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-rw-r--r--tests/store.scm32
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/store.scm b/tests/store.scm
index 5ae036c060..a61d449fb4 100644
--- a/tests/store.scm
+++ b/tests/store.scm
@@ -162,6 +162,38 @@
(equal? (valid-derivers %store o)
(list (derivation-file-name d))))))
+(test-assert "topologically-sorted, one item"
+ (let* ((a (add-text-to-store %store "a" "a"))
+ (b (add-text-to-store %store "b" "b" (list a)))
+ (c (add-text-to-store %store "c" "c" (list b)))
+ (d (add-text-to-store %store "d" "d" (list c)))
+ (s (topologically-sorted %store (list d))))
+ (equal? s (list a b c d))))
+
+(test-assert "topologically-sorted, several items"
+ (let* ((a (add-text-to-store %store "a" "a"))
+ (b (add-text-to-store %store "b" "b" (list a)))
+ (c (add-text-to-store %store "c" "c" (list b)))
+ (d (add-text-to-store %store "d" "d" (list c)))
+ (s1 (topologically-sorted %store (list d a c b)))
+ (s2 (topologically-sorted %store (list b d c a b d))))
+ (equal? s1 s2 (list a b c d))))
+
+(test-assert "topologically-sorted, more difficult"
+ (let* ((a (add-text-to-store %store "a" "a"))
+ (b (add-text-to-store %store "b" "b" (list a)))
+ (c (add-text-to-store %store "c" "c" (list b)))
+ (d (add-text-to-store %store "d" "d" (list c)))
+ (w (add-text-to-store %store "w" "w"))
+ (x (add-text-to-store %store "x" "x" (list w)))
+ (y (add-text-to-store %store "y" "y" (list x d)))
+ (s1 (topologically-sorted %store (list y)))
+ (s2 (topologically-sorted %store (list c y)))
+ (s3 (topologically-sorted %store (cons y (references %store y)))))
+ (and (equal? s1 (list w x a b c d y))
+ (equal? s2 (list a b c w x d y))
+ (lset= string=? s1 s3))))
+
(test-assert "log-file, derivation"
(let* ((b (add-text-to-store %store "build" "echo $foo > $out" '()))
(s (add-to-store %store "bash" #t "sha256"