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// Copyright (c) 2013 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 CHROME_BROWSER_POLICY_CLOUD_TEST_REQUEST_INTERCEPTOR_H_
#define CHROME_BROWSER_POLICY_CLOUD_TEST_REQUEST_INTERCEPTOR_H_
#include <stddef.h>
#include <string>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "components/policy/proto/device_management_backend.pb.h"
namespace base {
class FilePath;
class SequencedTaskRunner;
}
namespace net {
class NetworkDelegate;
class URLRequest;
class URLRequestJob;
}
namespace policy {
// Intercepts all requests to the given hostname while in scope, and allows
// queuing callbacks to handle expected requests. Must be created and destroyed
// while the IO thread is valid.
class TestRequestInterceptor {
public:
// A callback that returns a new URLRequestJob given a URLRequest.
// This is used to queue callbacks that will handle expected requests.
typedef base::Callback<
net::URLRequestJob*(net::URLRequest*, net::NetworkDelegate*)> JobCallback;
// Will intercept request to |hostname| made over HTTP.
TestRequestInterceptor(
const std::string& hostname,
scoped_refptr<base::SequencedTaskRunner> io_task_runner);
virtual ~TestRequestInterceptor();
// Returns the number of pending callback jobs that haven't been used yet.
size_t GetPendingSize();
// |callback| will be invoked on the current loop once the next request
// intercepted by this class has been dispatched.
void AddRequestServicedCallback(const base::Closure& callback);
// Queues |callback| to handle a request to |hostname_|. Each callback is
// used only once, and in the order that they're pushed.
void PushJobCallback(const JobCallback& callback);
// Returns a JobCallback that will fail with the given network |error|.
static JobCallback ErrorJob(int error);
// Returns a JobCallback that will fail with HTTP 400 Bad Request.
static JobCallback BadRequestJob();
// Returns a JobCallback that will process a policy register request that
// should succeed. The request parameters are validated, and an appropriate
// response is sent back.
// |expected_type| is the expected type in the register request.
// If |expect_reregister| is true then the request must have the reregister
// flag set; otherwise the flag must be not set.
static JobCallback RegisterJob(
enterprise_management::DeviceRegisterRequest::Type expected_type,
bool expect_reregister);
// Returns a JobCallback that will send the contents of |file_path|.
static JobCallback FileJob(const base::FilePath& file_path);
private:
class Delegate;
// Helper to execute a |task| on IO, and return only after it has completed.
void PostToIOAndWait(const base::Closure& task);
const std::string hostname_;
scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
// Owned by URLRequestFilter. This handle is valid on IO and only while the
// interceptor is valid.
Delegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(TestRequestInterceptor);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_CLOUD_TEST_REQUEST_INTERCEPTOR_H_
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