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content / public / test / prefetch_test_util.cc [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/test/prefetch_test_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "content/browser/preloading/prefetch/prefetch_container.h"
#include "content/browser/preloading/prefetch/prefetch_service.h"
#include "content/browser/preloading/prefetch/prefetch_url_loader_interceptor.h"
namespace content::test {
class TestPrefetchWatcherImpl {
public:
TestPrefetchWatcherImpl();
~TestPrefetchWatcherImpl();
TestPrefetchWatcherImpl(const TestPrefetchWatcherImpl&) = delete;
TestPrefetchWatcherImpl& operator=(const TestPrefetchWatcherImpl&) = delete;
PrefetchContainerIdForTesting WaitUntilPrefetchResponseCompleted(
const std::optional<blink::DocumentToken>& document_token,
const GURL& url);
std::optional<bool> PrefetchUsedInLastNavigation();
std::optional<PrefetchContainerIdForTesting>
GetPrefetchContainerIdForTestingInLastNavigation();
private:
void OnPrefetchResponseCompleted(
base::WeakPtr<PrefetchContainer> prefetch_container);
void OnPrefetchInterceptionCompleted(PrefetchContainer* prefetch_container);
PrefetchContainerIdForTesting WaitUntilPrefetchResponseCompleted(
const PrefetchContainer::Key& key);
PrefetchContainerIdForTesting GetContainerIdForTesting(
PrefetchContainer* prefetch_container);
std::map<PrefetchContainer::Key, base::WeakPtr<PrefetchContainer>>
response_completed_prefetches_;
std::map<PrefetchContainer::Key, base::OnceClosure>
response_completed_quit_closures_;
std::optional<raw_ptr<PrefetchContainer>>
prefetch_container_used_in_last_navigation_ = std::nullopt;
};
TestPrefetchWatcherImpl::TestPrefetchWatcherImpl() {
PrefetchService::SetPrefetchResponseCompletedCallbackForTesting(
base::BindRepeating(&TestPrefetchWatcherImpl::OnPrefetchResponseCompleted,
base::Unretained(this)));
PrefetchURLLoaderInterceptor::SetPrefetchCompleteCallbackForTesting(
base::BindRepeating(
&TestPrefetchWatcherImpl::OnPrefetchInterceptionCompleted,
base::Unretained(this)));
}
TestPrefetchWatcherImpl::~TestPrefetchWatcherImpl() {
PrefetchURLLoaderInterceptor::SetPrefetchCompleteCallbackForTesting(
base::DoNothing());
PrefetchService::SetPrefetchResponseCompletedCallbackForTesting(
base::DoNothing());
}
void TestPrefetchWatcherImpl::OnPrefetchResponseCompleted(
base::WeakPtr<PrefetchContainer> prefetch_container) {
const PrefetchContainer::Key& key = prefetch_container->key();
response_completed_prefetches_.emplace(key, prefetch_container);
if (response_completed_quit_closures_.contains(key)) {
auto quit_closure = std::move(response_completed_quit_closures_[key]);
response_completed_quit_closures_.erase(key);
std::move(quit_closure).Run();
}
}
void TestPrefetchWatcherImpl::OnPrefetchInterceptionCompleted(
PrefetchContainer* prefetch_container) {
prefetch_container_used_in_last_navigation_ = prefetch_container;
}
PrefetchContainerIdForTesting
TestPrefetchWatcherImpl::WaitUntilPrefetchResponseCompleted(
const std::optional<blink::DocumentToken>& document_token,
const GURL& url) {
return WaitUntilPrefetchResponseCompleted(
PrefetchContainer::Key(document_token, url));
}
PrefetchContainerIdForTesting
TestPrefetchWatcherImpl::WaitUntilPrefetchResponseCompleted(
const PrefetchContainer::Key& key) {
if (response_completed_prefetches_.contains(key)) {
return GetContainerIdForTesting(response_completed_prefetches_[key].get());
}
CHECK(!response_completed_quit_closures_.contains(key));
base::RunLoop loop;
response_completed_quit_closures_.emplace(key, loop.QuitClosure());
loop.Run();
return GetContainerIdForTesting(response_completed_prefetches_[key].get());
}
std::optional<bool> TestPrefetchWatcherImpl::PrefetchUsedInLastNavigation() {
if (prefetch_container_used_in_last_navigation_.has_value()) {
return !!prefetch_container_used_in_last_navigation_.value();
} else {
return std::nullopt;
}
}
std::optional<PrefetchContainerIdForTesting>
TestPrefetchWatcherImpl::GetPrefetchContainerIdForTestingInLastNavigation() {
if (!PrefetchUsedInLastNavigation().has_value()) {
return std::nullopt;
}
if (!PrefetchUsedInLastNavigation().value()) {
return InvalidPrefetchContainerIdForTesting;
}
return GetContainerIdForTesting(
prefetch_container_used_in_last_navigation_.value());
}
PrefetchContainerIdForTesting TestPrefetchWatcherImpl::GetContainerIdForTesting(
PrefetchContainer* prefetch_container) {
return prefetch_container
? PrefetchContainerIdForTesting(prefetch_container->RequestId())
: InvalidPrefetchContainerIdForTesting;
}
TestPrefetchWatcher::TestPrefetchWatcher()
: impl_(std::make_unique<TestPrefetchWatcherImpl>()) {}
TestPrefetchWatcher::~TestPrefetchWatcher() = default;
PrefetchContainerIdForTesting
TestPrefetchWatcher::WaitUntilPrefetchResponseCompleted(
const std::optional<blink::DocumentToken>& document_token,
const GURL& url) {
return impl_->WaitUntilPrefetchResponseCompleted(document_token, url);
}
std::optional<bool> TestPrefetchWatcher::PrefetchUsedInLastNavigation() {
return impl_->PrefetchUsedInLastNavigation();
}
std::optional<PrefetchContainerIdForTesting>
TestPrefetchWatcher::GetPrefetchContainerIdForTestingInLastNavigation() {
return impl_->GetPrefetchContainerIdForTestingInLastNavigation();
}
} // namespace content::test