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import pathlib
import pytest
import xarray as xr
dask = pytest.importorskip("dask")
DATA_FOLDER = pathlib.Path(__file__).parent / "data"
def test_open_pol_dataset_preferred_chunks() -> None:
product_path = (
DATA_FOLDER
/ "S1B_IW_SLC__1SDV_20210401T052622_20210401T052650_026269_032297_EFA4.SAFE"
)
res = xr.open_dataset(product_path, engine="sentinel-1", group="IW1/VV", chunks={})
assert isinstance(res, xr.Dataset)
assert len(res.dims) == 2
assert res.measurement.chunks[0][0] == res.attrs["lines_per_burst"]
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