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LibWeb/MimeSniff: Implement Resource

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See https://mimesniff.spec.whatwg.org/#resource
This commit is contained in:
Kemal Zebari 2023-10-05 21:24:13 -07:00 • committed by Andrew Kaster
parent a2a61d6941
commit 04e19df06a
5 changed files with 264 additions and 0 deletions
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32
Tests/LibWeb/TestMimeSniff.cpp Normal file
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/*
* Copyright (c) 2023, Kemal Zebari <kemalzebra@gmail.com>.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <LibWeb/MimeSniff/Resource.h>
TEST_CASE(determine_computed_mime_type_given_no_sniff_is_set)
{
auto mime_type = MUST(Web::MimeSniff::MimeType::create("text"_string, "html"_string));
auto computed_mime_type = MUST(Web::MimeSniff::Resource::sniff("\x00"sv.bytes(), Web::MimeSniff::SniffingConfiguration { .supplied_type = mime_type, .no_sniff = true }));
EXPECT_EQ("text/html"sv, MUST(computed_mime_type.serialized()));
}
TEST_CASE(determine_computed_mime_type_given_no_sniff_is_unset)
{
auto supplied_type = MUST(Web::MimeSniff::MimeType::create("text"_string, "html"_string));
auto computed_mime_type = MUST(Web::MimeSniff::Resource::sniff("\x00"sv.bytes(), Web::MimeSniff::SniffingConfiguration { .supplied_type = supplied_type }));
EXPECT_EQ("application/octet-stream"sv, MUST(computed_mime_type.serialized()));
// Make sure we cover the XML code path in the mime type sniffing algorithm.
auto xml_mime_type = "application/rss+xml"sv;
supplied_type = MUST(Web::MimeSniff::MimeType::parse(xml_mime_type)).release_value();
computed_mime_type = MUST(Web::MimeSniff::Resource::sniff("\x00"sv.bytes(), Web::MimeSniff::SniffingConfiguration { .supplied_type = supplied_type }));
EXPECT_EQ(xml_mime_type, MUST(computed_mime_type.serialized()));
}