;;; 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")
<th class='left'>Author</th></tr>
<tr><td><span title='2021-12-23 10:54:00 +0100'>2021-12-23</span></td><td><a href='/guix/commit/tests/modules.scm?id=05a9d1f378e2e13e8f759be926ea368358afc27c'>Remove VM generation dead-code.</a><span class='msg-avail'>...<span class='msg-tooltip'>This code duplicates the (gnu system image) and (gnu build image) code. Using
VM for image generation is not needed, not portable and really slow. Remove
all the VM image generation code to make sure that only the image API is used.

* gnu/build/vm.scm: Remove it. Move the qemu-command procedure to ...
* gnu/build/marionette.scm: ... here.
* gnu/local.mk (GNU_SYSTEM_MODULES): Adapt it.
* tests/modules.scm: Ditto.
* gnu/tests/install.scm: Ditto.
* gnu/system/vm.scm: Adapt it and remove expression-&gt;derivation-in-linux-vm,
qemu-img, system-qemu-image/shared-store and system-docker-image procedures.
* doc/guix.texi (G-Expressions): Adapt it.
</span></span></td><td>Mathieu Othacehe</td></tr>