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Allow different netcdf version in test_valid_conversion #103

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Merged
ianthomas23 merged 1 commit into from
Jan 24, 2022
Merged

Allow different netcdf version in test_valid_conversion #103

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16 changes: 15 additions & 1 deletion mapshader/tests/test_tif_to_netcdf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,4 +78,18 @@ def test_valid_conversion(tmpdir):

shutil.copy2(path.join(FIXTURES_DIR, input_filename), input_filepath)
runner.invoke(tif_to_netcdf, [input_filepath], standalone_mode=False)
assert filecmp.cmp(output_filepath, expected_output_filepath)

# xarray.to_netcdf can produce NETCDF3 or 4 files depending on availability of scipy.io and
# python netCDF4 libraries. Need to check both possibilities.
if not filecmp.cmp(output_filepath, expected_output_filepath):
# Files differ, but may just be different netcdf version so check contents.
from numpy.testing import assert_array_almost_equal
import xarray as xr

a = xr.open_dataset(output_filepath)
b = xr.open_dataset(expected_output_filepath)
assert a.attrs == b.attrs
assert a.spatial_ref == b.spatial_ref
assert_array_almost_equal(a.coords["x"], b.coords["x"])
assert_array_almost_equal(a.coords["y"], b.coords["y"])
assert_array_almost_equal(a.data, b.data)