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content / public / test / url_loader_monitor.cc [blame]
// Copyright 2020 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/url_loader_monitor.h"
#include <map>
#include <memory>
#include <optional>
#include <set>
#include "base/functional/callback.h"
#include "base/run_loop.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "content/public/test/url_loader_interceptor.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/mojom/url_loader_completion_status.mojom.h"
#include "url/gurl.h"
namespace content {
URLLoaderMonitor::URLLoaderMonitor(std::set<GURL> urls_to_wait_for_request)
: interceptor_(std::make_unique<content::URLLoaderInterceptor>(
base::BindRepeating(&URLLoaderMonitor::OnRequest,
base::Unretained(this)),
base::BindRepeating(&URLLoaderMonitor::OnRequestComplete,
base::Unretained(this)))) {
base::AutoLock autolock(lock_);
urls_to_wait_for_request_ = std::move(urls_to_wait_for_request);
}
URLLoaderMonitor::~URLLoaderMonitor() {
// This is needed because |interceptor_| is a cross-thread object that may
// invoke the callback passed to it on the IO thread at any time until it's
// destroyed. Therefore, it must be destroyed before |this| is.
interceptor_.reset();
}
std::optional<network::ResourceRequest> URLLoaderMonitor::GetRequestInfo(
const GURL& url) {
base::AutoLock autolock(lock_);
const auto resource_request = resource_request_map_.find(url);
if (resource_request == resource_request_map_.end())
return std::nullopt;
return resource_request->second;
}
std::optional<network::URLLoaderCompletionStatus>
URLLoaderMonitor::GetCompletionStatus(const GURL& url) {
base::AutoLock autolock(lock_);
const auto completion_status = resource_completion_status_map_.find(url);
if (completion_status == resource_completion_status_map_.end())
return std::nullopt;
return completion_status->second;
}
const network::ResourceRequest& URLLoaderMonitor::WaitForUrl(
const GURL& url_to_wait_for_request) {
WaitForUrls({url_to_wait_for_request});
base::AutoLock autolock(lock_);
DCHECK(resource_request_map_.find(url_to_wait_for_request) !=
resource_request_map_.end());
return resource_request_map_[url_to_wait_for_request];
}
void URLLoaderMonitor::WaitForUrls(
const std::set<GURL>& urls_to_wait_for_request) {
base::RunLoop run_loop;
{
base::AutoLock autolock(lock_);
for (const GURL& url : urls_to_wait_for_request) {
if (resource_request_map_.find(url) != resource_request_map_.end())
continue;
urls_to_wait_for_request_.insert(url);
}
if (urls_to_wait_for_request_.empty())
return;
quit_request_run_loop_callback_ = run_loop.QuitClosure();
}
run_loop.Run();
}
const network::URLLoaderCompletionStatus&
URLLoaderMonitor::WaitForRequestCompletion(
const GURL& url_to_wait_for_completion) {
WaitForRequestCompletion(std::set<GURL>{url_to_wait_for_completion});
base::AutoLock autolock(lock_);
DCHECK(resource_completion_status_map_.find(url_to_wait_for_completion) !=
resource_completion_status_map_.end());
return resource_completion_status_map_[url_to_wait_for_completion];
}
void URLLoaderMonitor::WaitForRequestCompletion(
const std::set<GURL>& urls_to_wait_for_completion) {
base::RunLoop run_loop;
{
base::AutoLock autolock(lock_);
for (const GURL& url : urls_to_wait_for_completion) {
if (resource_completion_status_map_.find(url) !=
resource_completion_status_map_.end())
continue;
urls_to_wait_for_completion_.insert(url);
}
if (urls_to_wait_for_completion_.empty())
return;
quit_completion_run_loop_callback_ = run_loop.QuitClosure();
}
run_loop.Run();
}
void URLLoaderMonitor::ClearRequests() {
base::AutoLock autolock(lock_);
resource_request_map_.clear();
resource_completion_status_map_.clear();
}
bool URLLoaderMonitor::OnRequest(
content::URLLoaderInterceptor::RequestParams* params) {
base::AutoLock autolock(lock_);
resource_request_map_[params->url_request.url] = params->url_request;
if (urls_to_wait_for_request_.erase(params->url_request.url) &&
urls_to_wait_for_request_.empty()) {
// `run_loop_` my be null if WaitForUrls() has not been invoked, and URLs
// were passed into the constructor call.
if (quit_request_run_loop_callback_)
std::move(quit_request_run_loop_callback_).Run();
}
// Don't override default handling of the request.
return false;
}
void URLLoaderMonitor::OnRequestComplete(
const GURL& request_url,
const network::URLLoaderCompletionStatus& status) {
base::AutoLock autolock(lock_);
resource_completion_status_map_[request_url] = status;
if (urls_to_wait_for_completion_.erase(request_url) &&
urls_to_wait_for_completion_.empty()) {
std::move(quit_completion_run_loop_callback_).Run();
}
}
} // namespace content