def test_reaction_decorator_fails():
class Foo:
def foo(self, *events):
pass
f = Foo()
def foo(*events):
pass
# Needs at least one argument
with raises(TypeError):
event.reaction()
# Need a function
with raises(TypeError):
event.reaction('!foo')(3)
# Need self argument
with raises(TypeError):
event.reaction('!foo')(foo)
# Cannot be bound method
with raises(TypeError):
event.reaction('!foo')(f.foo)
def test_reaction_python_only():
m = MyObject1()
# Reaction decorator needs proper callable and connection strings
with raises(TypeError):
event.reaction(3)
with raises(TypeError):
event.reaction(isinstance)
# Check type of the instance attribute
assert isinstance(m.r1, event._reaction.Reaction)
# Cannot set or delete a reaction
with raises(AttributeError):
m.r1 = 3
with raises(AttributeError):
del m.r1
# Repr and docs
assert 'reaction' in repr(m.__class__.r1).lower()
assert 'reaction' in repr(m.r1).lower()
assert 'r1' in repr(m.r1)