src/main/python/tests/basics/test_context_stats.py

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import unittest

import numpy as np
from systemds.context import SystemDSContext

np.random.seed(1412)


class TestContextCreation(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 getM(self):
        m1 = np.array(np.random.randint(10, size=5 * 5), dtype=np.int64)
        m1.shape = (5, 5)
        return m1

    def test_stats_v1(self):
        a = self.sds.from_numpy(self.getM())
        a = a + 1
        a = a * 4
        a = a + 3
        a = a / 23

        self.sds.capture_stats()
        a.compute()
        self.sds.capture_stats(False)

        stats = self.sds.get_stats()
        self.sds.clear_stats()
        instructions = "\n".join(
            stats.split("Heavy hitter instructions:")[1].split("\n")[2:]
        )
        assert "+" in instructions and "*" in instructions and "/" in instructions


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