src/main/python/tests/algorithms/test_solve.py

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import unittest

import numpy as np

from systemds.context import SystemDSContext
from systemds.operator.algorithm import solve


np.random.seed(7)
A = np.random.random((10, 10))
B = np.random.random(10)


class TestSOLVE(unittest.TestCase):

    sds: SystemDSContext = None

    @classmethod
    def setUpClass(cls):
        cls.sds = SystemDSContext(capture_stdout=True, logging_level=50)

    @classmethod
    def tearDownClass(cls):
        cls.sds.close()

    def test_solve(self):
        sds_result = solve(self.sds.from_numpy(A), self.sds.from_numpy(B)).compute()
        np_result = np.linalg.solve(A, B).reshape((-1, 1))
        self.assertTrue(np.allclose(sds_result, np_result, 1e-9))


if __name__ == "__main__":
    unittest.main(exit=False)