From 80a67734834a0981ca65cf1757a7d8408d02f1fd Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Wed, 14 Oct 2015 18:40:33 +0200 Subject: services: Add 'dmd-service-back-edges'. * gnu/services/dmd.scm (dmd-service-back-edges): New procedure. * tests/services.scm ("dmd-service-back-edges"): New test. --- tests/services.scm | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'tests') diff --git a/tests/services.scm b/tests/services.scm index ae2d999fee..7d2e31b3a9 100644 --- a/tests/services.scm +++ b/tests/services.scm @@ -18,6 +18,7 @@ (define-module (test-services) #:use-module (gnu services) + #:use-module (gnu services dmd) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) @@ -104,6 +105,15 @@ (fold-services (list s) #:target-type t1) #f))) +(test-assert "dmd-service-back-edges" + (let* ((s1 (dmd-service (provision '(s1)) (start #f))) + (s2 (dmd-service (provision '(s2)) (requirement '(s1)) (start #f))) + (s3 (dmd-service (provision '(s3)) (requirement '(s1 s2)) (start #f))) + (e (dmd-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-end) -- cgit 1.4.1