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// Copyright (c) 2012 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_TEST_URL_REQUEST_INTERCEPTOR_H_
#define NET_URL_REQUEST_TEST_URL_REQUEST_INTERCEPTOR_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
class GURL;
namespace base {
class FilePath;
class TaskRunner;
}
namespace net {
// Intercepts HTTP requests and gives pre-defined responses to specified URLs.
// The pre-defined responses are loaded from files on disk. The interception
// occurs while the TestURLRequestInterceptor is alive. This class may be
// instantiated on any thread.
class TestURLRequestInterceptor {
public:
// Registers an interceptor for URLs using |scheme| and |hostname|. URLs
// passed to "SetResponse" are required to use |scheme| and |hostname|.
// |network_task_runner| is the task runner used for network activity
// (e.g. where URL requests are processed).
// |worker_task_runner| will be used to read the files specified by
// either SetResponse() or SetResponseIgnoreQuery() asynchronously. It
// must be a task runner allowed to perform disk IO.
TestURLRequestInterceptor(
const std::string& scheme,
const std::string& hostname,
const scoped_refptr<base::TaskRunner>& network_task_runner,
const scoped_refptr<base::TaskRunner>& worker_task_runner);
virtual ~TestURLRequestInterceptor();
// When requests for |url| arrive, respond with the contents of |path|. The
// hostname and scheme of |url| must match the corresponding parameters
// passed as constructor arguments.
void SetResponse(const GURL& url, const base::FilePath& path);
// Identical to SetResponse, except that query parameters are ignored on
// incoming URLs when comparing against |url|.
void SetResponseIgnoreQuery(const GURL& url, const base::FilePath& path);
// Returns how many requests have been issued that have a stored reply.
int GetHitCount();
private:
class Delegate;
const std::string scheme_;
const std::string hostname_;
scoped_refptr<base::TaskRunner> network_task_runner_;
// After creation, |delegate_| lives on the thread of the
// |network_task_runner_|, and a task to delete it is posted from
// ~TestURLRequestInterceptor().
Delegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(TestURLRequestInterceptor);
};
// Specialization of TestURLRequestInterceptor where scheme is "http" and
// hostname is "localhost".
class LocalHostTestURLRequestInterceptor : public TestURLRequestInterceptor {
public:
LocalHostTestURLRequestInterceptor(
const scoped_refptr<base::TaskRunner>& network_task_runner,
const scoped_refptr<base::TaskRunner>& worker_task_runner);
private:
DISALLOW_COPY_AND_ASSIGN(LocalHostTestURLRequestInterceptor);
};
} // namespace net
#endif // NET_URL_REQUEST_TEST_URL_REQUEST_INTERCEPTOR_H_
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