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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/html/parser/HTMLResourcePreloader.h"
#include "core/html/parser/PreloadRequest.h"
#include "core/testing/DummyPageHolder.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <memory>
namespace blink {
struct PreconnectTestCase {
const char* baseURL;
const char* url;
bool isCORS;
bool isHTTPS;
};
class PreloaderNetworkHintsMock : public NetworkHintsInterface {
public:
PreloaderNetworkHintsMock() : m_didPreconnect(false) {}
void dnsPrefetchHost(const String& host) const {}
void preconnectHost(
const KURL& host,
const CrossOriginAttributeValue crossOrigin) const override {
m_didPreconnect = true;
m_isHTTPS = host.protocolIs("https");
m_isCrossOrigin = (crossOrigin == CrossOriginAttributeAnonymous);
}
bool didPreconnect() { return m_didPreconnect; }
bool isHTTPS() { return m_isHTTPS; }
bool isCrossOrigin() { return m_isCrossOrigin; }
private:
mutable bool m_didPreconnect;
mutable bool m_isHTTPS;
mutable bool m_isCrossOrigin;
};
class HTMLResourcePreloaderTest : public testing::Test {
protected:
HTMLResourcePreloaderTest() : m_dummyPageHolder(DummyPageHolder::create()) {}
void test(PreconnectTestCase testCase) {
// TODO(yoav): Need a mock loader here to verify things are happenning
// beyond preconnect.
PreloaderNetworkHintsMock networkHints;
auto preloadRequest = PreloadRequest::createIfNeeded(
String(), TextPosition(), testCase.url,
KURL(ParsedURLStringTag(), testCase.baseURL), Resource::Image,
ReferrerPolicy(), FetchRequest::ResourceWidth(),
ClientHintsPreferences(), PreloadRequest::RequestTypePreconnect);
DCHECK(preloadRequest);
if (testCase.isCORS)
preloadRequest->setCrossOrigin(CrossOriginAttributeAnonymous);
HTMLResourcePreloader* preloader =
HTMLResourcePreloader::create(m_dummyPageHolder->document());
preloader->preload(std::move(preloadRequest), networkHints);
ASSERT_TRUE(networkHints.didPreconnect());
ASSERT_EQ(testCase.isCORS, networkHints.isCrossOrigin());
ASSERT_EQ(testCase.isHTTPS, networkHints.isHTTPS());
}
private:
std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
};
TEST_F(HTMLResourcePreloaderTest, testPreconnect) {
PreconnectTestCase testCases[] = {
{"http://example.test", "http://example.com", false, false},
{"http://example.test", "http://example.com", true, false},
{"http://example.test", "https://example.com", true, true},
{"http://example.test", "https://example.com", false, true},
{"http://example.test", "//example.com", false, false},
{"http://example.test", "//example.com", true, false},
{"https://example.test", "//example.com", false, true},
{"https://example.test", "//example.com", true, true},
};
for (const auto& testCase : testCases)
test(testCase);
}
} // namespace blink
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