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Add builder-side utilities for phases, stream editing, & co.

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* guix/build/utils.scm (with-directory-excursion): New macro.
  (alist-cons-before, alist-cons-after, alist-replace): New procedures.
  (substitute): New procedure.

* tests/build-utils.scm: New file.

* Makefile.am (TESTS): Add `tests/build-utils.scm'.
This commit is contained in:
Ludovic Courtès
2012-07-01 17:32:03 +02:00
parent c9d01150c0
commit b0e0d0e99f
3 changed files with 176 additions and 1 deletions
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tests/build-utils.scm Normal file
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;;; 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-build-utils)
#:use-module (guix build utils)
#:use-module (srfi srfi-64))
(test-begin "build-utils")
(test-equal "alist-cons-before"
'((a . 1) (x . 42) (b . 2) (c . 3))
(alist-cons-before 'b 'x 42 '((a . 1) (b . 2) (c . 3))))
(test-equal "alist-cons-before, reference not found"
'((a . 1) (b . 2) (c . 3) (x . 42))
(alist-cons-before 'z 'x 42 '((a . 1) (b . 2) (c . 3))))
(test-equal "alist-cons-after"
'((a . 1) (b . 2) (x . 42) (c . 3))
(alist-cons-after 'b 'x 42 '((a . 1) (b . 2) (c . 3))))
(test-equal "alist-cons-after, reference not found"
'((a . 1) (b . 2) (c . 3) (x . 42))
(alist-cons-after 'z 'x 42 '((a . 1) (b . 2) (c . 3))))
(test-equal "alist-replace"
'((a . 1) (b . 77) (c . 3))
(alist-replace 'b 77 '((a . 1) (b . 2) (c . 3))))
(test-assert "alist-replace, key not found"
(not (false-if-exception
(alist-replace 'z 77 '((a . 1) (b . 2) (c . 3))))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0))
;;; Local Variables:
;;; eval: (put 'test-assert 'scheme-indent-function 1)
;;; eval: (put 'test-equal 'scheme-indent-function 1)
;;; End: