src/main/python/tests/matrix/test_write.py

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import shutil
import unittest

import numpy as np
from systemds.context import SystemDSContext


class TestWrite(unittest.TestCase):

    sds: SystemDSContext = None
    temp_dir: str = "tests/matrix/temp_write/"

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

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

    def tearDown(self):
        shutil.rmtree(self.temp_dir, ignore_errors=True)

    def test_write_01(self):
        original = np.ones([10, 10])
        X = self.sds.from_numpy(original)
        X.write(self.temp_dir + "01").compute()

        NX = self.sds.read(self.temp_dir + "01")
        res = NX.compute()
        self.assertTrue(np.allclose(original, res))

    def test_write_02(self):
        original = np.array([[1, 2, 3, 4, 5]])
        X = self.sds.from_numpy(original)
        X.write(self.temp_dir + "02").compute()
        NX = self.sds.read(self.temp_dir + "02")
        res = NX.compute()
        self.assertTrue(np.allclose(original, res))


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