def set_amount(input_amount):
"""
Validate and set the arguments['amount'] value
:param input_amount: input amount value from HTTP request
:return: amount value which represented by the float number
"""
# default amount value is 1
if (input_amount is None) or (not input_amount):
return 1.0
else:
return core.validate_amount(input_amount)
def test_value(self):
self.assertEqual(validate_amount(10), 10.0)
self.assertEqual(validate_amount(2.11), 2.11)
def test_instance_of(self):
self.assertTrue(isinstance(validate_amount(10), float))
self.assertTrue(isinstance(validate_amount(2.11), float))
def test_empty_string(self):
with self.assertRaises(ValueError):
validate_amount(" ")
def test_string_value(self):
with self.assertRaises(ValueError):
validate_amount("22.0qw")
def test_Inf(self):
with self.assertRaises(argparse.ArgumentTypeError):
validate_amount(float('Inf'))
def test_negative_value(self):
with self.assertRaises(argparse.ArgumentTypeError):
validate_amount(-34.14)