[jackhill/guix/guix.git] / gnu / tests / base.scm

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017 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 (gnu tests base)
  #:use-module (gnu tests)
  #:use-module (gnu system)
  #:use-module (gnu system grub)
  #:use-module (gnu system file-systems)
  #:use-module (gnu system shadow)
  #:use-module (gnu system nss)
  #:use-module (gnu system vm)
  #:use-module (gnu services)
  #:use-module (gnu services base)
  #:use-module (gnu services dbus)
  #:use-module (gnu services avahi)
  #:use-module (gnu services mcron)
  #:use-module (gnu services shepherd)
  #:use-module (gnu services networking)
  #:use-module (gnu packages imagemagick)
  #:use-module (gnu packages ocr)
  #:use-module (guix gexp)
  #:use-module (guix store)
  #:use-module (guix monads)
  #:use-module (guix packages)
  #:use-module (srfi srfi-1)
  #:export (run-basic-test
            %test-basic-os
            %test-mcron
            %test-nss-mdns))

(define %simple-os
  (operating-system
    (host-name "komputilo")
    (timezone "Europe/Berlin")
    (locale "en_US.UTF-8")

    (bootloader (grub-configuration (device "/dev/sdX")))
    (file-systems (cons (file-system
                          (device "my-root")
                          (title 'label)
                          (mount-point "/")
                          (type "ext4"))
                        %base-file-systems))
    (firmware '())

    (users (cons (user-account
                  (name "alice")
                  (comment "Bob's sister")
                  (group "users")
                  (supplementary-groups '("wheel" "audio" "video"))
                  (home-directory "/home/alice"))
                 %base-user-accounts))))

\f
(define* (run-basic-test os command #:optional (name "basic")
                         #:key initialization)
  "Return a derivation called NAME that tests basic features of the OS started
using COMMAND, a gexp that evaluates to a list of strings.  Compare some
properties of running system to what's declared in OS, an <operating-system>.

When INITIALIZATION is true, it must be a one-argument procedure that is
passed a gexp denoting the marionette, and it must return gexp that is
inserted before the first test.  This is used to introduce an extra
initialization step, such as entering a LUKS passphrase."
  (define test
    (with-imported-modules '((gnu build marionette)
                             (guix build syscalls))
      #~(begin
          (use-modules (gnu build marionette)
                       (guix build syscalls)
                       (srfi srfi-1)
                       (srfi srfi-26)
                       (srfi srfi-64)
                       (ice-9 match))

          (define marionette
            (make-marionette #$command))

          (mkdir #$output)
          (chdir #$output)

          (test-begin "basic")

          #$(and initialization
                 (initialization #~marionette))

          (test-assert "uname"
            (match (marionette-eval '(uname) marionette)
              (#("Linux" host-name version _ architecture)
               (and (string=? host-name
                              #$(operating-system-host-name os))
                    (string-prefix? #$(package-version
                                       (operating-system-kernel os))
                                    version)
                    (string-prefix? architecture %host-type)))))

          (test-assert "shell and user commands"
            ;; Is everything in $PATH?
            (zero? (marionette-eval '(system "
. /etc/profile
set -e -x
guix --version
ls --version
grep --version
info --version")
                                    marionette)))

          (test-assert "accounts"
            (let ((users (marionette-eval '(begin
                                             (use-modules (ice-9 match))
                                             (let loop ((result '()))
                                               (match (getpw)
                                                 (#f (reverse result))
                                                 (x  (loop (cons x result))))))
                                          marionette)))
              (lset= string=?
                     (map passwd:name users)
                     (list
                      #$@(map user-account-name
                              (operating-system-user-accounts os))))))

          (test-assert "shepherd services"
            (let ((services (marionette-eval
                             '(begin
                                (use-modules (gnu services herd))

                                (map (compose car live-service-provision)
                                     (current-services)))
                             marionette)))
              (lset= eq?
                     (pk 'services services)
                     '(root #$@(operating-system-shepherd-service-names os)))))

          (test-equal "login on tty1"
            "root\n"
            (begin
              (marionette-control "sendkey ctrl-alt-f1" marionette)
              ;; Wait for the 'term-tty1' service to be running (using
              ;; 'start-service' is the simplest and most reliable way to do
              ;; that.)
              (marionette-eval
               '(begin
                  (use-modules (gnu services herd))
                  (start-service 'term-tty1))
               marionette)

              ;; Now we can type.
              (marionette-type "root\n\nid -un > logged-in\n" marionette)

