Henrik Boström | b619936 | 2018-03-12 10:27:55 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #include "pc/rtcstatstraversal.h" |
| 12 | |
| 13 | #include <memory> |
| 14 | #include <string> |
| 15 | #include <vector> |
| 16 | |
| 17 | #include "api/stats/rtcstats_objects.h" |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 18 | #include "test/gtest.h" |
Henrik Boström | b619936 | 2018-03-12 10:27:55 +0100 | [diff] [blame] | 19 | |
| 20 | // This file contains tests for TakeReferencedStats(). |
| 21 | // GetStatsNeighborIds() is tested in rtcstats_integrationtest.cc. |
| 22 | |
| 23 | namespace webrtc { |
| 24 | |
| 25 | class RTCStatsTraversalTest : public testing::Test { |
| 26 | public: |
| 27 | RTCStatsTraversalTest() { |
| 28 | transport_ = new RTCTransportStats("transport", 0); |
| 29 | candidate_pair_ = new RTCIceCandidatePairStats("candidate-pair", 0); |
| 30 | local_candidate_ = new RTCLocalIceCandidateStats("local-candidate", 0); |
| 31 | remote_candidate_ = new RTCRemoteIceCandidateStats("remote-candidate", 0); |
| 32 | initial_report_ = RTCStatsReport::Create(0); |
| 33 | initial_report_->AddStats(std::unique_ptr<const RTCStats>(transport_)); |
| 34 | initial_report_->AddStats(std::unique_ptr<const RTCStats>(candidate_pair_)); |
| 35 | initial_report_->AddStats( |
| 36 | std::unique_ptr<const RTCStats>(local_candidate_)); |
| 37 | initial_report_->AddStats( |
| 38 | std::unique_ptr<const RTCStats>(remote_candidate_)); |
| 39 | result_ = RTCStatsReport::Create(0); |
| 40 | } |
| 41 | |
| 42 | void TakeReferencedStats(std::vector<const RTCStats*> start_nodes) { |
| 43 | std::vector<std::string> start_ids; |
| 44 | for (const RTCStats* start_node : start_nodes) { |
| 45 | start_ids.push_back(start_node->id()); |
| 46 | } |
| 47 | result_ = webrtc::TakeReferencedStats(initial_report_, start_ids); |
| 48 | } |
| 49 | |
| 50 | void EXPECT_VISITED(const RTCStats* stats) { |
| 51 | EXPECT_FALSE(initial_report_->Get(stats->id())) |
| 52 | << '"' << stats->id() |
| 53 | << "\" should be visited but it was not removed from initial report."; |
| 54 | EXPECT_TRUE(result_->Get(stats->id())) |
| 55 | << '"' << stats->id() |
| 56 | << "\" should be visited but it was not added to the resulting report."; |
| 57 | } |
| 58 | |
| 59 | void EXPECT_UNVISITED(const RTCStats* stats) { |
| 60 | EXPECT_TRUE(initial_report_->Get(stats->id())) |
| 61 | << '"' << stats->id() |
| 62 | << "\" should not be visited but it was removed from initial report."; |
| 63 | EXPECT_FALSE(result_->Get(stats->id())) |
| 64 | << '"' << stats->id() |
| 65 | << "\" should not be visited but it was added to the resulting report."; |
| 66 | } |
| 67 | |
| 68 | protected: |
| 69 | rtc::scoped_refptr<RTCStatsReport> initial_report_; |
| 70 | rtc::scoped_refptr<RTCStatsReport> result_; |
| 71 | // Raw pointers to stats owned by the reports. |
| 72 | RTCTransportStats* transport_; |
| 73 | RTCIceCandidatePairStats* candidate_pair_; |
| 74 | RTCIceCandidateStats* local_candidate_; |
| 75 | RTCIceCandidateStats* remote_candidate_; |
| 76 | }; |
| 77 | |
| 78 | TEST_F(RTCStatsTraversalTest, NoReachableConnections) { |
| 79 | // Everything references transport but transport doesn't reference anything. |
| 80 | // |
| 81 | // candidate-pair |
| 82 | // | | | |
| 83 | // v | v |
| 84 | // local-candidate | remote-candidate |
| 85 | // | | | |
| 86 | // v v v |
| 87 | // start:transport |
| 88 | candidate_pair_->transport_id = "transport"; |
| 89 | candidate_pair_->local_candidate_id = "local-candidate"; |
| 90 | candidate_pair_->remote_candidate_id = "remote-candidate"; |
| 91 | local_candidate_->transport_id = "transport"; |
| 92 | remote_candidate_->transport_id = "transport"; |
| 93 | TakeReferencedStats({transport_}); |
| 94 | EXPECT_VISITED(transport_); |
| 95 | EXPECT_UNVISITED(candidate_pair_); |
| 96 | EXPECT_UNVISITED(local_candidate_); |
| 97 | EXPECT_UNVISITED(remote_candidate_); |
| 98 | } |
| 99 | |
| 100 | TEST_F(RTCStatsTraversalTest, SelfReference) { |
