pyewjn/tests/dielectric/test_nam_dielectric_coefficient_approximator.py

105 lines
2.8 KiB
Python

import pytest
import numpy as np
import pynam.dielectric.nam_dielectric_coefficient_approximator
@pytest.mark.parametrize("test_input,expected", [
# (
# (omega, sigma_n, tau, v_f, T, T_c, c_light),
# (xi, nu, t, A, B)
# )
(
(1e9, 1e16, 1e-14, 2e6, 0.8e11, 1e11, 3e8),
(0.007307411691175783, 730.7411691175784, 0.5845929352940626, 0.00004871607794117188, 10000000)
)
])
def test_dedimensionalise_parameters(test_input, expected):
actual_parameters = pynam.dielectric.nam_dielectric_coefficient_approximator.get_dedimensionalised_parameters(*test_input)
np.testing.assert_almost_equal(
actual_parameters.xi, expected[0],
decimal=6, err_msg='xi incorrectly calculated'
)
np.testing.assert_almost_equal(
actual_parameters.nu, expected[1],
decimal=6, err_msg='nu incorrectly calculated'
)
np.testing.assert_almost_equal(
actual_parameters.t, expected[2],
decimal=6, err_msg='t incorrectly calculated'
)
np.testing.assert_almost_equal(
actual_parameters.a, expected[3],
decimal=6, err_msg='A incorrectly calculated'
)
np.testing.assert_almost_equal(
actual_parameters.b, expected[4],
decimal=6, err_msg='B incorrectly calculated'
)
@pytest.mark.parametrize("test_input,expected", [
# (
# (omega, sigma_n, tau, v_f, T, T_c, c_light),
# (a, b, c, d, u_l)
# )
(
(1e9, 1e16, 1e-14, 2e6, 0.8e11, 1e11, 3e8),
(3.789672906817707e10, 3.257134605133221e8, 2.655709897616547e18, 2.15e16, 7.007759408279888e7)
)
])
def test_nam_coefficients(test_input, expected):
actual_coefficients = pynam.dielectric.nam_dielectric_coefficient_approximator.get_nam_dielectric_coefficients(*test_input)
np.testing.assert_allclose(
actual_coefficients.a, expected[0],
rtol=1e-6, err_msg='a incorrectly calculated'
)
np.testing.assert_allclose(
actual_coefficients.b, expected[1],
rtol=1e-6, err_msg='b incorrectly calculated'
)
np.testing.assert_allclose(
actual_coefficients.c, expected[2],
rtol=1e-2, err_msg='c incorrectly calculated'
)
np.testing.assert_allclose(
actual_coefficients.d, expected[3],
rtol=1e-2, err_msg='d incorrectly calculated'
)
np.testing.assert_allclose(
actual_coefficients.u_l, expected[4],
rtol=1e-5, err_msg='u_l incorrectly calculated'
)
def test_nam_eps():
u_c = 1e15
eps_to_test = pynam.dielectric.nam_dielectric_coefficient_approximator.get_nam_dielectric_coefficients(
1e9,
1e16,
1e-14,
2e6,
0.8e11,
1e11,
3e8).eps()
np.testing.assert_allclose(
eps_to_test(10, u_c), -3.789672906817707e10 + 3.257134605133221e8j,
rtol=1e-3, err_msg='below u_l bad'
)
np.testing.assert_allclose(
eps_to_test(1e10, u_c), -2.655709887616547e8 + 2.302290450767144e6j,
rtol=1e-3, err_msg='linear region bad'
)
np.testing.assert_allclose(
eps_to_test(1e17, u_c), 1,
rtol=1e-6, err_msg='above cutoff bad'
)