def test_merge_construction():
s = stream("1")
evt = event(V.foo == 1) >> event(V.bar == 2)
span1 = span(s(evt), within=delta(days=1))
span2 = span(s(evt), within=delta(days=2))
assume(merge(span1, span2))
def test_simple_spans(query):
s1 = stream("1")
s2 = stream("2")
sp1 = span(s1.foo == query, s2.foo == query)
sp2 = span(s1.foo == query, s2.foo == query, within=delta(days=2))
assume(type(sp1) is Span)
assume(type(sp2) is Span)
def test_serial_construction(query1, query2):
s1 = stream("1")
s2 = stream("2")
evt1 = event(V.foo == query1)
evt2 = event(V.foo == query2)
srl = span(s1(evt1)) \
.then(s2(evt2), within=delta(days=5))
assume(type(srl) is Serial)