def test_realize_path():
assert "/baz" == ConfigManager.realize_path("/foo/../bar/../baz")
os.path.abspath = Mock(return_value="/baz")
assert "/baz" == ConfigManager.realize_path("../baz")
os.path.expanduser = Mock(return_value="/home/foobar")
assert "/home/foobar" == ConfigManager.realize_path("~foobar/")
