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arangodb/tests/Basics/LoggerTest.cpp

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C++

////////////////////////////////////////////////////////////////////////////////
/// @brief test suite for Logger
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2012 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Jan Steemann
/// @author Copyright 2015, ArangoDB GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "Basics/Common.h"
#include "Basics/FileUtils.h"
#include "catch.hpp"
#include "Logger/Logger.h"
#include "Logger/LogAppenderFile.h"
using namespace arangodb;
using namespace arangodb::basics;
// -----------------------------------------------------------------------------
// --SECTION-- test suite
// -----------------------------------------------------------------------------
TEST_CASE("LoggerTest", "[loggertest]") {
// store old state as backup
auto backup = LogAppenderFile::getFds();
std::string const path = TRI_GetTempPath();
std::string const logfile1 = path + "logfile1";
std::string const logfile2 = path + "logfile2";
FileUtils::remove(logfile1);
FileUtils::remove(logfile2);
// remove any previous loggers
LogAppenderFile::clear();
SECTION("test_fds") {
LogAppenderFile logger1(logfile1, "");
LogAppenderFile logger2(logfile2, "");
auto fds = LogAppenderFile::getFds();
CHECK(fds.size() == 2);
CHECK(std::get<1>(fds[0]) == logfile1);
CHECK(std::get<2>(fds[0])->fd() == std::get<0>(fds[0]));
logger1.logMessage(LogLevel::ERR, "some error message", 0);
logger2.logMessage(LogLevel::WARN, "some warning message", 0);
std::string content = FileUtils::slurp(logfile1);
CHECK(content.find("some error message") != std::string::npos);
CHECK(content.find("some warning message") == std::string::npos);
content = FileUtils::slurp(logfile2);
CHECK(content.find("some error message") == std::string::npos);
CHECK(content.find("some warning message") != std::string::npos);
LogAppenderFile::clear();
}
SECTION("test_fds_after_reopen") {
LogAppenderFile logger1(logfile1, "");
LogAppenderFile logger2(logfile2, "");
auto fds = LogAppenderFile::getFds();
CHECK(fds.size() == 2);
CHECK(std::get<1>(fds[0]) == logfile1);
CHECK(std::get<2>(fds[0])->fd() == std::get<0>(fds[0]));
logger1.logMessage(LogLevel::ERR, "some error message", 0);
logger2.logMessage(LogLevel::WARN, "some warning message", 0);
std::string content = FileUtils::slurp(logfile1);
CHECK(content.find("some error message") != std::string::npos);
CHECK(content.find("some warning message") == std::string::npos);
content = FileUtils::slurp(logfile2);
CHECK(content.find("some error message") == std::string::npos);
CHECK(content.find("some warning message") != std::string::npos);
LogAppenderFile::reopenAll();
fds = LogAppenderFile::getFds();
CHECK(fds.size() == 2);
CHECK(std::get<0>(fds[0]) > STDERR_FILENO);
CHECK(std::get<1>(fds[0]) == logfile1);
CHECK(std::get<2>(fds[0])->fd() == std::get<0>(fds[0]));
logger1.logMessage(LogLevel::ERR, "some other error message", 0);
logger2.logMessage(LogLevel::WARN, "some other warning message", 0);
content = FileUtils::slurp(logfile1);
CHECK(content.find("some error message") == std::string::npos);
CHECK(content.find("some warning message") == std::string::npos);
CHECK(content.find("some other error message") != std::string::npos);
content = FileUtils::slurp(logfile2);
CHECK(content.find("some error message") == std::string::npos);
CHECK(content.find("some warning message") == std::string::npos);
CHECK(content.find("some other warning message") != std::string::npos);
LogAppenderFile::clear();
}
// restore old state
LogAppenderFile::setFds(backup);
LogAppenderFile::reopenAll();
FileUtils::remove(logfile1);
FileUtils::remove(logfile2);
}