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authorLudovic Courtès <ludo@gnu.org>2015-12-08 22:58:32 +0100
committerLudovic Courtès <ludo@gnu.org>2015-12-08 23:58:12 +0100
commit2fba87ac7c3e6fc6ca1a6e94131303c37425b2ba (patch)
tree443722324596846346b6a3f11e4eab30e73bed94 /tests
parentb23b4d394a39b60188ed74ecdf1027bc7dd5b9b3 (diff)
store: Allow clients to request multiple builds.
* guix/store.scm (set-build-options): Add #:rounds parameter and honor it. * tests/store.scm ("build multiple times"): New test.
Diffstat (limited to 'tests')
-rw-r--r--tests/store.scm40
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/store.scm b/tests/store.scm
index 72abf2c694..394c06bc0f 100644
--- a/tests/store.scm
+++ b/tests/store.scm
@@ -769,6 +769,8 @@
(let ((out (assoc-ref %outputs "out")))
(call-with-output-file out
(lambda (port)
+ ;; Rely on the fact that tests do not use the
+ ;; chroot, and thus ENTROPY is readable.
(display (call-with-input-file ,entropy
get-string-all)
port)))
@@ -791,6 +793,44 @@
(build-mode check))
#f))))))))
+(test-assert "build multiple times"
+ (with-store store
+ ;; Ask to build twice.
+ (set-build-options store #:rounds 2 #:use-substitutes? #f)
+
+ (call-with-temporary-output-file
+ (lambda (entropy entropy-port)
+ (write (random-text) entropy-port)
+ (force-output entropy-port)
+ (let* ((drv (build-expression->derivation
+ store "non-deterministic"
+ `(begin
+ (use-modules (rnrs io ports))
+ (let ((out (assoc-ref %outputs "out")))
+ (call-with-output-file out
+ (lambda (port)
+ ;; Rely on the fact that tests do not use the
+ ;; chroot, and thus ENTROPY is accessible.
+ (display (call-with-input-file ,entropy
+ get-string-all)
+ port)
+ (call-with-output-file ,entropy
+ (lambda (port)
+ (write 'foobar port)))))
+ #t))
+ #:guile-for-build
+ (package-derivation store %bootstrap-guile (%current-system))))
+ (file (derivation->output-path drv)))
+ (guard (c ((nix-protocol-error? c)
+ (pk 'multiple-build c)
+ (and (not (zero? (nix-protocol-error-status c)))
+ (string-contains (nix-protocol-error-message c)
+ "deterministic"))))
+ ;; This one will produce a different result on the second run.
+ (current-build-output-port (current-error-port))
+ (build-things store (list (derivation-file-name drv)))
+ #f))))))
+
(test-equal "store-lower"
"Lowered."
(let* ((add (store-lower text-file))