              ;; It can take a while before the shell commands are executed.
              (marionette-eval '(use-modules (rnrs io ports)) marionette)
              (marionette-eval
               '(let loop ((i 0))
                  (catch 'system-error
                    (lambda ()
                      (call-with-input-file "/root/logged-in"
                        get-string-all))
                    (lambda args
                      (if (and (< i 15) (= ENOENT (system-error-errno args)))
                          (begin
                            (sleep 1)
                            (loop (+ i 1)))
                          (apply throw args)))))
               marionette)))

          ;; There should be one utmpx entry for the user logged in on tty1.
          (test-equal "utmpx entry"
            '(("root" "tty1" #f))
            (marionette-eval
             '(begin
                (use-modules (guix build syscalls)
                             (srfi srfi-1))

                (filter-map (lambda (entry)
                              (and (equal? (login-type USER_PROCESS)
                                           (utmpx-login-type entry))
                                   (list (utmpx-user entry) (utmpx-line entry)
                                         (utmpx-host entry))))
                            (utmpx-entries)))
             marionette))

          (test-assert "host name resolution"
            (match (marionette-eval
                    '(begin
                       ;; Wait for nscd or our requests go through it.
                       (use-modules (gnu services herd))
                       (start-service 'nscd)

                       (list (getaddrinfo "localhost")
                             (getaddrinfo #$(operating-system-host-name os))))
                    marionette)
              ((((? vector?) ..1) ((? vector?) ..1))
               #t)
              (x
               (pk 'failure x #f))))

          (test-equal "host not found"
            #f
            (marionette-eval
             '(false-if-exception (getaddrinfo "does-not-exist"))
             marionette))

          (test-equal "locale"
            "en_US.utf8"
            (marionette-eval '(let ((before (setlocale LC_ALL "en_US.utf8")))
                                (setlocale LC_ALL before))
                             marionette))

          (test-assert "/run/current-system is a GC root"
            (marionette-eval '(begin
                                ;; Make sure the (guix …) modules are found.
                                (eval-when (expand load eval)
                                  (set! %load-path
                                    (cons
                                     (string-append
                                      "/run/current-system/profile/share/guile/site/"
                                      (effective-version))
                                     %load-path))
                                  (set! %load-compiled-path
                                    (cons
                                     (string-append
                                      "/run/current-system/profile/share/guile/site/"
                                      (effective-version))
                                     %load-compiled-path)))

                                (use-modules (srfi srfi-34) (guix store))

                                (let ((system (readlink "/run/current-system")))
                                  (guard (c ((nix-protocol-error? c)
                                             (file-exists? system)))
                                    (with-store store
                                      (delete-paths store (list system))
                                      #f))))
                             marionette))

          ;; This symlink is currently unused, but better have it point to the
          ;; right place.  See
          ;; <https://lists.gnu.org/archive/html/guix-devel/2016-08/msg01641.html>.
          (test-equal "/var/guix/gcroots/profiles is a valid symlink"
            "/var/guix/profiles"
            (marionette-eval '(readlink "/var/guix/gcroots/profiles")
                             marionette))


          (test-assert "screendump"
            (begin
              (marionette-control (string-append "screendump " #$output
                                                 "/tty1.ppm")
                                  marionette)
              (file-exists? "tty1.ppm")))

          (test-assert "screen text"
            (let ((text (marionette-screen-text marionette
                                                #:ocrad
                                                #$(file-append ocrad
                                                               "/bin/ocrad"))))
              ;; Check whether the welcome message and shell prompt are
              ;; displayed.  Note: OCR confuses "y" and "V" for instance, so
              ;; we cannot reliably match the whole text.
              (and (string-contains text "This is the GNU")
                   (string-contains text
                                    (string-append
                                     "root@"
                                     #$(operating-system-host-name os))))))

          (test-end)
          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))

  (gexp->derivation name test))

(define %test-basic-os
  (system-test
   (name "basic")
   (description
    "Instrument %SIMPLE-OS, run it in a VM, and run a series of basic
functionality tests.")
   (value
    (mlet* %store-monad ((os -> (marionette-operating-system
                                 %simple-os
                                 #:imported-modules '((gnu services herd)
                                                      (guix combinators))))
                         (run   (system-qemu-image/shared-store-script
                                 os #:graphic? #f)))
      ;; XXX: Add call to 'virtualized-operating-system' to get the exact same
      ;; set of services as the OS produced by
      ;; 'system-qemu-image/shared-store-script'.
      (run-basic-test (virtualized-operating-system os '())
                      #~(list #$run))))))

