def test_union():
now = datetime.now(timezone.utc)
e1 = Event(timestamp=now - timedelta(seconds=20), duration=timedelta(seconds=5))
e2 = Event(timestamp=now - timedelta(seconds=10), duration=timedelta(seconds=5))
e3 = Event(timestamp=now, duration=timedelta(seconds=1))
e4 = Event(timestamp=now + timedelta(seconds=20), duration=timedelta(seconds=1))
# union separate event lists with duplicates
events_union = union([e1, e2, e4], [e2, e3])
assert events_union == [e1, e2, e3, e4]
e1 = Event(timestamp=now - timedelta(seconds=20), duration=timedelta(seconds=5))
e2 = Event(timestamp=now - timedelta(seconds=10), duration=timedelta(seconds=5))
e3 = Event(timestamp=now - timedelta(seconds=10), duration=timedelta(seconds=10))
e4 = Event(timestamp=now - timedelta(seconds=5), duration=timedelta(seconds=5))
e5 = Event(timestamp=now, duration=timedelta(seconds=10))
# union event lists with intersecting duplicates
events_union = union([e3, e2, e5], [e1, e3, e4, e5])
assert events_union == [e1, e2, e3, e4, e5]
e1 = Event(timestamp=now - timedelta(seconds=30), duration=timedelta(seconds=15))
e2 = Event(timestamp=now, duration=timedelta(seconds=3))
e3 = Event(timestamp=now, duration=timedelta(seconds=5))
e4 = Event(timestamp=now, duration=timedelta(seconds=10))
# union event lists with same timestamp but different duration duplicates
events_union = union([e1, e2, e4], [e3, e2, e1])
assert events_union == [e1, e2, e3, e4]
def test_union():
now = datetime.now(timezone.utc)
e1 = Event(timestamp=now - timedelta(seconds=20), duration=timedelta(seconds=5))
e2 = Event(timestamp=now - timedelta(seconds=10), duration=timedelta(seconds=5))
e3 = Event(timestamp=now, duration=timedelta(seconds=1))
e4 = Event(timestamp=now + timedelta(seconds=20), duration=timedelta(seconds=1))
# union separate event lists with duplicates
events_union = union([e1, e2, e4], [e2, e3])
assert events_union == [e1, e2, e3, e4]
e1 = Event(timestamp=now - timedelta(seconds=20), duration=timedelta(seconds=5))
e2 = Event(timestamp=now - timedelta(seconds=10), duration=timedelta(seconds=5))
e3 = Event(timestamp=now - timedelta(seconds=10), duration=timedelta(seconds=10))
e4 = Event(timestamp=now - timedelta(seconds=5), duration=timedelta(seconds=5))
e5 = Event(timestamp=now, duration=timedelta(seconds=10))
# union event lists with intersecting duplicates
events_union = union([e3, e2, e5], [e1, e3, e4, e5])
assert events_union == [e1, e2, e3, e4, e5]
e1 = Event(timestamp=now - timedelta(seconds=30), duration=timedelta(seconds=15))
e2 = Event(timestamp=now, duration=timedelta(seconds=3))
e3 = Event(timestamp=now, duration=timedelta(seconds=5))
e4 = Event(timestamp=now, duration=timedelta(seconds=10))
# union event lists with same timestamp but different duration duplicates
events_union = union([e1, e2, e4], [e3, e2, e1])
assert events_union == [e1, e2, e3, e4]