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| author | Ludovic Courtès <ludo@gnu.org> | 2020-05-10 00:09:05 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2020-05-11 23:30:55 +0200 |
| commit | 36c2192414dfcc43db767106cede2cc1d0e6e556 (patch) | |
| tree | 3f755dda32d6ca9ecb7545a44ea5648717d7f8a0 /tests | |
| parent | 724020213664239ec5c92d04f5fee44c25408a7f (diff) | |
| download | guix-36c2192414dfcc43db767106cede2cc1d0e6e556.tar guix-36c2192414dfcc43db767106cede2cc1d0e6e556.tar.gz | |
graph: Add 'shortest-path'.
* guix/graph.scm (shortest-path): New procedure.
* tests/graph.scm ("shortest-path, packages + derivations")
("shortest-path, reverse packages")
("shortest-path, references"): New tests.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/graph.scm | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/tests/graph.scm b/tests/graph.scm index 983a6ed654..136260c7d1 100644 --- a/tests/graph.scm +++ b/tests/graph.scm @@ -398,4 +398,65 @@ edges." (return (list (node-reachable-count (list p2) edges) (node-reachable-count (list p0) back))))))) +(test-equal "shortest-path, packages + derivations" + '(("p5" "p4" "p1" "p0") + ("p3" "p2" "p1" "p0") + #f + ("p5-0.drv" "p4-0.drv" "p1-0.drv" "p0-0.drv")) + (run-with-store %store + (let* ((p0 (dummy-package "p0")) + (p1 (dummy-package "p1" (inputs `(("p0" ,p0))))) + (p2 (dummy-package "p2" (inputs `(("p1" ,p1))))) + (p3 (dummy-package "p3" (inputs `(("p2" ,p2))))) + (p4 (dummy-package "p4" (inputs `(("p1" ,p1))))) + (p5 (dummy-package "p5" (inputs `(("p4" ,p4) ("p3" ,p3)))))) + (mlet* %store-monad ((path1 (shortest-path p5 p0 %package-node-type)) + (path2 (shortest-path p3 p0 %package-node-type)) + (nope (shortest-path p3 p4 %package-node-type)) + (drv5 (package->derivation p5)) + (drv0 (package->derivation p0)) + (path3 (shortest-path drv5 drv0 + %derivation-node-type))) + (return (append (map (lambda (path) + (and path (map package-name path))) + (list path1 path2 nope)) + (list (map (node-type-label %derivation-node-type) + path3)))))))) + +(test-equal "shortest-path, reverse packages" + '("libffi" "guile" "guile-json") + (run-with-store %store + (mlet %store-monad ((path (shortest-path (specification->package "libffi") + guile-json + %reverse-package-node-type))) + (return (map package-name path))))) + +(test-equal "shortest-path, references" + `(("d2" "d1" ,(package-full-name %bootstrap-guile "-")) + (,(package-full-name %bootstrap-guile "-") "d1" "d2")) + (run-with-store %store + (mlet* %store-monad ((d0 (package->derivation %bootstrap-guile)) + (d1 (gexp->derivation "d1" + #~(begin + (mkdir #$output) + (symlink #$%bootstrap-guile + (string-append + #$output "/l"))))) + (d2 (gexp->derivation "d2" + #~(begin + (mkdir #$output) + (symlink #$d1 + (string-append + #$output "/l"))))) + (_ (built-derivations (list d2))) + (->node -> (node-type-convert %reference-node-type)) + (o2 (->node (derivation->output-path d2))) + (o0 (->node (derivation->output-path d0))) + (path (shortest-path (first o2) (first o0) + %reference-node-type)) + (rpath (shortest-path (first o0) (first o2) + %referrer-node-type))) + (return (list (map (node-type-label %reference-node-type) path) + (map (node-type-label %referrer-node-type) rpath)))))) + (test-end "graph") |