\f
;;;
;;; Mcron.
;;;

(define %mcron-os
  ;; System with an mcron service, with one mcron job for "root" and one mcron
  ;; job for an unprivileged user (note: #:user is an 'mcron2' thing.)
  (let ((job1 #~(job next-second-from
                     (lambda ()
                       (call-with-output-file "witness"
                         (lambda (port)
                           (display (list (getuid) (getgid)) port))))))
        (job2 #~(job next-second-from
                     (lambda ()
                       (call-with-output-file "witness"
                         (lambda (port)
                           (display (list (getuid) (getgid)) port))))
                     #:user "alice"))
        (job3 #~(job next-second-from             ;to test $PATH
                     "touch witness-touch")))
    (operating-system
      (inherit %simple-os)
      (services (cons (mcron-service (list job1 job2 job3))
                      (operating-system-user-services %simple-os))))))

(define (run-mcron-test name)
  (mlet* %store-monad ((os ->   (marionette-operating-system
                                 %mcron-os
                                 #:imported-modules '((gnu services herd)
                                                      (guix combinators))))
                       (command (system-qemu-image/shared-store-script
                                 os #:graphic? #f)))
    (define test
      (with-imported-modules '((gnu build marionette))
        #~(begin
            (use-modules (gnu build marionette)
                         (srfi srfi-64)
                         (ice-9 match))

            (define marionette
              (make-marionette (list #$command)))

            (define (wait-for-file file)
              ;; Wait until FILE exists in the guest; 'read' its content and
              ;; return it.
              (marionette-eval
               `(let loop ((i 10))
                  (cond ((file-exists? ,file)
                         (call-with-input-file ,file read))
                        ((> i 0)
                         (sleep 1)
                         (loop (- i 1)))
                        (else
                         (error "file didn't show up" ,file))))
               marionette))

            (mkdir #$output)
            (chdir #$output)

            (test-begin "mcron")

            (test-eq "service running"
              'running!
              (marionette-eval
               '(begin
                  (use-modules (gnu services herd))
                  (start-service 'mcron)
                  'running!)
               marionette))

            ;; Make sure root's mcron job runs, has its cwd set to "/root", and
            ;; runs with the right UID/GID.
            (test-equal "root's job"
              '(0 0)
              (wait-for-file "/root/witness"))

            ;; Likewise for Alice's job.  We cannot know what its GID is since
            ;; it's chosen by 'groupadd', but it's strictly positive.
            (test-assert "alice's job"
              (match (wait-for-file "/home/alice/witness")
                ((1000 gid)
                 (>= gid 100))))

            ;; Last, the job that uses a command; allows us to test whether
            ;; $PATH is sane.  (Note that 'marionette-eval' stringifies objects
            ;; that don't have a read syntax, hence the string.)
            (test-equal "root's job with command"
              "#<eof>"
              (wait-for-file "/root/witness-touch"))

            (test-end)
            (exit (= (test-runner-fail-count (test-runner-current)) 0)))))

    (gexp->derivation name test)))

(define %test-mcron
  (system-test
   (name "mcron")
   (description "Make sure the mcron service works as advertised.")
   (value (run-mcron-test name))))

\f
;;;
;;; Avahi and NSS-mDNS.
;;;

(define %avahi-os
  (operating-system
    (inherit %simple-os)
    (name-service-switch %mdns-host-lookup-nss)
    (services (cons* (avahi-service #:debug? #t)
                     (dbus-service)
                     (dhcp-client-service)        ;needed for multicast

                     ;; Enable heavyweight debugging output.
                     (modify-services (operating-system-user-services
                                       %simple-os)
                       (nscd-service-type config
                                          => (nscd-configuration
                                              (inherit config)
                                              (debug-level 3)
                                              (log-file "/dev/console")))
                       (syslog-service-type config
                                            =>
                                            (syslog-configuration
                                             (inherit config)
                                             (config-file
                                              (plain-file
                                               "syslog.conf"
                                               "*.* /dev/console\n")))))))))

(define (run-nss-mdns-test)
  ;; Test resolution of '.local' names via libc.  Start the marionette service
  ;; *after* nscd.  Failing to do that, libc will try to connect to nscd,
  ;; fail, then never try again (see '__nss_not_use_nscd_hosts' in libc),
  ;; leading to '.local' resolution failures.
  (mlet* %store-monad ((os -> (marionette-operating-system
                               %avahi-os
                               #:requirements '(nscd)
                               #:imported-modules '((gnu services herd)
                                                    (guix combinators))))
                       (run   (system-qemu-image/shared-store-script
                               os #:graphic? #f)))
    (define mdns-host-name
      (string-append (operating-system-host-name os)
                     ".local"))

