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

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015-2019, 2022 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-services)
  #:use-module (gnu services)
  #:use-module (gnu services herd)
  #:use-module (gnu services shepherd)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:use-module (srfi srfi-34)
  #:use-module (srfi srfi-64)
  #:use-module (ice-9 match))

(test-begin "services")

(test-equal "services, default value"
  '(42 123 234 error)
  (let* ((t1 (service-type (name 't1) (extensions '())
                           (description "")))
         (t2 (service-type (name 't2) (extensions '())
                           (description "")
                           (default-value 42))))
    (list (service-value (service t2))
          (service-value (service t2 123))
          (service-value (service t1 234))
          (guard (c ((missing-value-service-error? c) 'error))
            (service t1)))))

(test-assert "service-back-edges"
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")
                           (compose +) (extend *)))
         (t2 (service-type (name 't2) (description "")
                           (extensions
                            (list (service-extension t1 (const '()))))
                           (compose +) (extend *)))
         (t3 (service-type (name 't3) (description "")
                           (extensions
                            (list (service-extension t2 identity)
                                  (service-extension t1 list)))))
         (s1 (service t1 #t))
         (s2 (service t2 #t))
         (s3 (service t3 #t))
         (e  (service-back-edges (list s1 s2 s3))))
    (and (lset= eq? (e s1) (list s2 s3))
         (lset= eq? (e s2) (list s3))
         (null? (e s3)))))

(test-equal "fold-services"
  ;; Make sure 'fold-services' returns the right result.  The numbers come
  ;; from services of type T3; 'xyz 60' comes from the service of type T2,
  ;; where 60 = 15 × 4 = (1 + 2 + 3 + 4 + 5) × 4.
  '(initial-value 5 4 3 2 1 xyz 60)
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")
                           (compose concatenate)
                           (extend cons)))
         (t2 (service-type (name 't2) (description "")
                           (extensions
                            (list (service-extension t1
                                                     (cut list 'xyz <>))))
                           (compose (cut reduce + 0 <>))
                           (extend *)))
         (t3 (service-type (name 't3) (description "")
                           (extensions
                            (list (service-extension t2 identity)
                                  (service-extension t1 list)))))
         (r  (fold-services (cons* (service t1 'initial-value)
                                   (service t2 4)
                                   (map (lambda (x)
                                          (service t3 x))
                                        (iota 5 1)))
                            #:target-type t1)))
    (and (eq? (service-kind r) t1)
         (service-value r))))

(test-assert "fold-services, ambiguity"
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")
                           (compose concatenate)
                           (extend cons)))
         (t2 (service-type (name 't2) (description "")
                           (extensions
                            (list (service-extension t1 list)))))
         (s  (service t2 42)))
    (guard (c ((ambiguous-target-service-error? c)
               (and (eq? (ambiguous-target-service-error-target-type c)
                         t1)
                    (eq? (ambiguous-target-service-error-service c)
                         s))))
      (fold-services (list (service t1 'first)
                           (service t1 'second)
                           s)
                     #:target-type t1)
      #f)))

(test-assert "fold-services, missing target"
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")))
         (t2 (service-type (name 't2) (description "")
                           (extensions
                            (list (service-extension t1 list)))))
         (s  (service t2 42)))
    (guard (c ((missing-target-service-error? c)
               (and (eq? (missing-target-service-error-target-type c)
                         t1)
                    (eq? (missing-target-service-error-service c)
                         s))))
      (fold-services (list s) #:target-type t1)
      #f)))

(test-assert "instantiate-missing-services"
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")
                           (default-value 'dflt)
                           (compose concatenate)
                           (extend cons)))
         (t2 (service-type (name 't2) (description "")
                           (extensions
                            (list (service-extension t1 list)))))
         (s1 (service t1 'hey!))
         (s2 (service t2 42)))
    (and (lset= equal?
                (list (service t1) s2)
                (instantiate-missing-services (list s2)))
         (equal? (list s1 s2)
                 (instantiate-missing-services (list s1 s2))))))

