Throw unconsumed events if the scope is cancelled #248
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Antimonit
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jingibus
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Jun 26, 2023
| @@ -211,6 +211,7 @@ internal class ChannelTurbine<T>( | |||
| var cause: Throwable? = null | |||
| while (true) { | |||
| val event = channel.takeEventUnsafe() ?: break | |||
| if (event is Event.Error && event.throwable is CancellationException) break | |||
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I really like the idea of just eating these at the source. I had dealt with CancellationException in an ad-hoc manner when implementing turbineScope, and this is much cleaner
| @@ -195,7 +195,8 @@ private fun <T> testInInternal(flow: Flow<T>, timeout: Duration?, scope: Corouti | |||
| if (debug) println("Scope ending ${exception ?: ""}") | |||
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| // Only validate events were consumed if the scope is exiting normally. | |||
| if (exception == null) { | |||
| // CancellationException also indicates _normal_ cancellation of a coroutine. | |||
| if (exception == null || exception is CancellationException) { | |||
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I think we can actually get rid of this whole invokeOnCompletion; turbineScope now has the code to run this validation, so we don't need it here. I'm kinda surprised it works, actually
Does not need to be changed before merge, I'll clean it up in a followup PR
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This potentially fixes #247.