Function wait_for_function

blackbox/test_docs.py:166–181

(signature)

def wait_for_function(signature):
    with connect(crate.http_url) as conn:
        c = conn.cursor()
        wait = 0.0

        while True:
            try:
                c.execute('SELECT ' + signature)
            except Exception as e:
                wait += 0.1
                if wait >= 2.0:
                    raise e
                else:
                    time.sleep(0.1)
            else:
                break