def test_it_attach_method_as_rule_to_class_with_rulename(self):
method = mock.Mock(__name__='method')
cls = mock.Mock(**{'set_one.return_value': method,
'_rules': {'rulename': 42},
'__name__': 'classname'})
del cls.method
meta.rule(cls, 'rulename')(method)
self.assertIs(method, cls.method)
cls.set_one.assert_call_once_with(42, 'method', method)
def test_it_attach_method_as_rule_to_class(self):
functioname = mock.Mock(__name__='functioname')
cls = mock.Mock(**{'set_one.return_value': functioname,
'_rules': {}, '__name__': 'classname'})
del cls.functioname
meta.rule(cls)(functioname)
self.assertIs(functioname, cls.functioname)
cls.set_one.assert_call_once_with(
cls._rules, 'functioname', functioname)
def test_it_does_not_attach_a_rule_if_method_already_exist(self):
class cls:
_rules = {}
def method(self):
pass
method = mock.Mock(__name__='method')
with self.assertRaises(AttributeError):
meta.rule(cls, 'rulename')(method)
def test_it_does_not_attach_a_rule_if_method_already_exist(self):
class cls:
_rules = {}
def method(self):
pass
method = mock.Mock(__name__='method')
with self.assertRaises(AttributeError):
meta.rule(cls, 'rulename')(method)
def test_it_attach_method_as_rule_to_class(self):
functioname = mock.Mock(__name__='functioname')
cls = mock.Mock(
**{
'set_one.return_value': functioname,
'_rules': {},
'__name__': 'classname'
})
del cls.functioname
meta.rule(cls)(functioname)
self.assertIs(functioname, cls.functioname)
cls.set_one.assert_call_once_with(cls._rules, 'functioname',
functioname)
def test_it_attach_method_as_rule_to_class_with_rulename(self):
method = mock.Mock(__name__='method')
cls = mock.Mock(
**{
'set_one.return_value': method,
'_rules': {
'rulename': 42
},
'__name__': 'classname'
})
del cls.method
meta.rule(cls, 'rulename')(method)
self.assertIs(method, cls.method)
cls.set_one.assert_call_once_with(42, 'method', method)