Should we have ` test fail fast` in V2 We have ` test pytest

Question

Should we have ` test fail fast` in V2 We have ` test pytest fail fast` for example This would be a top level goal not per language

witty-crayon-22786 · Answer

probably

witty-crayon-22786 · Answer

to the top level part definitely top level if that s straightforward i m not sure that it is =

hundreds-father-404 · Answer

I think it is Pretty sure the logic would live in the `test coordinator` Notably the language backends only know how to work on one target at a time so the logic couldn t live in the language backends I don t think we have a way to cancel `await Get`s though

witty-crayon-22786 · Answer

more critically you don t have a way to return early

witty-crayon-22786 · Answer

the coordinator will block until they have all completed

witty-crayon-22786 · Answer

so the test runners would need to know to raise an exception to fail fast

witty-crayon-22786 · Answer

or mumble mumble changes to MultiGet to add something like <https docs rs futures preview 0 3 0 alpha 19 futures macro select html> but much larger change

hundreds-father-404 · Answer

Hm okay not an easy win then CC < hundreds breakfast 49010> I think Toolchain may want this feature in the medium term

witty-crayon-22786 · Answer

but this feels related to the coverage thing

witty-crayon-22786 · Answer

ie we agree it should be top level we just need to decide how that information is pushed down to runners