On Thu, Mar 16, 2017 at 09:08:24PM -0400, Michael Layzell wrote:
Can we pass async functions everywhere where we use `add_task` in tests already? If we can't, is there a tracking bug for converting all of the test systems to support it?
Yes, add_task accepts any function which returns a promise, including async functions.
Can you `await` a function created with Task.async such as `BrowserTestUtils.withNewTab` during the transition period?
Yes, you can await on any object with a Promise-like `then` method.
How about in ESR52? Will uplifting tests to ESR52 be a painful experience due to having to use different tools to write the tests?
ESR52 supports async functions.
Can I pass an async function as the callback argument to things like ContentTask.spawn and BrowserTestUtils.withNewTab? How about on ESR52?
Yes, they stringify in a way that's compatible with ContentTask.spawn, and withNewTab doesn't care what kind of function you pass it, so long as it returns a promise or generator.
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