    (define test
      (with-imported-modules '((gnu build marionette))
        #~(begin
            (use-modules (gnu build marionette)
                         (srfi srfi-1)
                         (srfi srfi-64)
                         (ice-9 match))

            (define marionette
              (make-marionette (list #$run)))

            (mkdir #$output)
            (chdir #$output)

            (test-begin "avahi")

            (test-assert "wait for services"
              (marionette-eval
               '(begin
                  (use-modules (gnu services herd))

                  (start-service 'nscd)

                  ;; XXX: Work around a race condition in nscd: nscd creates its
                  ;; PID file before it is listening on its socket.
                  (let ((sock (socket PF_UNIX SOCK_STREAM 0)))
                    (let try ()
                      (catch 'system-error
                        (lambda ()
                          (connect sock AF_UNIX "/var/run/nscd/socket")
                          (close-port sock)
                          (format #t "nscd is ready~%"))
                        (lambda args
                          (format #t "waiting for nscd...~%")
                          (usleep 500000)
                          (try)))))

                  ;; Wait for the other useful things.
                  (start-service 'avahi-daemon)
                  (start-service 'networking)

                  #t)
               marionette))

            (test-equal "avahi-resolve-host-name"
              0
              (marionette-eval
               '(system*
                 "/run/current-system/profile/bin/avahi-resolve-host-name"
                 "-v" #$mdns-host-name)
               marionette))

            (test-equal "avahi-browse"
              0
              (marionette-eval
               '(system* "avahi-browse" "-avt")
               marionette))

            (test-assert "getaddrinfo .local"
              ;; Wait for the 'avahi-daemon' service and perform a resolution.
              (match (marionette-eval
                      '(getaddrinfo #$mdns-host-name)
                      marionette)
                (((? vector? addrinfos) ..1)
                 (pk 'getaddrinfo addrinfos)
                 (and (any (lambda (ai)
                             (= AF_INET (addrinfo:fam ai)))
                           addrinfos)
                      (any (lambda (ai)
                             (= AF_INET6 (addrinfo:fam ai)))
                           addrinfos)))))

            (test-assert "gethostbyname .local"
              (match (pk 'gethostbyname
                         (marionette-eval '(gethostbyname #$mdns-host-name)
                                          marionette))
                ((? vector? result)
                 (and (string=? (hostent:name result) #$mdns-host-name)
                      (= (hostent:addrtype result) AF_INET)))))


            (test-end)
            (exit (= (test-runner-fail-count (test-runner-current)) 0)))))

    (gexp->derivation "nss-mdns" test)))