(test-assert "instantiate-missing-services, indirect"
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")
                           (default-value 'dflt)
                           (compose concatenate)
                           (extend cons)))
         (t2 (service-type (name 't2) (description "")
                           (default-value 'dflt2)
                           (compose concatenate)
                           (extend cons)
                           (extensions
                            (list (service-extension t1 list)))))
         (t3 (service-type (name 't3) (description "")
                           (extensions
                            (list (service-extension t2 list)))))
         (s1 (service t1))
         (s2 (service t2))
         (s3 (service t3 42))
         (== (cut lset= equal? <...>)))
    (and (== (list s1 s2 s3)
             (instantiate-missing-services (list s3)))
         (== (list s1 s2 s3)
             (instantiate-missing-services (list s1 s3)))
         (== (list s1 s2 s3)
             (instantiate-missing-services (list s2 s3))))))

(test-assert "instantiate-missing-services, no default value"
  (let* ((t1 (service-type (name 't1) (extensions '()) (description "")))
         (t2 (service-type (name 't2) (description "")
                           (extensions
                            (list (service-extension t1 list)))))
         (s  (service t2 42)))
    (guard (c ((missing-target-service-error? c)
               (and (eq? (missing-target-service-error-target-type c)
                         t1)
                    (eq? (missing-target-service-error-service c)
                         s))))
      (instantiate-missing-services (list s))
      #f)))

(test-assert "shepherd-service-lookup-procedure"
  (let* ((s1 (shepherd-service (provision '(s1 s1b)) (start #f)))
         (s2 (shepherd-service (provision '(s2 s2b)) (start #f)))
         (s3 (shepherd-service (provision '(s3 s3b s3c)) (start #f)))
         (lookup (shepherd-service-lookup-procedure (list s1 s2 s3))))
    (and (eq? (lookup 's1) (lookup 's1b) s1)
         (eq? (lookup 's2) (lookup 's2b) s2)
         (eq? (lookup 's3) (lookup 's3b) s3))))

(test-assert "shepherd-service-back-edges"
  (let* ((s1 (shepherd-service (provision '(s1)) (start #f)))
         (s2 (shepherd-service (provision '(s2))
                               (requirement '(s1))
                               (start #f)))
         (s3 (shepherd-service (provision '(s3))
                               (requirement '(s1 s2))
                               (start #f)))
         (e  (shepherd-service-back-edges (list s1 s2 s3))))
    (and (lset= eq? (e s1) (list s2 s3))
         (lset= eq? (e s2) (list s3))
         (null? (e s3)))))

(test-equal "shepherd-service-upgrade: nothing to do"
  '(() ())
  (call-with-values
      (lambda ()
        (shepherd-service-upgrade '() '()))
    list))

(test-equal "shepherd-service-upgrade: one unchanged, one upgraded, one new"
  '(()                                            ;unload
    ((foo)))                                      ;restart
  (call-with-values
      (lambda ()
        ;; Here 'foo' is replaced and must be explicitly restarted later
        ;; because it is still running, whereas 'bar' is upgraded right away
        ;; because it is not currently running.  'baz' is loaded because it's
        ;; a new service.
        (shepherd-service-upgrade
         (list (live-service '(foo) '() #f #t)
               (live-service '(bar) '() #f #f)
               (live-service '(root) '() #f #t))     ;essential!
         (list (shepherd-service (provision '(foo))
                                 (start #t))
               (shepherd-service (provision '(bar))
                                 (start #t))
               (shepherd-service (provision '(baz))
                                 (start #t)))))
    (lambda (unload restart)
      (list (map live-service-provision unload)
            (map shepherd-service-provision restart)))))

