def test_simple_addtion(self):
self.assertEqual("['1', '+', '2']",
str(parse_calculator_string('1 + 2')))
def test_starting_with_negative_number(self):
parsed = parse_calculator_string('-2 + 3')
self.assertEqual("['-2', '+', '3']", str(parsed))
def test_invalid_calc_string_plus(self):
with self.assertRaises(ParseException):
parse_calculator_string(' + -2 + 3')
def test_variable_names(self):
parsed = parse_calculator_string('a * b')
self.assertEqual("['a', '*', 'b']", str(parsed))
def test_multiplication_with_negative_number(self):
parsed = parse_calculator_string('1 * -2 + 3')
self.assertEqual("['1', '*', '-2', '+', '3']", str(parsed))
def test_simple_multiplication(self):
self.assertEqual("['1', '*', '2']",
str(parse_calculator_string('1 * 2')))
def test_multiple_terms(self):
parsed = parse_calculator_string('1 * 2 + 3')
self.assertEqual("['1', '*', '2', '+', '3']", str(parsed))
def test_invalid_calc_string_plus(self):
with self.assertRaises(ParseException):
parse_calculator_string(" + -2 + 3")
def test_simple_addtion(self):
self.assertEqual("['1', '+', '2']", str(parse_calculator_string("1 + 2")))
def test_starting_with_negative_number(self):
parsed = parse_calculator_string("-2 + 3")
self.assertEqual("['-2', '+', '3']", str(parsed))
def test_multiplication_with_negative_number(self):
parsed = parse_calculator_string("1 * -2 + 3")
self.assertEqual("['1', '*', '-2', '+', '3']", str(parsed))
def test_variable_names(self):
parsed = parse_calculator_string("a * b")
self.assertEqual("['a', '*', 'b']", str(parsed))
def test_multiple_terms(self):
parsed = parse_calculator_string("1 * 2 + 3")
self.assertEqual("['1', '*', '2', '+', '3']", str(parsed))
def test_simple_multiplication(self):
self.assertEqual("['1', '*', '2']", str(parse_calculator_string("1 * 2")))
