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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_
#define GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_
#include <list>
#include "google_apis/gcm/base/mcs_message.h"
#include "google_apis/gcm/engine/connection_handler.h"
#include "mojo/public/cpp/system/data_pipe.h"
namespace gcm {
// A fake implementation of a ConnectionHandler that can arbitrarily receive
// messages and verify expectations for outgoing messages.
class FakeConnectionHandler : public ConnectionHandler {
public:
FakeConnectionHandler(
const ConnectionHandler::ProtoReceivedCallback& read_callback,
const ConnectionHandler::ProtoSentCallback& write_callback,
const ConnectionHandler::ConnectionChangedCallback& connection_callback);
FakeConnectionHandler(const FakeConnectionHandler&) = delete;
FakeConnectionHandler& operator=(const FakeConnectionHandler&) = delete;
~FakeConnectionHandler() override;
// ConnectionHandler implementation.
void Init(const mcs_proto::LoginRequest& login_request,
mojo::ScopedDataPipeConsumerHandle receive_stream,
mojo::ScopedDataPipeProducerHandle send_stream) override;
void Reset() override;
bool CanSendMessage() const override;
void SendMessage(const google::protobuf::MessageLite& message) override;
// EXPECT's receipt of |message| via SendMessage(..).
void ExpectOutgoingMessage(const MCSMessage& message);
// Reset the expected outgoing messages.
void ResetOutgoingMessageExpectations();
// Whether all expected outgoing messages have been received;
bool AllOutgoingMessagesReceived() const;
// Passes on |message| to |write_callback_|.
void ReceiveMessage(const MCSMessage& message);
// Whether to return an error with the next login response.
void set_fail_login(bool fail_login) {
fail_login_ = fail_login;
}
// Whether to invoke the write callback on the next send attempt or fake a
// connection error instead.
void set_fail_send(bool fail_send) {
fail_send_ = fail_send;
}
// Whether a socket-level error was encountered or not.
void set_had_error(bool had_error) {
had_error_ = had_error;
}
bool initialized() const { return initialized_; }
private:
ConnectionHandler::ProtoReceivedCallback read_callback_;
ConnectionHandler::ProtoSentCallback write_callback_;
ConnectionHandler::ConnectionChangedCallback connection_callback_;
std::list<MCSMessage> expected_outgoing_messages_;
// Whether to fail the login or not.
bool fail_login_;
// Whether to fail a SendMessage call or not.
bool fail_send_;
// Whether a successful login has completed.
bool initialized_;
// Whether an error was encountered after a successful login.
bool had_error_;
};
} // namespace gcm
#endif // GOOGLE_APIS_GCM_ENGINE_FAKE_CONNECTION_HANDLER_H_
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