(test-equal "shepherd-service-upgrade: service depended on is not unloaded"
  '(((baz))                                       ;unload
    ((foo)))                                      ;restart
  (call-with-values
      (lambda ()
        ;; Service 'bar' is not among the target services; yet, it must not be
        ;; unloaded because 'foo' depends on it.  'foo' gets replaced but it
        ;; must be restarted manually.
        (shepherd-service-upgrade
         (list (live-service '(foo) '(bar) #f #t)
               (live-service '(bar) '() #f #t)    ;still used!
               (live-service '(baz) '() #f #t))
         (list (shepherd-service (provision '(foo))
                                 (start #t)))))
    (lambda (unload restart)
      (list (map live-service-provision unload)
            (map shepherd-service-provision restart)))))

(test-equal "shepherd-service-upgrade: obsolete services that depend on each other"
  '(((foo) (bar) (baz))                           ;unload
    ())                                           ;restart
  (call-with-values
      (lambda ()
        ;; 'foo', 'bar', and 'baz' depend on each other, but all of them are
        ;; obsolete, and thus should be unloaded.
        (shepherd-service-upgrade
         (list (live-service '(foo) '(bar) #f #t) ;obsolete
               (live-service '(bar) '(baz) #f #t) ;obsolete
               (live-service '(baz) '() #f #t))   ;obsolete
         (list (shepherd-service (provision '(qux))
                                 (start #t)))))
    (lambda (unload restart)
      (list (map live-service-provision unload)
            (map shepherd-service-provision restart)))))

(test-equal "shepherd-service-upgrade: transient service"
  ;; Transient service must not be unloaded:
  ;; <https://issues.guix.gnu.org/54812>.
  '(((foo))                                       ;unload
    ((qux)))                                      ;restart
  (call-with-values
      (lambda ()
        (shepherd-service-upgrade
         (list (live-service '(sshd-42) '() #t 42) ;transient
               (live-service '(foo) '() #f #t)     ;obsolete
               (live-service '(qux) '() #f #t))    ;running
         (list (shepherd-service (provision '(qux))
                                 (start #t)))))
    (lambda (unload restart)
      (list (map live-service-provision unload)
            (map shepherd-service-provision restart)))))

(test-eq "lookup-service-types"
  system-service-type
  (and (null? (lookup-service-types 'does-not-exist-at-all))
       (match (lookup-service-types 'system)
         ((one) one)
         (x x))))

