Selenium: How to wait for options in a select to be populated?

Question

I am using Selenium for the first time and am overwhelmed by the options. I am using the IDE in Firefox.

When my page loads, it subsequently fetches values via an JS

Answer 1

Using java 8 Awaitility

Awaitility.await()
.atMost(5, TimeUnit.SECONDS)
.until(() -> select.getOptions().size() > 0);