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authorMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-08-03 23:41:35 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2022-08-28 22:28:47 -0400
commit0ea62e84a787fe94cfeadf67ef27ea995a382b84 (patch)
tree26b17f29b5e0ed2f1a5d5335b6469d6c428c8dd0 /gnu/tests/lightdm.scm
parent42fee6d0f176aea5d208e3e6d8b5270abcf4173c (diff)
services: Add lightdm-service-type.
* gnu/services/lightdm.scm: New service. * tests/services/lightdm.scm: Test it. * doc/guix.texi (X Window): Document it. * gnu/local.mk (GNU_SYSTEM_MODULES): Register it. Co-authored-by: L p R n d n <guix@lprndn.info> Co-authored-by: Ricardo Wurmus <rekado@elephly.net>
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>.
+;;;
+;;; 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 lightdm)
+ #:use-module (gnu bootloader)
+ #:use-module (gnu bootloader grub)
+ #:use-module (gnu packages)
+ #:use-module (gnu packages ocr)
+ #:use-module (gnu packages ratpoison)
+ #:use-module (gnu packages vnc)
+ #:use-module (gnu packages xorg)
+ #:use-module (gnu services)
+ #:use-module (gnu services base)
+ #:use-module (gnu services dbus)
+ #:use-module (gnu services desktop)
+ #:use-module (gnu services networking)
+ #:use-module (gnu services lightdm)
+ #:use-module (gnu services ssh)
+ #:use-module (gnu services xorg)
+ #:use-module (gnu system)
+ #:use-module (gnu system file-systems)
+ #:use-module (gnu system shadow)
+ #:use-module (gnu system vm)
+ #:use-module (gnu tests)
+ #:use-module (guix gexp)
+ #:use-module (guix modules)
+ #:use-module (srfi srfi-1)
+ #:export (%test-lightdm))
+
+(define minimal-desktop-services
+ (list polkit-wheel-service
+ (service upower-service-type)
+ (accountsservice-service)
+ (service polkit-service-type)
+ (elogind-service)
+ (dbus-service)
+ x11-socket-directory-service))
+
+(define %lightdm-os
+ (operating-system
+ (inherit %simple-os)
+ (packages (cons* ocrad ratpoison xterm %base-packages))
+ (services
+ (cons* (service lightdm-service-type
+ (lightdm-configuration
+ (allow-empty-passwords? #t)
+ (debug? #t)
+ (xdmcp? #t)
+ (vnc-server? #t)
+ (vnc-server-command
+ (file-append tigervnc-server "/bin/Xvnc"
+ " -SecurityTypes None"))
+ (greeters (list (lightdm-gtk-greeter-configuration
+ (allow-debugging? #t))))
+ (seats (list (lightdm-seat-configuration
+ (name "*")
+ (user-session "ratpoison"))))))
+
+ ;; For debugging.
+ (service dhcp-client-service-type)
+ (service openssh-service-type
+ (openssh-configuration
+ (permit-root-login #t)
+ (allow-empty-passwords? #t)))
+ (append minimal-desktop-services
+ (remove (lambda (service)
+ (eq? (service-kind service) guix-service-type))
+ %base-services))))))
+
+(define (run-lightdm-test)
+ "Run tests in %LIGHTDM-OS."
+
+ (define os (marionette-operating-system
+ %lightdm-os
+ #:imported-modules (source-module-closure
+ '((gnu services herd)))))
+
+ (define vm (virtual-machine os))
+
+ (define test
+ (with-imported-modules (source-module-closure
+ '((gnu build marionette)))
+ #~(begin
+ (use-modules (gnu build marionette)
+ (srfi srfi-26)
+ (srfi srfi-64))
+
+ (let ((marionette (make-marionette (list #$vm))))
+
+ (test-runner-current (system-test-runner #$output))
+ (test-begin "lightdm")
+
+ (test-assert "service is running"
+ (marionette-eval
+ '(begin
+ (use-modules (gnu services herd))
+ (start-service 'lightdm))
+ marionette))
+
+ (test-assert "service can be stopped"
+ (marionette-eval
+ '(begin
+ (use-modules (gnu services herd))
+ (stop-service 'lightdm))
+ marionette))
+
+ (test-assert "service can be restarted"
+ (marionette-eval
+ '(begin
+ (use-modules (gnu services herd))
+ (restart-service 'lightdm))
+ marionette))
+
+ (test-assert "login screen is displayed"
+ ;; GNU Ocrad fails to recognize the "Log In" button text, so use
+ ;; Tesseract.
+ (wait-for-screen-text marionette
+ (cut string-contains <> "Log In")
+ #:ocr #$(file-append tesseract-ocr
+ "/bin/tesseract")))
+
+ (test-assert "can connect to TCP port 5900 on IPv4"
+ (wait-for-tcp-port 5900 marionette))
+
+ ;; The VNC server fails to listen to IPv6 due to "Error binding to
+ ;; address [::]:5900: Address already in use" (see:
+ ;; https://github.com/canonical/lightdm/issues/266).
+ (test-expect-fail 1)
+ (test-assert "can connect to TCP port 5900 on IPv6"
+ (wait-for-tcp-port 5900 marionette
+ #:address
+ `(make-socket-address
+ AF_INET6
+ (inet-pton AF_INET6 "::1")
+ 5900)))
+
+ (test-end)))))
+
+ (gexp->derivation "lightdm-test" test))
+
+(define %test-lightdm
+ (system-test
+ (name "lightdm")
+ (description "Basic tests for the LightDM service.")
+ (value (run-lightdm-test))))