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// Copyright (c) 2009 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_COMMON_NET_TEST_URL_FETCHER_FACTORY_H_
#define CHROME_COMMON_NET_TEST_URL_FETCHER_FACTORY_H_
#include <map>
#include <string>
#include "chrome/common/net/url_fetcher.h"
#include "googleurl/src/gurl.h"
// TestURLFetcher and TestURLFetcherFactory are used for testing consumers of
// URLFetcher. TestURLFetcherFactory is a URLFetcher::Factory that creates
// TestURLFetchers. TestURLFetcher::Start is overriden to do nothing. It is
// expected that you'll grab the delegate from the TestURLFetcher and invoke
// the callback method when appropriate. In this way it's easy to mock a
// URLFetcher.
// Typical usage:
// // TestURLFetcher requires a MessageLoop:
// MessageLoopForUI message_loop;
// // Create and register factory.
// TestURLFetcherFactory factory;
// URLFetcher::set_factory(&factory);
// // Do something that triggers creation of a URLFetcher.
// TestURLFetcher* fetcher = factory.GetFetcherByID(expected_id);
// DCHECK(fetcher);
// // Notify delegate with whatever data you want.
// fetcher->delegate()->OnURLFetchComplete(...);
// // Make sure consumer of URLFetcher does the right thing.
// ...
// // Reset factory.
// URLFetcher::set_factory(NULL);
class TestURLFetcher : public URLFetcher {
public:
TestURLFetcher(const GURL& url, RequestType request_type, Delegate* d);
// Returns the delegate installed on the URLFetcher.
Delegate* delegate() const { return URLFetcher::delegate(); }
// Overriden to do nothing. It is assumed the caller will notify the delegate.
virtual void Start() {}
// URL we were created with. Because of how we're using URLFetcher url()
// always returns an empty URL. Chances are you'll want to use original_url()
// in your tests.
const GURL& original_url() const { return original_url_; }
// Returns the data uploaded on this URLFetcher.
const std::string& upload_data() const { return URLFetcher::upload_data(); }
private:
const GURL original_url_;
DISALLOW_COPY_AND_ASSIGN(TestURLFetcher);
};
// Simple URLFetcher::Factory method that creates TestURLFetchers. All fetchers
// are registered in a map by the id passed to the create method.
class TestURLFetcherFactory : public URLFetcher::Factory {
public:
TestURLFetcherFactory() {}
virtual URLFetcher* CreateURLFetcher(int id,
const GURL& url,
URLFetcher::RequestType request_type,
URLFetcher::Delegate* d);
TestURLFetcher* GetFetcherByID(int id) const;
private:
// Maps from id passed to create to the returned URLFetcher.
typedef std::map<int, TestURLFetcher*> Fetchers;
Fetchers fetchers_;
DISALLOW_COPY_AND_ASSIGN(TestURLFetcherFactory);
};
#endif // CHROME_COMMON_NET_TEST_URL_FETCHER_FACTORY_H_
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