def test_int_parser_raises_error(self):
"""
Tests that the integer parser raises a FieldValueParsingError
with the correct message if the given string is not an integer.
"""
with self.assertRaises(FieldValueParsingError) as error:
FieldValueParsers.int_parser('meh')
self.assertEqual(
str(error.exception),
FieldValueParsers.INVALID_INTEGER_VALUE.format('meh'),
)
def test_int_parser_returns_int(self):
"""
Tests that the integer parser parses an integer from a string.
"""
self.assertEqual(FieldValueParsers.int_parser('4'), 4)
