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import astra
import pytest
import numpy as np
@pytest.fixture
def algorithm_config():
proj_geom = astra.create_proj_geom('parallel3d', 1.0, 1.0, 20, 20, np.linspace(0, 1, 30))
vol_geom = astra.create_vol_geom(10, 10, 10)
proj_data_id = astra.data3d.create('-sino', proj_geom)
vol_data_id = astra.data3d.create('-vol', vol_geom)
config = astra.astra_dict('FP3D_CUDA')
config['ProjectionDataId'] = proj_data_id
config['VolumeDataId'] = vol_data_id
yield config
astra.data3d.delete(proj_data_id)
astra.data3d.delete(vol_data_id)
def test_create_run(algorithm_config):
algorithm_id = astra.algorithm.create(algorithm_config)
astra.algorithm.run(algorithm_id)
astra.algorithm.delete(algorithm_id)
def test_delete(algorithm_config):
algorithm_id = astra.algorithm.create(algorithm_config)
astra.algorithm.delete(algorithm_id)
with pytest.raises(astra.log.AstraError):
astra.algorithm.run(algorithm_id)
def test_clear(algorithm_config):
algorithm_id1 = astra.algorithm.create(algorithm_config)
algorithm_id2 = astra.algorithm.create(algorithm_config)
astra.algorithm.clear()
with pytest.raises(astra.log.AstraError):
astra.algorithm.run(algorithm_id1)
with pytest.raises(astra.log.AstraError):
astra.algorithm.run(algorithm_id2)
def test_info(algorithm_config, capsys):
get_n_info_objects = lambda: len(capsys.readouterr().out.split('\n')) - 5
algorithm_id = astra.algorithm.create(algorithm_config)
astra.algorithm.info()
assert get_n_info_objects() == 1
astra.algorithm.delete(algorithm_id)
astra.algorithm.info()
assert get_n_info_objects() == 0
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