/**
* test for "ImageWriter".
*
* argc and argv are the command line parameters which were passed to
* the ADD_TEST command in the CMakeLists.txt file. For the automatic
* tests, argv is either empty for the simple tests or contains the filename
* of a test image for the image tests (see CMakeLists.txt).
*/
int mitkImageWriterTest(int argc , char* argv[])
{
// always start with this!
MITK_TEST_BEGIN("ImageWriter")
// write your own tests here and use the macros from mitkTestingMacros.h !!!
// do not write to std::cout and do not return from this function yourself!
// load image
MITK_TEST_CONDITION_REQUIRED(argc > 1, "File to load has been specified");
mitk::Image::Pointer image = NULL;
try
{
MITK_TEST_OUTPUT(<< "Loading file: " << argv[1]);
image = mitk::IOUtil::LoadImage( argv[1] );
}
catch (itk::ExceptionObject & ex)
{
MITK_TEST_FAILED_MSG(<< "Exception during file loading: " << ex.GetDescription());
}
MITK_TEST_CONDITION_REQUIRED(image.IsNotNull(),"loaded image not NULL")
mitk::FileWriterRegistry writerRegistry;
std::ofstream tmpStream;
std::string tmpFilePath = mitk::IOUtil::CreateTemporaryFile(tmpStream);
tmpStream.close();
// write ITK .mhd image (2D and 3D only)
if( image->GetDimension() <= 3 )
{
try
{
mitk::IFileWriter* writer = writerRegistry.GetWriter(mitk::Image::GetStaticNameOfClass(), ".mhd");
writer->Write(image, tmpFilePath);
mitk::Image::Pointer compareImage = mitk::IOUtil::LoadImage(tmpFilePath);
MITK_TEST_CONDITION_REQUIRED( compareImage.IsNotNull(), "Image stored in MHD format was succesfully loaded again! ");
MITK_TEST_CONDITION(itksys::SystemTools::FileExists((tmpFilePath + ".mhd").c_str()), ".mhd file exists")
MITK_TEST_CONDITION(itksys::SystemTools::FileExists((tmpFilePath + ".raw").c_str()) ||
itksys::SystemTools::FileExists((tmpFilePath + ".zraw").c_str()), ".raw or .zraw exists")
// delete
remove((tmpFilePath + ".mhd").c_str());
remove((tmpFilePath + ".raw").c_str());
remove((tmpFilePath + ".zraw").c_str());
}
catch (...)
{
MITK_TEST_FAILED_MSG(<< "Exception during .mhd file writing");
}
}
//testing more component image writing as nrrd files
try
{
mitk::IFileWriter* writer = writerRegistry.GetWriter(mitk::Image::GetStaticNameOfClass(), ".nrrd");
writer->Write(image, tmpFilePath);
std::fstream fin;
mitk::Image::Pointer compareImage = mitk::IOUtil::LoadImage(AppendExtension(tmpFilePath, ".nrrd").c_str());
MITK_TEST_CONDITION_REQUIRED(compareImage.IsNotNull(), "Image stored in NRRD format was succesfully loaded again");
fin.close();
remove(AppendExtension(tmpFilePath, ".nrrd").c_str());
}
catch(...)
{
MITK_TEST_FAILED_MSG(<< "Exception during .nrrd file writing");
}
TestPictureWriting(image, tmpFilePath, ".png");
TestPictureWriting(image, tmpFilePath, ".jpg");
TestPictureWriting(image, tmpFilePath, ".tiff");
TestPictureWriting(image, tmpFilePath, ".bmp");
// test for exception handling
std::vector<mitk::IFileWriter*> writers = writerRegistry.GetWriters(mitk::Image::GetStaticNameOfClass());
for (std::vector<mitk::IFileWriter*>::const_iterator iter = writers.begin(),
end = writers.end(); iter != end; ++iter)
{
try
{
(*iter)->Write(image, "/usr/bin");
MITK_TEST_FAILED_MSG( << "itk::ExceptionObject expected")
}
catch (const itk::ExceptionObject&) { /* this is expected */ }
catch(...)
{
//this means that a wrong exception (i.e. no itk:Exception) has been thrown
MITK_TEST_FAILED_MSG(<< "Wrong exception (i.e. no itk:Exception) caught during write");
}
}
// always end with this!
MITK_TEST_END();
}
/**
* test for "ImageWriter".
*
* argc and argv are the command line parameters which were passed to
* the ADD_TEST command in the CMakeLists.txt file. For the automatic
* tests, argv is either empty for the simple tests or contains the filename
* of a test image for the image tests (see CMakeLists.txt).
*/
int mitkImageWriterTest(int argc , char* argv[])
{
// always start with this!
