public void GetDataTest()
{
var fileInfo = new Mock <IFileInfo>();
fileInfo.Setup(x => x.Exists).Returns(true);
fileInfo.Setup(x => x.GetData()).Returns(new byte[] { 4, 56, 168 });
var entity = new FileEntity(fileInfo.Object);
var data = entity.GetData();
TestHelper.CheckArray(new byte[] { 4, 56, 168 }, data);
}