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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.
#include <memory>
#include "base/macros.h"
#include "extensions/browser/api/socket/tcp_socket.h"
#include "net/base/address_list.h"
#include "net/base/completion_callback.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/base/rand_callback.h"
#include "net/log/net_log_source.h"
#include "net/socket/tcp_client_socket.h"
#include "net/socket/tcp_server_socket.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "testing/gmock/include/gmock/gmock.h"
using testing::_;
using testing::DoAll;
using testing::Return;
using testing::SaveArg;
namespace extensions {
class MockTCPSocket : public net::TCPClientSocket {
public:
explicit MockTCPSocket(const net::AddressList& address_list)
: net::TCPClientSocket(address_list, NULL, NULL, net::NetLogSource()) {}
MOCK_METHOD3(Read, int(net::IOBuffer* buf, int buf_len,
const net::CompletionCallback& callback));
MOCK_METHOD4(Write,
int(net::IOBuffer* buf,
int buf_len,
const net::CompletionCallback& callback,
const net::NetworkTrafficAnnotationTag&));
MOCK_METHOD2(SetKeepAlive, bool(bool enable, int delay));
MOCK_METHOD1(SetNoDelay, bool(bool no_delay));
bool IsConnected() const override {
return true;
}
private:
DISALLOW_COPY_AND_ASSIGN(MockTCPSocket);
};
class MockTCPServerSocket : public net::TCPServerSocket {
public:
MockTCPServerSocket() : net::TCPServerSocket(NULL, net::NetLogSource()) {}
MOCK_METHOD2(Listen, int(const net::IPEndPoint& address, int backlog));
MOCK_METHOD2(Accept,
int(std::unique_ptr<net::StreamSocket>* socket,
const net::CompletionCallback& callback));
private:
DISALLOW_COPY_AND_ASSIGN(MockTCPServerSocket);
};
class CompleteHandler {
public:
CompleteHandler() {}
MOCK_METHOD1(OnComplete, void(int result_code));
MOCK_METHOD3(OnReadComplete,
void(int result_code,
scoped_refptr<net::IOBuffer> io_buffer,
bool socket_destroying));
// MOCK_METHOD cannot mock a scoped_ptr argument.
MOCK_METHOD2(OnAcceptMock, void(int, net::TCPClientSocket*));
void OnAccept(int count, std::unique_ptr<net::TCPClientSocket> socket) {
OnAcceptMock(count, socket.get());
}
private:
DISALLOW_COPY_AND_ASSIGN(CompleteHandler);
};
const std::string FAKE_ID = "abcdefghijklmnopqrst";
TEST(SocketTest, TestTCPSocketRead) {
net::AddressList address_list;
std::unique_ptr<MockTCPSocket> tcp_client_socket(
new MockTCPSocket(address_list));
CompleteHandler handler;
EXPECT_CALL(*tcp_client_socket, Read(_, _, _))
.Times(1);
EXPECT_CALL(handler, OnReadComplete(_, _, _)).Times(1);
std::unique_ptr<TCPSocket> socket(TCPSocket::CreateSocketForTesting(
std::move(tcp_client_socket), FAKE_ID, true));
const int count = 512;
socket->Read(count, base::Bind(&CompleteHandler::OnReadComplete,
base::Unretained(&handler)));
}
TEST(SocketTest, TestTCPSocketWrite) {
net::AddressList address_list;
std::unique_ptr<MockTCPSocket> tcp_client_socket(
new MockTCPSocket(address_list));
CompleteHandler handler;
net::CompletionCallback callback;
EXPECT_CALL(*tcp_client_socket, Write(_, _, _, _))
.Times(2)
.WillRepeatedly(testing::DoAll(SaveArg<2>(&callback), Return(128)));
EXPECT_CALL(handler, OnComplete(_))
.Times(1);
std::unique_ptr<TCPSocket> socket(TCPSocket::CreateSocketForTesting(
std::move(tcp_client_socket), FAKE_ID, true));
scoped_refptr<net::IOBufferWithSize> io_buffer(
new net::IOBufferWithSize(256));
socket->Write(io_buffer.get(), io_buffer->size(),
base::Bind(&CompleteHandler::OnComplete, base::Unretained(&handler)));
}
TEST(SocketTest, TestTCPSocketBlockedWrite) {
net::AddressList address_list;
std::unique_ptr<MockTCPSocket> tcp_client_socket(
new MockTCPSocket(address_list));
CompleteHandler handler;
net::CompletionCallback callback;
EXPECT_CALL(*tcp_client_socket, Write(_, _, _, _))
.Times(2)
.WillRepeatedly(
testing::DoAll(SaveArg<2>(&callback), Return(net::ERR_IO_PENDING)));
std::unique_ptr<TCPSocket> socket(TCPSocket::CreateSocketForTesting(
std::move(tcp_client_socket), FAKE_ID, true));
scoped_refptr<net::IOBufferWithSize> io_buffer(new net::IOBufferWithSize(42));
socket->Write(io_buffer.get(), io_buffer->size(),
base::Bind(&CompleteHandler::OnComplete, base::Unretained(&handler)));
// Good. Original call came back unable to complete. Now pretend the socket
// finished, and confirm that we passed the error back.
