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-rw-r--r--tests/services.scm68
1 files changed, 68 insertions, 0 deletions
diff --git a/tests/services.scm b/tests/services.scm
index 12745c8006..8993c3dafc 100644
--- a/tests/services.scm
+++ b/tests/services.scm
@@ -18,12 +18,17 @@
(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))
+(define live-service
+ (@@ (gnu services herd) live-service))
+
+
(test-begin "services")
(test-assert "service-back-edges"
@@ -127,4 +132,67 @@
(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"
+ '(((bar)) ;unload
+ ((bar) (baz))) ;load
+ (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.
+ (shepherd-service-upgrade
+ (list (live-service '(foo) '() #t)
+ (live-service '(bar) '() #f)
+ (live-service '(root) '() #t)) ;essential!
+ (list (shepherd-service (provision '(foo))
+ (start #t))
+ (shepherd-service (provision '(bar))
+ (start #t))
+ (shepherd-service (provision '(baz))
+ (start #t)))))
+ (lambda (unload load)
+ (list (map live-service-provision unload)
+ (map shepherd-service-provision load)))))
+
+(test-equal "shepherd-service-upgrade: service depended on is not unloaded"
+ '(((baz)) ;unload
+ ()) ;load
+ (call-with-values
+ (lambda ()
+ ;; Service 'bar' is not among the target services; yet, it must not be
+ ;; unloaded because 'foo' depends on it.
+ (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)
+ (list (map live-service-provision unload)
+ (map shepherd-service-provision load)))))
+
+(test-equal "shepherd-service-upgrade: obsolete services that depend on each other"
+ '(((foo) (bar) (baz)) ;unload
+ ((qux))) ;load
+ (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) #t) ;obsolete
+ (live-service '(bar) '(baz) #t) ;obsolete
+ (live-service '(baz) '() #t)) ;obsolete
+ (list (shepherd-service (provision '(qux))
+ (start #t)))))
+ (lambda (unload load)
+ (list (map live-service-provision unload)
+ (map shepherd-service-provision load)))))
+
(test-end)