diff options
| author | Ludovic Courtès <ludo@gnu.org> | 2016-05-23 23:03:23 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2016-05-24 00:06:01 +0200 |
| commit | e144e3427da93b962c7620ce2bd64add8c83cfdc (patch) | |
| tree | 2f1cd6dd65e764e8dab09d5fa97f86a62664617d /tests | |
| parent | 623e4df42abd024e0a62ef0b30f9b550f37cba57 (diff) | |
| download | gnu-guix-e144e3427da93b962c7620ce2bd64add8c83cfdc.tar gnu-guix-e144e3427da93b962c7620ce2bd64add8c83cfdc.tar.gz | |
graph: Add 'node-reachable-count'.
* guix/graph.scm (node-reachable-count): New procedure.
* tests/graph.scm ("node-reachable-count"): New test.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/graph.scm | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/graph.scm b/tests/graph.scm index 32317195d7..1ce06cc817 100644 --- a/tests/graph.scm +++ b/tests/graph.scm @@ -275,4 +275,17 @@ edges." (return (lset= eq? (node-transitive-edges (list p2) edges) (list p1a p1b p0))))))) +(test-equal "node-reachable-count" + '(3 3) + (run-with-store %store + (let* ((p0 (dummy-package "p0")) + (p1a (dummy-package "p1a" (inputs `(("p0" ,p0))))) + (p1b (dummy-package "p1b" (inputs `(("p0" ,p0))))) + (p2 (dummy-package "p2" (inputs `(("p1a" ,p1a) ("p1b" ,p1b)))))) + (mlet* %store-monad ((all -> (list p2 p1a p1b p0)) + (edges (node-edges %package-node-type all)) + (back (node-back-edges %package-node-type all))) + (return (list (node-reachable-count (list p2) edges) + (node-reachable-count (list p0) back))))))) + (test-end "graph") |