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import unittest
import numpy as np
from systemds.context import SystemDSContext


class TestEigen(unittest.TestCase):
    def setUp(self):
        self.sds = SystemDSContext(capture_stdout=True, logging_level=50)

    def tearDown(self):
        self.sds.close()

    def test_svd_basic(self):

        input_matrix = np.array(
            [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]]
        )

        sds_input = self.sds.from_numpy(input_matrix)
        eigen_result = sds_input.eigen().compute()

        w, V = eigen_result
        # TODO add a proper verification
        # Currently this implementation rely on internal testing only.


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