102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef SOCKET_MOCK_H_
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#define SOCKET_MOCK_H_
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#include <memory>
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#include <queue>
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#include <string>
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#include <android-base/macros.h>
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#include "socket.h"
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// A mock Socket implementation to be used for testing. Tests can set expectations for messages
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// to be sent and provide messages to be received in order to verify protocol behavior.
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//
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// Example: testing sending "foo" and receiving "bar".
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// SocketMock mock;
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// mock.ExpectSend("foo");
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// mock.AddReceive("bar");
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// EXPECT_TRUE(DoFooBar(&mock));
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//
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// Example: testing sending "foo" and expecting "bar", but receiving "baz" instead.
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// SocketMock mock;
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// mock.ExpectSend("foo");
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// mock.AddReceive("baz");
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// EXPECT_FALSE(DoFooBar(&mock));
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class SocketMock : public Socket {
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public:
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SocketMock();
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~SocketMock() override;
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bool Send(const void* data, size_t length) override;
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bool Send(std::vector<cutils_socket_buffer_t> buffers) override;
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ssize_t Receive(void* data, size_t length, int timeout_ms) override;
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int Close() override;
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virtual std::unique_ptr<Socket> Accept();
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// Adds an expectation for Send().
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void ExpectSend(std::string message);
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// Adds an expectation for Send() that returns false.
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void ExpectSendFailure(std::string message);
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// Adds data to provide for Receive().
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void AddReceive(std::string message);
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// Adds a Receive() timeout after which ReceiveTimedOut() will return true.
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void AddReceiveTimeout();
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// Adds a Receive() failure after which ReceiveTimedOut() will return false.
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void AddReceiveFailure();
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// Adds a Socket to return from Accept().
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void AddAccept(std::unique_ptr<Socket> sock);
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private:
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enum class EventType { kSend, kReceive, kAccept };
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struct Event {
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Event(EventType _type, std::string _message, ssize_t _status,
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std::unique_ptr<Socket> _sock);
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EventType type;
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std::string message;
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bool status; // Return value for Send() or timeout status for Receive().
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std::unique_ptr<Socket> sock;
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};
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std::queue<Event> events_;
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DISALLOW_COPY_AND_ASSIGN(SocketMock);
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};
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#endif // SOCKET_MOCK_H_
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