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Merged
merged 10 commits into from
Apr 25, 2023
Merged

[14-74]FlowIdleInjectSpec #6558

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1fbe0e0
[14-74]`FlowIdleInjectSpec`
eaba Mar 23, 2023
69e9cd7
Changes to `async` TestKit
eaba Apr 4, 2023
097e925
Merge branch 'dev' into FlowIdleInjectSpec
eaba Apr 4, 2023
87f02c4
Changes to `async` TestKit
eaba Apr 4, 2023
54343cc
Revert "Changes to `async` TestKit"
eaba Apr 4, 2023
bf33830
Merge branch 'dev' into FlowIdleInjectSpec
eaba Apr 4, 2023
43f6eaf
Merge branch 'dev' into FlowIdleInjectSpec
eaba Apr 4, 2023
135dbb9
Merge branch 'dev' into FlowIdleInjectSpec
eaba Apr 7, 2023
6d8839f
Merge branch 'dev' into FlowIdleInjectSpec
eaba Apr 10, 2023
eef101c
Merge branch 'dev' into FlowIdleInjectSpec
Aaronontheweb Apr 25, 2023
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132 changes: 65 additions & 67 deletions src/core/Akka.Streams.Tests/Dsl/FlowIdleInjectSpec.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Akka.Streams.Dsl;
using Akka.Streams.TestKit;
using Akka.TestKit;
Expand All @@ -31,43 +32,40 @@ public FlowIdleInjectSpec(ITestOutputHelper helper) : base(helper)
}

[Fact]
public void KeepAlive_must_not_emit_additional_elements_if_upstream_is_fastEnough()
public async Task KeepAlive_must_not_emit_additional_elements_if_upstream_is_fastEnough()
{
this.AssertAllStagesStopped(() =>
{
var result = Source.From(Enumerable.Range(1, 10))
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.Grouped(1000)
.RunWith(Sink.First<IEnumerable<int>>(), Materializer);

await this.AssertAllStagesStoppedAsync(() => {
var result = Source.From(Enumerable.Range(1, 10))
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.Grouped(1000)
.RunWith(Sink.First<IEnumerable<int>>(), Materializer);
result.Wait(TimeSpan.FromSeconds(3)).Should().BeTrue();
result.Result.Should().BeEquivalentTo(Enumerable.Range(1, 10));
return Task.CompletedTask;
}, Materializer);
}

[LocalFact(SkipLocal = "Racy on Azure DevOps")]
public void KeepAlive_must_emit_elements_periodically_after_silent_periods()
public async Task KeepAlive_must_emit_elements_periodically_after_silent_periods()
{
this.AssertAllStagesStopped(() =>
{
var sourceWithIdleGap = Source.Combine(Source.From(Enumerable.Range(1, 5)),
Source.From(Enumerable.Range(6, 5)).InitialDelay(TimeSpan.FromSeconds(2)),
await this.AssertAllStagesStoppedAsync(() => {
var sourceWithIdleGap = Source.Combine(Source.From(Enumerable.Range(1, 5)),
Source.From(Enumerable.Range(6, 5)).InitialDelay(TimeSpan.FromSeconds(2)),
i => new Merge<int, int>(i));


var result = sourceWithIdleGap
.KeepAlive(TimeSpan.FromSeconds(0.6), () => 0)
.Grouped(1000)
.RunWith(Sink.First<IEnumerable<int>>(), Materializer);

result.Wait(TimeSpan.FromSeconds(3)).Should().BeTrue();
result.Result.Should().BeEquivalentTo(
Enumerable.Range(1, 5).Concat(new[] {0, 0, 0}).Concat(Enumerable.Range(6, 5)));
Enumerable.Range(1, 5).Concat(new[] { 0, 0, 0 }).Concat(Enumerable.Range(6, 5)));
return Task.CompletedTask;
}, Materializer);
}

[Fact]
public void KeepAlive_must_immediately_pull_upstream()
public async Task KeepAlive_must_immediately_pull_upstream()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -76,17 +74,17 @@ public void KeepAlive_must_immediately_pull_upstream()
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.Request(1);
await downstream.RequestAsync(1);

upstream.SendNext(1);
downstream.ExpectNext(1);
await upstream.SendNextAsync(1);
await downstream.ExpectNextAsync(1);

upstream.SendComplete();
downstream.ExpectComplete();
await upstream.SendCompleteAsync();
await downstream.ExpectCompleteAsync();
}

[Fact]
public void KeepAlive_must_immediately_pull_upstream_after_busy_period()
public async Task KeepAlive_must_immediately_pull_upstream_after_busy_period()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -96,20 +94,20 @@ public void KeepAlive_must_immediately_pull_upstream_after_busy_period()
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.Request(10);
await downstream.RequestAsync(10);
downstream.ExpectNextN(10).Should().BeEquivalentTo(Enumerable.Range(1, 10));

downstream.Request(1);
await downstream.RequestAsync(1);

upstream.SendNext(1);
downstream.ExpectNext(1);
await upstream.SendNextAsync(1);
await downstream.ExpectNextAsync(1);

upstream.SendComplete();
downstream.ExpectComplete();
await upstream.SendCompleteAsync();
await downstream.ExpectCompleteAsync();
}

