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      1 /*
      2  * libjingle
      3  * Copyright 2012, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 // This file contains mock implementations of observers used in PeerConnection.
     29 
     30 #ifndef TALK_APP_WEBRTC_TEST_MOCKPEERCONNECTIONOBSERVERS_H_
     31 #define TALK_APP_WEBRTC_TEST_MOCKPEERCONNECTIONOBSERVERS_H_
     32 
     33 #include <string>
     34 
     35 #include "talk/app/webrtc/datachannelinterface.h"
     36 
     37 namespace webrtc {
     38 
     39 class MockCreateSessionDescriptionObserver
     40     : public webrtc::CreateSessionDescriptionObserver {
     41  public:
     42   MockCreateSessionDescriptionObserver()
     43       : called_(false),
     44         result_(false) {}
     45   virtual ~MockCreateSessionDescriptionObserver() {}
     46   virtual void OnSuccess(SessionDescriptionInterface* desc) {
     47     called_ = true;
     48     result_ = true;
     49     desc_.reset(desc);
     50   }
     51   virtual void OnFailure(const std::string& error) {
     52     called_ = true;
     53     result_ = false;
     54   }
     55   bool called() const { return called_; }
     56   bool result() const { return result_; }
     57   SessionDescriptionInterface* release_desc() {
     58     return desc_.release();
     59   }
     60 
     61  private:
     62   bool called_;
     63   bool result_;
     64   talk_base::scoped_ptr<SessionDescriptionInterface> desc_;
     65 };
     66 
     67 class MockSetSessionDescriptionObserver
     68     : public webrtc::SetSessionDescriptionObserver {
     69  public:
     70   MockSetSessionDescriptionObserver()
     71       : called_(false),
     72         result_(false) {}
     73   virtual ~MockSetSessionDescriptionObserver() {}
     74   virtual void OnSuccess() {
     75     called_ = true;
     76     result_ = true;
     77   }
     78   virtual void OnFailure(const std::string& error) {
     79     called_ = true;
     80     result_ = false;
     81   }
     82   bool called() const { return called_; }
     83   bool result() const { return result_; }
     84 
     85  private:
     86   bool called_;
     87   bool result_;
     88 };
     89 
     90 class MockDataChannelObserver : public webrtc::DataChannelObserver {
     91  public:
     92   explicit MockDataChannelObserver(webrtc::DataChannelInterface* channel)
     93      : channel_(channel), received_message_count_(0) {
     94     channel_->RegisterObserver(this);
     95     state_ = channel_->state();
     96   }
     97   virtual ~MockDataChannelObserver() {
     98     channel_->UnregisterObserver();
     99   }
    100 
    101   virtual void OnStateChange() { state_ = channel_->state(); }
    102   virtual void OnMessage(const DataBuffer& buffer) {
    103     last_message_.assign(buffer.data.data(), buffer.data.length());
    104     ++received_message_count_;
    105   }
    106 
    107   bool IsOpen() const { return state_ == DataChannelInterface::kOpen; }
    108   const std::string& last_message() const { return last_message_; }
    109   size_t received_message_count() const { return received_message_count_; }
    110 
    111  private:
    112   talk_base::scoped_refptr<webrtc::DataChannelInterface> channel_;
    113   DataChannelInterface::DataState state_;
    114   std::string last_message_;
    115   size_t received_message_count_;
    116 };
    117 
    118 class MockStatsObserver : public webrtc::StatsObserver {
    119  public:
    120   MockStatsObserver()
    121       : called_(false) {}
    122   virtual ~MockStatsObserver() {}
    123   virtual void OnComplete(const std::vector<webrtc::StatsReport>& reports) {
    124     called_ = true;
    125     reports_ = reports;
    126   }
    127 
    128   bool called() const { return called_; }
    129   size_t number_of_reports() const { return reports_.size(); }
    130 
    131   int AudioOutputLevel() {
    132     return GetSsrcStatsValue(
    133         webrtc::StatsReport::kStatsValueNameAudioOutputLevel);
    134   }
    135 
    136   int AudioInputLevel() {
    137     return GetSsrcStatsValue(
    138         webrtc::StatsReport::kStatsValueNameAudioInputLevel);
    139   }
    140 
    141   int BytesReceived() {
    142     return GetSsrcStatsValue(
    143         webrtc::StatsReport::kStatsValueNameBytesReceived);
    144   }
    145 
    146   int BytesSent() {
    147     return GetSsrcStatsValue(webrtc::StatsReport::kStatsValueNameBytesSent);
    148   }
    149 
    150  private:
    151   int GetSsrcStatsValue(const std::string name) {
    152     if (reports_.empty()) {
    153       return 0;
    154     }
    155     for (size_t i = 0; i < reports_.size(); ++i) {
    156       if (reports_[i].type != StatsReport::kStatsReportTypeSsrc)
    157         continue;
    158       webrtc::StatsReport::Values::const_iterator it =
    159           reports_[i].values.begin();
    160       for (; it != reports_[i].values.end(); ++it) {
    161         if (it->name == name) {
    162           return talk_base::FromString<int>(it->value);
    163         }
    164       }
    165     }
    166     return 0;
    167   }
    168 
    169   bool called_;
    170   std::vector<webrtc::StatsReport> reports_;
    171 };
    172 
    173 }  // namespace webrtc
    174 
    175 #endif  // TALK_APP_WEBRTC_TEST_MOCKPEERCONNECTIONOBSERVERS_H_
    176