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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2020, 2021 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 (test-file-systems)
#:use-module (guix store)
#:use-module (guix modules)
#:use-module (gnu system file-systems)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-64)
#:use-module (ice-9 match))
;; Test the (gnu system file-systems) module.
(test-begin "file-systems")
(test-assert "file-system-needed-for-boot?"
(let-syntax ((dummy-fs (syntax-rules ()
((_ directory)
(file-system
(device "foo")
(mount-point directory)
(type "ext4"))))))
(parameterize ((%store-prefix "/gnu/guix/store"))
(and (file-system-needed-for-boot? (dummy-fs "/"))
(file-system-needed-for-boot? (dummy-fs "/gnu"))
(file-system-needed-for-boot? (dummy-fs "/gnu/guix"))
(file-system-needed-for-boot? (dummy-fs "/gnu/guix/store"))
(not (file-system-needed-for-boot?
(dummy-fs "/gnu/guix/store/foo")))
(not (file-system-needed-for-boot? (dummy-fs "/gn")))
(not (file-system-needed-for-boot?
(file-system
(inherit (dummy-fs (%store-prefix)))
(device "/foo")
(flags '(bind-mount read-only)))))))))
(test-equal "reduce-directories"
'("./opt/gnu/" "./opt/gnuism" "a/b/c")
(reduce-directories '("./opt/gnu/etc" "./opt/gnu/" "./opt/gnu/bin"
"./opt/gnu/lib/debug" "./opt/gnuism" "a/b/c" "a/b/c")))
(test-assert "does not pull (guix config)"
;; This module is meant both for the host side and "build side", so make
;; sure it doesn't pull in (guix config), which depends on the user's
;; config.
(not (member '(guix config)
(source-module-closure '((gnu system file-systems))))))
(test-equal "does not pull (gnu packages …)"
;; Same story: (gnu packages …) should not be pulled.
#f
(find (match-lambda
(('gnu 'packages _ ..1) #t)
(_ #f))
(source-module-closure '((gnu system file-systems)))))
(test-equal "file-system-options->alist"
'("autodefrag" ("subvol" . "home") ("compress" . "lzo"))
(file-system-options->alist "autodefrag,subvol=home,compress=lzo"))
(test-equal "file-system-options->alist (#f)"
'()
(file-system-options->alist #f))
(test-equal "alist->file-system-options"
"autodefrag,subvol=root,compress=lzo"
(alist->file-system-options '("autodefrag"
("subvol" . "root")
("compress" . "lzo"))))
(test-equal "alist->file-system-options (null)"
#f
(alist->file-system-options '()))
;;;
;;; Btrfs related.
;;;
(define %btrfs-root-subvolume
(file-system
(device (file-system-label "btrfs-pool"))
(mount-point "/")
(type "btrfs")
(options "subvol=rootfs,compress=zstd")))
(define %btrfs-store-subvolid
(file-system
(device (file-system-label "btrfs-pool"))
(mount-point "/gnu/store")
(type "btrfs")
(options "subvolid=10,compress=zstd")
(dependencies (list %btrfs-root-subvolume))))
(define %btrfs-store-subvolume
(file-system
(device (file-system-label "btrfs-pool"))
(mount-point "/gnu/store")
(type "btrfs")
(options "subvol=/some/nested/file/name")
(dependencies (list %btrfs-root-subvolume))))
(test-assert "btrfs-subvolume? (subvol)"
(btrfs-subvolume? %btrfs-root-subvolume))
(test-assert "btrfs-subvolume? (subvolid)"
(btrfs-subvolume? %btrfs-store-subvolid))
(test-equal "btrfs-store-subvolume-file-name"
"/some/nested/file/name"
(parameterize ((%store-prefix "/gnu/store"))
(btrfs-store-subvolume-file-name (list %btrfs-root-subvolume
%btrfs-store-subvolume))))
(test-error "btrfs-store-subvolume-file-name (subvolid)"
(parameterize ((%store-prefix "/gnu/store"))
(btrfs-store-subvolume-file-name (list %btrfs-root-subvolume
%btrfs-store-subvolid))))
(test-end)
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