def calculate(self, text):
"""Calculate the output after parsing input.
Parameters
----------
text : str
A string value which should be parsed
Returns
-------
int or float:
The final result
Raises
------
ValueError
If the text cannot be succesfully parsed and evaluated to get
a result.
"""
res = self._parser.parse(text2int(text))
if len(res) == 1:
return res[0]
else:
raise ValueError("Unable to Parse")
def test_with_and_in_number(self):
result = text2int('five hundred and two birds')
self.assertEqual(result, '502 birds')
def test_with_and(self):
result = text2int('five and two')
self.assertEqual(result, '5 and 2')
def test_big_number(self):
result = text2int('fifty six thousand birds')
self.assertEqual(result, '56000 birds')
def test_simple_number(self):
result = text2int('what is five plus three')
self.assertEqual(result, 'what is 5 plus 3')
def test_no_number(self):
result = text2int('what is up')
self.assertEqual(result, 'what is up')