def test_parse_number_fails_2(self):
"""
In this test parse_number() method is checked. It should return an
exception since there are more than one dot in the given string
"""
expr = '345..5'
p = Parser(expr)
try:
p.parse_number()
except MathParseException:
raised = True
self.assertTrue(raised)
def test_parse_number(self):
"""
This test aims to check if the parse_number() function defined inside
Parse class is able to correctly detect numbers
:return:
"""
expr = ' 5'
p = Parser(expr)
self.assertEqual(p.parse_number(), 5)
expr = '345.5'
p2 = Parser(expr)
self.assertEqual(p2.parse_number(), 345.5)
def test_parse_number_fails_1(self):
"""
In this test parse_number() method is checked. It should return an
exception since the string passed as attribute doesn't represent
a number
"""
expr = '('
p = Parser(expr)
try:
p.parse_number()
except MathParseException:
raised = True
self.assertTrue(raised)