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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 (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-end "swh")
+
+;; Local Variables:
+;; eval: (put 'with-json-result 'scheme-indent-function 1)
+;; End:
+