test_config.py

import geopandas

import pytest


def test_options():
    assert "display_precision: " in repr(geopandas.options)

    assert dir(geopandas.options) == ["display_precision"]

    with pytest.raises(AttributeError):
        geopandas.options.non_existing_option

    with pytest.raises(AttributeError):
        geopandas.options.non_existing_option = 10


def test_options_display_precision():
    assert geopandas.options.display_precision is None
    geopandas.options.display_precision = 5
    assert geopandas.options.display_precision == 5

    with pytest.raises(ValueError):
        geopandas.options.display_precision = "abc"

    with pytest.raises(ValueError):
        geopandas.options.display_precision = -1

    geopandas.options.display_precision = None