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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 <sitkImageFileReader.h>
#include <sitkImageSeriesReader.h>
#include <sitkImageFileWriter.h>
#include <sitkHashImageFilter.h>
TEST(IO,ImageFileReader) {
itk::simple::HashImageFilter hasher;
itk::simple::ImageFileReader reader;
typedef std::map<std::string,std::string> MapType;
MapType mapping;
// Configure the mapping between filename and MD5 hash
mapping["Input/RA-Short.nrrd"] = "a963bd6a755b853103a2d195e01a50d3";
mapping["Input/RA-Float.nrrd"] = "3ccccde44efaa3d688a86e94335c1f16";
mapping["Input/RA-Slice-Short.nrrd"] = "22cdc0af7d51934a744b9c4fd4748cd1";
mapping["Input/RA-Slice-Float.nrrd"] = "999078d36a4491d691cc93d8c3ed29fc";
mapping["Input/Ramp-Zero-One-Float.nrrd"] = "f47efe1a6f48cb5cfe1aa23232f1168b";
mapping["Input/Ramp-One-Zero-Float.nrrd"] = "0b18fac85955571d069b3666ff987119";
mapping["Input/Ramp-Up-Short.nrrd"] = "86f2ea8a68b3069f33f2271829a30aa2";
mapping["Input/Ramp-Down-Short.nrrd"] = "71f5c852a6251069fa1d60f796463343";
mapping["Input/STAPLE1.png"] = "095f00a68a84df4396914fa758f34dcc";
mapping["Input/STAPLE2.png"] = "301858f5eee39b092d28d9837f008fb8";
// Loop over the map, load each file, and compare the hash value
for ( MapType::iterator it = mapping.begin(); it != mapping.end(); ++it ) {
reader.SetFileName ( dataFinder.GetFile ( it->first ) );
EXPECT_EQ ( reader.GetFileName(), dataFinder.GetFile ( it->first ) );
itk::simple::Image image = reader.Execute();
ASSERT_TRUE ( image.GetITKBase() != NULL );
hasher.SetHashFunction ( itk::simple::HashImageFilter::MD5 );
EXPECT_EQ ( it->second, hasher.Execute ( image ) ) << " reading " << it->first;
// Try the functional interface
EXPECT_EQ ( it->second, hasher.Execute ( itk::simple::ReadImage ( dataFinder.GetFile ( it->first ) ) ) ) << "Functional interface";
}
}
TEST(IO,ReadWrite) {
itk::simple::HashImageFilter hasher;
itk::simple::ImageFileReader reader;
itk::simple::ImageFileWriter writer;
// From the command line utility
std::string md5 = "a963bd6a755b853103a2d195e01a50d3";
std::string sha1 = "126ea8c3ef5573ca1e4e0deece920c2c4a4f38b5";
itk::simple::Image image = reader.SetFileName ( dataFinder.GetFile ( "Input/RA-Short.nrrd" ) ).Execute();
ASSERT_TRUE ( image.GetITKBase() != NULL );
hasher.SetHashFunction ( itk::simple::HashImageFilter::MD5 );
EXPECT_EQ ( md5, hasher.Execute ( image ) );
hasher.SetHashFunction ( itk::simple::HashImageFilter::SHA1 );
EXPECT_EQ ( sha1, hasher.Execute ( image ) );
// Write it out
std::string filename = dataFinder.GetOutputFile ( "IO.ReadWrite.nrrd" );
writer.SetFileName ( filename ).Execute ( image );
ASSERT_TRUE ( dataFinder.FileExists ( filename ) );
image = reader.SetFileName ( filename ).Execute();
ASSERT_TRUE ( image.GetITKBase() != NULL );
// Make sure we wrote and read the file correctly
hasher.SetHashFunction ( itk::simple::HashImageFilter::MD5 );
EXPECT_EQ ( md5, hasher.Execute ( image ) );
hasher.SetHashFunction ( itk::simple::HashImageFilter::SHA1 );
EXPECT_EQ ( sha1, hasher.Execute ( image ) );
// Again, with the functional interface
filename = dataFinder.GetOutputFile ( "IO.ReadWrite-Functional.nrrd" );
itk::simple::WriteImage ( image, filename );
ASSERT_TRUE ( dataFinder.FileExists ( filename ) );
image = reader.SetFileName ( filename ).Execute();
