import os

from ..tempdir import NamedFileInTemporaryDirectory
from ..tempdir import TemporaryWorkingDirectory


def test_named_file_in_temporary_directory():
    with NamedFileInTemporaryDirectory('filename') as file:
        name = file.name
        assert not file.closed
        assert os.path.exists(name)
        file.write(b'test')
    assert file.closed
    assert not os.path.exists(name)

def test_temporary_working_directory():
    with TemporaryWorkingDirectory() as dir:
        assert os.path.exists(dir)
        assert os.path.realpath(os.curdir) == os.path.realpath(dir)
    assert not os.path.exists(dir)
    assert os.path.abspath(os.curdir) != dir