def test_a_parenthesized_expression(self):
eq_(13, calculate('(5+8)'))
def test_operate_on_a_parenthetical(self):
eq_(13, calculate('(5*3)-2'))
def test_roll_the_dice(self, mock_randint):
mock_randint.return_value = 5
eq_(10, calculate('2d6'))
def test_a_parenthesized_number(self):
eq_(1, calculate('(1)'))
def test_subtract_two_numbers(self):
eq_(8, calculate('13-5'))
def test_operators_are_right_associative(self):
eq_((23 - (10 - 5)), calculate('23-10-5'))
eq_((24 / (16 / 2)), calculate('24/16/2'))
eq_((8 + (5 * 3)), calculate('8+5*3'))
def test_multiply_two_numbers(self):
eq_(48, calculate('6*8'))
def test_parse_a_decimal_number(self):
eq_(3.141, calculate('3.141'))
def test_add_two_numbers(self):
eq_(7, calculate('5+2'))
def test_add_several_numbers(self):
eq_(32, calculate('8+14+3+7'))
def test_perform_operations_on_a_negative_number(self):
eq_(-5, calculate('10/-2'))
def test_parse_a_negative_number(self):
eq_(-1, calculate('-1'))
def test_numbers_can_have_at_most_one_decimal_point(self):
calculate('2.7.2')
def test_parenthetcals_must_be_closed(self):
eq_('yeppo!', calculate('(5*3-2'))
def test_divide_two_numbers(self):
eq_(2.5, calculate('5/2'))
def test_an_expression_with_whitespace(self):
eq_(36, calculate(' 18 *\t2 '))
def test_parse_a_single_number(self):
eq_(1, calculate('1'))
