tests/swh.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
   3 ;;;
   4 ;;; This file is part of GNU Guix.
   5 ;;;
   6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   7 ;;; under the terms of the GNU General Public License as published by
   8 ;;; the Free Software Foundation; either version 3 of the License, or (at
   9 ;;; your option) any later version.
  10 ;;;
  11 ;;; GNU Guix is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU General Public License
  17 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 (define-module (test-swh)
  20   #:use-module (guix swh)
  21   #:use-module (guix tests http)
  22   #:use-module (web response)
  23   #:use-module (srfi srfi-64))
  24
  25 ;; Test the JSON mapping machinery used in (guix swh).
  26
  27 (define %origin
  28   "{ \"id\": 42,
  29      \"visits_url\": \"/visits/42\",
  30      \"type\": \"git\",
  31      \"url\": \"http://example.org/guix.git\" }")
  32
  33 (define %directory-entries
  34   "[ { \"name\": \"one\",
  35        \"type\": \"regular\",
  36        \"length\": 123,
  37        \"dir_id\": 1 }
  38      { \"name\": \"two\",
  39        \"type\": \"regular\",
  40        \"length\": 456,
  41        \"dir_id\": 2 } ]")
  42
  43 (define-syntax-rule (with-json-result str exp ...)
  44   (with-http-server `((200 ,str))
  45     (parameterize ((%swh-base-url (%local-url)))
  46       exp ...)))
  47
  48 (test-begin "swh")
  49
  50 (test-equal "lookup-origin"
  51   (list 42 "git" "http://example.org/guix.git")
  52   (with-json-result %origin
  53     (let ((origin (lookup-origin "http://example.org/guix.git")))
  54       (list (origin-id origin)
  55             (origin-type origin)
  56             (origin-url origin)))))
  57
  58 (test-equal "lookup-origin, not found"
  59   #f
  60   (with-http-server `((404 "Nope."))
  61     (parameterize ((%swh-base-url (%local-url)))
  62       (lookup-origin "http://example.org/whatever"))))
  63
  64 (test-equal "lookup-directory"
  65   '(("one" 123) ("two" 456))
  66   (with-json-result %directory-entries
  67     (map (lambda (entry)
  68            (list (directory-entry-name entry)
  69                  (directory-entry-length entry)))
  70          (lookup-directory "123"))))
  71
  72 (test-equal "rate limit reached"
  73   3000000000
  74   (let ((too-many (build-response
  75                    #:code 429
  76                    #:reason-phrase "Too many requests"
  77
  78                    ;; Pretend we've reached the limit and it'll be reset in
  79                    ;; June 2065.
  80                    #:headers '((x-ratelimit-remaining . "0")
  81                                (x-ratelimit-reset . "3000000000")))))
  82     (with-http-server `((,too-many "Too bad."))
  83       (parameterize ((%swh-base-url (%local-url)))
  84         (catch 'swh-error
  85           (lambda ()
  86             (lookup-origin "http://example.org/guix.git"))
  87           (lambda (key url method response)
  88             ;; Ensure the reset time was recorded.
  89             (@@ (guix swh) %general-rate-limit-reset-time)))))))
  90
  91 (test-assert "%allow-request? and request-rate-limit-reached?"
  92   ;; Here we test two things: that the rate limit set above is in effect and
  93   ;; that %ALLOW-REQUEST? is called, and that 'request-rate-limit-reached?'
  94   ;; returns true.
  95   (let* ((key (gensym "skip-request"))
  96          (skip-if-limit-reached
  97           (lambda (url method)
  98             (or (not (request-rate-limit-reached? url method))
  99                 (throw key #t)))))
 100     (parameterize ((%allow-request? skip-if-limit-reached))
 101       (catch key
 102         (lambda ()
 103           (lookup-origin "http://example.org/guix.git")
 104           #f)
 105         (const #t)))))
 106
 107 (test-end "swh")
 108
 109 ;; Local Variables:
 110 ;; eval: (put 'with-json-result 'scheme-indent-function 1)
 111 ;; eval: (put 'with-http-server 'scheme-indent-function 1)
 112 ;; End:
 113