public void ShouldMakeAKeyString()
{
//Arragne
var mockOptions = MockRepository.GenerateStub <Options>();
var sut = new DataChunk(dataPath: "aDataPath", name: "aTestName", option: mockOptions);
var sb = new StringBuilder();
//Act
sut.BuildRowKey(ref sb, Mv.Line, Mv.Splitchar, Mv.ColKeys);
//Assert
Assert.AreEqual(Mv.ExpectedKey, sb.ToString(), "TheRowKey should be generated from given columns");
}