[jackhill/guix/guix.git] / tests / syscalls.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 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-syscalls)
  #:use-module (guix build syscalls)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-64)
  #:use-module (ice-9 match))

;; Test the (guix build syscalls) module, although there's not much that can
;; actually be tested without being root.

(test-begin "syscalls")

(test-equal "mount, ENOENT"
  ENOENT
  (catch 'system-error
    (lambda ()
      (mount "/dev/null" "/does-not-exist" "ext2")
      #f)
    (compose system-error-errno list)))

(test-assert "umount, ENOENT/EPERM"
  (catch 'system-error
    (lambda ()
      (umount "/does-not-exist")
      #f)
    (lambda args
      ;; Both return values have been encountered in the wild.
      (memv (system-error-errno args) (list EPERM ENOENT)))))

(test-assert "swapon, ENOENT/EPERM"
  (catch 'system-error
    (lambda ()
      (swapon "/does-not-exist")
      #f)
    (lambda args
      (memv (system-error-errno args) (list EPERM ENOENT)))))

(test-assert "swapoff, ENOENT/EINVAL/EPERM"
  (catch 'system-error
    (lambda ()
      (swapoff "/does-not-exist")
      #f)
    (lambda args
      (memv (system-error-errno args) (list EPERM EINVAL ENOENT)))))

(test-assert "all-network-interfaces"
  (match (all-network-interfaces)
    (((? string? names) ..1)
     (member "lo" names))))

(test-assert "network-interfaces"
  (match (network-interfaces)
    (((? string? names) ..1)
     (lset<= string=? names (all-network-interfaces)))))

(test-assert "network-interface-flags"
  (let* ((sock  (socket SOCK_STREAM AF_INET 0))
         (flags (network-interface-flags sock "lo")))
    (close-port sock)
    (and (not (zero? (logand flags IFF_LOOPBACK)))
         (not (zero? (logand flags IFF_UP))))))

(test-equal "loopback-network-interface?"
  ENODEV
  (and (loopback-network-interface? "lo")
       (catch 'system-error
         (lambda ()
           (loopback-network-interface? "nonexistent")
           #f)
         (lambda args
           (system-error-errno args)))))

(test-end)

\f
(exit (= (test-runner-fail-count (test-runner-current)) 0))
Commit	Line	Data
29fa45f4 LC	1	;;; GNU Guix --- Functional package management for GNU
	2	;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.org>
	3	;;;
	4	;;; This file is part of GNU Guix.
	5	;;;
	6	;;; GNU Guix is free software; you can redistribute it and/or modify it
	7	;;; under the terms of the GNU General Public License as published by
	8	;;; the Free Software Foundation; either version 3 of the License, or (at
	9	;;; your option) any later version.
	10	;;;
	11	;;; GNU Guix is distributed in the hope that it will be useful, but
	12	;;; WITHOUT ANY WARRANTY; without even the implied warranty of
	13	;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	;;; GNU General Public License for more details.
	15	;;;
	16	;;; You should have received a copy of the GNU General Public License
	17	;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
	18
	19	(define-module (test-syscalls)
	20	#:use-module (guix build syscalls)
4d54785c	21	#:use-module (srfi srfi-1)
7585016f LC	22	#:use-module (srfi srfi-64)
7585016f LC	23	#:use-module (ice-9 match))
29fa45f4 LC	24
	25	;; Test the (guix build syscalls) module, although there's not much that can
	26	;; actually be tested without being root.
	27
	28	(test-begin "syscalls")
	29
	30	(test-equal "mount, ENOENT"
	31	ENOENT
	32	(catch 'system-error
	33	(lambda ()
	34	(mount "/dev/null" "/does-not-exist" "ext2")
	35	#f)
	36	(compose system-error-errno list)))
	37
35066aa5	38	(test-assert "umount, ENOENT/EPERM"
29fa45f4 LC	39	(catch 'system-error
	40	(lambda ()
	41	(umount "/does-not-exist")
	42	#f)
35066aa5 LC	43	(lambda args
	44	;; Both return values have been encountered in the wild.
	45	(memv (system-error-errno args) (list EPERM ENOENT)))))
29fa45f4	46
715fc9d4 LC	47	(test-assert "swapon, ENOENT/EPERM"
	48	(catch 'system-error
	49	(lambda ()
	50	(swapon "/does-not-exist")
	51	#f)
	52	(lambda args
	53	(memv (system-error-errno args) (list EPERM ENOENT)))))
	54
2793c0fb	55	(test-assert "swapoff, ENOENT/EINVAL/EPERM"
715fc9d4 LC	56	(catch 'system-error
	57	(lambda ()
	58	(swapoff "/does-not-exist")
	59	#f)
	60	(lambda args
2793c0fb	61	(memv (system-error-errno args) (list EPERM EINVAL ENOENT)))))
715fc9d4	62
4d54785c LC	63	(test-assert "all-network-interfaces"
	64	(match (all-network-interfaces)
	65	(((? string? names) ..1)
	66	(member "lo" names))))
	67
7585016f LC	68	(test-assert "network-interfaces"
	69	(match (network-interfaces)
	70	(((? string? names) ..1)
4d54785c	71	(lset<= string=? names (all-network-interfaces)))))
7585016f	72
973eea34 LC	73	(test-assert "network-interface-flags"
	74	(let* ((sock (socket SOCK_STREAM AF_INET 0))
	75	(flags (network-interface-flags sock "lo")))
	76	(close-port sock)
	77	(and (not (zero? (logand flags IFF_LOOPBACK)))
	78	(not (zero? (logand flags IFF_UP))))))
	79
	80	(test-equal "loopback-network-interface?"
	81	ENODEV
	82	(and (loopback-network-interface? "lo")
	83	(catch 'system-error
	84	(lambda ()
	85	(loopback-network-interface? "nonexistent")
	86	#f)
	87	(lambda args
	88	(system-error-errno args)))))
	89
29fa45f4 LC	90	(test-end)
	91
	92	\f
	93	(exit (= (test-runner-fail-count (test-runner-current)) 0))