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 "chromeos/network/network_event_log.h" 6 7 #include <algorithm> 8 9 #include "base/basictypes.h" 10 #include "base/compiler_specific.h" 11 #include "base/format_macros.h" 12 #include "base/strings/string_split.h" 13 #include "base/strings/stringprintf.h" 14 #include "testing/gtest/include/gtest/gtest.h" 15 16 namespace chromeos { 17 namespace network_event_log { 18 19 namespace { 20 21 network_event_log::LogLevel kDefaultLevel = network_event_log::LOG_LEVEL_EVENT; 22 23 } // namespace 24 25 class NetworkEventLogTest : public testing::Test { 26 public: 27 NetworkEventLogTest() { 28 } 29 30 virtual void SetUp() OVERRIDE { 31 network_event_log::Initialize(); 32 } 33 34 virtual void TearDown() OVERRIDE { 35 network_event_log::Shutdown(); 36 } 37 38 protected: 39 std::string SkipTime(const std::string& input) { 40 std::string output; 41 std::vector<std::string> lines; 42 base::SplitString(input, '\n', &lines); 43 for (size_t i = 0; i < lines.size(); ++i) { 44 size_t n = lines[i].find(']'); 45 if (n != std::string::npos) 46 output += "[time] " + lines[i].substr(n+2) + '\n'; 47 else 48 output += lines[i]; 49 } 50 return output; 51 } 52 53 size_t CountLines(const std::string& input) { 54 return std::count(input.begin(), input.end(), '\n'); 55 } 56 57 std::string GetLogString(StringOrder order, size_t max_events) { 58 return network_event_log::GetAsString( 59 order, "file,desc", kDefaultLevel, max_events); 60 } 61 62 private: 63 DISALLOW_COPY_AND_ASSIGN(NetworkEventLogTest); 64 }; 65 66 TEST_F(NetworkEventLogTest, TestNetworkEvents) { 67 std::string output_none = GetLogString(OLDEST_FIRST, 0); 68 EXPECT_EQ("No Log Entries.", output_none); 69 70 LogLevel level = kDefaultLevel; 71 network_event_log::internal::AddEntry( 72 "file1", 1, level, "event1", "description1"); 73 network_event_log::internal::AddEntry( 74 "file2", 2, level, "event2", "description2"); 75 network_event_log::internal::AddEntry( 76 "file3", 3, level, "event3", "description3"); 77 network_event_log::internal::AddEntry( 78 "file3", 3, level, "event3", "description3"); 79 80 const std::string expected_output_oldest_first( 81 "file1:1 event1: description1\n" 82 "file2:2 event2: description2\n" 83 "file3:3 event3: description3 (2)\n"); 84 std::string output_oldest_first = GetLogString(OLDEST_FIRST, 0); 85 EXPECT_EQ(expected_output_oldest_first, output_oldest_first); 86 87 const std::string expected_output_oldest_first_short( 88 "file2:2 event2: description2\n" 89 "file3:3 event3: description3 (2)\n"); 90 std::string output_oldest_first_short = GetLogString(OLDEST_FIRST, 2); 91 EXPECT_EQ(expected_output_oldest_first_short, output_oldest_first_short); 92 93 const std::string expected_output_newest_first( 94 "file3:3 event3: description3 (2)\n" 95 "file2:2 event2: description2\n" 96 "file1:1 event1: description1\n"); 97 std::string output_newest_first = GetLogString(NEWEST_FIRST, 0); 98 