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

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import json
import os
import random
import shutil
import sys
import unittest

import numpy as np
import pandas as pd
from systemds.context import SystemDSContext

np.random.seed(7)
shape = (25, 25)


class TestReplaceMatrix(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 tearDown(self):
        pass

    def test_replace_01(self):
        m = (
            self.sds.rand(min=0, max=2, rows=shape[0], cols=shape[1], seed=14)
            .round()
            .replace(1, 2)
            .compute()
        )
        self.assertTrue(1 not in m)
        self.assertTrue(2 in m)
        self.assertTrue(0 in m)


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