;;; 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")
hor</th></tr>
<tr><td><span title='2021-02-03 12:41:28 +0100'>2021-02-03</span></td><td><a href='/guix/commit/tests/utils.scm?id=9505b54a4f9f0265c9d8be53763f0c59d6f62a44'>utils: Add string distance.</a><span class='msg-avail'>...</span></td><td>zimoun</td></tr>
<tr><td><span title='2021-02-01 17:32:34 +0100'>2021-02-01</span></td><td><a href='/guix/commit/tests/utils.scm?id=579506e272cf68649ec68ad8a976a17426ea630c'>utils: Add 'version-unique-prefix'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-01-13 22:24:19 +0100'>2021-01-13</span></td><td><a href='/guix/commit/tests/utils.scm?id=db0cecdf6b2f2b8f9c5a3cebe8fc60e79a692be0'>utils: Support zstd compression via Guile-zstd.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-01-13 22:24:19 +0100'>2021-01-13</span></td><td><a href='/guix/commit/tests/utils.scm?id=0d046587107a56467cf2027799ac79ce8c203ce0'>utils: Remove 'compressed-output-port'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-08-24 13:35:24 +0200'>2020-08-24</span></td><td><a href='/guix/commit/tests/utils.scm?id=4c0c65acfade63ce0549115d19db4b639c1e9992'>Use "guile-zlib" and "guile-lzlib" instead of (guix config).</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2019-06-20 14:07:01 +0200'>2019-06-20</span></td><td><a href='/guix/commit/tests/utils.scm?id=3149c002644b927e0245d237cdda3a6aeca00e4a'>utils: canonical-newline-port: Fix handling of carriage return at buffer end.</a><span class='msg-avail'>...</span></td><td>Robert Vollmert</td></tr>
<tr><td><span title='2019-05-27 22:47:24 +0200'>2019-05-27</span></td><td><a href='/guix/commit/tests/utils.scm?id=4e48923e7523c863996bb616c6abb7e4cb78a3b5'>utils: Support compression and decompression with lzip.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-27 22:47:24 +0200'>2019-05-27</span></td><td><a href='/guix/commit/tests/utils.scm?id=4c7ebe318f6b3c4ddadcea8d08c9fb67ac46ec1e'>utils: Test 'compressed-port' and 'decompressed-port' for both gzip and xz.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-13 13:29:27 +0200'>2018-05-13</span></td><td><a href='/guix/commit/tests/utils.scm?id=437f62f02a1b8c89b8ab39ecd53926489fac42db'>utils: Add 'version-prefix?'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-05-10 14:53:56 +0200'>2018-05-10</span></td><td><a href='/guix/commit/tests/utils.scm?id=dac1c97d131d297134fa878ac240d9ec0127044b'>union: Add 'relative-file-name'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>