(define %test-nss-mdns
  (system-test
   (name "nss-mdns")
   (description
    "Test Avahi's multicast-DNS implementation, and in particular, test its
glibc name service switch (NSS) module.")
   (value (run-nss-mdns-test))))
Commit	Line	Data
e9f693d0	1	;;; GNU Guix --- Functional package management for GNU
caa78166	2	;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
e9f693d0 LC	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 (gnu tests base)
	20	#:use-module (gnu tests)
	21	#:use-module (gnu system)
	22	#:use-module (gnu system grub)
	23	#:use-module (gnu system file-systems)
	24	#:use-module (gnu system shadow)
d2fa61bc	25	#:use-module (gnu system nss)
e9f693d0 LC	26	#:use-module (gnu system vm)
e9f693d0 LC	27	#:use-module (gnu services)
d2fa61bc LC	28	#:use-module (gnu services base)
	29	#:use-module (gnu services dbus)
	30	#:use-module (gnu services avahi)
c311089b	31	#:use-module (gnu services mcron)
e9f693d0	32	#:use-module (gnu services shepherd)
d2fa61bc	33	#:use-module (gnu services networking)
fe933833 LC	34	#:use-module (gnu packages imagemagick)
fe933833 LC	35	#:use-module (gnu packages ocr)
e9f693d0 LC	36	#:use-module (guix gexp)
	37	#:use-module (guix store)
	38	#:use-module (guix monads)
	39	#:use-module (guix packages)
	40	#:use-module (srfi srfi-1)
e3de272a	41	#:export (run-basic-test
c311089b	42	%test-basic-os
d2fa61bc LC	43	%test-mcron
d2fa61bc LC	44	%test-nss-mdns))
e9f693d0 LC	45
	46	(define %simple-os
	47	(operating-system
	48	(host-name "komputilo")
	49	(timezone "Europe/Berlin")
	50	(locale "en_US.UTF-8")
	51
	52	(bootloader (grub-configuration (device "/dev/sdX")))
	53	(file-systems (cons (file-system
	54	(device "my-root")
	55	(title 'label)
	56	(mount-point "/")
	57	(type "ext4"))
	58	%base-file-systems))
	59	(firmware '())
	60
	61	(users (cons (user-account
	62	(name "alice")
	63	(comment "Bob's sister")
	64	(group "users")
	65	(supplementary-groups '("wheel" "audio" "video"))
	66	(home-directory "/home/alice"))
	67	%base-user-accounts))))
	68
	69	\f
f7f292d3 LC	70	(define* (run-basic-test os command #:optional (name "basic")
f7f292d3 LC	71	#:key initialization)
e3de272a LC	72	"Return a derivation called NAME that tests basic features of the OS started
e3de272a LC	73	using COMMAND, a gexp that evaluates to a list of strings. Compare some
f7f292d3 LC	74	properties of running system to what's declared in OS, an <operating-system>.
	75
	76	When INITIALIZATION is true, it must be a one-argument procedure that is
	77	passed a gexp denoting the marionette, and it must return gexp that is
	78	inserted before the first test. This is used to introduce an extra
	79	initialization step, such as entering a LUKS passphrase."
e3de272a	80	(define test
caa78166 LC	81	(with-imported-modules '((gnu build marionette)
caa78166 LC	82	(guix build syscalls))
4ee96a79 LC	83	#~(begin
4ee96a79 LC	84	(use-modules (gnu build marionette)
caa78166	85	(guix build syscalls)
4ee96a79 LC	86	(srfi srfi-1)
	87	(srfi srfi-26)
	88	(srfi srfi-64)
	89	(ice-9 match))
	90
	91	(define marionette
	92	(make-marionette #$command))
	93
	94	(mkdir #$output)
	95	(chdir #$output)
	96
	97	(test-begin "basic")
	98
f7f292d3 LC	99	#$(and initialization
	100	(initialization #~marionette))
	101
4ee96a79 LC	102	(test-assert "uname"
	103	(match (marionette-eval '(uname) marionette)
	104	(#("Linux" host-name version _ architecture)
	105	(and (string=? host-name
	106	#$(operating-system-host-name os))
	107	(string-prefix? #$(package-version
	108	(operating-system-kernel os))
	109	version)
	110	(string-prefix? architecture %host-type)))))
	111
	112	(test-assert "shell and user commands"
	113	;; Is everything in $PATH?
	114	(zero? (marionette-eval '(system "
e3de272a LC	115	. /etc/profile
	116	set -e -x
	117	guix --version
	118	ls --version
	119	grep --version
	120	info --version")
4ee96a79 LC	121	marionette)))
	122
	123	(test-assert "accounts"
	124	(let ((users (marionette-eval '(begin
	125	(use-modules (ice-9 match))
	126	(let loop ((result '()))
	127	(match (getpw)
	128	(#f (reverse result))
	129	(x (loop (cons x result))))))
	130	marionette)))
	131	(lset= string=?
