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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.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 <SimpleITKTestHarness.h>
#include <itkImageFileReader.h>
#include <itkHashImageFilter.h>
#include <sitkHashImageFilter.h>
#include <sitkImageFileReader.h>
#include <sitkCastImageFilter.h>
class HashImageFilterTest
: public ::testing::Test {
public:
template <typename TPixelType, unsigned int IDimension>
void CheckImageHashMD5( const std::string &fname, const std::string &expectedHash )
{
typedef itk::ImageFileReader<itk::Image<TPixelType, IDimension > > ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( dataFinder.GetFile ( fname ) );
reader->Update();
typedef itk::HashImageFilter< itk::Image<TPixelType, IDimension> > HasherType;
typename HasherType::Pointer hasher = HasherType::New();
hasher->SetHashFunction( HasherType::MD5 );
hasher->SetInput( reader->GetOutput() );
hasher->Update();
EXPECT_EQ ( expectedHash, hasher->GetHash() );
}
template <typename TPixelType, unsigned int IDimension>
void CheckImageHashSHA1( const std::string &fname, const std::string &expectedHash )
{
typedef itk::ImageFileReader<itk::Image<TPixelType, IDimension > > ReaderType;
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( dataFinder.GetFile ( fname ) );
reader->Update();
typedef itk::HashImageFilter< itk::Image<TPixelType, IDimension> > HasherType;
typename HasherType::Pointer hasher = HasherType::New();
hasher->SetHashFunction( HasherType::SHA1 );
hasher->SetInput( reader->GetOutput() );
hasher->Update();
EXPECT_EQ ( expectedHash, hasher->GetHash() );
}
};
TEST_F(HashImageFilterTest, InstantiateTest) {
typedef itk::HashImageFilter< itk::Image< unsigned char, 1> > UCHAR1HasherType;
EXPECT_TRUE( UCHAR1HasherType::New().IsNotNull() );
typedef itk::HashImageFilter< itk::Image< unsigned char, 2> > UCHAR2HasherType;
EXPECT_TRUE( UCHAR2HasherType::New().IsNotNull() );
typedef itk::HashImageFilter< itk::Image< unsigned char, 3> > UCHAR3HasherType;
EXPECT_TRUE( UCHAR3HasherType::New().IsNotNull() );
typedef itk::HashImageFilter< itk::Image< unsigned int, 3> > UINT23HasherType;
EXPECT_TRUE( UINT23HasherType::New().IsNotNull() );
typedef itk::HashImageFilter< itk::Image<int, 3> > INT23HasherType;
EXPECT_TRUE( INT23HasherType::New().IsNotNull() );
typedef itk::HashImageFilter< itk::Image<float, 3> > FLOATHasherType;
EXPECT_TRUE( FLOATHasherType::New().IsNotNull() );
typedef itk::HashImageFilter< itk::Image<double, 3> > DOUBLEHasherType;
EXPECT_TRUE( DOUBLEHasherType::New().IsNotNull() );
#ifdef SITK_4D_IMAGES
typedef itk::HashImageFilter< itk::Image<double, 4> > DOUBLE4DHasherType;
EXPECT_TRUE( DOUBLE4DHasherType::New().IsNotNull() );
#endif
};
TEST_F(HashImageFilterTest, MD5HashValues ) {
this->CheckImageHashMD5<float,3>("Input/RA-Float.nrrd", "3ccccde44efaa3d688a86e94335c1f16");
this->CheckImageHashMD5<float,2>("Input/RA-Float.nrrd", "16142594b185c50d64dd629750b94c90");
this->CheckImageHashMD5<float,1>("Input/RA-Float.nrrd", "606f0ee67f5b181f90286e17e6f49926");
this->CheckImageHashMD5<short, 3>("Input/Ramp-Down-Short.nrrd", "71f5c852a6251069fa1d60f796463343" );
