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Added Source/Flow Setup operator (#6788)
Co-authored-by: Aaron Stannard <aaron@petabridge.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| //----------------------------------------------------------------------- | ||
| // <copyright file="SeqSinkSpec.cs" company="Akka.NET Project"> | ||
| // Copyright (C) 2009-2023 Lightbend Inc. <http://www.lightbend.com> | ||
| // Copyright (C) 2013-2023 .NET Foundation <https://github.com/akkadotnet/akka.net> | ||
| // </copyright> | ||
| //----------------------------------------------------------------------- | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using Akka.Streams.Dsl; | ||
| using Akka.TestKit; | ||
| using FluentAssertions; | ||
| using Xunit; | ||
| using Xunit.Abstractions; | ||
|
|
||
| namespace Akka.Streams.Tests.Dsl | ||
| { | ||
| public class SetupSpec : AkkaSpec | ||
| { | ||
| private ActorMaterializer Materializer { get; } | ||
|
|
||
| public SetupSpec(ITestOutputHelper helper) | ||
| : base(helper) => Materializer = ActorMaterializer.Create(Sys); | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_expose_materializer() | ||
| { | ||
| var source = Source.Setup((mat, _) => Source.Single(mat.IsShutdown)); | ||
| source.RunWith(Sink.First<bool>(), Materializer).Result.Should().BeFalse(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_expose_attributes() | ||
| { | ||
| var source = Source.Setup((_, attr) => Source.Single(attr.AttributeList)); | ||
| source.RunWith(Sink.First<IEnumerable<Attributes.IAttribute>>(), Materializer).Result.Should().NotBeEmpty(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_propagate_materialized_value() | ||
| { | ||
| var source = Source.Setup((_, _) => Source.Maybe<NotUsed>()); | ||
|
|
||
| var (completion, element) = source.ToMaterialized(Sink.First<NotUsed>(), Keep.Both).Run(Materializer); | ||
| completion.Result.TrySetResult(NotUsed.Instance); | ||
| element.Result.ShouldBe(NotUsed.Instance); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_propagate_attributes() | ||
| { | ||
| var source = Source.Setup((_, attr) => Source.Single(attr.GetNameLifted)).Named("my-name"); | ||
| source.RunWith(Sink.First<Func<string>>(), Materializer).Result.Invoke().ShouldBe("setup-my-name"); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_propagate_attributes_when_nested() | ||
| { | ||
| var source = Source.Setup((_, _) => Source.Setup((_, attr) => Source.Single(attr.GetNameLifted))).Named("my-name"); | ||
| source.RunWith(Sink.First<Func<string>>(), Materializer).Result.Invoke().ShouldBe("setup-my-name-setup"); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_handle_factory_failure() | ||
| { | ||
| var error = new ApplicationException("boom"); | ||
| var source = Source.Setup<NotUsed, NotUsed>((_, _) => throw error); | ||
|
|
||
| var (materialized, completion) = source.ToMaterialized(Sink.First<NotUsed>(), Keep.Both).Run(Materializer); | ||
|
|
||
| Assert.Throws<AggregateException>(() => materialized.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| Assert.Throws<AggregateException>(() => completion.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SourceSetup_should_handle_materialization_failure() | ||
| { | ||
| var error = new ApplicationException("boom"); | ||
| var source = Source.Setup((_, _) => Source.Empty<NotUsed>().MapMaterializedValue<NotUsed>(_ => throw error)); | ||
|
|
||
| var (materialized, completion) = source.ToMaterialized(Sink.First<NotUsed>(), Keep.Both).Run(Materializer); | ||
|
|
||
| Assert.Throws<AggregateException>(() => materialized.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| Assert.Throws<AggregateException>(() => completion.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_expose_materializer() | ||
