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distage-testkit: Run tests in parallel, add DIEffectAsync
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73 changes: 73 additions & 0 deletions
73
distage/distage-model/src/main/scala/izumi/distage/model/monadic/DIEffectAsync.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package izumi.distage.model.monadic | ||
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| import cats.Parallel | ||
| import cats.effect.Timer | ||
| import izumi.distage.model.monadic.LowPriorityDIEffectAsyncInstances.{_Parallel, _Timer} | ||
| import izumi.functional.bio.{BIOAsync, F} | ||
| import izumi.fundamentals.platform.functional.Identity | ||
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| import scala.concurrent.duration.FiniteDuration | ||
| import scala.concurrent.{ExecutionContext, Future} | ||
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| trait DIEffectAsync[F[_]] { | ||
| def parTraverse_[A](l: Iterable[A])(f: A => F[Unit]): F[Unit] | ||
| def sleep(duration: FiniteDuration): F[Unit] | ||
| } | ||
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| object DIEffectAsync extends LowPriorityDIEffectAsyncInstances { | ||
| def apply[F[_]: DIEffectAsync]: DIEffectAsync[F] = implicitly | ||
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| implicit val diEffectParIdentity: DIEffectAsync[Identity] = { | ||
| new DIEffectAsync[Identity] { | ||
| override def parTraverse_[A](l: Iterable[A])(f: A => Unit): Unit = { | ||
| l.foreach(a => Future(f(a))(ExecutionContext.global)) | ||
| } | ||
| override def sleep(duration: FiniteDuration): Identity[Unit] = { | ||
| Thread.sleep(duration.toMillis) | ||
| } | ||
| } | ||
| } | ||
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| implicit def fromBIOAsync[F[+_, +_]: BIOAsync]: DIEffectAsync[F[Throwable, ?]] = { | ||
| new DIEffectAsync[F[Throwable, ?]] { | ||
| override def parTraverse_[A](l: Iterable[A])(f: A => F[Throwable, Unit]): F[Throwable, Unit] = { | ||
| F.parTraverseN(100)(l)(f).void | ||
| } | ||
| override def sleep(duration: FiniteDuration): F[Throwable, Unit] = { | ||
| F.sleep(duration) | ||
| } | ||
| } | ||
| } | ||
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| } | ||
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| private[monadic] sealed trait LowPriorityDIEffectAsyncInstances { | ||
| /** | ||
| * This instance uses 'no more orphans' trick to provide an Optional instance | ||
| * only IFF you have cats-effect as a dependency without REQUIRING a cats-effect dependency. | ||
| * | ||
| * Optional instance via https://blog.7mind.io/no-more-orphans.html | ||
| */ | ||
| implicit final def fromParallelTimer[F[_], P[_[_]]: _Parallel, T[_[_]]: _Timer](implicit P: P[F], T: T[F]): DIEffectAsync[F] = { | ||
| new DIEffectAsync[F] { | ||
| override def parTraverse_[A](l: Iterable[A])(f: A => F[Unit]): F[Unit] = { | ||
| Parallel.parTraverse_(l.toList)(f)(cats.instances.list.catsStdInstancesForList, P.asInstanceOf[Parallel[F]]) | ||
| } | ||
| override def sleep(duration: FiniteDuration): F[Unit] = { | ||
| T.asInstanceOf[Timer[F]].sleep(duration) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private object LowPriorityDIEffectAsyncInstances { | ||
| sealed trait _Parallel[K[_[_]]] | ||
| object _Parallel { | ||
| @inline implicit final def get: _Parallel[cats.Parallel] = null | ||
| } | ||
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| sealed trait _Timer[K[_[_]]] | ||
| object _Timer { | ||
| @inline implicit final def get: _Timer[cats.effect.Timer] = null | ||
| } | ||
| } |
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40 changes: 38 additions & 2 deletions
40
distage/distage-model/src/main/scala/izumi/distage/monadic/modules/CatsDIEffectModule.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,46 @@ | ||
| package izumi.distage.monadic.modules | ||
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| import cats.effect.IO | ||
| import cats.effect.{Async, Bracket, Concurrent, ConcurrentEffect, ContextShift, Effect, ExitCode, IO, IOApp, Sync, Timer} | ||
| import cats.{Applicative, Functor, Monad, MonadError, Parallel} | ||
| import izumi.distage.model.definition.ModuleDef | ||
| import izumi.distage.model.monadic.{DIEffect, DIEffectRunner} | ||
| import izumi.distage.model.monadic.{DIEffect, DIEffectAsync, DIEffectRunner} | ||
| import izumi.distage.monadic.modules.CatsDIEffectModule.PublicIOApp | ||
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| trait CatsDIEffectModule extends ModuleDef { | ||
| addImplicit[DIEffectRunner[IO]] | ||
| addImplicit[DIEffect[IO]] | ||
| make[DIEffectAsync[IO]].from { | ||
| (P0: Parallel[IO], T0: Timer[IO]) => | ||
| implicit val P = P0 | ||
| implicit val T = T0 | ||
| DIEffectAsync[IO] | ||
| } | ||
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| addImplicit[Functor[IO]] | ||
| addImplicit[Applicative[IO]] | ||
| addImplicit[Monad[IO]] | ||
| addImplicit[MonadError[IO, Throwable]] | ||
| addImplicit[Bracket[IO, Throwable]] | ||
| addImplicit[Sync[IO]] | ||
| addImplicit[Async[IO]] | ||
| addImplicit[Effect[IO]] | ||
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| make[Parallel[IO]].from(IO.ioParallel(_: ContextShift[IO])) | ||
| bind[ConcurrentEffect[IO]](IO.ioConcurrentEffect(_: ContextShift[IO])) | ||
| .to[Concurrent[IO]] | ||
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| make[ContextShift[IO]].from((_: PublicIOApp).contextShift) | ||
| make[Timer[IO]].from((_: PublicIOApp).timer) | ||
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| make[PublicIOApp].from { | ||
| new PublicIOApp { override def run(args: List[String]): IO[ExitCode] = IO.pure(ExitCode(0)) } | ||
| } | ||
| } | ||
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| object CatsDIEffectModule { | ||
| // extract default ContextShift & Timer from IOApp | ||
| trait PublicIOApp extends IOApp { | ||
| override def contextShift: ContextShift[IO] = super.contextShift | ||
| override def timer: Timer[IO] = super.timer | ||
| } | ||
| } |
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