guix/tests/swh.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 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-swh)
#:use-module (guix swh)
#:use-module (guix tests http)
#:use-module (web response)
#:use-module (srfi srfi-64))
;; Test the JSON mapping machinery used in (guix swh).
(define %origin
"{ \"id\": 42,
\"visits_url\": \"/visits/42\",
\"type\": \"git\",
\"url\": \"http://example.org/guix.git\" }")
(define %directory-entries
"[ { \"name\": \"one\",
\"type\": \"regular\",
\"length\": 123,
\"dir_id\": 1 }
{ \"name\": \"two\",
\"type\": \"regular\",
\"length\": 456,
\"dir_id\": 2 } ]")
(define-syntax-rule (with-json-result str exp ...)
(with-http-server `((200 ,str))
(parameterize ((%swh-base-url (%local-url)))
exp ...)))
(test-begin "swh")
(test-equal "lookup-origin"
(list 42 "git" "http://example.org/guix.git")
(with-json-result %origin
(let ((origin (lookup-origin "http://example.org/guix.git")))
(list (origin-id origin)
(origin-type origin)
(origin-url origin)))))
(test-equal "lookup-origin, not found"
#f
(with-http-server `((404 "Nope."))
(parameterize ((%swh-base-url (%local-url)))
(lookup-origin "http://example.org/whatever"))))
(test-equal "lookup-directory"
'(("one" 123) ("two" 456))
(with-json-result %directory-entries
(map (lambda (entry)
(list (directory-entry-name entry)
(directory-entry-length entry)))
(lookup-directory "123"))))
(test-equal "rate limit reached"
3000000000
(let ((too-many (build-response
#:code 429
#:reason-phrase "Too many requests"
;; Pretend we've reached the limit and it'll be reset in
;; June 2065.
#:headers '((x-ratelimit-remaining . "0")
(x-ratelimit-reset . "3000000000")))))
(with-http-server `((,too-many "Too bad."))
(parameterize ((%swh-base-url (%local-url)))
(catch 'swh-error
(lambda ()
(lookup-origin "http://example.org/guix.git"))
(lambda (key url method response)
;; Ensure the reset time was recorded.
(@@ (guix swh) %general-rate-limit-reset-time)))))))
(test-assert "%allow-request? and request-rate-limit-reached?"
;; Here we test two things: that the rate limit set above is in effect and
;; that %ALLOW-REQUEST? is called, and that 'request-rate-limit-reached?'
;; returns true.
(let* ((key (gensym "skip-request"))
(skip-if-limit-reached
(lambda (url method)
(or (not (request-rate-limit-reached? url method))
(throw key #t)))))
(parameterize ((%allow-request? skip-if-limit-reached))
(catch key
(lambda ()
(lookup-origin "http://example.org/guix.git")
#f)
(const #t)))))
(test-end "swh")
;; Local Variables:
;; eval: (put 'with-json-result 'scheme-indent-function 1)
;; eval: (put 'with-http-server 'scheme-indent-function 1)
;; End: