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// 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_BROWSER_LOADER_TEST_URL_LOADER_CLIENT_H_
#define CONTENT_BROWSER_LOADER_TEST_URL_LOADER_CLIENT_H_

#include "base/callback.h"
#include "base/macros.h"
#include "content/common/resource_request_completion_status.h"
#include "content/common/url_loader.mojom.h"
#include "content/public/common/resource_response.h"
#include "mojo/public/c/system/data_pipe.h"
#include "mojo/public/cpp/bindings/binding.h"

namespace content {

// A TestURLLoaderClient records URLLoaderClient function calls. It also calls
// the closure set via set_quit_closure if set, in order to make it possible to
// create a base::RunLoop, set its quit closure to this client and then run the
// RunLoop.
class TestURLLoaderClient final : public mojom::URLLoaderClient {
 public:
  TestURLLoaderClient();
  ~TestURLLoaderClient() override;

  void OnReceiveResponse(const ResourceResponseHead& response_head) override;
  void OnStartLoadingResponseBody(
      mojo::ScopedDataPipeConsumerHandle body) override;
  void OnComplete(const ResourceRequestCompletionStatus& status) override;

  bool has_received_response() const { return has_received_response_; }
  bool has_received_completion() const { return has_received_completion_; }
  const ResourceResponseHead& response_head() const { return response_head_; }
  mojo::DataPipeConsumerHandle response_body() { return response_body_.get(); }
  const ResourceRequestCompletionStatus& completion_status() const {
    return completion_status_;
  }

  mojom::URLLoaderClientPtr CreateInterfacePtrAndBind();
  void Unbind();

  void RunUntilResponseReceived();
  void RunUntilResponseBodyArrived();
  void RunUntilComplete();

 private:
  mojo::Binding<mojom::URLLoaderClient> binding_;
  ResourceResponseHead response_head_;
  mojo::ScopedDataPipeConsumerHandle response_body_;
  ResourceRequestCompletionStatus completion_status_;
  bool has_received_response_ = false;
  bool has_received_completion_ = false;
  base::Closure quit_closure_for_on_received_response_;
  base::Closure quit_closure_for_on_start_loading_response_body_;
  base::Closure quit_closure_for_on_complete_;

  DISALLOW_COPY_AND_ASSIGN(TestURLLoaderClient);
};

}  // namespace content

#endif  // CONTENT_BROWSER_LOADER_TEST_URL_LOADER_CLIENT_H_