ASSERT_TRUE ( image.GetITKBase() != NULL );
// Make sure we wrote and read the file correctly
hasher.SetHashFunction ( itk::simple::HashImageFilter::MD5 );
EXPECT_EQ ( md5, hasher.Execute ( image ) );
hasher.SetHashFunction ( itk::simple::HashImageFilter::SHA1 );
EXPECT_EQ ( sha1, hasher.Execute ( image ) );
}
TEST(IO,2DFormats) {
itk::simple::HashImageFilter hasher;
itk::simple::ImageFileReader reader;
itk::simple::Image image = reader.SetFileName ( dataFinder.GetFile ( "Input/RA-Slice-Short.png" ) ).Execute();
ASSERT_TRUE ( image.GetITKBase() != NULL );
hasher.SetHashFunction ( itk::simple::HashImageFilter::SHA1 );
EXPECT_EQ ( "bf0f7bae60b0322222e224941c31f37a981901aa", hasher.Execute ( image ) );
ASSERT_EQ ( 2u, image.GetDimension() );
EXPECT_EQ ( 64u, image.GetWidth() );
EXPECT_EQ ( 64u, image.GetHeight() );
EXPECT_EQ ( 0u, image.GetDepth() );
}
namespace sitk = itk::simple;
TEST(IO, SeriesReader) {
std::vector< std::string > fileNames;
fileNames.push_back( dataFinder.GetFile ( "Input/BlackDots.png" ) );
fileNames.push_back( dataFinder.GetFile ( "Input/BlackDots.png" ) );
fileNames.push_back( dataFinder.GetFile ( "Input/BlackDots.png" ) );
sitk::ImageSeriesReader reader;
sitk::Image image = reader.SetFileNames ( fileNames ).Execute();
EXPECT_EQ ( "b13c0a17109e3a5058e8f225c9ef2dbcf79ac240", sitk::Hash( image ) );
EXPECT_EQ ( 3u, image.GetDimension() );
EXPECT_EQ ( 256u, image.GetWidth() );
EXPECT_EQ ( 256u, image.GetHeight() );
EXPECT_EQ ( 3u, image.GetDepth() );
fileNames.push_back( dataFinder.GetFile ( "Input/WhiteDots.png" ));
image = sitk::ReadImage( fileNames );
EXPECT_EQ ( "62fff5903956f108fbafd506e31c1e733e527820", sitk::Hash( image ) );
EXPECT_EQ ( 4u, image.GetDepth() );
fileNames.resize(0);
fileNames.push_back( dataFinder.GetFile ( "Input/VM1111Shrink-RGB.png" ) );
fileNames.push_back( dataFinder.GetFile ( "Input/VM1111Shrink-RGB.png" ) );
fileNames.push_back( dataFinder.GetFile ( "Input/VM1111Shrink-RGB.png" ) );
reader.SetFileNames ( fileNames );
image = reader.Execute();
EXPECT_EQ ( 3u, image.GetDepth() );
EXPECT_EQ ( "bb42b8d3991132b4860adbc4b3f6c38313f52b4c", sitk::Hash( image ) );
}
TEST(IO,WriteOptions) {
sitk::ImageFileWriter writer;
EXPECT_EQ( false, writer.GetUseCompression() );
writer.SetUseCompression( false );
EXPECT_EQ( false, writer.GetUseCompression() );
writer.UseCompressionOn();
EXPECT_EQ( true, writer.GetUseCompression() );
writer.UseCompressionOff();
EXPECT_EQ( false, writer.GetUseCompression() );
sitk::Image image = sitk::ReadImage( dataFinder.GetFile ( "Input/BlackDots.png" ) );
EXPECT_EQ ( "0188164c9932359b3f33f176d0d73661c4dc04a8", sitk::Hash( image ) );
writer.Execute( image, dataFinder.GetOutputFile( "with_compression.nrrd" ), true );
EXPECT_EQ( true, writer.GetUseCompression() );
writer.Execute( image, dataFinder.GetOutputFile( "without_compression.nrrd" ), false );
EXPECT_EQ( false, writer.GetUseCompression() );
}
TEST(IO,Write) {
sitk::Image image = sitk::ReadImage( dataFinder.GetFile ( "Input/BlackDots.png" ) );
EXPECT_EQ ( "0188164c9932359b3f33f176d0d73661c4dc04a8", sitk::Hash( image ) );
ASSERT_THROW(sitk::WriteImage( image, dataFinder.GetOutputFile ( "this.isafilenamewithnoimageio" ) ), std::exception ) << "Checking for assert on bad output image name.";
}
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