diff options
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/tests.scm | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/guix/tests.scm b/guix/tests.scm index 06e9f8da0b..bcf9b990e5 100644 --- a/guix/tests.scm +++ b/guix/tests.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -17,6 +17,7 @@ ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (guix tests) + #:use-module ((guix config) #:select (%storedir %localstatedir)) #:use-module (guix store) #:use-module (guix derivations) #:use-module (guix packages) @@ -30,6 +31,7 @@ #:use-module (ice-9 binary-ports) #:use-module (web uri) #:export (open-connection-for-tests + with-external-store random-text random-bytevector file=? @@ -74,6 +76,39 @@ store))) +(define (call-with-external-store proc) + "Call PROC with an open connection to the external store or #f it there is +no external store to talk to." + (parameterize ((%daemon-socket-uri + (string-append %localstatedir + "/guix/daemon-socket/socket")) + (%store-prefix %storedir)) + (define store + (catch #t + (lambda () + (open-connection)) + (const #f))) + + (dynamic-wind + (const #t) + (lambda () + ;; Since we're using a different store we must clear the + ;; package-derivation cache. + (hash-clear! (@@ (guix packages) %derivation-cache)) + + (proc store)) + (lambda () + (when store + (close-connection store)))))) + +(define-syntax-rule (with-external-store store exp ...) + "Evaluate EXP with STORE bound to the external store rather than the +temporary test store, or #f if there is no external store to talk to. + +This is meant to be used for tests that need to build packages that would be +too expensive to build entirely in the test store." + (call-with-external-store (lambda (store) exp ...))) + (define (random-seed) (or (and=> (getenv "GUIX_TESTS_RANDOM_SEED") number->string) |