1 /* 2 * Copyright (c) 2013 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 // This test doesn't actually verify the output since it's just printed 12 // to stdout by void functions, but it's still useful as it executes the code. 13 14 #include <fstream> 15 #include <string> 16 17 #include "testing/gtest/include/gtest/gtest.h" 18 #include "webrtc/test/testsupport/fileutils.h" 19 #include "webrtc/tools/frame_analyzer/video_quality_analysis.h" 20 21 namespace webrtc { 22 namespace test { 23 24 // Setup a log file to write the output to instead of stdout because we don't 25 // want those numbers to be picked up as perf numbers. 26 class VideoQualityAnalysisTest : public ::testing::Test { 27 protected: 28 static void SetUpTestCase() { 29 std::string log_filename = webrtc::test::OutputPath() + 30 "VideoQualityAnalysisTest.log"; 31 logfile_ = fopen(log_filename.c_str(), "w"); 32 ASSERT_TRUE(logfile_ != NULL); 33 } 34 static void TearDownTestCase() { 35 ASSERT_EQ(0, fclose(logfile_)); 36 } 37 static FILE* logfile_; 38 }; 39 FILE* VideoQualityAnalysisTest::logfile_ = NULL; 40 41 TEST_F(VideoQualityAnalysisTest, PrintAnalysisResultsEmpty) { 42 ResultsContainer result; 43 PrintAnalysisResults(logfile_, "Empty", &result); 44 } 45 46 TEST_F(VideoQualityAnalysisTest, PrintAnalysisResultsOneFrame) { 47 ResultsContainer result; 48 result.frames.push_back(AnalysisResult(0, 35.0, 0.9)); 49 PrintAnalysisResults(logfile_, "OneFrame", &result); 50 } 51 52 TEST_F(VideoQualityAnalysisTest, PrintAnalysisResultsThreeFrames) { 53 ResultsContainer result; 54 result.frames.push_back(AnalysisResult(0, 35.0, 0.9)); 55 result.frames.push_back(AnalysisResult(1, 34.0, 0.8)); 56 result.frames.push_back(AnalysisResult(2, 33.0, 0.7)); 57 PrintAnalysisResults(logfile_, "ThreeFrames", &result); 58 } 59 60 TEST_F(VideoQualityAnalysisTest, PrintMaxRepeatedAndSkippedFramesInvalidFile) { 61 std::string stats_filename = OutputPath() + "non-existing-stats-file.txt"; 62 remove(stats_filename.c_str()); 63 PrintMaxRepeatedAndSkippedFrames(logfile_, "NonExistingStatsFile", 64 stats_filename); 65 } 66 67 TEST_F(VideoQualityAnalysisTest, 68 PrintMaxRepeatedAndSkippedFramesEmptyStatsFile) { 69 std::string stats_filename = OutputPath() + "empty-stats.txt"; 70 std::ofstream stats_file; 71 stats_file.open(stats_filename.c_str()); 72 stats_file.close(); 73 PrintMaxRepeatedAndSkippedFrames(logfile_, "EmptyStatsFile", stats_filename); 74 } 75 76 TEST_F(VideoQualityAnalysisTest, PrintMaxRepeatedAndSkippedFramesNormalFile) { 77 std::string stats_filename = OutputPath() + "stats.txt"; 78 std::ofstream stats_file; 79 stats_file.open(stats_filename.c_str()); 80 stats_file << "frame_0001 0100\n"; 81 stats_file << "frame_0002 0101\n"; 82 stats_file << "frame_0003 0101\n"; 83 stats_file << "frame_0004 0106\n"; 84 stats_file.close(); 85 86 PrintMaxRepeatedAndSkippedFrames(logfile_, "NormalStatsFile", stats_filename); 87 } 88 89 90 } // namespace test 91 } // namespace webrtc 92