guix/tests/elpa.scm
Maxime Devos c05ceaf2b6
tests: do not hard code HTTP ports
Previously, test cases could fail if some process was listening
at a hard-coded port.  This patch eliminates most of these potential
failures, by automatically assigning an unbound port.  This should
allow for building multiple guix trees in parallel outside a build
container, though this is currently untested.

The test "home-page: Connection refused" in tests/lint.scm still
hardcodes port 9999, however.

* guix/tests/http.scm
  (http-server-can-listen?): remove now unused procedure.
  (%http-server-port): default to port 0, meaning the OS
  will automatically choose a port.
  (open-http-server-socket): remove the false statement claiming
  this procedure is exported and also return the allocated port
  number.
  (%local-url): raise an error if the port is obviously unbound.
  (call-with-http-server): set %http-server-port to the allocated
  port while the thunk is called.
* tests/derivations.scm: adjust test cases to use automatically
  assign a port.  As there is no risk of a port conflict now,
  do not make any tests conditional upon 'http-server-can-listen?'
  anymore.
* tests/elpa.scm: likewise.
* tests/lint.scm: likewise, and add a TODO comment about a port
  that is still hard-coded.
* tests/texlive.scm: likewise.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2021-03-06 11:41:48 +01:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
;;;
;;; 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-elpa)
#:use-module (guix import elpa)
#:use-module (guix tests http)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-64)
#:use-module (ice-9 match)
#:use-module (web client))
(define elpa-mock-archive
'(1
(ace-window .
[(0 9 0)
((avy
(0 2 0)))
"Quickly switch windows." single
((:url . "https://github.com/abo-abo/ace-window")
(:keywords "window" "location"))])
(auctex .
[(11 88 6)
nil "Integrated environment for *TeX*" tar
((:url . "http://www.gnu.org/software/auctex/"))])))
(test-begin "elpa")
(define (eval-test-with-elpa pkg)
;; Set up an HTTP server and use it as a pseudo-proxy so that
;; 'elpa->guix-package' talks to it.
(with-http-server `((200 ,(object->string elpa-mock-archive))
(200 "This is the description.")
(200 "fake tarball contents"))
(parameterize ((current-http-proxy (%local-url)))
(match (elpa->guix-package pkg #:repo 'gnu/http)
(('package
('name "emacs-auctex")
('version "11.88.6")
('source
('origin
('method 'url-fetch)
('uri ('string-append
"http://elpa.gnu.org/packages/auctex-" 'version ".tar"))
('sha256 ('base32 (? string? hash)))))
('build-system 'emacs-build-system)
('home-page "http://www.gnu.org/software/auctex/")
('synopsis "Integrated environment for *TeX*")
('description "This is the description.")
('license 'license:gpl3+))
#t)
(x
(pk 'fail x #f))))))
(test-assert "elpa->guix-package test 1"
(eval-test-with-elpa "auctex"))
(test-end "elpa")
;; Local Variables:
;; eval: (put 'with-http-server 'scheme-indent-function 1)
;; End: