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// Copyright (c) 2006-2008 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 NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
#define NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_job.h"
// This job type is designed to help with simple unit tests. To use, you
// probably want to inherit from it to set up the state you want. Then install
// it as the protocol handler for the "test" scheme.
//
// It will respond to three URLs, which you can retrieve using the test_url*
// getters, which will in turn respond with the corresponding responses returned
// by test_data*. Any other URLs that begin with "test:" will return an error,
// which might also be useful, you can use test_url_error() to retreive a
// standard one.
//
// You can override the known URLs or the response data by overriding Start().
//
// When a job is created, it gets put on a queue of pending test jobs. To
// process jobs on this queue, use ProcessOnePendingMessage, which will process
// one step of the next job. If the job is incomplete, it will be added to the
// end of the queue.
class URLRequestTestJob : public URLRequestJob {
public:
URLRequestTestJob(URLRequest* request);
virtual ~URLRequestTestJob() {}
// the three URLs this handler will respond to
// FIXME(brettw): we should probably also have a redirect one
static GURL test_url_1();
static GURL test_url_2();
static GURL test_url_3();
static GURL test_url_error();
// the data that corresponds to each of the URLs above
static std::string test_data_1();
static std::string test_data_2();
static std::string test_data_3();
// Processes one pending message from the stack, returning true if any
// message was processed, or false if there are no more pending request
// notifications to send.
static bool ProcessOnePendingMessage();
// Factory method for protocol factory registration if callers don't subclass
static URLRequest::ProtocolFactory Factory;
// Job functions
virtual void Start();
virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int *bytes_read);
virtual void Kill();
virtual bool GetMimeType(std::string* mime_type);
virtual void GetResponseInfo(net::HttpResponseInfo* info);
protected:
// This is what operation we are going to do next when this job is handled.
// When the stage is DONE, this job will not be put on the queue.
enum Stage { WAITING, DATA_AVAILABLE, ALL_DATA, DONE };
// Call to process the next opeation, usually sending a notification, and
// advancing the stage if necessary. THIS MAY DELETE THE OBJECT, we will
// return false if the operations are complete, true if there are more.
bool ProcessNextOperation();
// Called via InvokeLater to cause callbacks to occur after Start() returns.
void StartAsync();
Stage stage_;
// The data to send, will be set in Start()
std::string data_;
// current offset within data_
int offset_;
// Holds the buffer for an asynchronous ReadRawData call
net::IOBuffer* async_buf_;
int async_buf_size_;
};
#endif // NET_URL_REQUEST_URL_REQUEST_TEST_JOB_H_
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