MITK_TEST_BEGIN("ImageWriter")
// let's create an object of our class
mitk::ImageWriter::Pointer myImageWriter = mitk::ImageWriter::New();
// first test: did this work?
// using MITK_TEST_CONDITION_REQUIRED makes the test stop after failure, since
// it makes no sense to continue without an object.
MITK_TEST_CONDITION_REQUIRED(myImageWriter.IsNotNull(),"Testing instantiation")
// write your own tests here and use the macros from mitkTestingMacros.h !!!
// do not write to std::cout and do not return from this function yourself!
// load image
MITK_TEST_CONDITION_REQUIRED(argc > 1, "File to load has been specified");
mitk::Image::Pointer image = NULL;
try
{
MITK_TEST_OUTPUT(<< "Loading file: " << argv[1]);
image = mitk::IOUtil::LoadImage( argv[1] );
}
catch (itk::ExceptionObject & ex)
{
MITK_TEST_FAILED_MSG(<< "Exception during file loading: " << ex.GetDescription());
}
MITK_TEST_CONDITION_REQUIRED(image.IsNotNull(),"loaded image not NULL")
std::stringstream filename_stream;
#ifdef WIN32
filename_stream << "test" << _getpid();
#else
filename_stream << "test" << getpid();
#endif
std::string filename = filename_stream.str();
std::cout << filename << std::endl;
// test set/get methods
myImageWriter->SetInput(image);
MITK_TEST_CONDITION_REQUIRED(myImageWriter->GetInput()==image,"test Set/GetInput()");
myImageWriter->SetFileName(filename);
MITK_TEST_CONDITION_REQUIRED(!strcmp(myImageWriter->GetFileName(),filename.c_str()),"test Set/GetFileName()");
myImageWriter->SetFilePrefix("pref");
MITK_TEST_CONDITION_REQUIRED(!strcmp(myImageWriter->GetFilePrefix(),"pref"),"test Set/GetFilePrefix()");
myImageWriter->SetFilePattern("pattern");
MITK_TEST_CONDITION_REQUIRED(!strcmp(myImageWriter->GetFilePattern(),"pattern"),"test Set/GetFilePattern()");
// write ITK .mhd image (2D and 3D only)
if( image->GetDimension() <= 3 )
{
try
{
myImageWriter->SetExtension(".mhd");
myImageWriter->Update();
mitk::Image::Pointer compareImage = mitk::IOUtil::LoadImage( AppendExtension(filename, ".mhd").c_str() );
MITK_TEST_CONDITION_REQUIRED( compareImage.IsNotNull(), "Image stored in MHD format was succesfully loaded again! ");
std::string rawExtension = ".raw";
std::fstream rawPartIn;
rawPartIn.open(AppendExtension(filename, ".raw").c_str());
if( !rawPartIn.is_open() )
{
rawExtension = ".zraw";
rawPartIn.open(AppendExtension(filename, ".zraw").c_str());
}
MITK_TEST_CONDITION_REQUIRED(rawPartIn.is_open(),"Write .raw file");
rawPartIn.close();
// delete
remove(AppendExtension(filename, ".mhd").c_str());
remove(AppendExtension(filename, rawExtension.c_str()).c_str());
}
catch (...)
{
MITK_TEST_FAILED_MSG(<< "Exception during .mhd file writing");
}
}
//testing more component image writing as nrrd files
try
{
myImageWriter->SetExtension(".nrrd");
myImageWriter->Update();
std::fstream fin;
mitk::Image::Pointer compareImage = mitk::IOUtil::LoadImage(AppendExtension(filename, ".nrrd").c_str());
MITK_TEST_CONDITION_REQUIRED(compareImage.IsNotNull(), "Image stored in NRRD format was succesfully loaded again");
fin.close();
remove(AppendExtension(filename, ".nrrd").c_str());
}
catch(...)
{
MITK_TEST_FAILED_MSG(<< "Exception during .nrrd file writing");
}
TestPictureWriting(image, filename, ".png");
TestPictureWriting(image, filename, ".jpg");
TestPictureWriting(image, filename, ".tiff");
TestPictureWriting(image, filename, ".bmp");
// test for exception handling
try
{
MITK_TEST_FOR_EXCEPTION_BEGIN(itk::ExceptionObject)
myImageWriter->SetInput(image);
myImageWriter->SetFileName("/usr/bin");
myImageWriter->Update();
MITK_TEST_FOR_EXCEPTION_END(itk::ExceptionObject)
}
catch(...) {
//this means that a wrong exception (i.e. no itk:Exception) has been thrown
MITK_TEST_FAILED_MSG(<< "Wrong exception (i.e. no itk:Exception) caught during write");
}
// always end with this!
MITK_TEST_END();
}
