content/test/test_navigation_url_loader_delegate.h

// Copyright 2016 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.

#ifndef CONTENT_TEST_TEST_NAVIGATION_URL_LOADER_DELEGATE_H_
#define CONTENT_TEST_TEST_NAVIGATION_URL_LOADER_DELEGATE_H_

#include <memory>

#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "content/browser/loader/navigation_url_loader_delegate.h"
#include "net/url_request/redirect_info.h"

namespace base {
class RunLoop;
}

namespace content {

class StreamHandle;
struct ResourceResponse;

// PlzNavigate
// Test implementation of NavigationURLLoaderDelegate to monitor navigation
// progress in the network stack.
class TestNavigationURLLoaderDelegate : public NavigationURLLoaderDelegate {
 public:
  TestNavigationURLLoaderDelegate();
  ~TestNavigationURLLoaderDelegate() override;

  const net::RedirectInfo& redirect_info() const { return redirect_info_; }
  ResourceResponse* redirect_response() const {
    return redirect_response_.get();
  }
  ResourceResponse* response() const { return response_.get(); }
  StreamHandle* body() const { return body_.get(); }
  int net_error() const { return net_error_; }
  int on_request_handled_counter() const { return on_request_handled_counter_; }

  // Waits for various navigation events.
  // Note: if the event already happened, the functions will hang.
  // TODO(clamy): Make the functions not hang if they are called after the
  // event happened.
  void WaitForRequestRedirected();
  void WaitForResponseStarted();
  void WaitForRequestFailed();
  void WaitForRequestStarted();

  void ReleaseBody();

  // NavigationURLLoaderDelegate implementation.
  void OnRequestRedirected(
      const net::RedirectInfo& redirect_info,
      const scoped_refptr<ResourceResponse>& response) override;
  void OnResponseStarted(
      const scoped_refptr<ResourceResponse>& response,
      std::unique_ptr<StreamHandle> body,
      std::unique_ptr<NavigationData> navigation_data) override;
  void OnRequestFailed(bool in_cache, int net_error) override;
  void OnRequestStarted(base::TimeTicks timestamp) override;
  void OnServiceWorkerEncountered() override;

 private:
  net::RedirectInfo redirect_info_;
  scoped_refptr<ResourceResponse> redirect_response_;
  scoped_refptr<ResourceResponse> response_;
  std::unique_ptr<StreamHandle> body_;
  int net_error_;
  int on_request_handled_counter_;

  std::unique_ptr<base::RunLoop> request_redirected_;
  std::unique_ptr<base::RunLoop> response_started_;
  std::unique_ptr<base::RunLoop> request_failed_;
  std::unique_ptr<base::RunLoop> request_started_;

  DISALLOW_COPY_AND_ASSIGN(TestNavigationURLLoaderDelegate);
};

}  // namespace content

#endif  // CONTENT_TEST_TEST_NAVIGATION_URL_LOADER_DELEGATE_H