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CatsEffect.scala
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CatsEffect.scala
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/*
* Copyright 2020 Typelevel
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cats.effect.testing
package specs2
import cats.effect.{MonadCancel, Resource}
import cats.syntax.all._
import org.specs2.execute.AsResult
import org.specs2.specification.core.{AsExecution, Execution}
import scala.concurrent.duration._
trait CatsEffect {
protected val Timeout: Duration = 10.seconds
protected def finiteTimeout: Option[FiniteDuration] =
Some(Timeout) collect {
case fd: FiniteDuration => fd
}
implicit def effectAsExecution[F[_]: UnsafeRun, R](implicit R: AsResult[R]): AsExecution[F[R]] = new AsExecution[F[R]] {
def execute(t: => F[R]): Execution =
Execution
.withEnvAsync(_ => UnsafeRun[F].unsafeToFuture(t, finiteTimeout))
.copy(timeout = finiteTimeout)
}
implicit def resourceAsExecution[F[_]: UnsafeRun, R](implicit F: MonadCancel[F, Throwable], R: AsResult[R]): AsExecution[Resource[F, R]] = new AsExecution[Resource[F, R]] {
def execute(t: => Resource[F, R]): Execution =
effectAsExecution[F, R].execute(t.use(_.pure[F]))
}
}