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' href='#n73'>73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165
;;; 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 keyboard)
  #: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)
        (service accountsservice-service-type)
        (service polkit-service-type)
        (service elogind-service-type)
        (service dbus-root-service-type)
        (service x11-socket-directory-service-type)))

(define %lightdm-os
  (operating-system
    (inherit %simple-os)
    (packages (cons* ocrad ratpoison xterm %base-packages))
    (services
     (cons* (set-xorg-configuration (xorg-configuration
                                     (keyboard-layout (keyboard-layout "us")))
                                    lightdm-service-type)

            (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))))