def test_no_mutually_exclusive_args_provided(self):
"""Test for passing no args (valid) to a function that specifies
mutually exclusive parameters.
"""
_func = mutually_exclusive_parameters('arg1', 'arg2')(undecorated_func)
self.assertEquals(_func(), 'foo')
self.assertEquals(_func(arg3='hello'), 'foo')
def test_no_mutually_exclusive_args_provided(self):
"""Test for passing no args (valid) to a function that specifies
mutually exclusive parameters.
"""
_func = mutually_exclusive_parameters('arg1', 'arg2')(undecorated_func)
self.assertEqual(_func(), 'foo')
self.assertEqual(_func(arg3='hello'), 'foo')
def test_one_mutually_exclusive_arg_provided(self):
"""Test for passing one arg (the right number) to a function
that specifies mutually exclusive parameters.
"""
_func = mutually_exclusive_parameters('arg1', 'arg2')(undecorated_func)
self.assertEqual(_func('hello'), 'foo')
self.assertEqual(_func(arg1='hello'), 'foo')
self.assertEqual(_func(arg2='hello'), 'foo')
def test_one_mutually_exclusive_arg_provided(self):
"""Test for passing one arg (the right number) to a function
that specifies mutually exclusive parameters.
"""
_func = mutually_exclusive_parameters('arg1', 'arg2')(undecorated_func)
self.assertEquals(_func('hello'), 'foo')
self.assertEquals(_func(arg1='hello'), 'foo')
self.assertEquals(_func(arg2='hello'), 'foo')
def test_two_mutually_exclusive_args_provided(self):
"""Test that InvalidParameterError is raised if more than
one mutually exclusive argument is provided.
"""
from plone.api.exc import InvalidParameterError
_func = mutually_exclusive_parameters('arg1', 'arg2')(undecorated_func)
self.assertRaises(InvalidParameterError, _func, 'ahoy', 'there')
self.assertRaises(
InvalidParameterError, _func, arg1='ahoy', arg2='there')
def test_two_mutually_exclusive_args_provided(self):
"""Test that InvalidParameterError is raised if more than
one mutually exclusive argument is provided.
"""
from plone.api.exc import InvalidParameterError
_func = mutually_exclusive_parameters('arg1', 'arg2')(undecorated_func)
with self.assertRaises(InvalidParameterError):
_func('ahoy', 'there')
with self.assertRaises(InvalidParameterError):
_func(arg1='ahoy', arg2='there')
def test_non_existant_required_arg(self):
"""Test that ValueError is returned if the decorator requires
a parameter that doesn't exist in the function signature.
"""
with self.assertRaises(ValueError):
_func = required_parameters('arg1', 'wibble', 'wobble')
_func(undecorated_func)
with self.assertRaises(ValueError):
_func = mutually_exclusive_parameters('arg1', 'wibble', 'wobble')
_func(undecorated_func)
def test_non_existant_required_arg(self):
"""Test that ValueError is returned if the decorator requires
a parameter that doesn't exist in the function signature.
"""
self.assertRaises(
ValueError,
required_parameters('arg1', 'wibble', 'wobble'),
undecorated_func)
self.assertRaises(
ValueError,
mutually_exclusive_parameters('arg1', 'wibble', 'wobble'),
undecorated_func)