From ccf3dcba3dbddd4fd8daf0b5641ba997de12647a Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Tue, 20 Oct 2020 15:57:35 +0200 Subject: tests: Do not fetch and print the random seed from the top level. * guix/tests.scm (%seed): Turn into a memoizing procedure. (random-text, random-bytevector): Adjust accordingly. --- guix/tests.scm | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'guix/tests.scm') diff --git a/guix/tests.scm b/guix/tests.scm index 3ccf049a7d..fc3d521163 100644 --- a/guix/tests.scm +++ b/guix/tests.scm @@ -160,15 +160,17 @@ too expensive to build entirely in the test store." number->string) (logxor (getpid) (car (gettimeofday))))) -(define %seed +(define (%seed) (let ((seed (random-seed))) (format (current-error-port) "random seed for tests: ~a~%" seed) - (seed->random-state seed))) + (let ((result (seed->random-state seed))) + (set! %seed (lambda () result)) + result))) (define (random-text) "Return the hexadecimal representation of a random number." - (number->string (random (expt 2 256) %seed) 16)) + (number->string (random (expt 2 256) (%seed)) 16)) (define (random-bytevector n) "Return a random bytevector of N bytes." @@ -176,7 +178,7 @@ too expensive to build entirely in the test store." (let loop ((i 0)) (if (< i n) (begin - (bytevector-u8-set! bv i (random 256 %seed)) + (bytevector-u8-set! bv i (random 256 (%seed))) (loop (1+ i))) bv)))) -- cgit v1.2.3