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[49-74] GraphWireTapSpec #6596

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Merged
merged 5 commits into from
Apr 4, 2023
Merged

[49-74] GraphWireTapSpec #6596

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6a9c78c
[49-74] `GraphWireTapSpec`
eaba Mar 25, 2023
986d2be
Changes to `async` TestKit
eaba Mar 30, 2023
0618f53
Merge branch 'dev' into GraphWireTapSpec
eaba Mar 30, 2023
da6790c
Merge branch 'dev' into GraphWireTapSpec
eaba Mar 31, 2023
ef141a3
Merge branch 'dev' into GraphWireTapSpec
eaba Mar 31, 2023
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87 changes: 41 additions & 46 deletions src/core/Akka.Streams.Tests/Dsl/GraphWireTapSpec.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@

using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Akka.Streams.Dsl;
using Akka.Streams.TestKit;
using Akka.TestKit;
Expand All @@ -27,76 +28,70 @@ public GraphWireTapSpec(ITestOutputHelper helper)
}

[Fact]
public void A_WireTap_must_broadcast_to_the_tap()
public async Task A_WireTap_must_broadcast_to_the_tap()
{
this.AssertAllStagesStopped(() =>
{
var (tps, mps) = Source.From(Enumerable.Range(1, 2))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);
await this.AssertAllStagesStoppedAsync(async() => {
var (tps, mps) = Source.From(Enumerable.Range(1, 2))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);

tps.Request(2);
mps.RequestNext(1);
mps.RequestNext(2);
tps.ExpectNext( 1, 2);
mps.ExpectComplete();
tps.ExpectComplete();
await mps.RequestNextAsync(1);
await mps.RequestNextAsync(2);
tps.ExpectNext(1, 2);
await mps.ExpectCompleteAsync();
await tps.ExpectCompleteAsync();
}, Materializer);
}

[Fact]
public void A_WireTap_must_drop_elements_while_the_tap_has_no_demand_buffering_up_to_one_element()
public async Task A_WireTap_must_drop_elements_while_the_tap_has_no_demand_buffering_up_to_one_element()
{
this.AssertAllStagesStopped(() =>
{
var (tps, mps) = Source.From(Enumerable.Range(1, 6))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);

await this.AssertAllStagesStoppedAsync(async() => {
var (tps, mps) = Source.From(Enumerable.Range(1, 6))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);
mps.Request(3);
mps.ExpectNext( 1, 2, 3);
mps.ExpectNext(1, 2, 3);
tps.Request(4);
mps.RequestNext(4);
mps.RequestNext(5);
mps.RequestNext(6);
tps.ExpectNext( 3, 4, 5, 6);
mps.ExpectComplete();
tps.ExpectComplete();
await mps.RequestNextAsync(4);
await mps.RequestNextAsync(5);
await mps.RequestNextAsync(6);
tps.ExpectNext(3, 4, 5, 6);
await mps.ExpectCompleteAsync();
await tps.ExpectCompleteAsync();
}, Materializer);
}

[Fact]
public void A_WireTap_must_cancel_if_main_sink_cancels()
public async Task A_WireTap_must_cancel_if_main_sink_cancels()
{
this.AssertAllStagesStopped(() =>
{
var (tps, mps) = Source.From(Enumerable.Range(1, 6))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);

await this.AssertAllStagesStoppedAsync(async() => {
var (tps, mps) = Source.From(Enumerable.Range(1, 6))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);

tps.Request(6);
mps.Cancel();
tps.ExpectComplete();
await tps.ExpectCompleteAsync();
}, Materializer);
}

[Fact]
public void A_WireTap_must_continue_if_tap_sink_cancels()
public async Task A_WireTap_must_continue_if_tap_sink_cancels()
{
this.AssertAllStagesStopped(() =>
{
var (tps, mps) = Source.From(Enumerable.Range(1, 6))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);

await this.AssertAllStagesStoppedAsync(async() => {
var (tps, mps) = Source.From(Enumerable.Range(1, 6))
.WireTapMaterialized(this.SinkProbe<int>(), Keep.Right)
.ToMaterialized(this.SinkProbe<int>(), Keep.Both)
.Run(Materializer);
tps.Cancel();
mps.Request(6);
mps.ExpectNext( 1, 2, 3, 4, 5, 6);
mps.ExpectComplete();
mps.ExpectNext(1, 2, 3, 4, 5, 6);
await mps.ExpectCompleteAsync();
}, Materializer);
}
}
Expand Down