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authorLudovic Courtès <ludo@gnu.org>2017-01-04 16:16:17 +0100
committerLudovic Courtès <ludo@gnu.org>2017-01-04 16:18:53 +0100
commitb96a0640a3ca128c0b9bf9acaef7b3b7a8bb1455 (patch)
treef228c2536475873ced944d315406ab869694a26e /tests
parenta614ce389f473d7b2792176a1022ccb28bc8f587 (diff)
graph: Add '%reverse-package-node-type'.
* guix/scripts/graph.scm (%reverse-package-node-type): New variable. (%node-types): Add it. * tests/graph.scm ("reverse package DAG"): New test. * doc/guix.texi (Invoking guix refresh): Add cross-reference to "Invoking guix graph". (Invoking guix graph): Document 'reverse-package'.
Diffstat (limited to 'tests')
-rw-r--r--tests/graph.scm14
1 files changed, 13 insertions, 1 deletions
diff --git a/tests/graph.scm b/tests/graph.scm
index bc4d62fe50..6431c482f7 100644
--- a/tests/graph.scm
+++ b/tests/graph.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -32,6 +32,7 @@
#:use-module (gnu packages)
#:use-module (gnu packages base)
#:use-module (gnu packages guile)
+ #:use-module (gnu packages libunistring)
#:use-module (gnu packages bootstrap)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
@@ -92,6 +93,17 @@ edges."
(list p3 p3 p2)
(list p2 p1 p1))))))))
+(test-assert "reverse package DAG"
+ (let-values (((backend nodes+edges) (make-recording-backend)))
+ (run-with-store %store
+ (export-graph (list libunistring) 'port
+ #:node-type %reverse-package-node-type
+ #:backend backend))
+ ;; We should see nothing more than these 3 packages.
+ (let-values (((nodes edges) (nodes+edges)))
+ (and (member (package->tuple guile-2.0) nodes)
+ (->bool (member (edge->tuple libunistring guile-2.0) edges))))))
+
(test-assert "bag-emerged DAG"
(let-values (((backend nodes+edges) (make-recording-backend)))
(let* ((o (dummy-origin (method (lambda _