rasterio/tests/test_deprecated.py
2017-06-28 15:05:16 +02:00

54 lines
1.7 KiB
Python

"""Unittests for deprecated features"""
import affine
import pytest
import rasterio
from rasterio.errors import RasterioDeprecationWarning
def test_open_affine_and_transform(path_rgb_byte_tif):
"""Passsing both 'affine' and 'transform' to rasterio.open() should issue
some helpful warnings.
By settings the 'affine' kwarg to a wacky value we ensure that the
'transform' kwarg is used while ignoring the 'affine' kwarg.
"""
with pytest.warns(None) as record:
with rasterio.open(
path_rgb_byte_tif,
affine=rasterio,
transform=affine.Affine.identity()):
pass
assert len(record) == 2
assert "The 'affine' kwarg in rasterio.open() is deprecated" in str(record[0].message)
assert "choosing 'transform'" in str(record[1].message)
def test_open_transform_gdal_geotransform(path_rgb_byte_tif):
"""Passing a GDAL geotransform to rasterio.open(transform=...) should raise
an exception.
"""
with pytest.raises(TypeError):
with rasterio.open(
path_rgb_byte_tif,
transform=tuple(affine.Affine.identity())):
pass
def test_open_affine_kwarg_warning(path_rgb_byte_tif):
"""Passing the 'affine' kwarg to rasterio.open() should raise a warning."""
with pytest.warns(DeprecationWarning):
with rasterio.open(
path_rgb_byte_tif,
affine=affine.Affine.identity()):
pass
def test_src_affine_warning(path_rgb_byte_tif):
"""Calling src.affine should raise a warning."""
with pytest.warns(RasterioDeprecationWarning):
with rasterio.open(path_rgb_byte_tif) as src:
assert src.affine == src.transform