guix/tests/syscalls.scm
Ludovic Courtès c9bf64d6d7 syscalls: Add more procedures for network interfaces.
* guix/build/syscalls.scm (sizeof*, type-size, write-type, write-types,
  read-type, read-types, define-c-struct): New macros.
  (SIOCSIFFLAGS, SIOCGIFADDR, SIOCSIFADDR): New variables.
  (sockaddr-in, sockaddr-in6): New C structs.
  (write-socket-address!, read-socket-address,
  set-network-interface-flags, set-network-interface-address,
  network-interface-address, configure-network-interface): New
  procedures.
2014-12-19 17:15:53 +01:00

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;;; 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 "mount-points"
(member "/" (mount-points)))
(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 AF_INET SOCK_STREAM 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-skip (if (zero? (getuid)) 1 0))
(test-equal "set-network-interface-flags"
EPERM
(let ((sock (socket AF_INET SOCK_STREAM 0)))
(catch 'system-error
(lambda ()
(set-network-interface-flags sock "lo" IFF_UP))
(lambda args
(close-port sock)
(system-error-errno args)))))
(test-equal "network-interface-address lo"
(make-socket-address AF_INET (inet-pton AF_INET "127.0.0.1") 0)
(let* ((sock (socket AF_INET SOCK_STREAM 0))
(addr (network-interface-address sock "lo")))
(close-port sock)
addr))
(test-equal "set-network-interface-address"
EPERM
(let ((sock (socket AF_INET SOCK_STREAM 0)))
(catch 'system-error
(lambda ()
(set-network-interface-address sock "nonexistent"
(make-socket-address
AF_INET
(inet-pton AF_INET "127.12.14.15")
0)))
(lambda args
(close-port sock)
(system-error-errno args)))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0))