from src.jcloud_docsgen._utils import ExistingDirectory
import pytest
import pathlib

@pytest.mark.parametrize('path,expected', [
    ('tests/unit/_utils/test_directory/', 'tests/unit/_utils/test_directory'),
    ('tests/unit/_utils/test_directory', 'tests/unit/_utils/test_directory'),
    ('tests/unit/_utils/', 'tests/unit/_utils'),
    ('tests/unit/_utils', 'tests/unit/_utils'),
    ('/', '/'),
    ('./', '.'),
    ('.', '.'),
    ('../', '..'),
    ('..', '..'),
])
def test_ExistingDirectory(path, expected):
    assert ExistingDirectory(path).as_posix() == expected

@pytest.mark.parametrize('path,expected_exception,expected_exception_message', [
    ('tests/unit/_utils/does_not_exist/', FileNotFoundError, '[Errno 2] no such file or directory: \'tests/unit/_utils/does_not_exist/\''),
    ('tests/unit/_utils/does_not_exist', FileNotFoundError, '[Errno 2] no such file or directory: \'tests/unit/_utils/does_not_exist\''),
    ('', FileNotFoundError, '[Errno 2] no such file or directory: \'\''),
    ('README.md', NotADirectoryError, '[Errno 20] not a directory: \'README.md\''),
])
def test_ExistingDirectory_exceptions(path, expected_exception, expected_exception_message):
    with pytest.raises(expected_exception) as exc_info:
        ExistingDirectory(path)
    assert str(exc_info.value) == expected_exception_message