;;; 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")
f='/guix/log/gnu/packages/man.scm?id=0105b8624dbba539677ebbfd0dc0bd35143c6fad&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-08-19 04:24:25 +0200'>2020-08-19</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=d74a85ec6153784e17cbf61e66e1a37c537528e4'>gnu: libpipeline: Update to 1.5.3.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-08-19 00:21:41 +0200'>2020-08-19</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=9e371e9595954a42049814e13bbaf2a639eb20b8'>Disambiguate ‘expat’ in (gnu packages man).</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-08-18 23:10:04 +0200'>2020-08-18</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=e047b265179b07562a9165200097b2624b58d7c6'>gnu: Add xmltoman.</a><span class='msg-avail'>...</span></td><td>Raghav Gururajan</td></tr>
<tr><td><span title='2020-08-18 22:54:04 +0200'>2020-08-18</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=e445ae9ae13dc33f3770324c58cb91cd89185846'>gnu: Add ronn.</a><span class='msg-avail'>...</span></td><td>Raghav Gururajan</td></tr>
<tr><td><span title='2020-08-15 03:26:23 +0200'>2020-08-15</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=0d0c51857b575f881fad4890f5382bb09d9dc7f4'>gnu: man-pages: Update to 5.08.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-01 04:27:42 +0200'>2020-07-01</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=eee9eab722fbd7e433a94ef0bb4320f333e2495f'>gnu: man-db: Update to 2.9.3.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-06-10 20:33:33 +0200'>2020-06-10</span></td><td><a href='/guix/commit/gnu/packages/man.scm?id=a474999c260c8afa8ebb114f65ada3aeb0d7c17c'>gnu: man-pages: Update to 5.07.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>