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24d0845e57
* Adjust test expectations in light of 3.9.0 * Appease flake8 * xfail new shape mask test See #3074
88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
"""Tests of updating a dataset's tags etc."""
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import affine
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import numpy as np
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import pytest
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import rasterio
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def test_update_tags(data):
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.update_tags(a='1', b='2')
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f.update_tags(1, c=3)
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with pytest.raises(IndexError):
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f.update_tags(4, d=4)
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assert f.tags() == {'AREA_OR_POINT': 'Area', 'a': '1', 'b': '2'}
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assert ('c', '3') in f.tags(1).items()
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def test_update_band(data):
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.write(np.zeros(f.shape, dtype=f.dtypes[0]), indexes=1)
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with rasterio.open(tiffname) as f:
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assert not f.read(1).any()
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def test_update_spatial(data):
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.transform = affine.Affine(1.0, 0.0, 1.0,
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0.0, -1.0, 0.0)
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f.crs = {'init': 'epsg:4326'}
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with rasterio.open(tiffname) as f:
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assert f.transform == affine.Affine(1.0, 0.0, 1.0,
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0.0, -1.0, 0.0)
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assert f.transform.to_gdal() == (1.0, 1.0, 0.0, 0.0, 0.0, -1.0)
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assert f.crs == {'init': 'epsg:4326'}
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def test_update_spatial_epsg(data):
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.transform = affine.Affine(1.0, 0.0, 1.0,
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0.0, -1.0, 0.0)
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f.crs = 'EPSG:4326'
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with rasterio.open(tiffname) as f:
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assert f.transform == affine.Affine(1.0, 0.0, 1.0,
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0.0, -1.0, 0.0)
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assert f.transform.to_gdal() == (1.0, 1.0, 0.0, 0.0, 0.0, -1.0)
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assert f.crs == {'init': 'epsg:4326'}
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def test_update_nodata(data):
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.nodata = 255
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with rasterio.open(tiffname) as f:
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assert f.nodatavals == (255, 255, 255)
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def test_update_nodatavals_none(data):
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"""GDAL 2.1 does support un-setting nodata values."""
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.nodata = None
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with rasterio.open(tiffname) as f:
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assert f.nodatavals == (None, None, None)
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def test_update_mask_true(data):
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"""Provide an option to set a uniformly valid mask."""
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.write_mask(True)
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with rasterio.open(tiffname) as f:
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assert f.read_masks().all()
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def test_update_mask_false(data):
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"""Provide an option to set a uniformly invalid mask."""
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tiffname = str(data.join('RGB.byte.tif'))
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with rasterio.open(tiffname, 'r+') as f:
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f.write_mask(False)
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with rasterio.open(tiffname) as f:
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assert not f.read_masks().any()
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