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;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017, 2020, 2024 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2022 Simon Tournier <zimon.toutoune@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (test-cache) #:use-module (guix cache) #:use-module (srfi srfi-1) #:use-module (srfi srfi-19) #:use-module (srfi srfi-64) #:use-module ((guix build syscalls) #:select (lock-file)) #:use-module ((guix utils) #:select (call-with-temporary-directory)) #:use-module ((rnrs io ports) #:select (get-string-all)) #:use-module (ice-9 match)) (test-begin "cache") (test-equal "remove-expired-cache-entries" '("o" "l" "d") (let* ((removed '()) (now (time-second (current-time time-monotonic))) (ttl 100) (stamp (match-lambda ((or "n" "e" "w") (+ now 100)) ((or "o" "l" "d") (- now 100)))) (delete (lambda (entry) (set! removed (cons entry removed))))) (remove-expired-cache-entries (reverse '("n" "e" "w" "o" "l" "d")) #:entry-expiration stamp #:delete-entry delete) removed)) (define-syntax-rule (test-cache-cleanup cache exp ...) (call-with-temporary-directory (lambda (cache) (let* ((deleted '()) (delete! (lambda (entry) (set! deleted (cons entry deleted))))) exp ... (maybe-remove-expired-cache-entries cache (const '("a" "b" "c")) #:entry-expiration (const 0) #:delete-entry delete!) (reverse deleted))))) (test-equal "maybe-remove-expired-cache-entries, first cleanup" '("a" "b" "c") (test-cache-cleanup cache)) (test-equal "maybe-remove-expired-cache-entries, no cleanup needed" '() (test-cache-cleanup cache (call-with-output-file (string-append cache "/last-expiry-cleanup") (lambda (port) (display (+ (time-second (current-time time-monotonic)) 100) port))))) (test-equal "maybe-remove-expired-cache-entries, cleanup needed" '("a" "b" "c") (test-cache-cleanup cache (call-with-output-file (string-append cache "/last-expiry-cleanup") (lambda (port) (display 0 port))))) (let ((pid #f)) (test-equal "maybe-remove-expired-cache-entries, cleanup needed but lock taken" '() (test-cache-cleanup cache (let ((in+out (pipe))) (match (primitive-fork) (0 (dynamic-wind (const #t) (lambda () (close-port (car in+out)) (let ((port (lock-file (string-append cache "/last-expiry-cleanup")))) (display 0 port) (display "done!\n" (cdr in+out)) (close-port (cdr in+out)) (sleep 100))) (lambda () (primitive-exit 0)))) (n (set! pid n) (close-port (cdr in+out)) (pk 'chr (get-string-all (car in+out))) (close-port (car in+out))))))) (when pid (kill pid SIGKILL))) (test-equal "maybe-remove-expired-cache-entries, empty cache" '("a" "b" "c") (test-cache-cleanup cache (call-with-output-file (string-append cache "/last-expiry-cleanup") (lambda (port) (display "" port))))) (test-equal "maybe-remove-expired-cache-entries, corrupted cache" '("a" "b" "c") (test-cache-cleanup cache (call-with-output-file (string-append cache "/last-expiry-cleanup") (lambda (port) (display "1\"34657890" port))))) (test-end "cache") ;;; Local Variables: ;;; eval: (put 'test-cache-cleanup 'scheme-indent-function 1) ;;; End:
