def test_many_events_with_dictionary():
subject = Observable()
subject.on({ # setting events of an observable with dictionary
'one': one_handler,
'two': two_handler,
'custom': CustomEvent(),
'many': [one_handler, two_handler]})
subject.trigger('one two custom many', 1, 2, a=3, b=4)
def test_event_with_many_handlers_attached():
subject = Observable()
subject.on('many', [one_handler, two_handler])
assert(subject.events['many'] is subject.many)
assert(one_handler and two_handler in subject.many.handlers)
# remove a handler
subject.off('many', one_handler)
assert(one_handler not in subject.many.handlers)
# remove the event
subject.off('many')
assert('many' not in subject.events)
with raises(AttributeError):
subject.many
def test_event_with_handler_attached():
subject = Observable()
subject.on('one', one_handler)
subject.on('two', two_handler)
assert(subject.events['one'] is subject.one)
assert(subject.events['two'] is subject.two)
# trigger
subject.one(1, 2, a=3, b=4)
subject.one.trigger(1, 2, a=3, b=4)
subject.trigger('one', 1, 2, a=3, b=4)
subject.events['one'].trigger(1, 2, a=3, b=4)
subject.trigger('one two', 1, 2, a=3, b=4)
subject.trigger(['one', 'two'], 1, 2, a=3, b=4)
def test_custom_event():
subject = Observable()
custom_event = CustomEvent()
subject.on('custom', custom_event)
subject.on(['custom', 'custom_alias'], custom_event) # same reference
assert(subject.custom and subject.custom_alias is custom_event)
assert(one_handler and two_handler in subject.custom.handlers)
# update an event
subject.on('custom', CustomEvent())
assert(subject.custom is not custom_event)
"""Alarm Event names"""
from observer import Observable
import logging
LOGGER = logging.getLogger('alarm')
# Events
MOTION_DETECTED = 'motion_detected'
# Basic handlers
def log_it(*args, **kwargs):
LOGGER.debug("%s, %s", args, kwargs)
# Setup events
observable = Observable()
observable.on(MOTION_DETECTED, [log_it])
def test_no_callable_handler():
subject = Observable()
with raises(TypeError):
subject.on('error', NotCallable())
def test_events_with_same_handlers_attached():
subject = Observable()
subject.on('many many2', [one_handler, two_handler])
assert(subject.many is not subject.many2)
assert(one_handler and two_handler in subject.many.handlers)
assert(one_handler and two_handler in subject.many2.handlers)
def test_events_with_same_handler_attached():
subject = Observable()
subject.on(['one', 'one2'], one_handler)
assert(subject.one is not subject.one2)
assert(one_handler in subject.one.handlers)
assert(one_handler in subject.one2.handlers)