gnu-maintenance: Add tests for 'release-file?'.

* tests/gnu-maintenance.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
* guix/gnu-maintenance.scm (release-file?): Export.

Makefile.am

@@ -199,6 +199,7 @@ SCM_TESTS =					\
   tests/pk-crypto.scm				\
   tests/pki.scm					\
   tests/sets.scm				\
+  tests/gnu-maintenance.scm			\
   tests/substitute.scm				\
   tests/builders.scm				\
   tests/derivations.scm				\

guix/gnu-maintenance.scm

@@ -50,6 +50,7 @@
             find-packages
             gnu-package?
 
+            release-file?
             releases
             latest-release
             gnu-release-archive-types

tests/gnu-maintenance.scm

@@ -0,0 +1,44 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 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-gnu-maintenance)
+  #:use-module (guix gnu-maintenance)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-64))
+
+(test-begin "gnu-maintenance")
+
+(test-assert "release-file?"
+  (and (every (lambda (project+file)
+                (apply release-file? project+file))
+              '(("gcc" "gcc-5.3.0.tar.bz2")
+                ("texmacs" "TeXmacs-1.0.7.9-src.tar.gz")
+                ("icecat" "icecat-38.4.0-gnu1.tar.bz2")
+                ("mit-scheme" "mit-scheme-9.2.tar.gz")))
+       (every (lambda (project+file)
+                (not (apply release-file? project+file)))
+              '(("guile" "guile-www-1.1.1.tar.gz")
+                ("guile" "guile-2.0.11.tar.gz.sig")
+                ("mit-scheme" "mit-scheme-9.2-i386.tar.gz")
+                ("mit-scheme" "mit-scheme-9.2-doc-pdf.tar.gz")
+                ("gnutls" "gnutls-3.2.18-w32.zip")))))
+
+(test-end)
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))