def test_instantiation_from_invalid__with_wrong_argnumber(self):
str_pos = '1 2' # x, y, and direction
position_from_string = Position.from_string(str_pos)
def test_instantiation_from_invalid_string_with_wrong_xy(self):
str_pos = 'someRandomInt 2 n' # x, y, and direction
position_from_string = Position.from_string(str_pos)
def test_instantiation_from_invalid_string_with_wrong_direction(self):
str_pos = '1 2 someInvalidCharacter' # x, y, and direction
position_from_string = Position.from_string(str_pos)
def test_instantiation_from_valid_string(self):
pos = Position(x=1, y=2, direction='n')
str_pos = '1 2 n' # x, y, and direction
position_from_string = Position.from_string(str_pos)
self.assertEqual(pos, position_from_string)