text: /*
   * libjingle
   * Copyright 2011 Google Inc.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   *  1. Redistributions of source code must retain the above copyright notice,
   *     this list of conditions and the following disclaimer.
   *  2. Redistributions in binary form must reproduce the above copyright notice,
   *     this list of conditions and the following disclaimer in the documentation
   *     and/or other materials provided with the distribution.
   *  3. The name of the author may not be used to endorse or promote products
   *     derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
   * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "talk/base/fakesslidentity.h"
  #include "talk/base/gunit.h"
  #include "talk/base/thread.h"
  #include "talk/p2p/base/constants.h"
  #include "talk/p2p/base/fakesession.h"
  #include "talk/p2p/base/parsing.h"
  #include "talk/p2p/base/p2ptransport.h"
  #include "talk/p2p/base/rawtransport.h"
  #include "talk/p2p/base/sessionmessages.h"
  #include "talk/xmllite/xmlelement.h"
  #include "talk/xmpp/constants.h"
  
  using cricket::Candidate;
  using cricket::Candidates;
  using cricket::Transport;
  using cricket::FakeTransport;
  using cricket::TransportChannel;
  using cricket::FakeTransportChannel;
  using cricket::TransportRole;
  using cricket::TransportDescription;
  using cricket::WriteError;
  using cricket::ParseError;
  using talk_base::SocketAddress;
  
  class TransportTest : public testing::Test,
                        public sigslot::has_slots<> {
   public:
    TransportTest()
        : thread_(talk_base::Thread::Current()),
          transport_(new FakeTransport(
              thread_, thread_, "test content name", NULL)),
          channel_(NULL),
          connecting_signalled_(false) {
      transport_->SignalConnecting.connect(this, &TransportTest::OnConnecting);
    }
    ~TransportTest() {
      transport_->DestroyAllChannels();
    }
    bool SetupChannel() {
      channel_ = CreateChannel(1);
      return (channel_ != NULL);
    }
    FakeTransportChannel* CreateChannel(int component) {
      return static_cast<FakeTransportChannel*>(
          transport_->CreateChannel(component));
    }
  
   protected:
    void OnConnecting(Transport* transport) {
      connecting_signalled_ = true;
    }
  
    talk_base::Thread* thread_;
    talk_base::scoped_ptr<FakeTransport> transport_;
    FakeTransportChannel* channel_;
    bool connecting_signalled_;
  };
  
  class FakeCandidateTranslator : public cricket::CandidateTranslator {
   public:
    void AddMapping(int component, const std::string& channel_name) {
      name_to_component[channel_name] = component;
      component_to_name[component] = channel_name;
    }
  
    bool GetChannelNameFromComponent(
        int component, std::string* channel_name) const {
      if (component_to_name.find(component) == component_to_name.end()) {
        return false;
      }
      *channel_name = component_to_name.find(component)->second;
      return true;
    }
    bool GetComponentFromChannelName(
        const std::string& channel_name, int* component) const {
      if (name_to_component.find(channel_name) == name_to_component.end()) {
        return false;
      }
      *component = name_to_component.find(channel_name)->second;
      return true;
    }
  
    std::map<std::string, int> name_to_component;
    std::map<int, std::string> component_to_name;
  };
  
  // Test that calling ConnectChannels triggers an OnConnecting signal.
  TEST_F(TransportTest, TestConnectChannelsDoesSignal) {
    EXPECT_TRUE(SetupChannel());
    transport_->ConnectChannels();
    EXPECT_FALSE(connecting_signalled_);
  
    EXPECT_TRUE_WAIT(connecting_signalled_, 100);
  }
  
  // Test that DestroyAllChannels kills any pending OnConnecting signals.
  TEST_F(TransportTest, TestDestroyAllClearsPosts) {
    EXPECT_TRUE(transport_->CreateChannel(1) != NULL);
  
    transport_->ConnectChannels();
    transport_->DestroyAllChannels();
  
    thread_->ProcessMessages(0);
    EXPECT_FALSE(connecting_signalled_);
  }
  
  // Tests that SetRole and SetTiebreaker are properly passed down to channels.
  TEST_F(TransportTest, TestSetRoleAndTiebreaker) {
    transport_->SetRole(cricket::ROLE_CONTROLLED);
    transport_->SetTiebreaker(99U);
    EXPECT_TRUE(SetupChannel());
    EXPECT_EQ(cricket::ROLE_CONTROLLED, channel_->role());
    EXPECT_EQ(99U, channel_->tiebreaker());
    transport_->SetRole(cricket::ROLE_CONTROLLING);
    EXPECT_EQ(cricket::ROLE_CONTROLLING, channel_->role());
  }
  
