Add unit test for derivation parsing and output.

* guix/derivations.scm: Export `read-derivation' and `write-derivation'.

* srfi/srfi-64.scm, srfi/srfi-64.upstream.scm: New files, from libchop.
* tests/derivations.scm, tests/test.drv: New files.

1 files changed, 43 insertions, 0 deletions

diff --git a/tests/derivations.scm b/tests/derivations.scm
new file mode 100644
index 0000000000..21ec612ee6
--- /dev/null
+++ b/tests/derivations.scm
@@ -0,0 +1,43 @@
+;;; Guix --- Nix package management from Guile.         -*- coding: utf-8 -*-
+;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of Guix.
+;;;
+;;; 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.
+;;;
+;;; 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 Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+
+(define-module (test-derivations)
+  #:use-module (guix derivations)
+  #:use-module (srfi srfi-26)
+  #:use-module (srfi srfi-64)
+  #:use-module (rnrs io ports))
+
+(test-begin "derivations")
+
+(test-assert "parse & export"
+  (let* ((b1 (call-with-input-file "test.drv" get-bytevector-all))
+         (d1 (read-derivation (open-bytevector-input-port b1)))
+         (b2 (call-with-bytevector-output-port (cut write-derivation d1 <>)))
+         (d2 (read-derivation (open-bytevector-input-port b2))))
+    (and (equal? b1 b2)
+         (equal? d1 d2))))
+
+(test-end)
+
+
+(exit (= (test-runner-fail-count (test-runner-current)) 0))
+
+;;; Local Variables:
+;;; eval: (put 'test-assert 'scheme-indent-function 1)
+;;; End: