def test_emitter_python_only():
m = MyObject()
# Emitter decorator needs proper callable
with raises(TypeError):
event.emitter(3)
if '__pypy__' in sys.builtin_module_names:
pass # skip
else:
with raises(TypeError):
event.emitter(isinstance)
# Check type of the instance attribute
assert isinstance(m.foo, event._emitter.Emitter)
# Cannot set or delete an emitter
with raises(AttributeError):
m.foo = 3
with raises(AttributeError):
del m.foo
# Repr and docs
assert 'emitter' in repr(m.__class__.foo).lower()
assert 'emitter' in repr(m.foo).lower()
assert 'foo' in repr(m.foo)
def test_emitter_python_only():
m = MyObject()
# Emitter decorator needs proper callable
with raises(TypeError):
event.emitter(3)
if '__pypy__' in sys.builtin_module_names:
pass # skip
else:
with raises(TypeError):
event.emitter(isinstance)
# Check type of the instance attribute
assert isinstance(m.foo, event._emitter.Emitter)
# Cannot set or delete an emitter
with raises(AttributeError):
m.foo = 3
with raises(AttributeError):
del m.foo
# Repr and docs
assert 'emitter' in repr(m.__class__.foo).lower()
assert 'emitter' in repr(m.foo).lower()
assert 'foo' in repr(m.foo)
def test_emitter_python_only():
m = MyObject()
# Emitter decorator needs proper callable
with raises(TypeError):
event.emitter(3)
with raises((TypeError, ValueError)): # CPython, Pypy
event.emitter(isinstance)
# Check type of the instance attribute
assert isinstance(m.foo, event._emitter.Emitter)
# Cannot set or delete an emitter
with raises(AttributeError):
m.foo = 3
with raises(AttributeError):
del m.foo
# Repr and docs
assert 'emitter' in repr(m.__class__.foo).lower()
assert 'emitter' in repr(m.foo).lower()
assert 'foo' in repr(m.foo)
def test_emitter():
class MyObject(event.HasEvents):
@event.emitter
def foo(self, v):
return dict(value=float(v))
@event.emitter
def bar(self, v):
return dict(value=float(v)+1) # note plus 1
@event.connect('foo')
def on_foo(self, *events):
self.the_val = events[0].value # so we can test it
@event.connect('bar')
def on_bar(self, *events):
self.the_val = events[0].value # so we can test it
m = MyObject()
the_vals = []
@m.connect('foo', 'bar')
def handle_foo(*events):
the_vals.append(events[0].value)
with event.loop:
m.foo(3.2)
assert m.the_val == 3.2
assert the_vals[-1] == 3.2
with event.loop:
m.foo('9.1')
assert m.the_val == 9.1
assert the_vals[-1] == 9.1
with event.loop:
m.bar(3.2)
assert m.the_val == 4.2
assert the_vals[-1] == 4.2
# Fail
with raises(ValueError):
m.foo('bla')
with raises(TypeError):
event.emitter(3) # emitter decorator needs callable
with raises(AttributeError):
del m.foo # cannot delete an emitter
with raises(AttributeError):
m.foo = None # cannot set an emitter
class MyObject2(event.HasEvents):
@event.emitter
def foo(self, v):
return float(v)
with raises(TypeError):
m = MyObject2()
m.foo(3.2) # return value of emitter must be a dict