# pylint: disable=missing-function-docstring
# -*- coding: utf-8 -*-
#
# This file is part of LDTObserverTools.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Created on 04-Nov-2024
#
# @author: tbowers
"""DeVeny Grating Angle Calculator TEST Module
"""
import numpy as np
from obstools import deveny_grangle
# NOTE: No unit tests for deveny_grangle_cli() and deveny_grangle_gui()
# functions. Need to find another way to test those.
[docs]
def test_compute_grangle():
grangle, amag = deveny_grangle.compute_grangle(400, 8000)
# Ensure returns are floats and the correct values
assert isinstance(grangle, float)
assert isinstance(amag, float)
assert np.isclose(grangle, 27.8919, atol=1.0e-4)
assert np.isclose(amag, 0.8257, atol=1.0e-4)
[docs]
def test_grangle_eqn():
zero = deveny_grangle.grangle_eqn(np.deg2rad(22.54), 300, 5195)
# Ensure zero is a float and of the correct value
assert isinstance(zero, float)
assert np.isclose(zero, 0, atol=1)
# Check another grating
zero = deveny_grangle.grangle_eqn(np.deg2rad(21.00), 150, 7220)
assert np.isclose(zero, 0, atol=1)
[docs]
def test_lambda_at_angle():
cenwave = deveny_grangle.lambda_at_angle(22.54, 300)
# Ensure cenwave is a float and of the correct value
assert isinstance(cenwave, float)
assert np.isclose(cenwave, 5195, atol=1)
# Check another grating
cenwave = deveny_grangle.lambda_at_angle(25.60, 500)
assert np.isclose(cenwave, 5000, atol=1)
# Test the radians option
cenwave = deveny_grangle.lambda_at_angle(np.deg2rad(40.96), 831, radians=True)
assert np.isclose(cenwave, 8499, atol=1)
[docs]
def test_deveny_amag():
amag = deveny_grangle.deveny_amag(22.54)
# Ensure amag is a float of the correct value
assert isinstance(amag, float)
assert np.isclose(amag, 0.9122, atol=1.0e-4)
# Check another value
amag = deveny_grangle.deveny_amag(27.04)
assert np.isclose(amag, 0.8391, atol=1.0e-4)