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"""Tests of dataset connection sharing"""
import rasterio
def test_sharing_on(capfd, path_rgb_byte_tif):
"""Datasets are shared"""
with rasterio.Env() as env:
# Opens a new file.
with rasterio.open(path_rgb_byte_tif) as srcx:
env._dump_open_datasets()
captured = capfd.readouterr()
assert "1 N GTiff" in captured.err
assert "1 S GTiff" not in captured.err
# Does not open a new file.
with rasterio.open(path_rgb_byte_tif, sharing=True) as srcy:
env._dump_open_datasets()
captured = capfd.readouterr()
assert "1 N GTiff" in captured.err
assert "1 S GTiff" in captured.err
def test_sharing_off(capfd, path_rgb_byte_tif):
"""Datasets are not shared"""
with rasterio.Env() as env:
# Opens a new file.
with rasterio.open(path_rgb_byte_tif, sharing=False) as srcx:
env._dump_open_datasets()
captured = capfd.readouterr()
assert "1 N GTiff" in captured.err
assert "1 S GTiff" not in captured.err
# Opens a new file.
with rasterio.open(path_rgb_byte_tif, sharing=False) as srcy:
env._dump_open_datasets()
captured = capfd.readouterr()
assert captured.err.count("1 N GTiff") == 2
assert "1 S GTiff" not in captured.err
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