public void NiftiFileNamesValid(string fileName, NiftiCompression expected)
{
Assert.AreEqual(expected, MedIO.GetNiftiCompressionOrFail(fileName));
Assert.IsTrue(MedIO.IsNiftiFile(fileName));
var extension = MedIO.GetNiftiExtension(expected);
Assert.IsTrue(fileName.EndsWith(extension));
}
public void NiftiSaveShort(NiftiCompression niftiCompression)
{
var volume = TestHelpers.SingleSlice(Enumerable.Range(0, 9).Select(b => (short)b).ToArray());
var file = TestHelpers.CreateTempNiftiName(niftiCompression);
MedIO.SaveNifti(volume, file);
var loadedVolume = MedIO.LoadNiftiAsShort(file);
VolumeAssert.AssertVolumesMatch(volume, loadedVolume);
}
/// <summary>
/// Gets the extension that a Nifti file should have when using the compression format
/// given in the argument.
/// </summary>
/// <param name="compression"></param>
/// <returns></returns>
public static string GetNiftiExtension(NiftiCompression compression)
{
switch (compression)
{
case NiftiCompression.GZip:
return(GZipCompressedNiftiSuffix);
case NiftiCompression.LZ4:
return(LZ4CompressedNiftiSuffix);
case NiftiCompression.Uncompressed:
return(UncompressedNiftiSuffix);
default:
throw new ArgumentException($"Unsupported compression {compression}", nameof(compression));
}
}
public void NiftiFileExtension(NiftiCompression compression)
{
var extension = MedIO.GetNiftiExtension(compression);
Assert.AreEqual(compression, MedIO.GetNiftiCompression(extension));
}
/// <summary>
/// Creates a unique file name for a compressed Nifti file in the user's temp folder.
/// </summary>
/// <param name="fileNamePrefix">If provided, the file name itself will start with this prefix,
/// then followed by a random part./param>
/// <returns></returns>
public static string CreateTempNiftiName(NiftiCompression niftiCompression, string fileNamePrefix = null)
{
var prefix = RandomFileNameInTempFolder(fileNamePrefix);
return(prefix + MedIO.GetNiftiExtension(niftiCompression));
}
