;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2020 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))

(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:
c7bbe711ba1'>Use 'formatted-message' instead of '&amp;message' where appropriate.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-17 14:22:07 +0100'>2020-01-17</span></td><td><a href='/guix/commit/gnu/packages.scm?id=886a76073e4654449f413831897ffde736a07c91'>packages: Prevent inlining of 'find-best-packages-by-name'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-06 16:31:54 +0100'>2020-01-06</span></td><td><a href='/guix/commit/gnu/packages.scm?id=6a7c4636d4dec47eefa03c95da5a1315bd0e0413'>Adjust module autoloads.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-10-14 23:43:43 +0200'>2019-10-14</span></td><td><a href='/guix/commit/gnu/packages.scm?id=88da011592a679776088b64b8d11575563c3f867'>packages: 'fold-available-packages' uses 'supported-package?'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-06 14:40:43 +0200'>2019-09-06</span></td><td><a href='/guix/commit/gnu/packages.scm?id=d2d63e20d5b981009b61bf416b4d7b516e8f1f34'>packages: 'generate-package-cache' uses 'supported-package?'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-27 23:33:48 +0200'>2019-06-27</span></td><td><a href='/guix/commit/gnu/packages.scm?id=5cc1075a76392666d3d733837f5c6252b1e48002'>Merge branch 'master' into core-updates</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-27 11:14:41 +0200'>2019-06-27</span></td><td><a href='/guix/commit/gnu/packages.scm?id=066eeae1a197b1926c7ffc42919d684686f56fdb'>packages: 'specification-&gt;package+output' distinguishes "no output specified".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-14 21:57:39 +0200'>2019-06-14</span></td><td><a href='/guix/commit/gnu/packages.scm?id=1ba0b1e6ec41afd94a3c5f907b1122204dcb5d9d'>packages: Remove 'search-bootstrap-binary'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-01 23:11:41 +0200'>2019-05-01</span></td><td><a href='/guix/commit/gnu/packages.scm?id=3b458d5462e6bbd852c2dc5c6670d5655abf53f5'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-03-28 23:06:58 +0100'>2019-03-28</span></td><td><a href='/guix/commit/gnu/packages.scm?id=f2bf0407de70e7ae29518400d66ef968134f5169'>packages: Reintroduce 'find-newest-available-packages'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>