def test__str__(self):
from sudoku_board import SudokuBox
box = SudokuBox()
box.add_answer(4)
box.add_guess(4)
box.add_guess(5)
self.assertEqual(box.__str__(), '4')
def test_add_answer(self):
from sudoku_board import SudokuBox
box = SudokuBox()
box.add_answer(4)
box.add_answer(5)
self.assertEqual(box, SudokuBox(5))
self.assertNotEqual(box, SudokuBox(4))
with self.assertRaises(OverflowError):
box.add_answer(10)
with self.assertRaises(OverflowError):
box.add_answer(0)
def test_add_answer_preloaded_number(self):
from sudoku_board import SudokuBox
box = SudokuBox(1)
self.assertFalse(box.add_answer(2))
self.assertEqual(box, SudokuBox(1))
def test_erase_answer(self):
from sudoku_board import SudokuBox
box = SudokuBox()
box.add_answer(4)
box.erase_answer()
self.assertEqual(box.answer, 0)