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

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import json
import os
import shutil
import sys
import unittest

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


class TestReplaceFrame(unittest.TestCase):

    sds: SystemDSContext = None
    HOMES_PATH = "../../test/resources/datasets/homes/homes.csv"
    HOMES_SCHEMA = '"int,string,int,int,double,int,boolean,int,int"'
    JSPEC_PATH = "../../test/resources/datasets/homes/homes.tfspec_bin2.json"

    @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_apply_recode_bin(self):

        F1 = self.sds.read(
            self.HOMES_PATH,
            data_type="frame",
            schema=self.HOMES_SCHEMA,
            format="csv",
            header=True,
        )
        ret = (
            F1.replace("north", "south")
            .replace("west", "south")
            .replace("east", "south")
            .compute()
        )
        self.assertTrue(any(ret.district == "south"))
        self.assertTrue(not (any(ret.district == "north")))


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