(test-end)
Commit	Line	Data
0adfe95a	1	;;; GNU Guix --- Functional package management for GNU
e25eca35	2	;;; Copyright © 2015-2019, 2022 Ludovic Courtès <ludo@gnu.org>
0adfe95a 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 (test-services)
	20	#:use-module (gnu services)
7b44cae5	21	#:use-module (gnu services herd)
0190c1c0	22	#:use-module (gnu services shepherd)
0adfe95a LC	23	#:use-module (srfi srfi-1)
	24	#:use-module (srfi srfi-26)
	25	#:use-module (srfi srfi-34)
49483f71 LC	26	#:use-module (srfi srfi-64)
49483f71 LC	27	#:use-module (ice-9 match))
0adfe95a LC	28
	29	(test-begin "services")
	30
1bb895ea LC	31	(test-equal "services, default value"
1bb895ea LC	32	'(42 123 234 error)
3948ac25 LC	33	(let* ((t1 (service-type (name 't1) (extensions '())
3948ac25 LC	34	(description "")))
1bb895ea	35	(t2 (service-type (name 't2) (extensions '())
3948ac25	36	(description "")
1bb895ea LC	37	(default-value 42))))
	38	(list (service-value (service t2))
	39	(service-value (service t2 123))
	40	(service-value (service t1 234))
	41	(guard (c ((missing-value-service-error? c) 'error))
	42	(service t1)))))
	43
5152d13b	44	(test-assert "service-back-edges"
3948ac25	45	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")
5152d13b	46	(compose +) (extend *)))
3948ac25	47	(t2 (service-type (name 't2) (description "")
5152d13b LC	48	(extensions
	49	(list (service-extension t1 (const '()))))
	50	(compose +) (extend *)))
3948ac25	51	(t3 (service-type (name 't3) (description "")
5152d13b LC	52	(extensions
	53	(list (service-extension t2 identity)
	54	(service-extension t1 list)))))
	55	(s1 (service t1 #t))
	56	(s2 (service t2 #t))
	57	(s3 (service t3 #t))
	58	(e (service-back-edges (list s1 s2 s3))))
	59	(and (lset= eq? (e s1) (list s2 s3))
	60	(lset= eq? (e s2) (list s3))
	61	(null? (e s3)))))
	62
0adfe95a LC	63	(test-equal "fold-services"
	64	;; Make sure 'fold-services' returns the right result. The numbers come
	65	;; from services of type T3; 'xyz 60' comes from the service of type T2,
	66	;; where 60 = 15 × 4 = (1 + 2 + 3 + 4 + 5) × 4.
	67	'(initial-value 5 4 3 2 1 xyz 60)
3948ac25	68	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")
0adfe95a LC	69	(compose concatenate)
0adfe95a LC	70	(extend cons)))
3948ac25	71	(t2 (service-type (name 't2) (description "")
0adfe95a LC	72	(extensions
	73	(list (service-extension t1
	74	(cut list 'xyz <>))))
	75	(compose (cut reduce + 0 <>))
	76	(extend *)))
3948ac25	77	(t3 (service-type (name 't3) (description "")
0adfe95a LC	78	(extensions
	79	(list (service-extension t2 identity)
	80	(service-extension t1 list)))))
	81	(r (fold-services (cons* (service t1 'initial-value)
	82	(service t2 4)
	83	(map (lambda (x)
	84	(service t3 x))
	85	(iota 5 1)))
	86	#:target-type t1)))
	87	(and (eq? (service-kind r) t1)
efe7d19a	88	(service-value r))))
0adfe95a LC	89
0adfe95a LC	90	(test-assert "fold-services, ambiguity"
3948ac25	91	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")
0adfe95a LC	92	(compose concatenate)
0adfe95a LC	93	(extend cons)))
3948ac25	94	(t2 (service-type (name 't2) (description "")
0adfe95a LC	95	(extensions
	96	(list (service-extension t1 list)))))
	97	(s (service t2 42)))
	98	(guard (c ((ambiguous-target-service-error? c)
	99	(and (eq? (ambiguous-target-service-error-target-type c)
	100	t1)
	101	(eq? (ambiguous-target-service-error-service c)
	102	s))))
	103	(fold-services (list (service t1 'first)
	104	(service t1 'second)
	105	s)
	106	#:target-type t1)
	107	#f)))
	108
	109	(test-assert "fold-services, missing target"