	132	(map passwd:name users)
	133	(list
	134	#$@(map user-account-name
	135	(operating-system-user-accounts os))))))
	136
	137	(test-assert "shepherd services"
183605c8 LC	138	(let ((services (marionette-eval
	139	'(begin
	140	(use-modules (gnu services herd))
	141
	142	(map (compose car live-service-provision)
	143	(current-services)))
	144	marionette)))
4ee96a79 LC	145	(lset= eq?
	146	(pk 'services services)
	147	'(root #$@(operating-system-shepherd-service-names os)))))
	148
	149	(test-equal "login on tty1"
	150	"root\n"
	151	(begin
	152	(marionette-control "sendkey ctrl-alt-f1" marionette)
	153	;; Wait for the 'term-tty1' service to be running (using
	154	;; 'start-service' is the simplest and most reliable way to do
	155	;; that.)
	156	(marionette-eval
	157	'(begin
	158	(use-modules (gnu services herd))
	159	(start-service 'term-tty1))
	160	marionette)
	161
	162	;; Now we can type.
	163	(marionette-type "root\n\nid -un > logged-in\n" marionette)
	164
	165	;; It can take a while before the shell commands are executed.
4ee96a79	166	(marionette-eval '(use-modules (rnrs io ports)) marionette)
056d0b40 LC	167	(marionette-eval
	168	'(let loop ((i 0))
	169	(catch 'system-error
	170	(lambda ()
	171	(call-with-input-file "/root/logged-in"
	172	get-string-all))
	173	(lambda args
	174	(if (and (< i 15) (= ENOENT (system-error-errno args)))
	175	(begin
	176	(sleep 1)
	177	(loop (+ i 1)))
	178	(apply throw args)))))
	179	marionette)))
4ee96a79	180
caa78166 LC	181	;; There should be one utmpx entry for the user logged in on tty1.
	182	(test-equal "utmpx entry"
	183	'(("root" "tty1" #f))
	184	(marionette-eval
	185	'(begin
	186	(use-modules (guix build syscalls)
	187	(srfi srfi-1))
	188
	189	(filter-map (lambda (entry)
	190	(and (equal? (login-type USER_PROCESS)
	191	(utmpx-login-type entry))
	192	(list (utmpx-user entry) (utmpx-line entry)
	193	(utmpx-host entry))))
	194	(utmpx-entries)))
	195	marionette))
	196
4ee96a79 LC	197	(test-assert "host name resolution"
	198	(match (marionette-eval
	199	'(begin
	200	;; Wait for nscd or our requests go through it.
	201	(use-modules (gnu services herd))
	202	(start-service 'nscd)
	203
	204	(list (getaddrinfo "localhost")
	205	(getaddrinfo #$(operating-system-host-name os))))
	206	marionette)
	207	((((? vector?) ..1) ((? vector?) ..1))
	208	#t)
	209	(x
	210	(pk 'failure x #f))))
	211
	212	(test-equal "host not found"
	213	#f
e3de272a	214	(marionette-eval
4ee96a79 LC	215	'(false-if-exception (getaddrinfo "does-not-exist"))
	216	marionette))
	217
ab3a6450 LC	218	(test-equal "locale"
ab3a6450 LC	219	"en_US.utf8"
cc73339b LC	220	(marionette-eval '(let ((before (setlocale LC_ALL "en_US.utf8")))
cc73339b LC	221	(setlocale LC_ALL before))
ab3a6450 LC	222	marionette))
ab3a6450 LC	223
40d28609 LC	224	(test-assert "/run/current-system is a GC root"
	225	(marionette-eval '(begin
	226	;; Make sure the (guix …) modules are found.
	227	(eval-when (expand load eval)
	228	(set! %load-path
	229	(cons
	230	(string-append
	231	"/run/current-system/profile/share/guile/site/"
	232	(effective-version))
	233	%load-path))
	234	(set! %load-compiled-path
	235	(cons
	236	(string-append
	237	"/run/current-system/profile/share/guile/site/"
	238	(effective-version))
	239	%load-compiled-path)))
	240
	241	(use-modules (srfi srfi-34) (guix store))
	242
	243	(let ((system (readlink "/run/current-system")))
	244	(guard (c ((nix-protocol-error? c)
	245	(file-exists? system)))
	246	(with-store store
	247	(delete-paths store (list system))
	248	#f))))
	249	marionette))
	250
334bda9a LC	251	;; This symlink is currently unused, but better have it point to the
	252	;; right place. See
	253	;; <https://lists.gnu.org/archive/html/guix-devel/2016-08/msg01641.html>.
	254	(test-equal "/var/guix/gcroots/profiles is a valid symlink"
	255	"/var/guix/profiles"
	256	(marionette-eval '(readlink "/var/guix/gcroots/profiles")
	257	marionette))
	258
	259
4ee96a79 LC	260	(test-assert "screendump"
	261	(begin
	262	(marionette-control (string-append "screendump " #$output
	263	"/tty1.ppm")
	264	marionette)
	265	(file-exists? "tty1.ppm")))
	266
fe933833 LC	267	(test-assert "screen text"