| { | ||
| var flow = Flow.Setup((mat, _) => Flow.FromSinkAndSource( | ||
| Sink.Ignore<object>().MapMaterializedValue(_ => NotUsed.Instance), | ||
| Source.Single(mat.IsShutdown))); | ||
|
|
||
| Source.Empty<object>().Via(flow).RunWith(Sink.First<bool>(), Materializer).Result.Should().BeFalse(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_expose_attributes() | ||
| { | ||
| var flow = Flow.Setup((_, attr) => Flow.FromSinkAndSource( | ||
| Sink.Ignore<object>().MapMaterializedValue(_ => NotUsed.Instance), | ||
| Source.Single(attr.AttributeList))); | ||
|
|
||
| Source.Empty<object>().Via(flow).RunWith(Sink.First<IEnumerable<Attributes.IAttribute>>(), Materializer).Result.Should().NotBeEmpty(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_propagate_materialized_value() | ||
| { | ||
| var flow = Flow.Setup((_, _) => Flow.FromSinkAndSource( | ||
| Sink.Ignore<object>().MapMaterializedValue(_ => NotUsed.Instance), | ||
| Source.Maybe<NotUsed>(), Keep.Right)); | ||
|
|
||
| var (completion, element) = Source.Empty<object>() | ||
| .ViaMaterialized(flow, Keep.Right) | ||
| .ToMaterialized(Sink.First<NotUsed>(), Keep.Both).Run(Materializer); | ||
|
|
||
| completion.Result.TrySetResult(NotUsed.Instance); | ||
| element.Result.ShouldBe(NotUsed.Instance); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_propagate_attributes() | ||
| { | ||
| var flow = Flow.Setup((_, attr) => Flow.FromSinkAndSource( | ||
| Sink.Ignore<object>().MapMaterializedValue(_ => NotUsed.Instance), | ||
| Source.Single(attr.GetNameLifted))).Named("my-name"); | ||
|
|
||
| Source.Empty<object>().Via(flow).RunWith(Sink.First<Func<string>>(), Materializer).Result.Invoke().ShouldBe("setup-my-name"); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_propagate_attributes_when_nested() | ||
| { | ||
| var flow = Flow.Setup((_, _) => Flow.Setup((_, attr) => Flow.FromSinkAndSource( | ||
| Sink.Ignore<object>().MapMaterializedValue(_ => NotUsed.Instance), | ||
| Source.Single(attr.GetNameLifted)))).Named("my-name"); | ||
|
|
||
| Source.Empty<object>().Via(flow).RunWith(Sink.First<Func<string>>(), Materializer).Result.Invoke().ShouldBe("setup-my-name-setup"); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_handle_factory_failure() | ||
| { | ||
| var error = new ApplicationException("boom"); | ||
| var flow = Flow.Setup<NotUsed, NotUsed, NotUsed>((_, _) => throw error); | ||
|
|
||
| var (materialized, completion) = Source.Empty<NotUsed>() | ||
| .ViaMaterialized(flow, Keep.Right) | ||
| .ToMaterialized(Sink.First<NotUsed>(), Keep.Both) | ||
| .Run(Materializer); | ||
|
|
||
| Assert.Throws<AggregateException>(() => materialized.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| Assert.Throws<AggregateException>(() => completion.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void FlowSetup_should_handle_materialization_failure() | ||
| { | ||
| var error = new ApplicationException("boom"); | ||
| var flow = Flow.Setup((_, _) => Flow.Create<NotUsed>().MapMaterializedValue<NotUsed>(_ => throw error)); | ||
|
|
||
| var (materialized, completion) = Source.Empty<NotUsed>() | ||
| .ViaMaterialized(flow, Keep.Right) | ||
| .ToMaterialized(Sink.First<NotUsed>(), Keep.Both) | ||
| .Run(Materializer); | ||
|
|
||
| Assert.Throws<AggregateException>(() => materialized.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| Assert.Throws<AggregateException>(() => completion.Result).InnerException?.Should().BeOfType<ApplicationException>(); | ||
| } | ||
| } | ||
| } |
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