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40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
"""Tests for correct behavior of Rasterio's GDALEnv in concurrent programs"""
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from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
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import rasterio as rio
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def get_data(path):
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"""Return all raster bands as an ndarray"""
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with rio.open(path) as src:
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return src.read()
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def test_threads_main_env():
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"""Get raster data using ThreadPoolExecutor with main thread Env"""
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with rio.Env(), ThreadPoolExecutor(4) as pool:
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for res in pool.map(get_data, ['tests/data/RGB.byte.tif'] * 10):
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assert res.any()
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def test_threads_no_main_env():
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"""Get raster data using ThreadPoolExecutor with no main thread Env"""
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with ThreadPoolExecutor(4) as pool:
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for res in pool.map(get_data, ['tests/data/RGB.byte.tif'] * 10):
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assert res.any()
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def testget_data_main_env():
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"""Get raster data using ProcessPoolExecutor with main thread Env"""
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with rio.Env(), ProcessPoolExecutor() as pool:
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for res in pool.map(get_data, ['tests/data/RGB.byte.tif'] * 10):
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assert res.any()
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def testget_data_no_main_env():
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"""Get raster data using ProcessPoolExecutor with main thread Env"""
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with ProcessPoolExecutor() as pool:
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for res in pool.map(get_data, ['tests/data/RGB.byte.tif'] * 10):
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assert res.any()
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