public void GetExtension_GifFile_ReturnsExtensionString()
{
using (var stream = File.OpenRead($"{ImageSourcePath}\\image.gif"))
{
var formFile = new FormFile(stream, 0, stream.Length, null, Path.GetFileName(stream.Name))
{
Headers = new HeaderDictionary(), ContentType = "image/gif"
};
var result = formFile.TryGetImageExtension();
Assert.AreEqual(".gif", result);
}
}
public void GetExtension_FileSizeLessThan8Bytes_ReturnsNull()
{
using (var stream = File.OpenRead($"{ImageSourcePath}\\file4Bytes.txt"))
{
var formFile = new FormFile(stream, 0, stream.Length, null, Path.GetFileName(stream.Name))
{
Headers = new HeaderDictionary(), ContentType = "image/jpeg"
};
var result = formFile.TryGetImageExtension();
Assert.IsNull(result);
}
}
public void GetExtension_JpegFile_ReturnsExtensionStringJPG()
{
using (var stream = File.OpenRead($"{ImageSourcePath}\\image.jpeg"))
{
var formFile = new FormFile(stream, 0, stream.Length, null, Path.GetFileName(stream.Name))
{
Headers = new HeaderDictionary(), ContentType = "image/jpeg"
};
var result = formFile.TryGetImageExtension();
//JPG and JPEG The two terms have the same meaning and are interchangeable.
Assert.AreEqual(".jpg", result);
}
}