3948ac25 LC	110	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")))
3948ac25 LC	111	(t2 (service-type (name 't2) (description "")
0adfe95a LC	112	(extensions
	113	(list (service-extension t1 list)))))
	114	(s (service t2 42)))
	115	(guard (c ((missing-target-service-error? c)
	116	(and (eq? (missing-target-service-error-target-type c)
	117	t1)
	118	(eq? (missing-target-service-error-service c)
	119	s))))
	120	(fold-services (list s) #:target-type t1)
	121	#f)))
	122
d466b1fc	123	(test-assert "instantiate-missing-services"
3948ac25	124	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")
d466b1fc LC	125	(default-value 'dflt)
	126	(compose concatenate)
	127	(extend cons)))
3948ac25	128	(t2 (service-type (name 't2) (description "")
d466b1fc LC	129	(extensions
	130	(list (service-extension t1 list)))))
	131	(s1 (service t1 'hey!))
	132	(s2 (service t2 42)))
	133	(and (lset= equal?
	134	(list (service t1) s2)
	135	(instantiate-missing-services (list s2)))
	136	(equal? (list s1 s2)
	137	(instantiate-missing-services (list s1 s2))))))
	138
9b6c4355	139	(test-assert "instantiate-missing-services, indirect"
3948ac25	140	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")
9b6c4355 LC	141	(default-value 'dflt)
	142	(compose concatenate)
	143	(extend cons)))
3948ac25	144	(t2 (service-type (name 't2) (description "")
9b6c4355 LC	145	(default-value 'dflt2)
	146	(compose concatenate)
	147	(extend cons)
	148	(extensions
	149	(list (service-extension t1 list)))))
3948ac25	150	(t3 (service-type (name 't3) (description "")
9b6c4355 LC	151	(extensions
	152	(list (service-extension t2 list)))))
	153	(s1 (service t1))
	154	(s2 (service t2))
	155	(s3 (service t3 42))
	156	(== (cut lset= equal? <...>)))
	157	(and (== (list s1 s2 s3)
	158	(instantiate-missing-services (list s3)))
	159	(== (list s1 s2 s3)
	160	(instantiate-missing-services (list s1 s3)))
	161	(== (list s1 s2 s3)
	162	(instantiate-missing-services (list s2 s3))))))
	163
d466b1fc	164	(test-assert "instantiate-missing-services, no default value"
3948ac25 LC	165	(let* ((t1 (service-type (name 't1) (extensions '()) (description "")))
3948ac25 LC	166	(t2 (service-type (name 't2) (description "")
d466b1fc LC	167	(extensions
	168	(list (service-extension t1 list)))))
	169	(s (service t2 42)))
	170	(guard (c ((missing-target-service-error? c)
	171	(and (eq? (missing-target-service-error-target-type c)
	172	t1)
	173	(eq? (missing-target-service-error-service c)
	174	s))))
	175	(instantiate-missing-services (list s))
	176	#f)))
	177
a5d78eb6 LC	178	(test-assert "shepherd-service-lookup-procedure"
	179	(let* ((s1 (shepherd-service (provision '(s1 s1b)) (start #f)))
	180	(s2 (shepherd-service (provision '(s2 s2b)) (start #f)))
	181	(s3 (shepherd-service (provision '(s3 s3b s3c)) (start #f)))
	182	(lookup (shepherd-service-lookup-procedure (list s1 s2 s3))))
	183	(and (eq? (lookup 's1) (lookup 's1b) s1)
	184	(eq? (lookup 's2) (lookup 's2b) s2)
	185	(eq? (lookup 's3) (lookup 's3b) s3))))
	186
d4053c71 AK	187	(test-assert "shepherd-service-back-edges"
	188	(let* ((s1 (shepherd-service (provision '(s1)) (start #f)))
	189	(s2 (shepherd-service (provision '(s2))
	190	(requirement '(s1))
	191	(start #f)))
	192	(s3 (shepherd-service (provision '(s3))
	193	(requirement '(s1 s2))
	194	(start #f)))
	195	(e (shepherd-service-back-edges (list s1 s2 s3))))
80a67734 LC	196	(and (lset= eq? (e s1) (list s2 s3))
	197	(lset= eq? (e s2) (list s3))
	198	(null? (e s3)))))
	199
7b44cae5 LC	200	(test-equal "shepherd-service-upgrade: nothing to do"
	201	'(() ())
	202	(call-with-values
