def test_advance_column(self):
     spreadsheet = Spreadsheet()
     self.assertEqual(spreadsheet.current_cell(), 'A1')
     spreadsheet.advance_column()
     self.assertEqual(spreadsheet.current_cell(), 'B1')
     spreadsheet.advance_column()
     self.assertEqual(spreadsheet.current_cell(), 'C1')
 def test_cells(self):
     spreadsheet = Spreadsheet()
     self.assertEqual(spreadsheet.current_cell(), 'A1')
     spreadsheet.set_value('1')
     self.assertEqual(spreadsheet.current_cell(), 'B1')
     spreadsheet.set_value('1', advance_row=True)
     self.assertEqual(spreadsheet.current_cell(), 'A2')
     spreadsheet.set_value('1', advance_by_rows=3)
     self.assertEqual(spreadsheet.current_cell(), 'A5')
     spreadsheet.set_values(['1'])
     self.assertEqual(spreadsheet.current_cell(), 'A6')