def test_online_mean():
s = SimulatedTimeSeries(make_data(1, 6))
s_mean = s.online_mean()
assert s_mean.produce(3) == [(1, 1.0), (2, 1.5), (3, 2.0)]
assert s_mean.produce(3) == [(4, 2.5), (5, 3.0), (6, 3.5)]
s = SimulatedTimeSeries(make_data(1, 6))
s_mean = s.online_mean()
s_mean.produce(3)
s_mean = s.online_mean()
assert s_mean.produce(3) == [(4, 4.0), (5, 4.5), (6, 5.0)]
def test_online_std():
s = SimulatedTimeSeries(make_data(1, 6))
s_std = s.online_std()
assert s_std.produce(3) == [(1, 0.0), (2, 0.7071067811865476), (3, 1.0)]
assert s_std.produce(3) == [(4, 1.2909944487358056),
(5, 1.5811388300841898),
(6, 1.8708286933869707)]
s = SimulatedTimeSeries(make_data(1, 6))
s_std = s.online_std()
s_std.produce(3)
s_std = s.online_std()
assert s_std.produce(3) == [(4, 0.0), (5, 0.7071067811865476), (6, 1.0)]
def test_iter():
ts = SimulatedTimeSeries(make_data(0, 3))
assert list(iter(ts)) == [(0, 0), (1, 1), (2, 2), (3, 3)]
def test_str_with_time():
assert str(SimulatedTimeSeries(make_data(0, 3))) == "SimulatedTimeSeries"
def test_iter_time():
ts = SimulatedTimeSeries(make_data(0, 3))
assert list(ts.itertimes()) == [0, 1, 2, 3]
def test_produce_more():
ts = SimulatedTimeSeries(make_data(0, 3))
assert list(ts.produce(2)) == [(0, 0), (1, 1)]
assert list(ts.produce(4)) == [(2, 2), (3, 3)]