StateFlow with Room not updating immediately after...
# coroutinesd
David Corrado
10/18/2022, 9:45 PMStateFlow with Room not updating immediately after save. I assume this is me having a misunderstanding of coroutines. 🧵
David Corrado
10/18/2022, 9:47 PMhttps://github.com/DavidCorrado/DataIssue/blob/main/app/src/test/java/com/davidcorrado/data/RoomUnitTest.kt
First three tests work and last 2 do not. So room directly with a flow work. But when you combine room with Stateflow it no longer reflects saves immediately.
David Corrado
10/18/2022, 9:47 PMAny thoughts why?
l
louiscad
10/19/2022, 1:52 AMI think it waits until the update is actually committed to the db, which doesn't happen synchronously unless you're doing a blocking call.
g
gildor
10/19/2022, 5:18 AMRoom has own dispatcher under the hood it runs operation asynchronously, so it’s expected. You want to use something like turbine to test flow to avoid relying on single threaded code, which is hard and annoying to support
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