tests/utils/test_lazy_import.py

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import importlib

import pytest

from pyiceberg.exceptions import NotInstalledError
from pyiceberg.utils.lazy_import import try_import


def test_try_import_returns_the_module() -> None:
    assert try_import("importlib") is importlib


def test_try_import_missing_module_with_extras() -> None:
    with pytest.raises(NotInstalledError, match=r'nonexistent needs to be installed. pip install "pyiceberg\[some-extra\]"'):
        try_import("nonexistent", extras_name="some-extra")


def test_try_import_missing_module_without_extras() -> None:
    with pytest.raises(NotInstalledError, match="nonexistent needs to be installed."):
        try_import("nonexistent")