  // Tests that we can properly serialize/deserialize candidates.
  TEST_F(TransportTest, TestP2PTransportWriteAndParseCandidate) {
    Candidate test_candidate(
        "", 1, "udp",
        talk_base::SocketAddress("2001:db8:fefe::1", 9999),
        738197504, "abcdef", "ghijkl", "foo", "testnet", 50, "");
    Candidate test_candidate2(
        "", 2, "tcp",
        talk_base::SocketAddress("192.168.7.1", 9999),
        1107296256, "mnopqr", "stuvwx", "bar", "testnet2", 100, "");
    talk_base::SocketAddress host_address("www.google.com", 24601);
    host_address.SetResolvedIP(talk_base::IPAddress(0x0A000001));
    Candidate test_candidate3(
        "", 3, "spdy", host_address, 1476395008, "yzabcd",
        "efghij", "baz", "testnet3", 150, "");
    WriteError write_error;
    ParseError parse_error;
    talk_base::scoped_ptr<buzz::XmlElement> elem;
    cricket::Candidate parsed_candidate;
    cricket::P2PTransportParser parser;
  
    FakeCandidateTranslator translator;
    translator.AddMapping(1, "test");
    translator.AddMapping(2, "test2");
    translator.AddMapping(3, "test3");
  
    EXPECT_TRUE(parser.WriteGingleCandidate(test_candidate, &translator,
                                            elem.accept(), &write_error));
    EXPECT_EQ("", write_error.text);
    EXPECT_EQ("test", elem->Attr(buzz::QN_NAME));
    EXPECT_EQ("udp", elem->Attr(cricket::QN_PROTOCOL));
    EXPECT_EQ("2001:db8:fefe::1", elem->Attr(cricket::QN_ADDRESS));
    EXPECT_EQ("9999", elem->Attr(cricket::QN_PORT));
    EXPECT_EQ("0.34", elem->Attr(cricket::QN_PREFERENCE));
    EXPECT_EQ("abcdef", elem->Attr(cricket::QN_USERNAME));
    EXPECT_EQ("ghijkl", elem->Attr(cricket::QN_PASSWORD));
    EXPECT_EQ("foo", elem->Attr(cricket::QN_TYPE));
    EXPECT_EQ("testnet", elem->Attr(cricket::QN_NETWORK));
    EXPECT_EQ("50", elem->Attr(cricket::QN_GENERATION));
  
    EXPECT_TRUE(parser.ParseGingleCandidate(elem.get(), &translator,
                                            &parsed_candidate, &parse_error));
    EXPECT_TRUE(test_candidate.IsEquivalent(parsed_candidate));
  
    EXPECT_TRUE(parser.WriteGingleCandidate(test_candidate2, &translator,
                                            elem.accept(), &write_error));
    EXPECT_EQ("test2", elem->Attr(buzz::QN_NAME));
    EXPECT_EQ("tcp", elem->Attr(cricket::QN_PROTOCOL));
    EXPECT_EQ("192.168.7.1", elem->Attr(cricket::QN_ADDRESS));
    EXPECT_EQ("9999", elem->Attr(cricket::QN_PORT));
    EXPECT_EQ("0.51", elem->Attr(cricket::QN_PREFERENCE));
    EXPECT_EQ("mnopqr", elem->Attr(cricket::QN_USERNAME));
    EXPECT_EQ("stuvwx", elem->Attr(cricket::QN_PASSWORD));
    EXPECT_EQ("bar", elem->Attr(cricket::QN_TYPE));
    EXPECT_EQ("testnet2", elem->Attr(cricket::QN_NETWORK));
    EXPECT_EQ("100", elem->Attr(cricket::QN_GENERATION));
  
    EXPECT_TRUE(parser.ParseGingleCandidate(elem.get(), &translator,
                                            &parsed_candidate, &parse_error));
    EXPECT_TRUE(test_candidate2.IsEquivalent(parsed_candidate));
  
    // Check that an ip is preferred over hostname.
    EXPECT_TRUE(parser.WriteGingleCandidate(test_candidate3, &translator,
                                            elem.accept(), &write_error));
    EXPECT_EQ("test3", elem->Attr(cricket::QN_NAME));
    EXPECT_EQ("spdy", elem->Attr(cricket::QN_PROTOCOL));
    EXPECT_EQ("10.0.0.1", elem->Attr(cricket::QN_ADDRESS));
    EXPECT_EQ("24601", elem->Attr(cricket::QN_PORT));
    EXPECT_EQ("0.69", elem->Attr(cricket::QN_PREFERENCE));
    EXPECT_EQ("yzabcd", elem->Attr(cricket::QN_USERNAME));
    EXPECT_EQ("efghij", elem->Attr(cricket::QN_PASSWORD));
    EXPECT_EQ("baz", elem->Attr(cricket::QN_TYPE));
    EXPECT_EQ("testnet3", elem->Attr(cricket::QN_NETWORK));
    EXPECT_EQ("150", elem->Attr(cricket::QN_GENERATION));
  
    EXPECT_TRUE(parser.ParseGingleCandidate(elem.get(), &translator,
                                            &parsed_candidate, &parse_error));
    EXPECT_TRUE(test_candidate3.IsEquivalent(parsed_candidate));
  }
  