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;;; url-expand-tests.el --- Test suite for relative URI/URL resolution.
;; Copyright (C) 2012-2020 Free Software Foundation, Inc.
;; Author: Alain Schneble <a.s@realize.ch>
;; Version: 1.0
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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 Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Test cases covering URI reference resolution as described in RFC3986,
;; section 5. Reference Resolution and especially the relative resolution
;; rules specified in section 5.2. Relative Resolution.
;; Each test calls `url-expand-file-name', typically with a relative
;; reference URI and a base URI as string and compares the result (Actual)
;; against a manually specified URI (Expected)
;;; Code:
(require 'url-expand)
(require 'ert)
(ert-deftest url-expand-file-name/relative-resolution-normal-examples ()
"RFC 3986, Section 5.4 Reference Resolution Examples / Section 5.4.1. Normal Examples"
(should (equal (url-expand-file-name "g:h" "http://a/b/c/d;p?q") "g:h"))
(should (equal (url-expand-file-name "g" "http://a/b/c/d;p?q") "http://a/b/c/g"))
(should (equal (url-expand-file-name "./g" "http://a/b/c/d;p?q") "http://a/b/c/g"))
(should (equal (url-expand-file-name "g/" "http://a/b/c/d;p?q") "http://a/b/c/g/"))
(should (equal (url-expand-file-name "/g" "http://a/b/c/d;p?q") "http://a/g"))
(should (equal (url-expand-file-name "//g" "http://a/b/c/d;p?q") "http://g"))
(should (equal (url-expand-file-name "?y" "http://a/b/c/d;p?q") "http://a/b/c/d;p?y"))
(should (equal (url-expand-file-name "g?y" "http://a/b/c/d;p?q") "http://a/b/c/g?y"))
(should (equal (url-expand-file-name "#s" "http://a/b/c/d;p?q") "http://a/b/c/d;p?q#s"))
(should (equal (url-expand-file-name "g#s" "http://a/b/c/d;p?q") "http://a/b/c/g#s"))
(should (equal (url-expand-file-name "g?y#s" "http://a/b/c/d;p?q") "http://a/b/c/g?y#s"))
(should (equal (url-expand-file-name ";x" "http://a/b/c/d;p?q") "http://a/b/c/;x"))
(should (equal (url-expand-file-name "g;x" "http://a/b/c/d;p?q") "http://a/b/c/g;x"))
(should (equal (url-expand-file-name "g;x?y#s" "http://a/b/c/d;p?q") "http://a/b/c/g;x?y#s"))
(should (equal (url-expand-file-name "" "http://a/b/c/d;p?q") "http://a/b/c/d;p?q"))
(should (equal (url-expand-file-name "." "http://a/b/c/d;p?q") "http://a/b/c/"))
(should (equal (url-expand-file-name "./" "http://a/b/c/d;p?q") "http://a/b/c/"))
(should (equal (url-expand-file-name ".." "http://a/b/c/d;p?q") "http://a/b/"))
(should (equal (url-expand-file-name "../" "http://a/b/c/d;p?q") "http://a/b/"))
(should (equal (url-expand-file-name "../g" "http://a/b/c/d;p?q") "http://a/b/g"))
(should (equal (url-expand-file-name "../.." "http://a/b/c/d;p?q") "http://a/"))
(should (equal (url-expand-file-name "../../" "http://a/b/c/d;p?q") "http://a/"))
(should (equal (url-expand-file-name "../../g" "http://a/b/c/d;p?q") "http://a/g")))
(ert-deftest url-expand-file-name/relative-resolution-absolute-examples ()
"RFC 3986, Section 5.4 Reference Resolution Examples / Section 5.4.2. Abnormal Examples"
(should (equal (url-expand-file-name "../../../g" "http://a/b/c/d;p?q") "http://a/g"))
(should (equal (url-expand-file-name "../../../../g" "http://a/b/c/d;p?q") "http://a/g"))
(should (equal (url-expand-file-name "/./g" "http://a/b/c/d;p?q") "http://a/g"))
(should (equal (url-expand-file-name "/../g" "http://a/b/c/d;p?q") "http://a/g"))
(should (equal (url-expand-file-name "g." "http://a/b/c/d;p?q") "http://a/b/c/g."))
(should (equal (url-expand-file-name ".g" "http://a/b/c/d;p?q") "http://a/b/c/.g"))
(should (equal (url-expand-file-name "g.." "http://a/b/c/d;p?q") "http://a/b/c/g.."))
(should (equal (url-expand-file-name "..g" "http://a/b/c/d;p?q") "http://a/b/c/..g"))
(should (equal (url-expand-file-name "./../g" "http://a/b/c/d;p?q") "http://a/b/g"))
(should (equal (url-expand-file-name "./g/." "http://a/b/c/d;p?q") "http://a/b/c/g/"))
(should (equal (url-expand-file-name "g/./h" "http://a/b/c/d;p?q") "http://a/b/c/g/h"))
(should (equal (url-expand-file-name "g/../h" "http://a/b/c/d;p?q") "http://a/b/c/h"))
(should (equal (url-expand-file-name "g;x=1/./y" "http://a/b/c/d;p?q") "http://a/b/c/g;x=1/y"))
(should (equal (url-expand-file-name "g;x=1/../y" "http://a/b/c/d;p?q") "http://a/b/c/y"))
(should (equal (url-expand-file-name "g?y/./x" "http://a/b/c/d;p?q") "http://a/b/c/g?y/./x"))
(should (equal (url-expand-file-name "g?y/../x" "http://a/b/c/d;p?q") "http://a/b/c/g?y/../x"))
(should (equal (url-expand-file-name "g#s/./x" "http://a/b/c/d;p?q") "http://a/b/c/g#s/./x"))
(should (equal (url-expand-file-name "g#s/../x" "http://a/b/c/d;p?q") "http://a/b/c/g#s/../x"))
(should (equal (url-expand-file-name "http:g" "http://a/b/c/d;p?q") "http:g")) ; for strict parsers
)
(ert-deftest url-expand-file-name/relative-resolution-additional-examples ()
"Reference Resolution Examples / Arbitrary Examples"
(should (equal (url-expand-file-name "" "http://host/foobar") "http://host/foobar"))
(should (equal (url-expand-file-name "?y" "http://a/b/c/d") "http://a/b/c/d?y"))
(should (equal (url-expand-file-name "?y" "http://a/b/c/d/") "http://a/b/c/d/?y"))
(should (equal (url-expand-file-name "?y#fragment" "http://a/b/c/d;p?q") "http://a/b/c/d;p?y#fragment"))
(should (equal (url-expand-file-name "#bar" "http://host") "http://host#bar"))
(should (equal (url-expand-file-name "#bar" "http://host/") "http://host/#bar"))
(should (equal (url-expand-file-name "#bar" "http://host/foo") "http://host/foo#bar"))
(should (equal (url-expand-file-name "foo#bar" "http://host/foobar") "http://host/foo#bar"))
(should (equal (url-expand-file-name "foo#bar" "http://host/foobar/") "http://host/foobar/foo#bar")))
(provide 'url-expand-tests)
;;; url-expand-tests.el ends here
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