def test_estimate_parameters(self, timestamps, measurements):
from colonyscanalyser.utilities import round_tuple_floats
assert GrowthCurveModel.estimate_parameters(timestamps,
list()) == (0, 0, 0)
assert GrowthCurveModel.estimate_parameters(
timestamps, measurements,
window=len(timestamps) + 1) == (0, 0, 0)
with pytest.raises(ValueError):
GrowthCurveModel.estimate_parameters(timestamps, [0])
assert round_tuple_floats(
GrowthCurveModel.estimate_parameters(timestamps, measurements),
1) == (0.5, 1, 1)
assert GrowthCurveModel.estimate_parameters(
[0, 0, 0, 0, 0, 0], [0, 1, 3, 6, 10, 15],
window=3) == (0, 5, 16.414213562373096)
def test_init_model(self):
with pytest.raises(ValueError):
GrowthCurveModel(self)
def test_curve_fit(self):
params = list(range(10))
assert GrowthCurveModel._fit_curve(
lambda x, y: x * y, params, list(
reversed(params)), maxfev=1) is None
def test_gompertz(self):
assert GrowthCurveModel._gompertz(1, 1, 1, 1,
1) == 1.6583785030111096
assert GrowthCurveModel._gompertz(1, 1, 1, 1, 0) == 0