[lang-ref] ( normalize_path ) ( python )

def test_normalize_path():
    # os.path.normpath()
    assert os.path.normpath('/path//to/file1.txt')   == '/path/to/file1.txt'
    assert os.path.normpath('/path/to//file1.txt')   == '/path/to/file1.txt'
    assert os.path.normpath('/path/to/./file1.txt')  == '/path/to/file1.txt'
    assert os.path.normpath('/path/to/../file1.txt') == '/path/file1.txt'

def test_normalize_path_alternative():
    # pathlib.Path (+ resolve for "..")

    assert Path('/path//to/file1.txt').as_posix()  == '/path/to/file1.txt'
    assert Path('/path/to//file1.txt').as_posix()  == '/path/to/file1.txt'
    assert Path('/path/to/./file1.txt').as_posix() == '/path/to/file1.txt'

    # resolve(strict=False) collapses ".." (and makes it absolute)
    assert Path('/path/to/../file1.txt').resolve(strict=False).as_posix() == '/path/file1.txt'