#!/usr/bin/env python3
# Copyright (C) 2025 Space Science and Engineering Center (SSEC),
# University of Wisconsin-Madison.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This file is part of the polar2grid software package. Polar2grid takes
# satellite observation data, remaps it, and writes it to a file format for
# input into another program.
# Documentation: http://www.ssec.wisc.edu/software/polar2grid/
"""Test dtype conversions."""
import numpy as np
import pytest
from polar2grid.core.dtype import dtype_to_str, str_to_dtype
[docs]
@pytest.mark.parametrize(
("input_arg", "exp_str"),
[
(np.uint8, "uint8"),
("uint8", "uint8"),
("u1", "uint8"),
(np.dtype("uint8"), "uint8"),
(np.float32, "float32"),
("float32", "float32"),
("f4", "float32"),
(np.dtype("float32"), "float32"),
(np.float64, "float64"),
("float64", "float64"),
("f8", "float64"),
(np.dtype("float64"), "float64"),
(np.int8, "int8"),
("int8", "int8"),
("i1", "int8"),
(np.dtype("int8"), "int8"),
],
)
def test_dtype_to_str(input_arg, exp_str):
"""Test conversion from dtype to string."""
dtype_str = dtype_to_str(input_arg)
assert dtype_str == exp_str
[docs]
@pytest.mark.parametrize(
("input_arg", "exp_dtype"),
[
("uint8", np.uint8),
("int8", np.int8),
("float32", np.float32),
],
)
def test_str_to_dtype(input_arg, exp_dtype):
"""Test conversion from string to dtype."""
np_dtype = str_to_dtype(input_arg)
assert np_dtype == exp_dtype