this->CheckImageHashMD5<int, 3>("Input/Ramp-Down-Short.nrrd", "f945b2b5384ba6f21a0fd50a970fb5ff");
}
TEST_F(HashImageFilterTest, SHA1HashValues ) {
this->CheckImageHashSHA1<float,3>("Input/RA-Float.nrrd", "b187541bdcc89843d0a25a3761f344c358f3518a" );
this->CheckImageHashSHA1<float,2>("Input/RA-Float.nrrd", "7bd2146732f1e6f38fe5ed387332d3ad3541b182" );
this->CheckImageHashSHA1<float,1>("Input/RA-Float.nrrd", "0eac9ac1f19b27743dfeabe76e69ae251c02b641" );
this->CheckImageHashSHA1<short, 3>("Input/Ramp-Down-Short.nrrd", "4b0bd9dcf1f7d78101ce24da7f51de212f302ae9" );
this->CheckImageHashSHA1<int, 3>("Input/Ramp-Down-Short.nrrd", "3dc54908746f25fd42f17c5fe44935013e508b1b" );
#ifdef SITK_4D_IMAGES
this->CheckImageHashSHA1<short, 4>("Input/4D.nii.gz", "9e81d4b3cdf10a4da5d54c8cd7c4954449d76d5d" );
#endif
}
TEST_F(HashImageFilterTest, VectorImages ) {
// test image of vectors
{
typedef itk::Image<itk::Vector<float, 1>, 3 > VectorImageType;
typedef itk::ImageFileReader<VectorImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( dataFinder.GetFile ( "Input/RA-Float.nrrd" ) );
reader->Update();
typedef itk::HashImageFilter< VectorImageType > HasherType;
HasherType::Pointer hasher = HasherType::New();
hasher->SetHashFunction( HasherType::MD5 );
hasher->SetInput( reader->GetOutput() );
hasher->Update();
EXPECT_EQ( hasher->GetHash(), "3ccccde44efaa3d688a86e94335c1f16" );
}
// test vector image
{
typedef itk::VectorImage<float, 3> VectorImageType;
typedef itk::ImageFileReader<VectorImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( dataFinder.GetFile ( "Input/RA-Float.nrrd" ) );
reader->Update();
typedef itk::HashImageFilter< VectorImageType > HasherType;
HasherType::Pointer hasher = HasherType::New();
hasher->SetHashFunction( HasherType::MD5 );
hasher->SetInput( reader->GetOutput() );
hasher->Update();
EXPECT_EQ( hasher->GetHash(), "3ccccde44efaa3d688a86e94335c1f16" );
}
}
TEST_F(HashImageFilterTest, LabelMap ) {
itk::simple::Image img = itk::simple::ReadImage( dataFinder.GetFile ( "Input/2th_cthead1.png" ) );
std::string hash;
EXPECT_NO_THROW( hash = itk::simple::Hash( itk::simple::Cast( img, itk::simple::sitkLabelUInt16 ) ) );
EXPECT_EQ( hash, "134248ff026387fe17bd0bfa62357fa390d52985" );
EXPECT_NO_THROW( hash = itk::simple::Hash( itk::simple::Cast( img, itk::simple::sitkLabelUInt32 ) ) );
EXPECT_EQ( hash, "c4dc6e128902159fe04cacec27b784cd995533af" );
}
TEST_F(HashImageFilterTest, Coverage ) {
typedef itk::HashImageFilter< itk::Image< unsigned char, 2> > UCHAR2HasherType;
UCHAR2HasherType::Pointer hasher = UCHAR2HasherType::New();
// PrintSelf
std::ostringstream out;
out << hasher;
EXPECT_NE ( out.str(), "" ); // So the test fails if we don’t have any print self output...
// Set/Get Methods
hasher->SetHashFunction( UCHAR2HasherType::MD5 );
EXPECT_EQ( hasher->GetHashFunction(), UCHAR2HasherType::MD5 ) << "expected default hash type to be MD5";
hasher->SetHashFunction( UCHAR2HasherType::SHA1 );
EXPECT_EQ( hasher->GetHashFunction(), UCHAR2HasherType::SHA1 ) << "expected default hash type to be SHA1";
}
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