# Copyright Commonwealth of Australia, Bureau of Meteorology 2025.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from pyearthtools.pipeline.operations.xarray.chunk import Chunk

import numpy as np
import xarray as xr


def test_Chunk():

    c = Chunk()

    data = np.ones((50, 50))
    da = xr.DataArray(coords={"a": list(range(50)), "b": list(range(50))}, data=data)

    da2 = c.apply_func(da)
    da3 = c.undo_func(da2)

    xr.testing.assert_equal(da3, da)
