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// Copyright 2019 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/browser/loader/prefetch_browsertest_base.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/strings/utf_string_conversions.h"
#include "content/browser/loader/prefetch_url_loader_service_context.h"
#include "content/browser/loader/subresource_proxying_url_loader_service.h"
#include "content/browser/storage_partition_impl.h"
#include "content/browser/web_package/signed_exchange_handler.h"
#include "content/browser/web_package/signed_exchange_loader.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/http_request.h"
namespace content {
PrefetchBrowserTestBase::ResponseEntry::ResponseEntry() = default;
PrefetchBrowserTestBase::ResponseEntry::ResponseEntry(
const std::string& content,
const std::string& content_type,
const std::vector<std::pair<std::string, std::string>>& headers,
net::HttpStatusCode code)
: content(content),
content_type(content_type),
headers(headers),
code(code) {}
PrefetchBrowserTestBase::ResponseEntry::ResponseEntry(ResponseEntry&& other) =
default;
PrefetchBrowserTestBase::ResponseEntry::~ResponseEntry() = default;
PrefetchBrowserTestBase::ResponseEntry& PrefetchBrowserTestBase::ResponseEntry::
operator=(ResponseEntry&& other) = default;
PrefetchBrowserTestBase::ScopedSignedExchangeHandlerFactory::
ScopedSignedExchangeHandlerFactory(SignedExchangeHandlerFactory* factory) {
SignedExchangeLoader::SetSignedExchangeHandlerFactoryForTest(factory);
}
PrefetchBrowserTestBase::ScopedSignedExchangeHandlerFactory::
~ScopedSignedExchangeHandlerFactory() {
SignedExchangeLoader::SetSignedExchangeHandlerFactoryForTest(nullptr);
}
PrefetchBrowserTestBase::PrefetchBrowserTestBase() = default;
PrefetchBrowserTestBase::~PrefetchBrowserTestBase() = default;
void PrefetchBrowserTestBase::SetUpOnMainThread() {
ContentBrowserTest::SetUpOnMainThread();
StoragePartitionImpl* partition =
static_cast<StoragePartitionImpl*>(shell()
->web_contents()
->GetBrowserContext()
->GetDefaultStoragePartition());
partition->GetSubresourceProxyingURLLoaderService()
->prefetch_url_loader_service_context_for_testing()
.RegisterPrefetchLoaderCallbackForTest(base::BindRepeating(
&PrefetchBrowserTestBase::OnPrefetchURLLoaderCalled,
base::Unretained(this)));
}
void PrefetchBrowserTestBase::RegisterResponse(const std::string& url,
ResponseEntry&& entry) {
response_map_[url] = std::move(entry);
}
std::unique_ptr<net::test_server::HttpResponse>
PrefetchBrowserTestBase::ServeResponses(
const net::test_server::HttpRequest& request) {
auto found = response_map_.find(request.relative_url);
if (found != response_map_.end()) {
auto response = std::make_unique<net::test_server::BasicHttpResponse>();
response->set_code(found->second.code);
response->set_content(found->second.content);
response->set_content_type(found->second.content_type);
for (const auto& header : found->second.headers) {
response->AddCustomHeader(header.first, header.second);
}
return std::move(response);
}
return nullptr;
}
void PrefetchBrowserTestBase::OnPrefetchURLLoaderCalled() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
base::AutoLock lock(lock_);
prefetch_url_loader_called_++;
if (prefetch_loader_callback_) {
std::move(prefetch_loader_callback_).Run();
}
}
int PrefetchBrowserTestBase::GetPrefetchURLLoaderCallCount() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
base::AutoLock lock(lock_);
return prefetch_url_loader_called_;
}
void PrefetchBrowserTestBase::RegisterRequestHandler(
net::EmbeddedTestServer* test_server) {
test_server->RegisterRequestHandler(base::BindRepeating(
&PrefetchBrowserTestBase::ServeResponses, base::Unretained(this)));
}
void PrefetchBrowserTestBase::NavigateToURLAndWaitTitle(
const GURL& url,
const std::string& title) {
// If the current page already has the specified title, then the
// `WaitAndGetTitle()` call may return to early (for instance, before
// resources that might change the title have a chance to load. Callers of
// this method likely want the navigation to complete first, so check for
// this case beforehand to avoid surprises!
EXPECT_FALSE(EvalJs(shell()->web_contents(),
JsReplace("document.title === $1;", title))
.ExtractBool())
<< "Title already matches prior to the navigation";
std::u16string title16 = base::ASCIIToUTF16(title);
TitleWatcher title_watcher(shell()->web_contents(), title16);
// Execute the JavaScript code to trigger the followup navigation from the
// current page.
EXPECT_TRUE(
ExecJs(shell()->web_contents(), JsReplace("location.href = $1;", url)));
EXPECT_EQ(title16, title_watcher.WaitAndGetTitle());
}
void PrefetchBrowserTestBase::WaitUntilLoaded(const GURL& url) {
std::string script = R"(
new Promise((resolve) => {
const url = $1;
if (performance.getEntriesByName(url).length > 0) {
resolve();
return;
}
new PerformanceObserver((list) => {
if (list.getEntriesByName(url).length > 0) {
resolve();
}
}).observe({ entryTypes: ['resource'] });
})
)";
ASSERT_TRUE(ExecJs(shell()->web_contents(), JsReplace(script, url)));
}
void PrefetchBrowserTestBase::RegisterPrefetchLoaderCallback(
base::OnceClosure callback) {
prefetch_loader_callback_ = std::move(callback);
}
// static
scoped_refptr<PrefetchBrowserTestBase::RequestCounter>
PrefetchBrowserTestBase::RequestCounter::CreateAndMonitor(
net::EmbeddedTestServer* test_server,
const std::string& path,
base::RunLoop* waiter) {
auto counter = base::MakeRefCounted<RequestCounter>(path, waiter);
test_server->RegisterRequestMonitor(
base::BindRepeating(&RequestCounter::OnRequest, counter));
return counter;
}
PrefetchBrowserTestBase::RequestCounter::RequestCounter(const std::string& path,
base::RunLoop* waiter)
: waiter_closure_(waiter ? waiter->QuitClosure() : base::OnceClosure()),
path_(path) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
}
PrefetchBrowserTestBase::RequestCounter::~RequestCounter() = default;
int PrefetchBrowserTestBase::RequestCounter::GetRequestCount() {
base::AutoLock lock(lock_);
return request_count_;
}
void PrefetchBrowserTestBase::RequestCounter::OnRequest(
const net::test_server::HttpRequest& request) {
if (request.relative_url != path_) {
return;
}
base::AutoLock lock(lock_);
++request_count_;
if (waiter_closure_) {
std::move(waiter_closure_).Run();
}
}
} // namespace content
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