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square / RxIdler

An IdlingResource for Espresso which wraps an RxJava Scheduler.
Apache License 2.0
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DelegatingIdlingResourceScheduler does not work with .delay() #9

Closed dimrsilva closed 6 years ago

dimrsilva commented 6 years ago

Using this library on my project I see that when using delay() rx operator, the idlingResource returns that it is idle. Looking at the unit tests I saw this was designed that way. These tests guarantee it: scheduleWithNonZeroDelayReportsIdle and schedulePeriodicallyWithNonZeroDelayReportsIdle

It is supposed to not work with delay() operator?

dimrsilva commented 6 years ago

I made a commit changing this behavior and I am using it on my project.

https://github.com/dimrsilva/RxIdler/commit/11558351500afeeb408a8beb25da6f5908849e0e

JakeWharton commented 6 years ago

Yes this is intentional. The scheduler is idle until the delayed time elapses at which point it's not idle. This specifically does not model the fact that any work is scheduled, as it would break infinite streams using operators like interval().