EXPECT_CALL(handler, OnComplete(42))
.Times(1);
callback.Run(40);
callback.Run(2);
}
TEST(SocketTest, TestTCPSocketBlockedWriteReentry) {
net::AddressList address_list;
std::unique_ptr<MockTCPSocket> tcp_client_socket(
new MockTCPSocket(address_list));
CompleteHandler handlers[5];
net::CompletionCallback callback;
EXPECT_CALL(*tcp_client_socket, Write(_, _, _, _))
.Times(5)
.WillRepeatedly(
testing::DoAll(SaveArg<2>(&callback), Return(net::ERR_IO_PENDING)));
std::unique_ptr<TCPSocket> socket(TCPSocket::CreateSocketForTesting(
std::move(tcp_client_socket), FAKE_ID, true));
scoped_refptr<net::IOBufferWithSize> io_buffers[5];
int i;
for (i = 0; i < 5; i++) {
io_buffers[i] = new net::IOBufferWithSize(128 + i * 50);
scoped_refptr<net::IOBufferWithSize> io_buffer1(
new net::IOBufferWithSize(42));
socket->Write(io_buffers[i].get(), io_buffers[i]->size(),
base::Bind(&CompleteHandler::OnComplete,
base::Unretained(&handlers[i])));
EXPECT_CALL(handlers[i], OnComplete(io_buffers[i]->size()))
.Times(1);
}
for (i = 0; i < 5; i++) {
callback.Run(128 + i * 50);
}
}
TEST(SocketTest, TestTCPSocketSetNoDelay) {
net::AddressList address_list;
std::unique_ptr<MockTCPSocket> tcp_client_socket(
new MockTCPSocket(address_list));
bool no_delay = false;
{
testing::InSequence dummy;
EXPECT_CALL(*tcp_client_socket, SetNoDelay(_))
.WillOnce(testing::DoAll(SaveArg<0>(&no_delay), Return(true)));
EXPECT_CALL(*tcp_client_socket, SetNoDelay(_))
.WillOnce(testing::DoAll(SaveArg<0>(&no_delay), Return(false)));
}
std::unique_ptr<TCPSocket> socket(
TCPSocket::CreateSocketForTesting(std::move(tcp_client_socket), FAKE_ID));
EXPECT_FALSE(no_delay);
int result = socket->SetNoDelay(true);
EXPECT_TRUE(result);
EXPECT_TRUE(no_delay);
result = socket->SetNoDelay(false);
EXPECT_FALSE(result);
EXPECT_FALSE(no_delay);
}
TEST(SocketTest, TestTCPSocketSetKeepAlive) {
net::AddressList address_list;
std::unique_ptr<MockTCPSocket> tcp_client_socket(
new MockTCPSocket(address_list));
bool enable = false;
int delay = 0;
{
testing::InSequence dummy;
EXPECT_CALL(*tcp_client_socket, SetKeepAlive(_, _))
.WillOnce(testing::DoAll(SaveArg<0>(&enable), SaveArg<1>(&delay),
Return(true)));
EXPECT_CALL(*tcp_client_socket, SetKeepAlive(_, _))
.WillOnce(testing::DoAll(SaveArg<0>(&enable), SaveArg<1>(&delay),
Return(false)));
}
std::unique_ptr<TCPSocket> socket(
TCPSocket::CreateSocketForTesting(std::move(tcp_client_socket), FAKE_ID));
EXPECT_FALSE(enable);
int result = socket->SetKeepAlive(true, 4500);
EXPECT_TRUE(result);
EXPECT_TRUE(enable);
EXPECT_EQ(4500, delay);
result = socket->SetKeepAlive(false, 0);
EXPECT_FALSE(result);
EXPECT_FALSE(enable);
EXPECT_EQ(0, delay);
}
TEST(SocketTest, TestTCPServerSocketListenAccept) {
std::unique_ptr<MockTCPServerSocket> tcp_server_socket(
new MockTCPServerSocket());
CompleteHandler handler;
EXPECT_CALL(*tcp_server_socket, Accept(_, _)).Times(1);
EXPECT_CALL(*tcp_server_socket, Listen(_, _)).Times(1);
std::unique_ptr<TCPSocket> socket(TCPSocket::CreateServerSocketForTesting(
std::move(tcp_server_socket), FAKE_ID));
EXPECT_CALL(handler, OnAcceptMock(_, _));
std::string err_msg;
EXPECT_EQ(net::OK, socket->Listen("127.0.0.1", 9999, 10, &err_msg));
socket->Accept(base::Bind(&CompleteHandler::OnAccept,
base::Unretained(&handler)));
}
} // namespace extensions
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