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Fix stale perlin test that pins dropped-coords behavior (main is red) #3488

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Fix stale perlin test that pins dropped-coords behavior (main is red) #3488

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13 changes: 6 additions & 7 deletions xrspatial/tests/test_perlin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -319,17 +319,16 @@ def test_perlin_preserves_dims_and_attrs():
assert out.attrs == src.attrs


def test_perlin_drops_input_coords():
# Pins current behavior: perlin() rebuilds the output from dims + attrs but
# not coords, so input coordinate variables are dropped. This is a known
# bug -- see the perlin "drops input coordinates from output" issue. Flip
# this to assert the coords ARE preserved once that is fixed.
def test_perlin_preserves_input_coords():
# perlin() preserves the caller's x/y coordinates on the output (#3470).
src = xr.DataArray(np.zeros((10, 12), dtype=np.float32), dims=['lat', 'lon'])
src['lat'] = np.arange(10)
src['lon'] = np.arange(12)
out = perlin(src)
assert 'lat' not in out.coords
assert 'lon' not in out.coords
assert 'lat' in out.coords
assert 'lon' in out.coords
np.testing.assert_array_equal(out['lat'].values, src['lat'].values)
np.testing.assert_array_equal(out['lon'].values, src['lon'].values)


def test_perlin_docstring_documents_name():
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