;;; 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-discovery)
  #:use-module (guix discovery)
  #:use-module (guix build-system)
  #:use-module (guix utils)
  #:use-module (srfi srfi-64)
  #:use-module (ice-9 match))

(define %top-srcdir
  (dirname (search-path %load-path "guix.scm")))

(test-begin "discovery")

(test-assert "scheme-modules"
  (match (map module-name (scheme-modules %top-srcdir "guix/import"))
    ((('guix 'import _ ...) ..1)
     #t)))

(test-assert "scheme-modules recurses in symlinks to directories"
  (call-with-temporary-directory
   (lambda (directory)
     (mkdir (string-append directory "/guix"))
     (symlink (string-append %top-srcdir "/guix/import")
              (string-append directory "/guix/import"))

     ;; DIRECTORY/guix/import is a symlink but we want to make sure
     ;; 'scheme-modules' recurses into it.
     (match (map module-name (scheme-modules directory))
       ((('guix 'import _ ...) ..1)
        #t)))))

(test-equal "scheme-modules, non-existent directory"
  '()
  (scheme-modules "/does/not/exist"))

(test-assert "all-modules"
  (match (map module-name
              (all-modules `((,%top-srcdir . "guix/build-system"))))
    ((('guix 'build-system names) ..1)
     names)))

(test-assert "fold-module-public-variables"
  (let ((modules (all-modules `((,%top-srcdir . "guix/build-system")))))
    (match (fold-module-public-variables (lambda (obj result)
                                           (if (build-system? obj)
                                               (cons obj result)
                                               result))
                                         '()
                                         modules)
      (((? build-system? bs) ..1)
       bs))))

(test-end "discovery")
eft'>Author</th></tr>
<tr><td><span title='2024-03-22 11:40:33 +0100'>2024-03-22</span></td><td><a href='/guix/commit/gnu/services.scm?id=29de2edfbbed21ac016f73a45d399795fc2e4dfb'>system, home: Validate ‘services’ field value.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2024-02-19 18:41:47 +0100'>2024-02-19</span></td><td><a href='/guix/commit/gnu/services.scm?id=e73db355b127b9ca2b5339f645f2d3eb6929531f'>services: activation: Ensure /var/run existence.</a><span class='msg-avail'>...</span></td><td>Nicolas Graves</td></tr>
<tr><td><span title='2023-12-02 12:25:45 +0100'>2023-12-02</span></td><td><a href='/guix/commit/gnu/services.scm?id=b0715d7cd2a74bc231751f8afc9dffb2047501ac'>gnu: Use ‘libc-utf8-locales-for-target’.</a><span class='msg-avail'>...</span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2023-08-31 23:31:50 -0400'>2023-08-31</span></td><td><a href='/guix/commit/gnu/services.scm?id=f66fa5f917e76935187935b09ae7ac037b8b35f8'>gnu: services: Revert to deleting and updating all matching services</a><span class='msg-avail'>...</span></td><td>Brian Cully</td></tr>
<tr><td><span title='2023-08-20 22:48:47 +0200'>2023-08-20</span></td><td><a href='/guix/commit/gnu/services.scm?id=dff7d2468ffe9d01b25662544af380e1794ac55a'>services: Define 'for-home'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-06-06 13:38:35 +0200'>2023-06-06</span></td><td><a href='/guix/commit/gnu/services.scm?id=1a2eb26286c72ac2754969f53f5833b053b96b67'>services: Check if service is #f before applying clause.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2023-06-06 11:54:39 +0200'>2023-06-06</span></td><td><a href='/guix/commit/gnu/services.scm?id=181951207339508789b28ba7cb914f983319920f'>services: 'modify-services' preserves service ordering.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-06-02 16:23:03 +0200'>2023-06-02</span></td><td><a href='/guix/commit/gnu/services.scm?id=dbbc7e946131ba257728f1d05b96c4339b7ee88b'>services: Error in MODIFY-SERVICES when services don't exist</a><span class='msg-avail'>...</span></td><td>Brian Cully</td></tr>
<tr><td><span title='2023-05-16 19:45:27 +0400'>2023-05-16</span></td><td><a href='/guix/commit/gnu/services.scm?id=66ecffbeba0685ff2f1071db8aeb2393986afb97'>services: Add default values.</a><span class='msg-avail'>...</span></td><td>Andrew Tropin</td></tr>
<tr><td><span title='2023-03-16 12:37:03 +0100'>2023-03-16</span></td><td><a href='/guix/commit/gnu/services.scm?id=93918c67c5761d8f688cda5f5b49d5c49c7626d0'>services: etc-service: Deprecate etc-service procedure.</a><span class='msg-avail'>...</span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2022-08-30 00:40:04 +0200'>2022-08-30</span></td><td><a href='/guix/commit/gnu/services.scm?id=9096bc28a30d48486efa13488ac4814b2ccd0fa2'>services: provenance: Use 'current-channels' to obtain provenance data.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-29 02:00:19 +0200'>2022-05-29</span></td><td><a href='/guix/commit/gnu/services.scm?id=4cb6994790d1b499bc07f183ac9d7b4fbfc3c9bc'>gnu: services: Update setuid service description.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2022-05-18 22:29:54 +0200'>2022-05-18</span></td><td><a href='/guix/commit/gnu/services.scm?id=3948ac25b1dccc40c7fdf56377f94a0775a835ee'>services: Make &lt;service-type&gt; 'description' field mandatory.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-18 22:29:54 +0200'>2022-05-18</span></td><td><a href='/guix/commit/gnu/services.scm?id=9a5d68692314bebd16dbcdc0d4e4e52fa4d5812f'>services: Add more description fields.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>