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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_TEST_PROXY_DELEGATE_H_
#define NET_BASE_TEST_PROXY_DELEGATE_H_
#include <optional>
#include <string>
#include <string_view>
#include <vector>
#include "base/memory/scoped_refptr.h"
#include "net/base/proxy_chain.h"
#include "net/base/proxy_delegate.h"
#include "net/base/proxy_server.h"
#include "net/proxy_resolution/proxy_list.h"
class GURL;
namespace net {
class ProxyInfo;
class ProxyResolutionService;
class TestProxyDelegate : public ProxyDelegate {
public:
TestProxyDelegate();
~TestProxyDelegate() override;
// Setter and getter for the proxy chain to use for a given URL when
// `OnResolveProxy()` is called. Attempting to get the proxy chain when one
// hasn't been set will result in a crash.
void set_proxy_chain(const ProxyChain& proxy_chain);
ProxyChain proxy_chain() const;
// Allow setting the proxy list directly, rather than via `set_proxy_chain()`.
void set_proxy_list(const ProxyList& proxy_list);
ProxyList proxy_list() const;
// Setter for the name of a header to add to the tunnel request. The value of
// the header will be based on the `OnBeforeTunnelRequest()` `proxy_chain` and
// `chain_index` parameters. If no extra header name is provided, no extra
// header will be added to the tunnel request.
void set_extra_header_name(std::string_view extra_header_name) {
extra_header_name_ = extra_header_name;
}
// Returns the header value that may be added to a tunnel request for a given
// proxy server. For more info, see `set_extra_header_name()`.
static std::string GetExtraHeaderValue(const ProxyServer& proxy_server);
// Returns the number of times `OnBeforeTunnelRequest()` was called.
size_t on_before_tunnel_request_call_count() const {
return on_before_tunnel_request_call_count_;
}
// Returns the number of times `OnTunnelHeadersReceived()` was called.
size_t on_tunnel_headers_received_call_count() {
return on_tunnel_headers_received_headers_.size();
}
// Make subsequent calls to `OnTunnelHeadersReceived()` fail with the given
// value.
void MakeOnTunnelHeadersReceivedFail(Error result);
// Checks whether the provided proxy chain, chain index, response header name,
// and response header value were passed to a given
// `OnTunnelHeadersReceived()` call.
void VerifyOnTunnelHeadersReceived(const ProxyChain& proxy_chain,
size_t chain_index,
const std::string& response_header_name,
const std::string& response_header_value,
size_t call_index = 0) const;
// ProxyDelegate implementation:
void OnResolveProxy(const GURL& url,
const NetworkAnonymizationKey& network_anonymization_key,
const std::string& method,
const ProxyRetryInfoMap& proxy_retry_info,
ProxyInfo* result) override;
void OnSuccessfulRequestAfterFailures(
const ProxyRetryInfoMap& proxy_retry_info) override;
void OnFallback(const ProxyChain& bad_chain, int net_error) override;
Error OnBeforeTunnelRequest(const ProxyChain& proxy_chain,
size_t chain_index,
HttpRequestHeaders* extra_headers) override;
Error OnTunnelHeadersReceived(
const ProxyChain& proxy_chain,
size_t chain_index,
const HttpResponseHeaders& response_headers) override;
void SetProxyResolutionService(
ProxyResolutionService* proxy_resolution_service) override;
bool AliasRequiresProxyOverride(
const std::string scheme,
const std::vector<std::string>& dns_aliases,
const net::NetworkAnonymizationKey& network_anonymization_key) override;
private:
std::optional<ProxyChain> proxy_chain_;
std::optional<ProxyList> proxy_list_;
std::optional<std::string> extra_header_name_;
size_t on_before_tunnel_request_call_count_ = 0;
Error on_tunnel_headers_received_result_ = OK;
std::vector<ProxyChain> on_tunnel_headers_received_proxy_chains_;
std::vector<size_t> on_tunnel_headers_received_chain_indices_;
std::vector<scoped_refptr<HttpResponseHeaders>>
on_tunnel_headers_received_headers_;
};
} // namespace net
#endif // NET_BASE_TEST_PROXY_DELEGATE_H_
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