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/webrtc/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_METHOD1(GetSslCipher, bool(std::string* cipher));
  50   MOCK_CONST_METHOD1(GetLocalIdentity, bool(rtc::SSLIdentity** identity));
  51   MOCK_CONST_METHOD1(GetRemoteCertificate,
  52                      bool(rtc::SSLCertificate** cert));
  53   MOCK_METHOD6(ExportKeyingMaterial, bool(const std::string& label,
  54                                           const uint8* context,
  55                                           size_t context_len,
  56                                           bool use_context,
  57                                           uint8* result,
  58                                           size_t result_len));
  59 };
  60
  61 class TransportChannelSocketAdapterTest : public testing::Test {
  62  public:
  63   TransportChannelSocketAdapterTest()
  64       : callback_(base::Bind(&TransportChannelSocketAdapterTest::Callback,
  65                              base::Unretained(this))),
  66         callback_result_(0) {
  67   }
  68
  69  protected:
  70   void SetUp() override {
  71     target_.reset(new TransportChannelSocketAdapter(&channel_));
  72   }
  73
  74   void Callback(int result) {
  75     callback_result_ = result;
  76   }
  77
  78   MockTransportChannel channel_;
  79   scoped_ptr<TransportChannelSocketAdapter> target_;
  80   net::CompletionCallback callback_;
  81   int callback_result_;
  82   base::MessageLoopForIO message_loop_;
  83 };
  84
  85 // Verify that Read() returns net::ERR_IO_PENDING.
  86 TEST_F(TransportChannelSocketAdapterTest, Read) {
  87   scoped_refptr<IOBuffer> buffer(new IOBuffer(kBufferSize));
  88
  89   int result = target_->Read(buffer.get(), kBufferSize, callback_);
  90   ASSERT_EQ(net::ERR_IO_PENDING, result);
  91
  92   channel_.SignalReadPacket(&channel_, kTestData, kTestDataSize,
  93                             rtc::CreatePacketTime(0), 0);
  94   EXPECT_EQ(kTestDataSize, callback_result_);
  95 }
  96
  97 // Verify that Read() after Close() returns error.
  98 TEST_F(TransportChannelSocketAdapterTest, ReadClose) {
  99   scoped_refptr<IOBuffer> buffer(new IOBuffer(kBufferSize));
 100
 101   int result = target_->Read(buffer.get(), kBufferSize, callback_);
 102   ASSERT_EQ(net::ERR_IO_PENDING, result);
 103
 104   target_->Close(kTestError);
 105   EXPECT_EQ(kTestError, callback_result_);
 106
 107   // All Read() calls after Close() should return the error.
 108   EXPECT_EQ(kTestError, target_->Read(buffer.get(), kBufferSize, callback_));
 109 }
 110
 111 // Verify that Write sends the packet and returns correct result.
 112 TEST_F(TransportChannelSocketAdapterTest, Write) {
 113   scoped_refptr<IOBuffer> buffer(new IOBuffer(kTestDataSize));
 114
 115   EXPECT_CALL(channel_, SendPacket(buffer->data(), kTestDataSize, _, 0))
 116       .WillOnce(Return(kTestDataSize));
 117
 118   int result = target_->Write(buffer.get(), kTestDataSize, callback_);
 119   EXPECT_EQ(kTestDataSize, result);
 120 }
 121
 122 // Verify that the message is still sent if Write() is called while
 123 // socket is not open yet. The result is the packet is lost.
 124 TEST_F(TransportChannelSocketAdapterTest, WritePending) {
 125   scoped_refptr<IOBuffer> buffer(new IOBuffer(kTestDataSize));
 126
 127   EXPECT_CALL(channel_, SendPacket(buffer->data(), kTestDataSize, _, 0))
 128       .Times(1)
 129       .WillOnce(Return(SOCKET_ERROR));
 130
 131   EXPECT_CALL(channel_, GetError())
 132       .WillOnce(Return(EWOULDBLOCK));
 133
 134   int result = target_->Write(buffer.get(), kTestDataSize, callback_);
 135   ASSERT_EQ(net::OK, result);
 136 }
 137
 138 }  // namespace jingle_glue