import pyewjn.dielectric
import numpy as np
import pytest
from pyewjn.baskets import CalculationParams


def get_common_lindhard_dielectric():
	params = CalculationParams(omega=1e9, omega_p=3.5e15, tau=1e-14, v_f=2e6)
	return pyewjn.dielectric.get_lindhard_dielectric_transverse(params)


@pytest.mark.skip(reason="Not actually correct values")
@pytest.mark.parametrize(
	"test_input,expected",
	[
		(10, -1222.185185062794 + 1.2249999998777178e8j),
		(1000, 16924.14814718176 + 1.2250000020552777e8j),
		(1e8, 83.687499999706 + 0.00022417398943752126j),
	],
)
def test_lindhard_dielectric_transverse(test_input, expected):

	eps_to_test = get_common_lindhard_dielectric()

	np.testing.assert_almost_equal(
		eps_to_test(test_input), expected, decimal=6, err_msg="b function is off"
	)