Event loop about lemur HOT 8 OPEN

Is there even any really technical descriptions of how the thread scheduler works on Roblox? There's a vague wiki article about it, but it doesn't get too technical.

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Wait, new question, what's the benefit of having an event loop? Don't we just want a way for Roblox scripts to be run under test suites? What do an event loop contribute to test suite?

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I want to test things that are asynchronous!

Notably, I wanted to test:

• A promise library for Roblox
• Rodux's async change dispatching (right now the tests explicitly flush!)
• React's async rendering

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Alright, that makes sense.

I'm pretty unfamiliar with testing suites, what happens in the case of an infinite loop? Do they have a max time limit they're willing to test for, and if you go beyond that, it fails?

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Usually you can set a global timeout as well as a local timeout for each test for cases where you really need to adjust things.

TestEZ will probably have a very low default timeout (~100ms) to make sure your test suite wraps up, and to prevent testing things like HTTP requests without thinking.

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I'm taking a crack at this right now, but a very minor problem occurred to me. When testing wait, how long is an acceptable amount of time? The higher the number the more accurate the result is, but the longer tests will take to run.

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Ideally, wait doesn't actually actually wait, it just sets a resumption priority for that thread. Since Lemur is focusing on CI systems, actually waiting isn't usually useful.

I think this might be a pretty big refactor (coroutines everywhere!), so it might be something I want to tackle.

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Sounds good.

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