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-rw-r--r--tests/graph.scm20
1 files changed, 19 insertions, 1 deletions
diff --git a/tests/graph.scm b/tests/graph.scm
index 00fd37243c..5faa19298a 100644
--- a/tests/graph.scm
+++ b/tests/graph.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -271,6 +271,24 @@ edges."
(list txt out))
(equal? edges `((,txt ,out)))))))))))
+(test-assert "module graph"
+ (let-values (((backend nodes+edges) (make-recording-backend)))
+ (run-with-store %store
+ (export-graph '((gnu packages guile)) 'port
+ #:node-type %module-node-type
+ #:backend backend))
+
+ (let-values (((nodes edges) (nodes+edges)))
+ (and (member '(gnu packages guile)
+ (match nodes
+ (((ids labels) ...) ids)))
+ (->bool (and (member (list '(gnu packages guile)
+ '(gnu packages libunistring))
+ edges)
+ (member (list '(gnu packages guile)
+ '(gnu packages bdw-gc))
+ edges)))))))
+
(test-assert "node-edges"
(run-with-store %store
(let ((packages (fold-packages cons '())))