def test_float_parser_raises_error(self):
"""
Tests that the float parser raises a FieldValueParsingError
with a INVALID_FLOAT_VALUE message if the given string is not
a float.
"""
with self.assertRaises(FieldValueParsingError) as error:
FieldValueParsers.float_parser('meh')
self.assertEqual(
str(error.exception),
FieldValueParsers.INVALID_FLOAT_VALUE.format('meh'),
)
def test_float_parser_returns_float(self):
"""
Tests that the float parser parses a float.
"""
self.assertEqual(FieldValueParsers.float_parser('4.5'), 4.5)
