remoting/jingle_glue/chromium_socket_factory_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "remoting/jingle_glue/chromium_socket_factory.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "testing/gmock/include/gmock/gmock.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "third_party/libjingle/source/talk/base/asyncpacketsocket.h"
  12 #include "third_party/libjingle/source/talk/base/socketaddress.h"
  13
  14 namespace remoting {
  15
  16 class ChromiumSocketFactoryTest : public testing::Test,
  17                                   public sigslot::has_slots<> {
  18  public:
  19   virtual void SetUp() OVERRIDE {
  20     socket_factory_.reset(new ChromiumPacketSocketFactory());
  21
  22     socket_.reset(socket_factory_->CreateUdpSocket(
  23         talk_base::SocketAddress("127.0.0.1", 0), 0, 0));
  24     ASSERT_TRUE(socket_.get() != NULL);
  25     EXPECT_EQ(socket_->GetState(), talk_base::AsyncPacketSocket::STATE_BOUND);
  26     socket_->SignalReadPacket.connect(
  27         this, &ChromiumSocketFactoryTest::OnPacket);
  28   }
  29
  30   void OnPacket(talk_base::AsyncPacketSocket* socket,
  31                 const char* data, size_t size,
  32                 const talk_base::SocketAddress& address) {
  33     EXPECT_EQ(socket, socket_.get());
  34     last_packet_.assign(data, data + size);
  35     last_address_ = address;
  36     run_loop_.Quit();
  37   }
  38
  39  protected:
  40   base::MessageLoopForIO message_loop_;
  41   base::RunLoop run_loop_;
  42
  43   scoped_ptr<talk_base::PacketSocketFactory> socket_factory_;
  44   scoped_ptr<talk_base::AsyncPacketSocket> socket_;
  45
  46   std::string last_packet_;
  47   talk_base::SocketAddress last_address_;
  48 };
  49
  50 TEST_F(ChromiumSocketFactoryTest, SendAndReceive) {
  51   // UDP packets may be lost, so we have to retry sending it more than once.
  52   const int kMaxAttempts = 3;
  53   const base::TimeDelta kAttemptPeriod = base::TimeDelta::FromSeconds(1);
  54
  55   scoped_ptr<talk_base::AsyncPacketSocket> sending_socket;
  56   talk_base::SocketAddress address;
  57
  58   sending_socket.reset(socket_factory_->CreateUdpSocket(
  59       talk_base::SocketAddress("127.0.0.1", 0), 0, 0));
  60   ASSERT_TRUE(sending_socket.get() != NULL);
  61   EXPECT_EQ(sending_socket->GetState(),
  62             talk_base::AsyncPacketSocket::STATE_BOUND);
  63   address = sending_socket->GetLocalAddress();
  64
  65   std::string test_packet("TEST PACKET");
  66   int attempts = 0;
  67   while (last_packet_.empty() && attempts++ < kMaxAttempts) {
  68     sending_socket->SendTo(test_packet.data(), test_packet.size(),
  69                            socket_->GetLocalAddress(),
  70                            talk_base::DSCP_NO_CHANGE);
  71     message_loop_.PostDelayedTask(FROM_HERE, run_loop_.QuitClosure(),
  72                                   kAttemptPeriod);
  73     run_loop_.Run();
  74   }
  75   EXPECT_EQ(test_packet, last_packet_);
  76   EXPECT_EQ(address, last_address_);
  77 }
  78
  79 TEST_F(ChromiumSocketFactoryTest, SetOptions) {
  80   EXPECT_EQ(0, socket_->SetOption(talk_base::Socket::OPT_SNDBUF, 4096));
  81   EXPECT_EQ(0, socket_->SetOption(talk_base::Socket::OPT_RCVBUF, 4096));
  82 }
  83
  84 TEST_F(ChromiumSocketFactoryTest, PortRange) {
  85   const int kMinPort = 12400;
  86   const int kMaxPort = 12410;
  87   socket_.reset(socket_factory_->CreateUdpSocket(
  88       talk_base::SocketAddress("127.0.0.1", 0), kMaxPort, kMaxPort));
  89   ASSERT_TRUE(socket_.get() != NULL);
  90   EXPECT_EQ(socket_->GetState(), talk_base::AsyncPacketSocket::STATE_BOUND);
  91   EXPECT_GE(socket_->GetLocalAddress().port(), kMinPort);
  92   EXPECT_LE(socket_->GetLocalAddress().port(), kMaxPort);
  93 }
  94
  95 }  // namespace remoting