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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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.
*
*=========================================================================*/
#include <iostream>
#include <fstream>
#include "itkStdStreamLogOutput.h"
#include "itkLoggerManager.h"
#include "itkLogTester.h"
#include "itkTestingMacros.h"
int
itkLoggerManagerTest(int argc, char * argv[])
{
try
{
if (argc < 2)
{
std::cout << "Usage: " << itkNameOfTestExecutableMacro(argv) << " logFilename" << std::endl;
return EXIT_FAILURE;
}
// Create an ITK StdStreamLogOutputs
itk::StdStreamLogOutput::Pointer coutput = itk::StdStreamLogOutput::New();
itk::StdStreamLogOutput::Pointer foutput = itk::StdStreamLogOutput::New();
coutput->SetStream(std::cout);
std::ofstream fout(argv[1]);
foutput->SetStream(fout);
// Create an ITK Loggers using itk::LoggerManager
itk::LoggerManager::Pointer manager = itk::LoggerManager::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(manager, LoggerManager, Object);
itk::Logger::Pointer logger = manager->CreateLogger("org.itk.logTester.logger",
itk::LoggerBase::PriorityLevelEnum::DEBUG,
itk::LoggerBase::PriorityLevelEnum::CRITICAL);
itk::ThreadLogger::Pointer t_logger = manager->CreateThreadLogger("org.itk.ThreadLogger",
itk::LoggerBase::PriorityLevelEnum::WARNING,
itk::LoggerBase::PriorityLevelEnum::CRITICAL);
std::cout << "Testing itk::LoggerManager" << std::endl;
std::cout << " Adding console and file stream LogOutputs" << std::endl;
manager->AddLogOutput(coutput);
t_logger->AddLogOutput(foutput);
// Logging by the itkLogMacro from a class with itk::ThreadLogger
itk::Testing::LogTester tester;
tester.SetLogger(logger);
tester.log();
// Logging by the itkLogMacroStatic from a class with itk::ThreadLogger
itk::Testing::LogTester::logStatic(&tester);
std::cout << " The printed order of 'Messages ##' below might not be predictable because of multi-threaded logging"
<< std::endl;
std::cout << " But the logged messages will be in order." << std::endl;
std::cout << " Each line is an atom for synchronization." << std::endl;
// Writing by the logger
manager->Write(itk::LoggerBase::PriorityLevelEnum::DEBUG, "This is the DEBUG message.\n");
std::cout << " Message #1" << std::endl;
manager->Write(itk::LoggerBase::PriorityLevelEnum::INFO, "This is the INFO message.\n");
manager->Write(itk::LoggerBase::PriorityLevelEnum::WARNING, "This is the WARNING message.\n");
std::cout << " Message #2" << std::endl;
manager->Write(itk::LoggerBase::PriorityLevelEnum::CRITICAL, "This is the CRITICAL message.\n");
manager->Write(itk::Logger::PriorityLevelEnum::FATAL, "This is the FATAL message.\n");
manager->Write(itk::LoggerBase::PriorityLevelEnum::MUSTFLUSH, "This is the MUSTFLUSH message.\n");
std::cout << " Message #3" << std::endl;
itk::Logger * pLogger;
pLogger = manager->GetLogger("org.itk.logTester.logger");
if (pLogger == nullptr)
{
throw "LoggerManager::GetLogger() failed";
}
pLogger->Write(itk::LoggerBase::PriorityLevelEnum::INFO,
"This is the message from the logger got from a LoggerManager");
if (manager->GetLogger("abc") != nullptr)
{
throw "LoggerManager::GetLogger() must return nullptr";
}
manager->Flush();
}
catch (const char * errmsg)
{
std::cerr << "Exception caught! : " << errmsg << std::endl;
return EXIT_FAILURE;
}
std::cout << "[PASSED]" << std::endl;
return EXIT_SUCCESS;
}
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