def test_exp_smooth_stddev(self):
"""Test correct exp_smooth stddev value."""
result = exp_smooth(NEW_N, NEW_S, NEW_M, OLD_N, OLD_S, OLD_M)
assert result['stddev'] > NEW_S
assert result['stddev'] < OLD_S
def test_exp_smooth_n(self):
"""Test correct exp_smooth n value."""
result = exp_smooth(NEW_N, NEW_S, NEW_M, OLD_N, OLD_S, OLD_M)
assert result['n'] == NEW_N
assert result['n'] == OLD_N
def test_exp_smooth_mean(self):
"""Test correct exp_smooth mean value."""
result = exp_smooth(NEW_N, NEW_S, NEW_M, OLD_N, OLD_S, OLD_M)
assert result['mean'] > NEW_M
assert result['mean'] < OLD_M