| 101 | transport_->rtcp_transport_stats_id = "transport"; |
| 102 | TakeReferencedStats({transport_}); |
| 103 | EXPECT_VISITED(transport_); |
| 104 | EXPECT_UNVISITED(candidate_pair_); |
| 105 | EXPECT_UNVISITED(local_candidate_); |
| 106 | EXPECT_UNVISITED(remote_candidate_); |
| 107 | } |
| 108 | |
| 109 | TEST_F(RTCStatsTraversalTest, BogusReference) { |
| 110 | transport_->rtcp_transport_stats_id = "bogus-reference"; |
| 111 | TakeReferencedStats({transport_}); |
| 112 | EXPECT_VISITED(transport_); |
| 113 | EXPECT_UNVISITED(candidate_pair_); |
| 114 | EXPECT_UNVISITED(local_candidate_); |
| 115 | EXPECT_UNVISITED(remote_candidate_); |
| 116 | } |
| 117 | |
| 118 | TEST_F(RTCStatsTraversalTest, Tree) { |
| 119 | // start:candidate-pair |
| 120 | // | | |
| 121 | // v v |
| 122 | // local-candidate remote-candidate |
| 123 | // | |
| 124 | // v |
| 125 | // transport |
| 126 | candidate_pair_->local_candidate_id = "local-candidate"; |
| 127 | candidate_pair_->remote_candidate_id = "remote-candidate"; |
| 128 | local_candidate_->transport_id = "transport"; |
| 129 | TakeReferencedStats({candidate_pair_}); |
| 130 | EXPECT_VISITED(transport_); |
| 131 | EXPECT_VISITED(candidate_pair_); |
| 132 | EXPECT_VISITED(local_candidate_); |
| 133 | EXPECT_VISITED(remote_candidate_); |
| 134 | } |
| 135 | |
| 136 | TEST_F(RTCStatsTraversalTest, MultiplePathsToSameNode) { |
| 137 | // start:candidate-pair |
| 138 | // | | |
| 139 | // v v |
| 140 | // local-candidate remote-candidate |
| 141 | // | | |
| 142 | // v v |
| 143 | // transport |
| 144 | candidate_pair_->local_candidate_id = "local-candidate"; |
| 145 | candidate_pair_->remote_candidate_id = "remote-candidate"; |
| 146 | local_candidate_->transport_id = "transport"; |
| 147 | remote_candidate_->transport_id = "transport"; |
| 148 | TakeReferencedStats({candidate_pair_}); |
| 149 | EXPECT_VISITED(transport_); |
| 150 | EXPECT_VISITED(candidate_pair_); |
| 151 | EXPECT_VISITED(local_candidate_); |
| 152 | EXPECT_VISITED(remote_candidate_); |
| 153 | } |
| 154 | |
| 155 | TEST_F(RTCStatsTraversalTest, CyclicGraph) { |
| 156 | // candidate-pair |
| 157 | // | ^ |
| 158 | // v | |
| 159 | // start:local-candidate | remote-candidate |
| 160 | // | | |
| 161 | // v | |
| 162 | // transport |
| 163 | local_candidate_->transport_id = "transport"; |
| 164 | transport_->selected_candidate_pair_id = "candidate-pair"; |
| 165 | candidate_pair_->local_candidate_id = "local-candidate"; |
| 166 | TakeReferencedStats({local_candidate_}); |
| 167 | EXPECT_VISITED(transport_); |
| 168 | EXPECT_VISITED(candidate_pair_); |
| 169 | EXPECT_VISITED(local_candidate_); |
| 170 | EXPECT_UNVISITED(remote_candidate_); |
| 171 | } |
| 172 | |
| 173 | TEST_F(RTCStatsTraversalTest, MultipleStarts) { |
| 174 | // start:candidate-pair |
| 175 | // | |
| 176 | // v |
| 177 | // local-candidate remote-candidate |
| 178 | // | |
| 179 | // v |
| 180 | // start:transport |
| 181 | candidate_pair_->remote_candidate_id = "remote-candidate"; |
| 182 | local_candidate_->transport_id = "transport"; |
| 183 | TakeReferencedStats({candidate_pair_, transport_}); |
| 184 | EXPECT_VISITED(transport_); |
| 185 | EXPECT_VISITED(candidate_pair_); |
| 186 | EXPECT_UNVISITED(local_candidate_); |
| 187 | EXPECT_VISITED(remote_candidate_); |
| 188 | } |
| 189 | |
| 190 | TEST_F(RTCStatsTraversalTest, MultipleStartsLeadingToSameNode) { |
| 191 | // candidate-pair |
| 192 | // |
| 193 | // |
| 194 | // start:local-candidate start:remote-candidate |
| 195 | // | | |
| 196 | // v v |
| 197 | // transport |
| 198 | local_candidate_->transport_id = "transport"; |
| 199 | remote_candidate_->transport_id = "transport"; |
| 200 | TakeReferencedStats({local_candidate_, remote_candidate_}); |
| 201 | EXPECT_VISITED(transport_); |
| 202 | EXPECT_UNVISITED(candidate_pair_); |
| 203 | EXPECT_VISITED(local_candidate_); |
| 204 | EXPECT_VISITED(remote_candidate_); |
| 205 | } |
| 206 | |
| 207 | } // namespace webrtc |