	268	(let ((text (marionette-screen-text marionette
	269	#:ocrad
	270	#$(file-append ocrad
	271	"/bin/ocrad"))))
	272	;; Check whether the welcome message and shell prompt are
	273	;; displayed. Note: OCR confuses "y" and "V" for instance, so
	274	;; we cannot reliably match the whole text.
	275	(and (string-contains text "This is the GNU")
	276	(string-contains text
	277	(string-append
	278	"root@"
	279	#$(operating-system-host-name os))))))
	280
4ee96a79 LC	281	(test-end)
	282	(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
	283
	284	(gexp->derivation name test))
e3de272a	285
e9f693d0	286	(define %test-basic-os
98b65b5f LC	287	(system-test
	288	(name "basic")
	289	(description
125af57e	290	"Instrument %SIMPLE-OS, run it in a VM, and run a series of basic
98b65b5f LC	291	functionality tests.")
	292	(value
	293	(mlet* %store-monad ((os -> (marionette-operating-system
	294	%simple-os
	295	#:imported-modules '((gnu services herd)
	296	(guix combinators))))
	297	(run (system-qemu-image/shared-store-script
	298	os #:graphic? #f)))
	299	;; XXX: Add call to 'virtualized-operating-system' to get the exact same
	300	;; set of services as the OS produced by
	301	;; 'system-qemu-image/shared-store-script'.
	302	(run-basic-test (virtualized-operating-system os '())
	303	#~(list #$run))))))
c311089b LC	304
	305	\f
	306	;;;
	307	;;; Mcron.
	308	;;;
	309
	310	(define %mcron-os
	311	;; System with an mcron service, with one mcron job for "root" and one mcron
	312	;; job for an unprivileged user (note: #:user is an 'mcron2' thing.)
	313	(let ((job1 #~(job next-second-from
	314	(lambda ()
	315	(call-with-output-file "witness"
	316	(lambda (port)
	317	(display (list (getuid) (getgid)) port))))))
	318	(job2 #~(job next-second-from
	319	(lambda ()
	320	(call-with-output-file "witness"
	321	(lambda (port)
	322	(display (list (getuid) (getgid)) port))))
	323	#:user "alice"))
	324	(job3 #~(job next-second-from ;to test $PATH
	325	"touch witness-touch")))
	326	(operating-system
	327	(inherit %simple-os)
	328	(services (cons (mcron-service (list job1 job2 job3))
	329	(operating-system-user-services %simple-os))))))
	330
	331	(define (run-mcron-test name)
	332	(mlet* %store-monad ((os -> (marionette-operating-system
	333	%mcron-os
	334	#:imported-modules '((gnu services herd)
	335	(guix combinators))))
	336	(command (system-qemu-image/shared-store-script
	337	os #:graphic? #f)))
	338	(define test
4ee96a79 LC	339	(with-imported-modules '((gnu build marionette))
	340	#~(begin
	341	(use-modules (gnu build marionette)
	342	(srfi srfi-64)
	343	(ice-9 match))
	344
	345	(define marionette
	346	(make-marionette (list #$command)))
	347
	348	(define (wait-for-file file)
	349	;; Wait until FILE exists in the guest; 'read' its content and
	350	;; return it.
	351	(marionette-eval
	352	`(let loop ((i 10))
	353	(cond ((file-exists? ,file)
	354	(call-with-input-file ,file read))
	355	((> i 0)
	356	(sleep 1)
	357	(loop (- i 1)))
	358	(else
	359	(error "file didn't show up" ,file))))
	360	marionette))
	361
	362	(mkdir #$output)
	363	(chdir #$output)
	364
	365	(test-begin "mcron")
	366
	367	(test-eq "service running"
	368	'running!
	369	(marionette-eval
	370	'(begin
	371	(use-modules (gnu services herd))
	372	(start-service 'mcron)
	373	'running!)
	374	marionette))
	375
	376	;; Make sure root's mcron job runs, has its cwd set to "/root", and
	377	;; runs with the right UID/GID.
	378	(test-equal "root's job"
	379	'(0 0)
	380	(wait-for-file "/root/witness"))
	381
	382	;; Likewise for Alice's job. We cannot know what its GID is since
	383	;; it's chosen by 'groupadd', but it's strictly positive.
	384	(test-assert "alice's job"
	385	(match (wait-for-file "/home/alice/witness")
	386	((1000 gid)
	387	(>= gid 100))))
	388
	389	;; Last, the job that uses a command; allows us to test whether
	390	;; $PATH is sane. (Note that 'marionette-eval' stringifies objects
	391	;; that don't have a read syntax, hence the string.)
	392	(test-equal "root's job with command"
	393	"#<eof>"
	394	(wait-for-file "/root/witness-touch"))
	395
	396	(test-end)
	397	(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
	398