EXPECT_EQ(expected_output_newest_first, output_newest_first); 99 100 const std::string expected_output_newest_first_short( 101 "file3:3 event3: description3 (2)\n" 102 "file2:2 event2: description2\n"); 103 std::string output_newest_first_short = GetLogString(NEWEST_FIRST, 2); 104 EXPECT_EQ(expected_output_newest_first_short, output_newest_first_short); 105 } 106 107 TEST_F(NetworkEventLogTest, TestMaxNetworkEvents) { 108 const size_t max_entries = network_event_log::internal::GetMaxLogEntries(); 109 const size_t entries_to_add = max_entries + 3; 110 for (size_t i = 0; i < entries_to_add; ++i) { 111 network_event_log::internal::AddEntry( 112 "test", 1, LOG_LEVEL_EVENT, 113 base::StringPrintf("event_%" PRIuS, i), ""); 114 } 115 std::string output = GetLogString(OLDEST_FIRST, 0); 116 size_t output_lines = CountLines(output); 117 EXPECT_EQ(max_entries, output_lines); 118 } 119 120 TEST_F(NetworkEventLogTest, TestStringFormat) { 121 network_event_log::internal::AddEntry( 122 "file", 0, LOG_LEVEL_ERROR, "event0", "description"); 123 EXPECT_EQ("file:0 event0\n", network_event_log::GetAsString( 124 OLDEST_FIRST, "file", kDefaultLevel, 1)); 125 EXPECT_EQ("[time] event0\n", SkipTime(network_event_log::GetAsString( 126 OLDEST_FIRST, "time", kDefaultLevel, 1))); 127 EXPECT_EQ("event0: description\n", network_event_log::GetAsString( 128 OLDEST_FIRST, "desc", kDefaultLevel, 1)); 129 EXPECT_EQ("event0\n", network_event_log::GetAsString( 130 OLDEST_FIRST, "", kDefaultLevel, 1)); 131 EXPECT_EQ("<b><i>event0</i></b>\n", network_event_log::GetAsString( 132 OLDEST_FIRST, "html", kDefaultLevel, 1)); 133 EXPECT_EQ("[time] file:0 event0: description\n", 134 SkipTime(network_event_log::GetAsString( 135 OLDEST_FIRST, "file,time,desc", kDefaultLevel, 1))); 136 137 network_event_log::internal::AddEntry( 138 "file", 0, LOG_LEVEL_DEBUG, "event1", "description"); 139 EXPECT_EQ("[time] file:0 <i>event1: description</i>\n", 140 SkipTime(network_event_log::GetAsString( 141 OLDEST_FIRST, "file,time,desc,html", LOG_LEVEL_DEBUG, 1))); 142 } 143 144 namespace { 145 146 void AddTestEvent(LogLevel level, const std::string& event) { 147 network_event_log::internal::AddEntry("file", 0, level, event, "description"); 148 } 149 150 } // namespace 151 152 TEST_F(NetworkEventLogTest, TestLogLevel) { 153 AddTestEvent(LOG_LEVEL_ERROR, "error1"); 154 AddTestEvent(LOG_LEVEL_ERROR, "error2"); 155 AddTestEvent(LOG_LEVEL_EVENT, "event3"); 156 AddTestEvent(LOG_LEVEL_ERROR, "error4"); 157 AddTestEvent(LOG_LEVEL_EVENT, "event5"); 158 AddTestEvent(LOG_LEVEL_DEBUG, "debug6"); 159 160 std::string output; 161 output = network_event_log::GetAsString( 162 OLDEST_FIRST, "", LOG_LEVEL_ERROR, 0); 163 EXPECT_EQ(3u, CountLines(output)); 164 output = network_event_log::GetAsString( 165 OLDEST_FIRST, "", LOG_LEVEL_EVENT, 0); 166 EXPECT_EQ(5u, CountLines(output)); 167 output = network_event_log::GetAsString( 168 OLDEST_FIRST, "", LOG_LEVEL_DEBUG, 0); 169 EXPECT_EQ(6u, CountLines(output)); 170 171 // Test max_level. Get only the ERROR entries. 