src/jingle/glue/channel_socket_adapter_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 "base/memory/ref_counted.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/message_loop/message_loop.h"
   8 #include "jingle/glue/channel_socket_adapter.h"
   9 #include "net/base/io_buffer.h"
  10 #include "net/base/net_errors.h"
  11 #include "net/socket/socket.h"
  12 #include "testing/gmock/include/gmock/gmock.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "third_party/libjingle/source/talk/p2p/base/transportchannel.h"
  15
  16 using net::IOBuffer;
  17
  18 using testing::_;
  19 using testing::Return;
  20
  21 namespace jingle_glue {
  22
  23 namespace {
  24 const int kBufferSize = 4096;
  25 const char kTestData[] = "data";
  26 const int kTestDataSize = 4;
  27 const int kTestError = -32123;
  28 }  // namespace
  29
  30 class MockTransportChannel : public cricket::TransportChannel {
  31  public:
  32   MockTransportChannel() : cricket::TransportChannel(std::string(), 0) {
  33     set_writable(true);
  34     set_readable(true);
  35   }
  36
  37   MOCK_METHOD4(SendPacket, int(const char* data,
  38                                size_t len,
  39                                const rtc::PacketOptions& options,
  40                                int flags));
  41   MOCK_METHOD2(SetOption, int(rtc::Socket::Option opt, int value));
  42   MOCK_METHOD0(GetError, int());
  43   MOCK_CONST_METHOD0(GetIceRole, cricket::IceRole());
  44   MOCK_METHOD1(GetStats, bool(cricket::ConnectionInfos* infos));
  45   MOCK_CONST_METHOD0(IsDtlsActive, bool());
  46   MOCK_CONST_METHOD1(GetSslRole, bool(rtc::SSLRole* role));
  47   MOCK_METHOD1(SetSrtpCiphers, bool(const std::vector<std::string>& ciphers));
  48   MOCK_METHOD1(GetSrtpCipher, bool(std::string* cipher));
  49   MOCK_CONST_METHOD1(GetLocalIdentity, bool(rtc::SSLIdentity** identity));
  50   MOCK_CONST_METHOD1(GetRemoteCertificate,
  51                      bool(rtc::SSLCertificate** cert));
  52   MOCK_METHOD6(ExportKeyingMaterial, bool(const std::string& label,
  53                                           const uint8* context,
  54                                           size_t context_len,
  55                                           bool use_context,
  56                                           uint8* result,
  57                                           size_t result_len));
  58 };
  59
  60 class TransportChannelSocketAdapterTest : public testing::Test {
  61  public:
  62   TransportChannelSocketAdapterTest()
  63       : callback_(base::Bind(&TransportChannelSocketAdapterTest::Callback,
  64                              base::Unretained(this))),
  65         callback_result_(0) {
  66   }
  67
  68  protected:
  69   virtual void SetUp() {
  70     target_.reset(new TransportChannelSocketAdapter(&channel_));
  71   }
  72
  73   void Callback(int result) {
  74     callback_result_ = result;
  75   }
  76
  77   MockTransportChannel channel_;
  78   scoped_ptr<TransportChannelSocketAdapter> target_;
  79   net::CompletionCallback callback_;
  80   int callback_result_;
  81   base::MessageLoopForIO message_loop_;
  82 };
  83
  84 // Verify that Read() returns net::ERR_IO_PENDING.
  85 TEST_F(TransportChannelSocketAdapterTest, Read) {
  86   scoped_refptr<IOBuffer> buffer(new IOBuffer(kBufferSize));
  87
  88   int result = target_->Read(buffer.get(), kBufferSize, callback_);
  89   ASSERT_EQ(net::ERR_IO_PENDING, result);
  90
  91   channel_.SignalReadPacket(&channel_, kTestData, kTestDataSize,
  92                             rtc::CreatePacketTime(0), 0);
  93   EXPECT_EQ(kTestDataSize, callback_result_);
  94 }
  95
  96 // Verify that Read() after Close() returns error.
  97 TEST_F(TransportChannelSocketAdapterTest, ReadClose) {
  98   scoped_refptr<IOBuffer> buffer(new IOBuffer(kBufferSize));
  99
 100   int result = target_->Read(buffer.get(), kBufferSize, callback_);
 101   ASSERT_EQ(net::ERR_IO_PENDING, result);
 102
 103   target_->Close(kTestError);
 104   EXPECT_EQ(kTestError, callback_result_);
 105
 106   // All Read() calls after Close() should return the error.
 107   EXPECT_EQ(kTestError, target_->Read(buffer.get(), kBufferSize, callback_));
 108 }
 109
 110 // Verify that Write sends the packet and returns correct result.
 111 TEST_F(TransportChannelSocketAdapterTest, Write) {
 112   scoped_refptr<IOBuffer> buffer(new IOBuffer(kTestDataSize));
 113
 114   EXPECT_CALL(channel_, SendPacket(buffer->data(), kTestDataSize, _, 0))
 115       .WillOnce(Return(kTestDataSize));
 116
 117   int result = target_->Write(buffer.get(), kTestDataSize, callback_);
 118   EXPECT_EQ(kTestDataSize, result);
 119 }
 120
 121 // Verify that the message is still sent if Write() is called while
 122 // socket is not open yet. The result is the packet is lost.
 123 TEST_F(TransportChannelSocketAdapterTest, WritePending) {
 124   scoped_refptr<IOBuffer> buffer(new IOBuffer(kTestDataSize));
 125
 126   EXPECT_CALL(channel_, SendPacket(buffer->data(), kTestDataSize, _, 0))
 127       .Times(1)
 128       .WillOnce(Return(SOCKET_ERROR));
 129
 130   EXPECT_CALL(channel_, GetError())
 131       .WillOnce(Return(EWOULDBLOCK));
 132
 133   int result = target_->Write(buffer.get(), kTestDataSize, callback_);
 134   ASSERT_EQ(net::OK, result);
 135 }
 136
 137 }  // namespace jingle_glue