def test_with_tags():
r = TopicsRegistry()
t1 = Topic('test1', tags=['aaa'])
t2 = Topic('test2', tags=['bbb', 'ccc'])
t3 = Topic('test3', tags=['aaa', 'ccc', 'ddd'])
r.register(t1)
r.register(t2)
r.register(t3)
results = r.with_tags(['aaa'])
assert len(results) == 2
assert t1 in results
assert t3 in results
results = r.with_tags(['aaa'])
assert len(results) == 2
assert t1 in results
assert t3 in results
results = r.with_tags(['missing-tag'])
assert len(results) == 0
with pytest.raises(AssertionError):
r.with_tags(None)
with pytest.raises(AssertionError):
r.with_tags('string')
with pytest.raises(AssertionError):
r.with_tags(123)
def test_remove_all():
r = TopicsRegistry()
t1 = Topic('test1')
t2 = Topic('test2')
r.register(t1)
r.register(t2)
assert len(r) == 2
r.remove_all()
assert len(r) == 0
def test_count():
r = TopicsRegistry()
t1 = Topic('test1')
r.register(t1)
assert r.count() == 1
t2 = Topic('test2')
t3 = Topic('test3')
r.register(t2)
r.register(t3)
assert r.count() == 3
def test_remove():
r = TopicsRegistry()
t1 = Topic('test1')
t2 = Topic('test2')
r.register(t1)
r.register(t2)
assert len(r) == 2
r.remove(t2)
assert len(r) == 1
assert t2 not in r
def test_constructor():
t = Topic('test', description='this is a test topic', owner='me')
assert t.id is not None
assert len(t.eventtypes) == 0
assert t.owner is not None
assert len(t.tags) == 0
assert t.timestamp is not None
ets = [GenericEventType(), DataOperationEventType()]
t = Topic('test', eventtypes=ets,
description='this is a test topic', owner='me',
tags=['x', 'y'])
assert len(t.eventtypes) == 2
assert len(t.tags) == 2
def test_register():
r = TopicsRegistry()
t = Topic('test')
r.register(t)
assert r.count() == 1
# registering the same topic multiple times won't change it
r.register(t)
assert r.count() == 1
# ... but a new one, will
t2 = Topic('test2')
r.register(t2)
assert r.count() == 2
def test_magic_methods():
r = TopicsRegistry()
t1 = Topic('test1')
r.register(t1)
assert len(r) == 1
assert t1 in r
t2 = Topic('test2')
assert t2 not in r
r.register(Topic('test2'))
r.register(Topic('test3'))
for _ in r:
pass
def test_with_name():
r = TopicsRegistry()
t1 = Topic('test1')
t2 = Topic('test2')
t3 = Topic('test3')
r.register(t1)
r.register(t2)
r.register(t3)
result = r.with_name('test3')
assert result == t3
result = r.with_name('missing-name')
assert result is None
with pytest.raises(AssertionError):
r.with_name(None)
def test_constructor_failures():
with pytest.raises(TypeError):
Topic()
pytest.fail()
with pytest.raises(AssertionError):
Topic(123)
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', tags='abc')
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', eventtypes='abc')
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', eventtypes=['abc'])
pytest.fail()
def test_with_id():
r = TopicsRegistry()
t1 = Topic('test1')
t2 = Topic('test2')
t3 = Topic('test3')
r.register(t1)
r.register(t2)
r.register(t3)
id2 = t2.id
result = r.with_id(id2)
assert result == t2
result = r.with_id('missing-id')
assert result is None
with pytest.raises(AssertionError):
r.with_id(None)
def test_publish_on_topic():
reg = TopicsRegistry()
t = Topic('test', eventtypes=[GenericEventType(), MetricEventType()])
evt = Event(MetricEventType())
# failures
with pytest.raises(AssertionError):
reg.publish_on_topic(None, t)
with pytest.raises(AssertionError):
reg.publish_on_topic(123, t)
with pytest.raises(AssertionError):
reg.publish_on_topic(evt, None)
with pytest.raises(AssertionError):
reg.publish_on_topic(evt, 123)
# using a databox class to keep state and make assertions
class Box:
def __init__(self):
self.called = False
def mark_called(self):
self.called = True
# publish an event on a topic that doesn't have its eventtype registered
t = Topic('aaa', eventtypes=[GenericEventType()])
evt = Event(MetricEventType())
box = Box()
r = ReactorFactory.call_function(box, 'mark_called')
reg.register(t)
reg.on_topic_run(t, r)
reg.publish_on_topic(evt, t)
assert not box.called
# publish an event on a topic that has its eventtype registered
reg = TopicsRegistry()
t = Topic('aaa', eventtypes=[MetricEventType()])
box = Box()
r = ReactorFactory.call_function(box, 'mark_called')
reg.register(t)
reg.on_topic_run(t, r)
evt = Event(MetricEventType())
reg.publish_on_topic(evt, t)
assert box.called
def test_of():
r = TopicsRegistry()
t1 = Topic('test1', owner='me')
t2 = Topic('test2', owner='you')
t3 = Topic('test3', owner='me')
assert len(r.of('me')) == 0
assert len(r.of('you')) == 0
r.register(t1)
r.register(t2)
r.register(t3)
my_topics = r.of('me')
your_topics = r.of('you')
assert len(my_topics) == 2
assert len(your_topics) == 1
assert t1 in my_topics
assert t3 in my_topics
assert t2 in your_topics
with pytest.raises(AssertionError):
r.of(None)
def test_on_topic_run():
brq = Baroque()
t1 = Topic('test-topic1',
eventtypes=[MetricEventType(),
GenericEventType()])
assert len(brq.topics.topics) == 0
brq.on_topic_run(t1, ReactorFactory.stdout())
assert len(brq.topics.topics) == 1
assert len(brq.topics.topics[t1]) == 1
# one more reactor on the same topic
brq.on_topic_run(t1, ReactorFactory.stdout())
assert len(brq.topics.topics) == 1
assert len(brq.topics.topics[t1]) == 2
# let's register another topic
t2 = Topic('test-topic2', eventtypes=[MetricEventType()])
brq.on_topic_run(t2, ReactorFactory.stdout())
assert len(brq.topics.topics) == 2
assert len(brq.topics.topics[t1]) == 2
assert len(brq.topics.topics[t2]) == 1
def new(self, name, **kwargs):
"""Creates a new topic, adds it to the registry and returns it.
