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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 "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "jingle/glue/channel_socket_adapter.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/socket/socket.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle/source/talk/p2p/base/transportchannel.h"
using net::IOBuffer;
using testing::_;
using testing::Return;
namespace jingle_glue {
namespace {
const int kBufferSize = 4096;
const char kTestData[] = "data";
const int kTestDataSize = 4;
const int kTestError = -32123;
} // namespace
class MockTransportChannel : public cricket::TransportChannel {
public:
MockTransportChannel() : cricket::TransportChannel(std::string(), 0) {
set_writable(true);
set_readable(true);
}
MOCK_METHOD4(SendPacket, int(const char* data,
size_t len,
talk_base::DiffServCodePoint dscp,
int flags));
MOCK_METHOD2(SetOption, int(talk_base::Socket::Option opt, int value));
MOCK_METHOD0(GetError, int());
MOCK_CONST_METHOD0(GetIceRole, cricket::IceRole());
MOCK_METHOD1(GetStats, bool(cricket::ConnectionInfos* infos));
MOCK_CONST_METHOD0(IsDtlsActive, bool());
MOCK_CONST_METHOD1(GetSslRole, bool(talk_base::SSLRole* role));
MOCK_METHOD1(SetSrtpCiphers, bool(const std::vector<std::string>& ciphers));
MOCK_METHOD1(GetSrtpCipher, bool(std::string* cipher));
MOCK_METHOD6(ExportKeyingMaterial, bool(const std::string& label,
const uint8* context,
size_t context_len,
bool use_context,
uint8* result,
size_t result_len));
};
class TransportChannelSocketAdapterTest : public testing::Test {
public:
TransportChannelSocketAdapterTest()
: callback_(base::Bind(&TransportChannelSocketAdapterTest::Callback,
base::Unretained(this))),
callback_result_(0) {
}
protected:
virtual void SetUp() {
target_.reset(new TransportChannelSocketAdapter(&channel_));
}
void Callback(int result) {
callback_result_ = result;
}
MockTransportChannel channel_;
scoped_ptr<TransportChannelSocketAdapter> target_;
net::CompletionCallback callback_;
int callback_result_;
base::MessageLoopForIO message_loop_;
};
// Verify that Read() returns net::ERR_IO_PENDING.
TEST_F(TransportChannelSocketAdapterTest, Read) {
scoped_refptr<IOBuffer> buffer(new IOBuffer(kBufferSize));
int result = target_->Read(buffer.get(), kBufferSize, callback_);
ASSERT_EQ(net::ERR_IO_PENDING, result);
channel_.SignalReadPacket(&channel_, kTestData, kTestDataSize, 0);
EXPECT_EQ(kTestDataSize, callback_result_);
}
// Verify that Read() after Close() returns error.
TEST_F(TransportChannelSocketAdapterTest, ReadClose) {
scoped_refptr<IOBuffer> buffer(new IOBuffer(kBufferSize));
int result = target_->Read(buffer.get(), kBufferSize, callback_);
ASSERT_EQ(net::ERR_IO_PENDING, result);
target_->Close(kTestError);
EXPECT_EQ(kTestError, callback_result_);
// All Read() calls after Close() should return the error.
EXPECT_EQ(kTestError, target_->Read(buffer.get(), kBufferSize, callback_));
}
// Verify that Write sends the packet and returns correct result.
TEST_F(TransportChannelSocketAdapterTest, Write) {
scoped_refptr<IOBuffer> buffer(new IOBuffer(kTestDataSize));
EXPECT_CALL(channel_, SendPacket(buffer->data(), kTestDataSize,
talk_base::DSCP_NO_CHANGE, 0))
.WillOnce(Return(kTestDataSize));
int result = target_->Write(buffer.get(), kTestDataSize, callback_);
EXPECT_EQ(kTestDataSize, result);
}
// Verify that the message is still sent if Write() is called while
// socket is not open yet. The result is the packet is lost.
TEST_F(TransportChannelSocketAdapterTest, WritePending) {
scoped_refptr<IOBuffer> buffer(new IOBuffer(kTestDataSize));
EXPECT_CALL(channel_, SendPacket(buffer->data(), kTestDataSize,
talk_base::DSCP_NO_CHANGE, 0))
.Times(1)
.WillOnce(Return(SOCKET_ERROR));
EXPECT_CALL(channel_, GetError())
.WillOnce(Return(EWOULDBLOCK));
int result = target_->Write(buffer.get(), kTestDataSize, callback_);
ASSERT_EQ(net::OK, result);
}
} // namespace jingle_glue
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