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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Jakob L. Kreuze <zerodaysfordays@sdf.lonestar.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 (gnu tests reconfigure)
#:use-module (gnu tests)
#:use-module (gnu system)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services networking)
#:use-module (gnu services shepherd)
#:use-module (guix derivations)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix scripts system reconfigure)
#:use-module (guix store)
#:export (%test-switch-to-system))
;;; Commentary:
;;;
;;; Test in-place system reconfiguration: advancing the system generation on a
;;; running instance of the Guix System.
;;;
;;; Code:
(define* (run-switch-to-system-test)
"Run a test of an OS running SWITCH-SYSTEM-PROGRAM, which creates a new
generation of the system profile."
(define os
(marionette-operating-system
(simple-operating-system)
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm (virtual-machine os))
(define (test script)
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-64))
(define marionette
(make-marionette (list #$vm)))
(define (system-generations marionette)
"Return the names of the generation symlinks on MARIONETTE."
(marionette-eval
'(begin
(use-modules (ice-9 ftw)
(srfi srfi-1))
(let* ((profile-dir "/var/guix/profiles/")
(entries (map first (cddr (file-system-tree profile-dir)))))
(remove (lambda (entry)
(member entry '("per-user" "system")))
entries)))
marionette))
(mkdir #$output)
(chdir #$output)
(test-begin "switch-to-system")
(let ((generations-prior (system-generations marionette)))
(test-assert "capture activation script output"
(string?
(marionette-eval
'(primitive-load #$script)
marionette)))
(test-equal "deployment created new generation"
(length (system-generations marionette))
(1+ (length generations-prior))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(mlet %store-monad ((script (switch-system-program os)))
(gexp->derivation "switch-to-system" (test script))))
(define %test-switch-to-system
(system-test
(name "switch-to-system")
(description "Create a new generation of the system profile.")
(value (run-switch-to-system-test))))
|