[Fact]
public void KeepAlive_must_work_if_timer_fires_before_initial_request()
public async Task KeepAlive_must_work_if_timer_fires_before_initial_request()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -118,17 +116,17 @@ public void KeepAlive_must_work_if_timer_fires_before_initial_request()
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.EnsureSubscription();
downstream.ExpectNoMsg(TimeSpan.FromSeconds(1.5));
downstream.Request(1);
downstream.ExpectNext(0);
await downstream.EnsureSubscriptionAsync();
await downstream.ExpectNoMsgAsync(TimeSpan.FromSeconds(1.5));
await downstream.RequestAsync(1);
await downstream.ExpectNextAsync(0);

upstream.SendComplete();
downstream.ExpectComplete();
await upstream.SendCompleteAsync();
await downstream.ExpectCompleteAsync();
}

[Fact]
public void KeepAlive_must_work_if_timer_fires_before_initial_request_after_busy_period()
public async Task KeepAlive_must_work_if_timer_fires_before_initial_request_after_busy_period()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -138,19 +136,19 @@ public void KeepAlive_must_work_if_timer_fires_before_initial_request_after_busy
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.Request(10);
await downstream.RequestAsync(10);
downstream.ExpectNextN(Enumerable.Range(1, 10));

downstream.ExpectNoMsg(TimeSpan.FromSeconds(1.5));
downstream.Request(1);
downstream.ExpectNext(0);
await downstream.ExpectNoMsgAsync(TimeSpan.FromSeconds(1.5));
await downstream.RequestAsync(1);
await downstream.ExpectNextAsync(0);

upstream.SendComplete();
downstream.ExpectComplete();
await upstream.SendCompleteAsync();
await downstream.ExpectCompleteAsync();
}

[Fact]
public void KeepAlive_must_prefer_upstream_element_over_injected()
public async Task KeepAlive_must_prefer_upstream_element_over_injected()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -159,20 +157,20 @@ public void KeepAlive_must_prefer_upstream_element_over_injected()
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.EnsureSubscription();
downstream.ExpectNoMsg(TimeSpan.FromSeconds(1.5));
upstream.SendNext(1);
downstream.ExpectNoMsg(TimeSpan.FromSeconds(0.5));
await downstream.EnsureSubscriptionAsync();
await downstream.ExpectNoMsgAsync(TimeSpan.FromSeconds(1.5));
await upstream.SendNextAsync(1);
await downstream.ExpectNoMsgAsync(TimeSpan.FromSeconds(0.5));

downstream.Request(1);
downstream.ExpectNext(1);
await downstream.RequestAsync(1);
await downstream.ExpectNextAsync(1);

upstream.SendComplete();
downstream.ExpectComplete();
await upstream.SendCompleteAsync();
await downstream.ExpectCompleteAsync();
}

[Fact]
public void KeepAlive_must_prefer_upstream_element_over_injected_after_busy_period()
public async Task KeepAlive_must_prefer_upstream_element_over_injected_after_busy_period()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -182,22 +180,22 @@ public void KeepAlive_must_prefer_upstream_element_over_injected_after_busy_peri
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.Request(10);
await downstream.RequestAsync(10);
downstream.ExpectNextN(Enumerable.Range(1, 10));

downstream.ExpectNoMsg(TimeSpan.FromSeconds(1.5));
upstream.SendNext(1);
downstream.ExpectNoMsg(TimeSpan.FromSeconds(0.5));
await downstream.ExpectNoMsgAsync(TimeSpan.FromSeconds(1.5));
await upstream.SendNextAsync(1);
await downstream.ExpectNoMsgAsync(TimeSpan.FromSeconds(0.5));

downstream.Request(1);
downstream.ExpectNext(1);
await downstream.RequestAsync(1);
await downstream.ExpectNextAsync(1);

upstream.SendComplete();
downstream.ExpectComplete();
await upstream.SendCompleteAsync();
await downstream.ExpectCompleteAsync();
}

[Fact]
public void KeepAlive_must_reset_deadline_properly_after_injected_element()
public async Task KeepAlive_must_reset_deadline_properly_after_injected_element()
{
var upstream = this.CreatePublisherProbe<int>();
var downstream = this.CreateSubscriberProbe<int>();
Expand All @@ -206,12 +204,12 @@ public void KeepAlive_must_reset_deadline_properly_after_injected_element()
.KeepAlive(TimeSpan.FromSeconds(1), () => 0)
.RunWith(Sink.FromSubscriber(downstream), Materializer);

downstream.Request(2);
downstream.ExpectNoMsg(TimeSpan.FromMilliseconds(500));
downstream.ExpectNext(0);
await downstream.RequestAsync(2);
await downstream.ExpectNoMsgAsync(TimeSpan.FromMilliseconds(500));
await downstream.ExpectNextAsync(0);

downstream.ExpectNoMsg(TimeSpan.FromMilliseconds(500));
downstream.ExpectNext(0);
await downstream.ExpectNoMsgAsync(TimeSpan.FromMilliseconds(500));
await downstream.ExpectNextAsync(0);
}
}
}