Args:
name (str): name of the new topic
**kwargs: positional arguments for `Topic` instantiation
Returns:
:obj:`baroque.entities.topic.Topic`
"""
topic = Topic(name, **kwargs)
self.register(topic)
return topic
def new(self, name, eventtypes, **kwargs):
"""Creates a new topic, adds it to the registry and returns it.
Args:
name (str): name of the new topic
eventtypes (collection): the :obj:`baroque.entities.eventtype.EventType` objects that characterize the new topic
**kwargs: positional arguments for `Topic` instantiation
Returns:
:obj:`baroque.entities.topic.Topic`
"""
topic = Topic(name, eventtypes, **kwargs)
self.register(topic)
return topic
def test_register_on_binding():
# do register topics upon reactor binding
cfg['topics']['register_on_binding'] = True
brq = Baroque()
brq.config = cfg
t = Topic('test-topic')
assert len(brq.topics) == 0
brq.on_topic_run(t, ReactorFactory.stdout())
assert len(brq.topics) == 1
# do not register topics upon reactor binding: throw an exception
cfg['topics']['register_on_binding'] = False
brq = Baroque()
brq.config = cfg
with pytest.raises(UnregisteredTopicError):
brq.on_topic_run(t, ReactorFactory.stdout())
def test_run():
reg = TopicsRegistry()
t = Topic('test-topic')
r1 = ReactorFactory.stdout()
# failures
with pytest.raises(AssertionError):
reg.on_topic_run(None, r1)
with pytest.raises(AssertionError):
reg.on_topic_run(123, r1)
with pytest.raises(AssertionError):
reg.on_topic_run(t, None)
with pytest.raises(AssertionError):
reg.on_topic_run(t, 123)
# adding a reactor to a topic that is not yet registered is idempotent
assert len(reg.topics) == 0
reg.on_topic_run(t, r1)
assert len(reg.topics) == 0
# adding a reactor to a topic that is registered
r1 = ReactorFactory.stdout()
reg.register(t)
reg.on_topic_run(t, r1)
reactors = reg.topics[t]
assert len(reactors) == 1
assert r1 in reactors
# adding another reactor on the same topic does not cause topic duplication
r2 = ReactorFactory.stdout()
reg.on_topic_run(t, r2)
assert len(reg.topics) == 1
reactors = reg.topics[t]
assert len(reactors) == 2
assert r2 in reactors
# adding a reactor to an already registered topic
reg = TopicsRegistry()
reg.register(t)
r3 = ReactorFactory.stdout()
reg.on_topic_run(t, r3)
assert len(reg.topics) == 1
reactors = reg.topics[t]
assert len(reactors) == 1
assert r3 in reactors
def test_publish_on_topic():
brq = Baroque()
t = brq.topics.new('test-topic1',
eventtypes=[MetricEventType(),
GenericEventType()])
evt = Event(MetricEventType())
# trying to publish events to an unregistered topic
with pytest.raises(UnregisteredTopicError):
brq.publish_on_topic(evt, Topic('unregistered'))
pytest.fail()
# using a box to keep state and make assertions
box = Box()
brq.on_topic_run(t, ReactorFactory.call_function(box, 'mark_called'))
assert not box.called
assert brq.events.count_all() == 0
brq.publish_on_topic(evt, t)
assert box.called
assert brq.events.count_all() == 1
assert evt.status == EventStatus.PUBLISHED
def test_constructor_failures():
with pytest.raises(TypeError):
Topic()
pytest.fail()
with pytest.raises(AssertionError):
Topic(123, [])
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', None)
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', 'abc')
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', ['abc'])
pytest.fail()
with pytest.raises(AssertionError):
Topic('test', [], tags='abc')
pytest.fail()
def test_print():
print(Topic('test'))
def test_print():
print(Topic('test', []))
