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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 vnc)
- #:use-module (gnu bootloader)
- #:use-module (gnu bootloader grub)
- #:use-module (gnu packages)
- #:use-module (gnu packages ocr)
- #:use-module (gnu packages glib)
- #:use-module (gnu services)
- #:use-module (gnu services dbus)
- #:use-module (gnu services desktop)
- #:use-module (gnu services networking)
- #:use-module (gnu services ssh)
- #:use-module (gnu services vnc)
- #: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)
- #:export (%test-xvnc))
-
-(define %xvnc-os
- (operating-system
- ;; Usual boilerplate.
- (host-name "komputilo")
- (timezone "Europe/Berlin")
- (locale "en_US.UTF-8")
- (bootloader (bootloader-configuration
- (bootloader grub-bootloader)
- (targets '("/dev/sdX"))))
- (file-systems (cons (file-system
- (device (file-system-label "my-root"))
- (mount-point "/")
- (type "ext4"))
- %base-file-systems))
-
- (users (cons (user-account
- (name "dummy")
- (group "users")
- (supplementary-groups '("wheel" "netdev"
- "audio" "video")))
- %base-user-accounts))
- (packages (append (map specification->package
- '("dbus" ;for dbus-run-session
- "dconf"
- "gnome-settings-daemon" ;for schemas
- "ratpoison"
- "tigervnc-client"
- "xterm"))
- %base-packages
- (list `(,glib "bin")
- glib)))
- (services (cons*
- (service openssh-service-type (openssh-configuration
- (permit-root-login #t)
- (allow-empty-passwords? #t)))
- (service xvnc-service-type (xvnc-configuration
- (display-number 5)
- (security-types (list "None"))
- (log-level 100)
- (localhost? #f)
- (xdmcp? #t)
- (inetd? #t)))
- (modify-services %desktop-services
- (gdm-service-type config => (gdm-configuration
- (inherit config)
- (auto-login? #t)
- (auto-suspend? #f)
- (default-user "root")
- (debug? #t)
- (xdmcp? #t))))))))
-
-(define (run-xvnc-test)
- "Run tests in %XVNC-OS."
-
- (define os (marionette-operating-system
- %xvnc-os
- #:imported-modules (source-module-closure
- '((gnu services herd)))))
-
- (define vm (virtual-machine
- (operating-system os)
- (memory-size 1024)))
-
- (define test
- (with-imported-modules (source-module-closure
- '((gnu build marionette)
- (guix build utils)))
- #~(begin
- (use-modules (gnu build marionette)
- (guix build utils)
- (srfi srfi-26)
- (srfi srfi-64))
-
- (let ((marionette (make-marionette (list #$vm))))
-
- (test-runner-current (system-test-runner #$output))
- (test-begin "xvnc")
-
- (test-assert "service running"
- (marionette-eval
- '(begin
- (use-modules (gnu services herd))
- (start-service 'xvnc))
- marionette))
-
- (test-assert "wait for port 5905, IPv4"
- (wait-for-tcp-port 5905 marionette))
-
- (test-assert "wait for port 5905, IPv6"
- (wait-for-tcp-port 5905 marionette
- #:address
- '(make-socket-address
- AF_INET6 (inet-pton AF_INET6 "::1") 5905)))
-
- (test-assert "gdm auto-suspend is disabled"
- ;; More a GDM than a Xvnc test, but since it's a cross-cutting
- ;; concern and we have everything set up here, we might as well
- ;; check it here.
- (marionette-eval
- '(begin
- ;; Check that DCONF_PROFILE is set...
- (invoke "/bin/sh" "-lc" "\
-pgrep gdm | head -n1 | xargs -I{} grep -Fq DCONF_PROFILE /proc/{}/environ")
-
- ;; ... and that
- (invoke "/bin/sh" "-lc" "\
-sudo -E -u gdm env DCONF_PROFILE=/etc/dconf/profile/gdm dbus-run-session \
-gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type \
-| grep -Fq nothing"))
- marionette))
-
- (test-assert "vnc lands on the gdm login screen"
- ;; This test runs vncviewer on the local VM and verifies that it
- ;; manages to access the GDM login screen (via XDMCP).
- (begin
- (define (ratpoison-abort)
- (marionette-control "sendkey ctrl-g" marionette))
-
- (define (ratpoison-help)
- (marionette-control "sendkey ctrl-t" marionette)
- (marionette-type "?" marionette)
- (sleep 1)) ;wait for help screen to appear
-
- (define (ratpoison-exec command)
- (marionette-control "sendkey ctrl-t" marionette)
- (marionette-type "!" marionette)
- (marionette-type (string-append command "\n") marionette))
-
- ;; Wait until the ratpoison help screen can be displayed; this
- ;; means the window manager is ready.
- (wait-for-screen-text marionette
- (cut string-contains <> "key bindings")
- #:ocr #$(file-append tesseract-ocr
- "/bin/tesseract")
- #:pre-action ratpoison-help
- #:post-action ratpoison-abort)
-
- ;; Run vncviewer and expect the GDM login screen (accessed via
- ;; XDMCP). This can take a while to appear on slower machines.
- (ratpoison-exec "vncviewer localhost:5905")
- ;; XXX: tesseract narrowly recognizes "Guix" as "uix" from the
- ;; background image; ocrad fares worst. Sadly, 'Username' is
- ;; not recognized at all.
- (wait-for-screen-text marionette
- (cut string-contains <> "uix")
- #:ocr #$(file-append tesseract-ocr
- "/bin/tesseract")
- #:timeout 120)))
-
- (test-end)))))
-
- (gexp->derivation "xvnc-test" test))
-
-(define %test-xvnc
- (system-test
- (name "xvnc")
- (description "Basic tests for the Xvnc service. One of the tests validate
-that XDMCP works with GDM, and is therefore heavy in terms of disk and memory
-requirements.")
- (value (run-xvnc-test))))
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