public void ReadsFromFileIfGiven()
 {
     var inputFileInfo = new FileInfo("validFile");
     var fileReader = new FileInputReader(inputFileInfo, _fileSystem.Object);
     fileReader.Read();
     _fileSystem.Verify(x => x.Read(inputFileInfo.FullName), Times.AtLeastOnce, "Read from file");
 }
 public void ThrowsExcpetionWhenFileINfoIsNull()
 {
     var fileReader = new FileInputReader(null, _fileSystem.Object);
     fileReader.Read();
 }