projektAI/venv/Lib/site-packages/pandas/tests/util/test_safe_import.py

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2021-06-06 22:13:05 +02:00
import sys
import types
import pytest
import pandas.util._test_decorators as td
@pytest.mark.parametrize("name", ["foo", "hello123"])
def test_safe_import_non_existent(name):
assert not td.safe_import(name)
def test_safe_import_exists():
assert td.safe_import("pandas")
@pytest.mark.parametrize("min_version,valid", [("0.0.0", True), ("99.99.99", False)])
def test_safe_import_versions(min_version, valid):
result = td.safe_import("pandas", min_version=min_version)
result = result if valid else not result
assert result
@pytest.mark.parametrize(
"min_version,valid", [(None, False), ("1.0", True), ("2.0", False)]
)
def test_safe_import_dummy(monkeypatch, min_version, valid):
mod_name = "hello123"
mod = types.ModuleType(mod_name)
mod.__version__ = "1.5"
if min_version is not None:
monkeypatch.setitem(sys.modules, mod_name, mod)
result = td.safe_import(mod_name, min_version=min_version)
result = result if valid else not result
assert result