;;; 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-workers)
  #:use-module (guix workers)
  #:use-module (ice-9 threads)
  #:use-module (srfi srfi-64))

(test-begin "workers")

(test-equal "enqueue"
  4242
  (let* ((pool   (make-pool))
         (result 0)
         (1+!    (let ((lock (make-mutex)))
                   (lambda ()
                     (with-mutex lock
                       (set! result (+ result 1)))))))
    (let loop ((i 4242))
      (unless (zero? i)
        (pool-enqueue! pool 1+!)
        (loop (- i 1))))
    (let poll ()
      (unless (pool-idle? pool)
        (pk 'busy result)
        (sleep 1)
        (poll)))
    result))

;; Same as above, but throw exceptions within the workers and make sure they
;; remain alive.
(test-equal "exceptions"
  4242
  (let* ((pool   (make-pool 10))
         (result 0)
         (1+!    (let ((lock (make-mutex)))
                   (lambda ()
                     (with-mutex lock
                       (set! result (+ result 1)))))))
    (let loop ((i 10))
      (unless (zero? i)
        (pool-enqueue! pool (lambda ()
                              (throw 'whatever)))
        (loop (- i 1))))
    (let loop ((i 4242))
      (unless (zero? i)
        (pool-enqueue! pool 1+!)
        (loop (- i 1))))
    (let poll ()
      (unless (pool-idle? pool)
        (pk 'busy result)
        (sleep 1)
        (poll)))
    result))

(test-end)
bf50ecae79d4e875fe5b6772470b65903d007c'>gnu</a>/<a href='/guix/log/gnu/packages?id=43bf50ecae79d4e875fe5b6772470b65903d007c'>packages</a>/<a href='/guix/log/gnu/packages/dav.scm?id=43bf50ecae79d4e875fe5b6772470b65903d007c'>dav.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/dav.scm?id=43bf50ecae79d4e875fe5b6772470b65903d007c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-08-27 17:18:52 -0400'>2020-08-27</span></td><td><a href='/guix/commit/gnu/packages/dav.scm?id=828658f8fe6721215dbe5fd49702ae63121a8573'>gnu: radicale: Update to 3.0.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/dav.scm (radicale): Update to 3.0.4.
[source]: Use git-fetch.
[arguments]: Run the test suite.
[native-inputs]: Add python-pytest, python-pytest-cov, python-pytest-flake8,
python-pytest-isort, python-pytest-runner, python-waitress.
[propagated-inputs]: Remove python-requests. Add python-dateutil,
python-defusedxml, python-passlib, python-vobject.

Signed-off-by: Leo Famulari &lt;leo@famulari.name&gt;
</span></span></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2020-08-27 17:18:52 -0400'>2020-08-27</span></td><td><a href='/guix/commit/gnu/packages/dav.scm?id=f6ac084d4f0311effeb2ffe0411b86e504602051'>gnu: Add xandikos.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/dav.scm (xandikos): New variable.

Signed-off-by: Leo Famulari &lt;leo@famulari.name&gt;
</span></span></td><td>Vinicius Monego</td></tr>
<tr><td><span title='2020-07-01 09:30:56 +0300'>2020-07-01</span></td><td><a href='/guix/commit/gnu/packages/dav.scm?id=8ed5d9502dffe6884978fab32398f9c68e38a6c8'>gnu: vdirsyncer: Don't propagate python-click-5.</a><span class='msg-avail'>...<span class='msg-tooltip'>This prevents a profile collision when installing the package.

* gnu/packages/dav.scm (vdirsyncer)[propagated-inputs]: Move
python-click-5 ...
[inputs]: ... to here.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-06-29 15:47:11 +0200'>2020-06-29</span></td><td><a href='/guix/commit/gnu/packages/dav.scm?id=85eec227e1b056e808719b0db7756c4aa9745704'>gnu: vdirsyncer: Update to 0.16.8.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/dav.scm (vdirsyncer): Update to 0.16.8.
[propagated-inputs]: Use python-click-5.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-04-26 22:55:29 +0300'>2020-04-26</span></td><td><a href='/guix/commit/gnu/packages/dav.scm?id=dc1182751cfd62d2b91f80fed322fd1e016e4b72'>gnu: vdirsyncer: Fix building man page.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/dav.scm (vdirsyncer)[arguments]: Add custom phase to
patch function retrieving the version string.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-02-23 17:55:05 +0100'>2020-02-23</span></td><td><a href='/guix/commit/gnu/packages/dav.scm?id=faa8dfd1416676ea3231aa6aa20a10e6ac5ed7e2'>gnu: radicale: Use HTTPS home page.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/dav.scm (radicale)[home-page]: Use HTTPS.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>