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ZIO Test: Scope Dependencies of Shared Service to Lifetime of Suite #7533

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Merged
merged 3 commits into from
Nov 18, 2022
Merged

ZIO Test: Scope Dependencies of Shared Service to Lifetime of Suite #7533

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cdafaee
scope dependencies of shared service to lifetime of suite
adamgfraser Nov 17, 2022
f147895
Merge branch 'series/2.x' of https://github.com/zio/zio into 7531
adamgfraser Nov 17, 2022
7db5183
fix flaky test
adamgfraser Nov 17, 2022
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4 changes: 2 additions & 2 deletions streams-tests/shared/src/test/scala/zio/stream/ZChannelSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ import zio._
import zio.stream.ZChannel.{ChildExecutorDecision, UpstreamPullRequest, UpstreamPullStrategy}
import zio.test._
import zio.test.Assertion._
import zio.test.TestAspect.timeout
import zio.test.TestAspect.{jvmOnly, timeout}

object ZChannelSpec extends ZIOBaseSpec {
import ZIOTag._
Expand Down Expand Up @@ -802,7 +802,7 @@ object ZChannelSpec extends ZIOBaseSpec {
.repeatN(100000)
value <- ref.get
} yield assertTrue(value == 0)
},
} @@ jvmOnly,
test("scoped closes the scope") {
for {
ref <- Ref.make(0)
Expand Down
28 changes: 28 additions & 0 deletions test-tests/shared/src/test/scala/zio/test/SpecSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,34 @@ object SpecSpec extends ZIOBaseSpec {
)
).provideLayerShared(ZLayer.scoped[Any](ZIO.acquireRelease(Ref.make(0))(_.set(-1))))
assertZIO(succeeded(spec))(isTrue)
},
test("dependencies of shared service are scoped to lifetime of suite") {
trait Service {
def open: UIO[Boolean]
}
object Service {
val open: ZIO[Service, Nothing, Boolean] =
ZIO.serviceWithZIO(_.open)
}
val layer =
ZLayer {
for {
ref <- Ref.make(true)
_ <- ZIO.addFinalizer(ref.set(false))
} yield new Service {
def open: UIO[Boolean] =
ref.get
}
}
val spec = suite("suite")(
test("test1") {
assertZIO(Service.open)(isTrue)
},
test("test2") {
assertZIO(Service.open)(isTrue)
}
).provideSomeLayerShared[Scope](layer).provideLayer(Scope.default) @@ sequential
assertZIO(succeeded(spec))(isTrue)
}
),
suite("iterable constructor") {
Expand Down
25 changes: 12 additions & 13 deletions test/shared/src/main/scala/zio/test/Spec.scala
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Expand Up @@ -335,16 +335,14 @@ final case class Spec[-R, +E](caseValue: SpecCase[R, E, Spec[R, E]]) extends Spe
case LabeledCase(label, spec) => Spec.labeled(label, spec.provideLayerShared(layer))
case ScopedCase(scoped) =>
Spec.scoped[R0](
layer.memoize
.flatMap(layer =>
scoped
.map(_.provideLayer(layer))
.provideLayer(layer.mapError(TestFailure.fail) ++ ZLayer.environment[Scope])
)
layer
.mapError(TestFailure.fail)
.build
.flatMap(r => scoped.map(_.provideEnvironment(r)).provideSomeEnvironment[Scope](r.union[Scope]))
)
case MultipleCase(specs) =>
Spec.scoped[R0](
layer.memoize.map(layer => Spec.multiple(specs.map(_.provideLayer(layer))))
layer.mapError(TestFailure.fail).build.map(r => Spec.multiple(specs.map(_.provideEnvironment(r))))
)
case TestCase(test, annotations) => Spec.test(test.provideLayer(layer.mapError(TestFailure.fail)), annotations)
}
Expand Down Expand Up @@ -525,17 +523,18 @@ object Spec {
case LabeledCase(label, spec) => Spec.labeled(label, spec.provideSomeLayerShared(layer))
case ScopedCase(scoped) =>
Spec.scoped[R0](
layer.memoize.flatMap { layer =>
layer.mapError(TestFailure.fail).build.flatMap { r =>
scoped
.map(_.provideSomeLayer[R0](layer))
.asInstanceOf[ZIO[R0 with R1 with Scope, TestFailure[E], Spec[R0, E1]]]
.provideLayer(ZLayer.environment[R0 with Scope] ++ layer.mapError(TestFailure.fail))
.map(_.provideSomeLayer[R0](ZLayer.succeedEnvironment(r)))
.provideSomeEnvironment[R0 with Scope](in => in.union[R1](r).asInstanceOf[ZEnvironment[R with Scope]])
}
)
case MultipleCase(specs) =>
Spec.scoped[R0](
layer.memoize
.map(layer => Spec.multiple(specs.map(_.provideSomeLayer(layer))))
layer
.mapError(TestFailure.fail)
.build
.map(r => Spec.multiple(specs.map(_.provideSomeLayer[R0](ZLayer.succeedEnvironment(r)))))
)
case TestCase(test, annotations) =>
Spec.test(test.provideSomeLayer(layer.mapError(TestFailure.fail)), annotations)
Expand Down