python/datafusion/tests/test_config.py

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from datafusion import Config
import pytest


@pytest.fixture
def config():
    return Config()


def test_get_then_set(config):
    config_key = "datafusion.optimizer.filter_null_join_keys"

    assert config.get(config_key) == "false"

    config.set(config_key, "true")
    assert config.get(config_key) == "true"


def test_get_all(config):
    config_dict = config.get_all()
    assert config_dict["datafusion.catalog.create_default_catalog_and_schema"] == "true"


def test_get_invalid_config(config):
    assert config.get("not.valid.key") is None