;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 utils) #:select (call-with-temporary-directory))
  #:use-module (ice-9 match))

(cond-expand
  (guile-2.2
   ;; Guile 2.2.2 has a bug whereby 'time-monotonic' objects have seconds and
   ;; nanoseconds swapped (fixed in Guile commit 886ac3e).  Work around it.
   (define time-monotonic time-tai))
  (else #t))

(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)))))

(test-end "cache")

;;; Local Variables:
;;; eval: (put 'test-cache-cleanup 'scheme-indent-function 1)
;;; End:
</td><td><a href='/guix/commit/gnu/packages.scm?id=d51bfe242fbe6f3f8f71d723e8fe0c7bbe711ba1'>Use 'formatted-message' instead of '&amp;message' where appropriate.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu.scm (%try-use-modules): Use 'formatted-message' instead of
'&amp;message'.
* gnu/machine/digital-ocean.scm (maybe-raise-unsupported-configuration-error):
Likewise.
* gnu/machine/ssh.scm (machine-check-file-system-availability): Likewise.
(machine-check-building-for-appropriate-system): Likewise.
(deploy-managed-host): Likewise.
(maybe-raise-unsupported-configuration-error): Likewise.
* gnu/packages.scm (search-patch): Likewise.
* gnu/services.scm (%service-with-default-value): Likewise.
(files-&gt;etc-directory): Likewise.
(fold-services): Likewise.
* gnu/system.scm (locale-name-&gt;definition*): Likewise.
* gnu/system/mapped-devices.scm (check-device-initrd-modules): Likewise.
(check-luks-device): Likewise.
* guix/channels.scm (latest-channel-instance): Likewise.
* guix/cve.scm (json-&gt;cve-items): Likewise.
* guix/git-authenticate.scm (commit-signing-key): Likewise.
(commit-authorized-keys): Likewise.
(authenticate-commit): Likewise.
(verify-introductory-commit): Likewise.
* guix/remote.scm (remote-pipe-for-gexp): Likewise.
* guix/scripts/graph.scm (assert-package): Likewise.
* guix/scripts/offload.scm (private-key-from-file*): Likewise.
* guix/ssh.scm (authenticate-server*): Likewise.
(open-ssh-session): Likewise.
(remote-inferior): Likewise.
* guix/ui.scm (matching-generations): Likewise.
* guix/upstream.scm (package-update): Likewise.
* tests/channels.scm ("latest-channel-instances, missing introduction for 'guix'"):
Catch 'formatted-message?'.
("authenticate-channel, wrong first commit signer"): Likewise.
* tests/lint.scm ("patches: not found"): Adjust message string.
* tests/packages.scm ("patch not found yields a run-time error"): Catch
'formatted-message?'.
* guix/lint.scm (check-patch-file-names): Handle 'formatted-message?'.
(check-derivation): Ditto.
</span></span></td><td>Ludovic Courtès</td></tr>