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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2023 Runciter <runciter@whispers-vpn.org>
;;;
;;; 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 (whispers tests ssh-tunneler)
  #:use-module (gnu packages rsync)
  #:use-module (gnu tests)
  #:use-module (gnu system)
  #:use-module (gnu system file-systems)
  #:use-module (gnu system shadow)
  #:use-module (gnu system vm)
  #:use-module (gnu services)
  #:use-module (gnu services ssh)
  #:use-module (whispers services ssh-tunneler)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:export (%test-ssh-tunneler))

(define* (run-ssh-tunneler-test ssh-tunneler-os)
  "Run tests in SSH-TUNNELER-OS, which has a sshd running."
  (define os
    (marionette-operating-system
     ssh-tunneler-os
     #:imported-modules '((gnu services herd)
                          (guix combinators))))

  (define vm
    (virtual-machine
     (operating-system os)
     (port-forwardings '())))

  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (srfi srfi-11) (srfi srfi-64)
                       (gnu build marionette))

          (define marionette
            (make-marionette (list #$vm)))

          (test-runner-current (system-test-runner #$output))
          (test-begin "ssh-tunneler")

          ;; Wait for the forwarding to be established
          (test-assert "service running"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))

                (start-service
                  'ssh-forwards@reverse-port,6283:127.0.0.1:22))
             marionette))

          ;; (test-equal "Test file not copied to read-only share"
          ;;   1                                  ;see "EXIT VALUES" in rsync(1)
          ;;   (marionette-eval
          ;;    '(status:exit-val
          ;;      (system* "rsync" "/tmp/input"
          ;;               (string-append "rsync://localhost:"
          ;;                              (number->string #$rsync-port)
          ;;                              "/read-only/input")))
          ;;    marionette))

          (test-end))))

  (gexp->derivation "ssh-tunneler-test" test))

(define* %ssh-tunneler-os
  ;; Return operating system under test.
  (let ((base-os
         (simple-operating-system
          (service openssh-service-type
                   (openssh-configuration
                    (permit-root-login #t)
                    (allow-empty-passwords? #t)))
          (service persistent-ssh-service-type
                   (ssh-connection-configuration
                    (extra-requires '(ssh-daemon))
                    (require-networking? #f)
                    (forwards
                     (list (reverse-port-forward-configuration))))))))
    (operating-system
      (inherit base-os)
      (packages (operating-system-packages base-os)))))

(define %test-ssh-tunneler
  (system-test
   (name "ssh-tunneler")
   (description "Test a VM running ssh forwarding services.")
   (value (run-ssh-tunneler-test %ssh-tunneler-os))))