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|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.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 (test-system)
#:use-module (gnu)
#:use-module (guix store)
#:use-module (gnu services herd)
#:use-module (gnu services shepherd)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-64))
;; Test the (gnu system) module.
(define %root-fs
(file-system
(device "my-root")
(title 'label)
(mount-point "/")
(type "ext4")))
(define %os
(operating-system
(host-name "komputilo")
(timezone "Europe/Berlin")
(locale "en_US.utf8")
(bootloader (grub-configuration (device "/dev/sdX")))
(file-systems (cons %root-fs %base-file-systems))
(users %base-user-accounts)))
(define %luks-device
(mapped-device
(source "/dev/foo") (target "my-luks-device")
(type luks-device-mapping)))
(define %os-with-mapped-device
(operating-system
(host-name "komputilo")
(timezone "Europe/Berlin")
(locale "en_US.utf8")
(bootloader (grub-configuration (device "/dev/sdX")))
(mapped-devices (list %luks-device))
(file-systems (cons (file-system
(inherit %root-fs)
(dependencies (list %luks-device)))
%base-file-systems))
(users %base-user-accounts)))
(define live-service
(@@ (gnu services herd) live-service))
(define service-upgrade
(@@ (guix scripts system) service-upgrade))
(test-begin "system")
(test-assert "operating-system-store-file-system"
;; %BASE-FILE-SYSTEMS defines a bind-mount for /gnu/store, but this
;; shouldn't be a problem.
(eq? %root-fs
(operating-system-store-file-system %os)))
(test-assert "operating-system-store-file-system, prefix"
(let* ((gnu (file-system
(device "foobar")
(mount-point (dirname (%store-prefix)))
(type "ext5")))
(os (operating-system
(inherit %os)
(file-systems (cons* gnu %root-fs
%base-file-systems)))))
(eq? gnu (operating-system-store-file-system os))))
(test-assert "operating-system-store-file-system, store"
(let* ((gnu (file-system
(device "foobar")
(mount-point (%store-prefix))
(type "ext5")))
(os (operating-system
(inherit %os)
(file-systems (cons* gnu %root-fs
%base-file-systems)))))
(eq? gnu (operating-system-store-file-system os))))
(test-equal "operating-system-user-mapped-devices"
'()
(operating-system-user-mapped-devices %os-with-mapped-device))
(test-equal "operating-system-boot-mapped-devices"
(list %luks-device)
(operating-system-boot-mapped-devices %os-with-mapped-device))
(test-equal "operating-system-boot-mapped-devices, implicit dependency"
(list %luks-device)
;; Here we expect the implicit dependency between "/" and
;; "/dev/mapper/my-luks-device" to be found, in spite of the lack of a
;; 'dependencies' field in the root file system.
(operating-system-boot-mapped-devices
(operating-system
(inherit %os-with-mapped-device)
(file-systems (cons (file-system
(device "/dev/mapper/my-luks-device")
(title 'device)
(mount-point "/")
(type "ext4"))
%base-file-systems)))))
(test-equal "service-upgrade: nothing to do"
'(() ())
(call-with-values
(lambda ()
(service-upgrade '() '()))
list))
(test-equal "service-upgrade: one unchanged, one upgraded, one new"
'(((bar)) ;unload
((bar) (baz))) ;load
(call-with-values
(lambda ()
;; Here 'foo' is not upgraded because it is still running, whereas
;; 'bar' is upgraded because it is not currently running. 'baz' is
;; loaded because it's a new service.
(service-upgrade (list (live-service '(foo) '() #t)
(live-service '(bar) '() #f)
(live-service '(root) '() #t)) ;essential!
(list (shepherd-service (provision '(foo))
(start #t))
(shepherd-service (provision '(bar))
(start #t))
(shepherd-service (provision '(baz))
(start #t)))))
(lambda (unload load)
(list (map live-service-provision unload)
(map shepherd-service-provision load)))))
(test-equal "service-upgrade: service depended on is not unloaded"
'(((baz)) ;unload
()) ;load
(call-with-values
(lambda ()
;; Service 'bar' is not among the target services; yet, it must not be
;; unloaded because 'foo' depends on it.
(service-upgrade (list (live-service '(foo) '(bar) #t)
(live-service '(bar) '() #t) ;still used!
(live-service '(baz) '() #t))
(list (shepherd-service (provision '(foo))
(start #t)))))
(lambda (unload load)
(list (map live-service-provision unload)
(map shepherd-service-provision load)))))
(test-equal "service-upgrade: obsolete services that depend on each other"
'(((foo) (bar) (baz)) ;unload
((qux))) ;load
(call-with-values
(lambda ()
;; 'foo', 'bar', and 'baz' depend on each other, but all of them are
;; obsolete, and thus should be unloaded.
(service-upgrade (list (live-service '(foo) '(bar) #t) ;obsolete
(live-service '(bar) '(baz) #t) ;obsolete
(live-service '(baz) '() #t)) ;obsolete
(list (shepherd-service (provision '(qux))
(start #t)))))
(lambda (unload load)
(list (map live-service-provision unload)
(map shepherd-service-provision load)))))
(test-end)
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