from werkzeug.routing import RequestRedirect, MethodNotAllowed, NotFound

to_test = (
    ('/user/1', 'GET', {}),
    ('/post/my-title/edit', 'POST', {}),
    ('/comments', 'GET', {'spam': 1}),
)
good = []
adapter = app.create_url_adapter(None)

if adapter is None:
    raise Exception('configure a SERVER_NAME for the app')

for path, method, args in to_test:
    try:
        adapter.match(path, method, query_args=args)
    except RequestRedirect:
        pass
    except (MethodNotAllowed, NotFound):
        continue

    good.append((path, method, args))

# good list now contains all tuples that didn't 404 or 405