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(* This file is part of Markup.ml, released under the MIT license. See
LICENSE.md for details, or visit https://github.com/aantron/markup.ml. *)
open OUnit2
open Test_support
open Markup__Kstream
open Markup__Stream_io
open Markup__Detect
let ok = wrong_k "failed"
let _check_rewound chars s =
if String.length s > 0 then
next_option chars ok (assert_equal (Some s.[0]))
else
next_option chars ok (assert_equal None)
let _check_encoding_guess f s guess =
let chars = string s in
f chars ok (assert_equal guess);
_check_rewound chars s
let tests = [
("detect.normalize_name" >:: fun _ ->
normalize_name true "l2" |> assert_equal "iso-8859-2";
normalize_name true "utf8" |> assert_equal "utf-8";
normalize_name true "\t utf-8 " |> assert_equal "utf-8";
normalize_name true "sjis" |> assert_equal "shift_jis";
normalize_name true "foobar" |> assert_equal "foobar";
normalize_name true " foobar " |> assert_equal "foobar");
("detect.guess_from_bom_html" >:: fun _ ->
let check = _check_encoding_guess guess_from_bom_html in
check "\xfe\xff\x00f\x00o\x00o" (Some "utf-16be");
check "\xff\xfef\x00o\x00o\x00" (Some "utf-16le");
check "\xef\xbb\xbffoo" (Some "utf-8");
check "foo" None;
check "\xfe\xff" (Some "utf-16be");
check "\xff\xfe" (Some "utf-16le");
check "\xef\xbb\xbf" (Some "utf-8");
check "" None);
("detect.guess_from_bom_xml" >:: fun _ ->
let check = _check_encoding_guess guess_from_bom_xml in
check "\x00\x00\xfe\xff\x00\x00\x00f" (Some "ucs-4be");
check "\x00\x00\xfe\xff" (Some "ucs-4be");
check "\xff\xfe\x00\x00f\x00\x00\x00" (Some "ucs-4le");
check "\xff\xfe\x00\x00" (Some "ucs-4le");
check "\x00\x00\xff\xfe\x00\x00f\x00" (Some "ucs-4be-transposed");
check "\x00\x00\xff\xfe" (Some "ucs-4be-transposed");
check "\xfe\xff\x00\x00\x00f\x00\x00" (Some "ucs-4le-transposed");
check "\xfe\xff\x00\x00" (Some "ucs-4le-transposed");
check "\xfe\xff\x00f\x00o\x00o" (Some "utf-16be");
check "\xff\xfef\x00o\x00o\x00" (Some "utf-16le");
check "\xef\xbb\xbffoo" (Some "utf-8");
check "foo" None;
check "\xfe\xff" (Some "utf-16be");
check "\xff\xfe" (Some "utf-16le");
check "\xef\xbb\xbf" (Some "utf-8");
check "" None);
("detect.guess_family_xml" >:: fun _ ->
let check = _check_encoding_guess guess_family_xml in
check "\x00\x00\x00\x3c" (Some "ucs-4be");
check "\x3c\x00\x00\x00" (Some "ucs-4le");
check "\x00\x00\x3c\x00" (Some "ucs-4be-transposed");
check "\x00\x3c\x00\x00" (Some "ucs-4le-transposed");
check "\x00\x3c\x00\x3f" (Some "utf-16be");
check "\x3c\x00\x3f\x00" (Some "utf-16le");
check "\x3c\x3f\x78\x6d" (Some "utf-8");
check "\x4c\x6f\xa7\x94" (Some "ebcdic");
check "foo" None;
check "" None);
("detect.meta_tag_prescan" >:: fun _ ->
let check ?supported ?limit s result =
let chars = string s in
meta_tag_prescan ?supported ?limit chars ok (assert_equal result);
_check_rewound chars s
in
check "" None;
check "foobar" None;
check " " None;
check "<meta charset='shift_jis'>" (Some "shift_jis");
check "<mEtA cHaRsEt='SHIFT_JIS'>" (Some "shift_jis");
check "<meta http-equiv='content-type' content='charset=shift_jis'>"
(Some "shift_jis");
check "<meta content='charset=shift_jis' http-equiv='content-type'>"
(Some "shift_jis");
check "<meta content='charset=shift_jis'>" None;
check "<meta http-equiv=' content-type' content='charset=shift_jis'>" None;
check "<meta http-equiv= content-type content='charset=shift_jis'>"
(Some "shift_jis");
check "<meta http-equiv='content-type' content='charset = shift_jis'>"
(Some "shift_jis");
check "<meta http-equiv='content-type' content='foo charset = shift_jis'>"
(Some "shift_jis");
check "<meta http-equiv='content-type' content='cHaRsEt=SHIFT_JIS'>"
(Some "shift_jis");
check "<meta http-equiv='content-type' content='charset=shift_jis; foo'>"
(Some "shift_jis");
