venv/lib/python3.11/site-packages/pandas/tests/frame/test_validate.py

import pytest

from pandas.core.frame import DataFrame


@pytest.fixture
def dataframe():
    return DataFrame({"a": [1, 2], "b": [3, 4]})


class TestDataFrameValidate:
    """Tests for error handling related to data types of method arguments."""

    @pytest.mark.parametrize(
        "func",
        [
            "query",
            "eval",
            "set_index",
            "reset_index",
            "dropna",
            "drop_duplicates",
            "sort_values",
        ],
    )
    @pytest.mark.parametrize("inplace", [1, "True", [1, 2, 3], 5.0])
    def test_validate_bool_args(self, dataframe, func, inplace):
        msg = 'For argument "inplace" expected type bool'
        kwargs = {"inplace": inplace}

        if func == "query":
            kwargs["expr"] = "a > b"
        elif func == "eval":
            kwargs["expr"] = "a + b"
        elif func == "set_index":
            kwargs["keys"] = ["a"]
        elif func == "sort_values":
            kwargs["by"] = ["a"]

        with pytest.raises(ValueError, match=msg):
            getattr(dataframe, func)(**kwargs)