	203	(lambda ()
	204	(shepherd-service-upgrade '() '()))
	205	list))
	206
	207	(test-equal "shepherd-service-upgrade: one unchanged, one upgraded, one new"
7fed9353 LC	208	'(() ;unload
7fed9353 LC	209	((foo))) ;restart
7b44cae5 LC	210	(call-with-values
7b44cae5 LC	211	(lambda ()
7fed9353 LC	212	;; Here 'foo' is replaced and must be explicitly restarted later
	213	;; because it is still running, whereas 'bar' is upgraded right away
	214	;; because it is not currently running. 'baz' is loaded because it's
	215	;; a new service.
7b44cae5	216	(shepherd-service-upgrade
e25eca35 LC	217	(list (live-service '(foo) '() #f #t)
	218	(live-service '(bar) '() #f #f)
	219	(live-service '(root) '() #f #t)) ;essential!
7b44cae5 LC	220	(list (shepherd-service (provision '(foo))
	221	(start #t))
	222	(shepherd-service (provision '(bar))
	223	(start #t))
	224	(shepherd-service (provision '(baz))
	225	(start #t)))))
7fed9353	226	(lambda (unload restart)
7b44cae5	227	(list (map live-service-provision unload)
7fed9353	228	(map shepherd-service-provision restart)))))
7b44cae5 LC	229
	230	(test-equal "shepherd-service-upgrade: service depended on is not unloaded"
	231	'(((baz)) ;unload
7fed9353	232	((foo))) ;restart
7b44cae5 LC	233	(call-with-values
	234	(lambda ()
	235	;; Service 'bar' is not among the target services; yet, it must not be
7fed9353 LC	236	;; unloaded because 'foo' depends on it. 'foo' gets replaced but it
7fed9353 LC	237	;; must be restarted manually.
7b44cae5	238	(shepherd-service-upgrade
e25eca35 LC	239	(list (live-service '(foo) '(bar) #f #t)
	240	(live-service '(bar) '() #f #t) ;still used!
	241	(live-service '(baz) '() #f #t))
7b44cae5 LC	242	(list (shepherd-service (provision '(foo))
7b44cae5 LC	243	(start #t)))))
7fed9353	244	(lambda (unload restart)
7b44cae5	245	(list (map live-service-provision unload)
7fed9353	246	(map shepherd-service-provision restart)))))
7b44cae5 LC	247
	248	(test-equal "shepherd-service-upgrade: obsolete services that depend on each other"
	249	'(((foo) (bar) (baz)) ;unload
7fed9353	250	()) ;restart
7b44cae5 LC	251	(call-with-values
	252	(lambda ()
	253	;; 'foo', 'bar', and 'baz' depend on each other, but all of them are
	254	;; obsolete, and thus should be unloaded.
	255	(shepherd-service-upgrade
e25eca35 LC	256	(list (live-service '(foo) '(bar) #f #t) ;obsolete
	257	(live-service '(bar) '(baz) #f #t) ;obsolete
	258	(live-service '(baz) '() #f #t)) ;obsolete
7b44cae5 LC	259	(list (shepherd-service (provision '(qux))
7b44cae5 LC	260	(start #t)))))
7fed9353	261	(lambda (unload restart)
7b44cae5	262	(list (map live-service-provision unload)
7fed9353	263	(map shepherd-service-provision restart)))))
7b44cae5	264
ec6a585e LC	265	(test-equal "shepherd-service-upgrade: transient service"
	266	;; Transient service must not be unloaded:
	267	;; <https://issues.guix.gnu.org/54812>.
	268	'(((foo)) ;unload
	269	((qux))) ;restart
	270	(call-with-values
	271	(lambda ()
	272	(shepherd-service-upgrade
	273	(list (live-service '(sshd-42) '() #t 42) ;transient
	274	(live-service '(foo) '() #f #t) ;obsolete
	275	(live-service '(qux) '() #f #t)) ;running
	276	(list (shepherd-service (provision '(qux))
	277	(start #t)))))
	278	(lambda (unload restart)
	279	(list (map live-service-provision unload)
	280	(map shepherd-service-provision restart)))))
	281
49483f71 LC	282	(test-eq "lookup-service-types"
	283	system-service-type
	284	(and (null? (lookup-service-types 'does-not-exist-at-all))
	285	(match (lookup-service-types 'system)
	286	((one) one)
	287	(x x))))
	288
0adfe95a	289	(test-end)