def testCsvTuplePrinterMustCloseTheOutputFileWhenCommanded(self):
csv_tuple_printer = CsvTuplePrinter()
output_file = Mock()
csv_tuple_printer.output_file = output_file
csv_tuple_printer.close()
output_file.close.assert_called()
def testCsvTuplePrinterMustRecieveOneTupleAndPrintItToTheOutputFile(self):
csv_tuple_printer = CsvTuplePrinter()
output_file = Mock()
csv_tuple_printer.output_file = output_file
a_tuple = ("field1", "field2", 0)
csv_tuple_printer.put(a_tuple)
stringified_tuple = str(a_tuple[0]) + "," + str(a_tuple[1]) + "," + str(a_tuple[2]) + "\n"
output_file.write.assert_called_with(stringified_tuple)