172 output = network_event_log::GetAsString( 173 OLDEST_FIRST, "", LOG_LEVEL_ERROR, 0); 174 EXPECT_EQ("error1\nerror2\nerror4\n", output); 175 } 176 177 TEST_F(NetworkEventLogTest, TestMaxEvents) { 178 AddTestEvent(LOG_LEVEL_EVENT, "event1"); 179 AddTestEvent(LOG_LEVEL_ERROR, "error2"); 180 AddTestEvent(LOG_LEVEL_EVENT, "event3"); 181 AddTestEvent(LOG_LEVEL_ERROR, "error4"); 182 AddTestEvent(LOG_LEVEL_EVENT, "event5"); 183 184 // Oldest first 185 EXPECT_EQ("error4\n", network_event_log::GetAsString( 186 OLDEST_FIRST, "", LOG_LEVEL_ERROR, 1)); 187 188 EXPECT_EQ("error2\nerror4\n", network_event_log::GetAsString( 189 OLDEST_FIRST, "", LOG_LEVEL_ERROR, 2)); 190 191 EXPECT_EQ("event3\nerror4\nevent5\n", network_event_log::GetAsString( 192 OLDEST_FIRST, "", LOG_LEVEL_EVENT, 3)); 193 194 EXPECT_EQ("error2\nevent3\nerror4\nevent5\n", network_event_log::GetAsString( 195 OLDEST_FIRST, "", LOG_LEVEL_EVENT, 4)); 196 197 EXPECT_EQ("event1\nerror2\nevent3\nerror4\nevent5\n", 198 network_event_log::GetAsString( 199 OLDEST_FIRST, "", LOG_LEVEL_EVENT, 5)); 200 201 // Newest first 202 EXPECT_EQ("error4\n", network_event_log::GetAsString( 203 NEWEST_FIRST, "", LOG_LEVEL_ERROR, 1)); 204 205 EXPECT_EQ("error4\nerror2\n", network_event_log::GetAsString( 206 NEWEST_FIRST, "", LOG_LEVEL_ERROR, 2)); 207 208 EXPECT_EQ("event5\nerror4\nevent3\n", network_event_log::GetAsString( 209 NEWEST_FIRST, "", LOG_LEVEL_EVENT, 3)); 210 211 EXPECT_EQ("event5\nerror4\nevent3\nerror2\n", network_event_log::GetAsString( 212 NEWEST_FIRST, "", LOG_LEVEL_EVENT, 4)); 213 214 EXPECT_EQ("event5\nerror4\nevent3\nerror2\nevent1\n", 215 network_event_log::GetAsString( 216 NEWEST_FIRST, "", LOG_LEVEL_EVENT, 5)); 217 } 218 219 TEST_F(NetworkEventLogTest, TestMaxErrors) { 220 network_event_log::internal::SetMaxLogEntries(4); 221 AddTestEvent(LOG_LEVEL_EVENT, "event1"); 222 AddTestEvent(LOG_LEVEL_ERROR, "error2"); 223 AddTestEvent(LOG_LEVEL_EVENT, "event3"); 224 AddTestEvent(LOG_LEVEL_ERROR, "error4"); 225 AddTestEvent(LOG_LEVEL_EVENT, "event5"); 226 AddTestEvent(LOG_LEVEL_EVENT, "event6"); 227 EXPECT_EQ("error2\nerror4\nevent5\nevent6\n", network_event_log::GetAsString( 228 OLDEST_FIRST, "", LOG_LEVEL_DEBUG, 0)); 229 network_event_log::internal::SetMaxLogEntries(0); 230 EXPECT_EQ("No Log Entries.", network_event_log::GetAsString( 231 OLDEST_FIRST, "", LOG_LEVEL_DEBUG, 0)); 232 network_event_log::internal::SetMaxLogEntries(4); 233 AddTestEvent(LOG_LEVEL_ERROR, "error1"); 234 AddTestEvent(LOG_LEVEL_ERROR, "error2"); 235 AddTestEvent(LOG_LEVEL_ERROR, "error3"); 236 AddTestEvent(LOG_LEVEL_ERROR, "error4"); 237 AddTestEvent(LOG_LEVEL_EVENT, "event5"); 238 AddTestEvent(LOG_LEVEL_EVENT, "event6"); 239 EXPECT_EQ("error3\nerror4\nevent5\nevent6\n", network_event_log::GetAsString( 240 OLDEST_FIRST, "", LOG_LEVEL_DEBUG, 0)); 241 } 242 243 } // namespace network_event_log 244 } // namespace chromeos 245