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import astra
import pytest
import scipy
import numpy as np
import scipy.sparse
@pytest.fixture
def scipy_matrix():
data = np.random.rand(10, 10).astype(np.float32)
return scipy.sparse.csr_array(data)
def test_create_get(scipy_matrix):
matrix_id = astra.matrix.create(scipy_matrix)
astra_matrix = astra.matrix.get(matrix_id)
astra.matrix.delete(matrix_id)
assert np.array_equal(astra_matrix.todense(), scipy_matrix.todense())
def test_get_size(scipy_matrix):
matrix_id = astra.matrix.create(scipy_matrix)
astra_matrix_size = astra.matrix.get_size(matrix_id)
astra.matrix.delete(matrix_id)
assert astra_matrix_size == scipy_matrix.shape
def test_store(scipy_matrix):
matrix_id = astra.matrix.create(scipy_matrix)
astra.matrix.store(matrix_id, -scipy_matrix)
astra_matrix = astra.matrix.get(matrix_id)
astra.matrix.delete(matrix_id)
assert np.array_equal(astra_matrix.todense(), -scipy_matrix.todense())
def test_delete(scipy_matrix):
matrix_id = astra.matrix.create(scipy_matrix)
astra.matrix.delete(matrix_id)
with pytest.raises(astra.log.AstraError):
astra.matrix.get(matrix_id)
def test_delete(scipy_matrix):
matrix_id1 = astra.matrix.create(scipy_matrix)
matrix_id2 = astra.matrix.create(scipy_matrix)
astra.matrix.clear()
with pytest.raises(astra.log.AstraError):
astra.matrix.get(matrix_id1)
with pytest.raises(astra.log.AstraError):
astra.matrix.get(matrix_id2)
def test_info(scipy_matrix, capsys):
get_n_info_objects = lambda: len(capsys.readouterr().out.split('\n')) - 5
matrix_id = astra.matrix.create(scipy_matrix)
astra.matrix.info()
assert get_n_info_objects() == 1
astra.matrix.delete(matrix_id)
astra.matrix.info()
assert get_n_info_objects() == 0
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