check "<meta http-equiv='content-type' content='charset=shift_jis foo'>"
(Some "shift_jis");
check
("<meta http-equiv='content-type' content='text/html' " ^
"charset='iso-8859-15'>")
(Some "iso-8859-15");
check "<meta http-equiv='content-type' content='charset=\"\"'>" None;
check "<meta>" None;
check "<meta charset=\"shift_jis\">" (Some "shift_jis");
check "<meta charset='sjis'>" (Some "shift_jis");
check "<meta charset='x-user-defined'>" (Some "x-user-defined");
check "<meta charset=' sjis '>" (Some "shift_jis");
check "<meta charset = 'shift_jis'>" (Some "shift_jis");
check "<meta charset='shift_jis'>" (Some "shift_jis");
check "<metacharset='shift_jis'>" None;
check "<meta charset='shift_jis'" (Some "shift_jis");
check "<meta charset='shift_jis" None;
check "<meta charset=shift_jis>" (Some "shift_jis");
check "<meta charset=sHiFt_JiS>" (Some "shift_jis");
check "<meta author='shift_jis'>" None;
check "<meta author='shift_jis'><meta charset='shift_jis'>"
(Some "shift_jis");
check "<meta author='foo' charset='shift_jis'>" (Some "shift_jis");
check "<meta charset='utf-8'><meta charset='shift_jis'>" (Some "utf-8");
check "<!-- foo --><meta charset='shift_jis'>" (Some "shift_jis");
check "<!-- <meta charset='utf-8'> --><meta charset='shift_jis'>"
(Some "shift_jis");
check "<!-- foo --><html><!-- bar --><meta charset='shift_jis'>"
(Some "shift_jis");
check "<!--><meta charset='shift_jis'>" (Some "shift_jis");
check "<! foo ><meta charset='shift_jis'>" (Some "shift_jis");
check "<!DOCTYPE html><meta charset='shift_jis'>" (Some "shift_jis");
check "</ ><meta charset='shift_jis'>" (Some "shift_jis");
check "<?xml ?><meta charset='shift_jis'>" (Some "shift_jis");
check " <meta charset='shift_jis'>" (Some "shift_jis");
check " foobar <meta charset='shift_jis'>" (Some "shift_jis");
check "<a></a><meta charset='shift_jis'>" (Some "shift_jis");
check "<a ></a><meta charset='shift_jis'>" (Some "shift_jis");
check "<a href='foo'></a><meta charset='shift_jis'>" (Some "shift_jis");
check "<a href='foo'></a><meta charset='shift_jis'>" (Some "shift_jis");
check "<a href=foo><meta charset='shift_jis'>" (Some "shift_jis");
check "<a href = 'foo' ><meta charset='shift_jis'>" (Some "shift_jis");
check "<a href='foo' alt=hah><meta charset='shift_jis'>" (Some "shift_jis");
check "<<meta charset='shift_jis'>" (Some "shift_jis");
check "<a href><meta charset='shift_jis'>" (Some "shift_jis");
check "<a href ><meta charset='shift_jis'>" (Some "shift_jis");
check "</a href><meta charset='shift_jis'>" (Some "shift_jis");
check "<meta charset='utf-16'>" (Some "utf-8");
let no_utf_8 =
fun s k ->
match s with
| "utf-8" -> k false
| _ -> k true
in
check ~supported:no_utf_8 "<meta charset='utf-8'>" None;
check ~supported:no_utf_8 "<meta charset='utf8'>" None;
check ~supported:no_utf_8 "<meta charset='shift_jis'>" (Some "shift_jis");
check ~supported:no_utf_8 "<meta charset='utf-8'><meta charset='shift_jis'>"
(Some "shift_jis");
check ~supported:no_utf_8 "<meta charset='utf8'><meta charset='shift_jis'>"
(Some "shift_jis");
check ~limit:0 "<meta charset='shift_jis'>" None;
check ~limit:16 "<meta charset='shift_jis'>" None;
check ~limit:32 "<meta charset='shift_jis'>" (Some "shift_jis"));
("detect.read_xml_encoding_declaration" >:: fun _ ->
let check family s result =
let chars = string s in
read_xml_encoding_declaration chars family ok (assert_equal result);
_check_rewound chars s
in
let open Markup__Encoding in
check utf_8 "<?xml encoding='utf-8'?>" (Some "utf-8");
check utf_16be "<?xml encoding='utf-8'?>" None;
check utf_8 "<?xml encoding='us-ascii'?>" (Some "us-ascii");
check utf_8 "<!-- foo --> <?xml encoding='utf-8'?>" (Some "utf-8");
check utf_8 "<!-- foo --> a <?xml encoding='utf-8'?>" None)
]
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