;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
- #:use-module (srfi srfi-64))
+ #:use-module (srfi srfi-64)
+ #:use-module (ice-9 match))
-(define live-service
- (@@ (gnu services herd) live-service))
-
-\f
(test-begin "services")
(test-equal "services, default value"
(fold-services (list s) #:target-type t1)
#f)))
+(test-assert "instantiate-missing-services"
+ (let* ((t1 (service-type (name 't1) (extensions '())
+ (default-value 'dflt)
+ (compose concatenate)
+ (extend cons)))
+ (t2 (service-type (name 't2)
+ (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 '())
+ (default-value 'dflt)
+ (compose concatenate)
+ (extend cons)))
+ (t2 (service-type (name 't2)
+ (default-value 'dflt2)
+ (compose concatenate)
+ (extend cons)
+ (extensions
+ (list (service-extension t1 list)))))
+ (t3 (service-type (name 't3)
+ (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 '())))
+ (t2 (service-type (name 't2)
+ (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)))
list))
(test-equal "shepherd-service-upgrade: one unchanged, one upgraded, one new"
- '(((bar)) ;unload
- ((bar) (baz))) ;load
+ '(() ;unload
+ ((foo))) ;restart
(call-with-values
(lambda ()
- ;; Here 'foo' is not upgraded because it is still running, whereas
- ;; 'bar' is upgraded because it is not currently running. 'baz' is
- ;; loaded because it's a new service.
+ ;; 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) '() #t)
(live-service '(bar) '() #f)
(start #t))
(shepherd-service (provision '(baz))
(start #t)))))
- (lambda (unload load)
+ (lambda (unload restart)
(list (map live-service-provision unload)
- (map shepherd-service-provision load)))))
+ (map shepherd-service-provision restart)))))
(test-equal "shepherd-service-upgrade: service depended on is not unloaded"
'(((baz)) ;unload
- ()) ;load
+ ((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.
+ ;; unloaded because 'foo' depends on it. 'foo' gets replaced but it
+ ;; must be restarted manually.
(shepherd-service-upgrade
(list (live-service '(foo) '(bar) #t)
(live-service '(bar) '() #t) ;still used!
(live-service '(baz) '() #t))
(list (shepherd-service (provision '(foo))
(start #t)))))
- (lambda (unload load)
+ (lambda (unload restart)
(list (map live-service-provision unload)
- (map shepherd-service-provision load)))))
+ (map shepherd-service-provision restart)))))
(test-equal "shepherd-service-upgrade: obsolete services that depend on each other"
'(((foo) (bar) (baz)) ;unload
- ((qux))) ;load
+ ()) ;restart
(call-with-values
(lambda ()
;; 'foo', 'bar', and 'baz' depend on each other, but all of them are
(live-service '(baz) '() #t)) ;obsolete
(list (shepherd-service (provision '(qux))
(start #t)))))
- (lambda (unload load)
+ (lambda (unload restart)
(list (map live-service-provision unload)
- (map shepherd-service-provision load)))))
+ (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)
HCoop / jackhill / guix / guix.git / blobdiff