	399	(gexp->derivation name test)))
c311089b LC	400
	401	(define %test-mcron
	402	(system-test
	403	(name "mcron")
	404	(description "Make sure the mcron service works as advertised.")
	405	(value (run-mcron-test name))))
d2fa61bc LC	406
	407	\f
	408	;;;
	409	;;; Avahi and NSS-mDNS.
	410	;;;
	411
	412	(define %avahi-os
	413	(operating-system
	414	(inherit %simple-os)
	415	(name-service-switch %mdns-host-lookup-nss)
	416	(services (cons* (avahi-service #:debug? #t)
	417	(dbus-service)
	418	(dhcp-client-service) ;needed for multicast
	419
	420	;; Enable heavyweight debugging output.
	421	(modify-services (operating-system-user-services
	422	%simple-os)
	423	(nscd-service-type config
	424	=> (nscd-configuration
	425	(inherit config)
	426	(debug-level 3)
	427	(log-file "/dev/console")))
	428	(syslog-service-type config
	429	=>
ec2e2f6c DC	430	(syslog-configuration
	431	(inherit config)
	432	(config-file
	433	(plain-file
	434	"syslog.conf"
	435	". /dev/console\n")))))))))
d2fa61bc LC	436
	437	(define (run-nss-mdns-test)
	438	;; Test resolution of '.local' names via libc. Start the marionette service
	439	;; after nscd. Failing to do that, libc will try to connect to nscd,
	440	;; fail, then never try again (see '__nss_not_use_nscd_hosts' in libc),
	441	;; leading to '.local' resolution failures.
	442	(mlet* %store-monad ((os -> (marionette-operating-system
	443	%avahi-os
	444	#:requirements '(nscd)
	445	#:imported-modules '((gnu services herd)
	446	(guix combinators))))
	447	(run (system-qemu-image/shared-store-script
	448	os #:graphic? #f)))
	449	(define mdns-host-name
	450	(string-append (operating-system-host-name os)
	451	".local"))
	452
	453	(define test
4ee96a79 LC	454	(with-imported-modules '((gnu build marionette))
	455	#~(begin
	456	(use-modules (gnu build marionette)
	457	(srfi srfi-1)
	458	(srfi srfi-64)
	459	(ice-9 match))
	460
	461	(define marionette
	462	(make-marionette (list #$run)))
	463
	464	(mkdir #$output)
	465	(chdir #$output)
	466
	467	(test-begin "avahi")
	468
	469	(test-assert "wait for services"
	470	(marionette-eval
	471	'(begin
	472	(use-modules (gnu services herd))
	473
	474	(start-service 'nscd)
	475
	476	;; XXX: Work around a race condition in nscd: nscd creates its
	477	;; PID file before it is listening on its socket.
	478	(let ((sock (socket PF_UNIX SOCK_STREAM 0)))
	479	(let try ()
	480	(catch 'system-error
	481	(lambda ()
	482	(connect sock AF_UNIX "/var/run/nscd/socket")
	483	(close-port sock)
	484	(format #t "nscd is ready~%"))
	485	(lambda args
	486	(format #t "waiting for nscd...~%")
	487	(usleep 500000)
	488	(try)))))
	489
	490	;; Wait for the other useful things.
	491	(start-service 'avahi-daemon)
	492	(start-service 'networking)
	493
	494	#t)
	495	marionette))
	496
	497	(test-equal "avahi-resolve-host-name"
	498	0
	499	(marionette-eval
	500	'(system*
	501	"/run/current-system/profile/bin/avahi-resolve-host-name"
	502	"-v" #$mdns-host-name)
	503	marionette))
	504
	505	(test-equal "avahi-browse"
	506	0
	507	(marionette-eval
	508	'(system* "avahi-browse" "-avt")
	509	marionette))
	510
	511	(test-assert "getaddrinfo .local"
	512	;; Wait for the 'avahi-daemon' service and perform a resolution.
	513	(match (marionette-eval
	514	'(getaddrinfo #$mdns-host-name)
	515	marionette)
	516	(((? vector? addrinfos) ..1)
	517	(pk 'getaddrinfo addrinfos)
518	(and (any (lambda (ai)
519	(= AF_INET (addrinfo:fam ai)))
520	addrinfos)
521	(any (lambda (ai)
522	(= AF_INET6 (addrinfo:fam ai)))
523	addrinfos)))))
524
525	(test-assert "gethostbyname .local"
526	(match (pk 'gethostbyname
527	(marionette-eval '(gethostbyname #$mdns-host-name)
528	marionette))
529	((? vector? result)
530	(and (string=? (hostent:name result) #$mdns-host-name)
531	(= (hostent:addrtype result) AF_INET)))))
532
533
534	(test-end)
535	(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
536
537	(gexp->derivation "nss-mdns" test)))
d2fa61bc LC	538
	539	(define %test-nss-mdns
	540	(system-test
	541	(name "nss-mdns")
	542	(description
	543	"Test Avahi's multicast-DNS implementation, and in particular, test its
	544	glibc name service switch (NSS) module.")
	545	(value (run-nss-mdns-test))))