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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Note: this test tests LOG_V and LOG_E since all other logs are expressed
// in forms of them. LOG is also tested for good measure.
// Also note that we are only allowed to call InitLogging() twice so the test
// cases are more dense than normal.
// The following include must be first in this file. It ensures that
// libjingle style logging is used.
#define LOGGING_INSIDE_LIBJINGLE
#include "third_party/libjingle/overrides/talk/base/logging.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#if defined(OS_WIN)
static const wchar_t* const log_file_name = L"libjingle_logging.log";
#else
static const char* const log_file_name = "libjingle_logging.log";
#endif
static const int kDefaultVerbosity = 0;
static const char* AsString(talk_base::LoggingSeverity severity) {
switch (severity) {
case talk_base::LS_ERROR:
return "LS_ERROR";
case talk_base::LS_WARNING:
return "LS_WARNING";
case talk_base::LS_INFO:
return "LS_INFO";
case talk_base::LS_VERBOSE:
return "LS_VERBOSE";
case talk_base::LS_SENSITIVE:
return "LS_SENSITIVE";
default:
return "";
}
}
static bool ContainsString(const std::string& original,
const char* string_to_match) {
return original.find(string_to_match) != std::string::npos;
}
static bool Initialize(int verbosity_level) {
if (verbosity_level != kDefaultVerbosity) {
// Update the command line with specified verbosity level for this file.
CommandLine* command_line = CommandLine::ForCurrentProcess();
std::ostringstream value_stream;
value_stream << "logging_unittest=" << verbosity_level;
const std::string& value = value_stream.str();
command_line->AppendSwitchASCII("vmodule", value);
}
// The command line flags are parsed here and the log file name is set.
logging::LoggingSettings settings;
settings.logging_dest = logging::LOG_TO_FILE;
settings.log_file = log_file_name;
settings.lock_log = logging::DONT_LOCK_LOG_FILE;
settings.delete_old = logging::DELETE_OLD_LOG_FILE;
if (!logging::InitLogging(settings)) {
return false;
}
EXPECT_TRUE(VLOG_IS_ON(verbosity_level));
EXPECT_FALSE(VLOG_IS_ON(verbosity_level + 1));
return true;
}
TEST(LibjingleLogTest, DefaultConfiguration) {
ASSERT_TRUE(Initialize(kDefaultVerbosity));
// In the default configuration nothing should be logged.
LOG_V(talk_base::LS_ERROR) << AsString(talk_base::LS_ERROR);
LOG_V(talk_base::LS_WARNING) << AsString(talk_base::LS_WARNING);
LOG_V(talk_base::LS_INFO) << AsString(talk_base::LS_INFO);
LOG_V(talk_base::LS_VERBOSE) << AsString(talk_base::LS_VERBOSE);
LOG_V(talk_base::LS_SENSITIVE) << AsString(talk_base::LS_SENSITIVE);
// Read file to string.
base::FilePath file_path(log_file_name);
std::string contents_of_file;
base::ReadFileToString(file_path, &contents_of_file);
// Make sure string contains the expected values.
EXPECT_FALSE(ContainsString(contents_of_file, AsString(talk_base::LS_ERROR)));
EXPECT_FALSE(ContainsString(contents_of_file,
AsString(talk_base::LS_WARNING)));
EXPECT_FALSE(ContainsString(contents_of_file, AsString(talk_base::LS_INFO)));
EXPECT_FALSE(ContainsString(contents_of_file,
AsString(talk_base::LS_VERBOSE)));
EXPECT_FALSE(ContainsString(contents_of_file,
AsString(talk_base::LS_SENSITIVE)));
}
TEST(LibjingleLogTest, InfoConfiguration) {
ASSERT_TRUE(Initialize(talk_base::LS_INFO));
// In this configuration everything lower or equal to LS_INFO should be
// logged.
LOG_V(talk_base::LS_ERROR) << AsString(talk_base::LS_ERROR);
LOG_V(talk_base::LS_WARNING) << AsString(talk_base::LS_WARNING);
LOG_V(talk_base::LS_INFO) << AsString(talk_base::LS_INFO);
LOG_V(talk_base::LS_VERBOSE) << AsString(talk_base::LS_VERBOSE);
LOG_V(talk_base::LS_SENSITIVE) << AsString(talk_base::LS_SENSITIVE);
// Read file to string.
base::FilePath file_path(log_file_name);
std::string contents_of_file;
base::ReadFileToString(file_path, &contents_of_file);
// Make sure string contains the expected values.
EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_ERROR)));
EXPECT_TRUE(ContainsString(contents_of_file,
AsString(talk_base::LS_WARNING)));
EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_INFO)));
EXPECT_FALSE(ContainsString(contents_of_file,
AsString(talk_base::LS_VERBOSE)));
EXPECT_FALSE(ContainsString(contents_of_file,
AsString(talk_base::LS_SENSITIVE)));
// Also check that the log is proper.
EXPECT_TRUE(ContainsString(contents_of_file, "logging_unittest.cc"));
EXPECT_FALSE(ContainsString(contents_of_file, "logging.h"));
EXPECT_FALSE(ContainsString(contents_of_file, "logging.cc"));
}
TEST(LibjingleLogTest, LogEverythingConfiguration) {
ASSERT_TRUE(Initialize(talk_base::LS_SENSITIVE));
// In this configuration everything should be logged.
LOG_V(talk_base::LS_ERROR) << AsString(talk_base::LS_ERROR);
LOG_V(talk_base::LS_WARNING) << AsString(talk_base::LS_WARNING);
LOG(LS_INFO) << AsString(talk_base::LS_INFO);
static const int kFakeError = 1;
LOG_E(LS_INFO, EN, kFakeError) << "LOG_E(" << AsString(talk_base::LS_INFO) <<
")";
LOG_V(talk_base::LS_VERBOSE) << AsString(talk_base::LS_VERBOSE);
LOG_V(talk_base::LS_SENSITIVE) << AsString(talk_base::LS_SENSITIVE);
// Read file to string.
base::FilePath file_path(log_file_name);
std::string contents_of_file;
base::ReadFileToString(file_path, &contents_of_file);
// Make sure string contains the expected values.
EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_ERROR)));
EXPECT_TRUE(ContainsString(contents_of_file,
AsString(talk_base::LS_WARNING)));
EXPECT_TRUE(ContainsString(contents_of_file, AsString(talk_base::LS_INFO)));
// LOG_E
EXPECT_TRUE(ContainsString(contents_of_file, strerror(kFakeError)));
EXPECT_TRUE(ContainsString(contents_of_file,
AsString(talk_base::LS_VERBOSE)));
EXPECT_TRUE(ContainsString(contents_of_file,
AsString(talk_base::LS_SENSITIVE)));
}
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