    (file-systems (if tmp-tmpfs? (cons (file-system
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                                         (mount-point "/tmp")
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                                         (device "none")
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                                         (type "tmpfs")
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                                         (flags '(no-dev no-suid))
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                                         (check? #f))
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                                       %base-file-systems)
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                      %base-file-systems))))
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(define* (run-gdm-test #:key wayland? tmp-tmpfs?)
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  "Run tests in a vm which has gdm running."
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  (define os
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    (marionette-operating-system
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     (make-os #:wayland? wayland? #:tmp-tmpfs? tmp-tmpfs?)
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     #:imported-modules '((gnu services herd))))
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  (define vm
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    (virtual-machine
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     (operating-system os)
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     (memory-size 1024)))
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  (define name (format #f "gdm-~:[x11~;wayland~]~:[~;-tmpfs~]" wayland? tmp-tmpfs?))
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  (define test
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    (with-imported-modules '((gnu build marionette))
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      #~(begin
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          (use-modules (gnu build marionette)
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                       (ice-9 format)
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                       (srfi srfi-64))
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          (let* ((marionette (make-marionette (list #$vm)))
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                 (expected-session-type #$(if wayland? "wayland" "x11")))
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            (test-runner-current (system-test-runner #$output))
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            (test-begin #$name)
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            ;; service for gdm is called xorg-server
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            (test-assert "service is running"
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              (marionette-eval
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               '(begin
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                  (use-modules (gnu services herd))
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                  (start-service 'xorg-server))
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               marionette))
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            (test-assert "gdm ready"
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              (wait-for-file "/var/run/gdm/gdm.pid" marionette))
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            (test-equal (string-append "session-type is " expected-session-type)
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              expected-session-type
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              (marionette-eval
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               '(begin
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                  (use-modules (ice-9 popen)
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                               (ice-9 rdelim))
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                  (let* ((loginctl #$(file-append elogind "/bin/loginctl"))
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                         (get-session-cmd (string-join `(,loginctl "show-user" "gdm"
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                                                                   "--property Display" "--value")))
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                         (session (call-with-port (open-input-pipe get-session-cmd) read-line))
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                         (get-type-cmd (string-join `(,loginctl "show-session" ,session
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                                                                "--property Type" "--value")))
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                         (type (call-with-port (open-input-pipe get-type-cmd) read-line)))
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                    type))
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               marionette))
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            (test-end)))))
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  (gexp->derivation (string-append name "-test") test))
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(define %test-gdm-x11
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  (system-test
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   (name "gdm-x11")
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   (description "Basic tests for the GDM service. (X11)")
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   (value (run-gdm-test))))
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(define %test-gdm-wayland
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  (system-test
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   (name "gdm-wayland")
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   (description "Basic tests for the GDM service. (Wayland)")
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   (value (run-gdm-test #:wayland? #t))))
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(define %test-gdm-wayland-tmpfs
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  (system-test
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   ;; See <https://issues.guix.gnu.org/57589>.
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   (name "gdm-wayland-tmpfs")
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   (description "Basic tests for the GDM service. (Wayland, /tmp as tmpfs)")
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   (value (run-gdm-test #:wayland? #t #:tmp-tmpfs? #t))))
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