Extract Aspire.Hosting.Nats.Tests project #5002
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| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| using System.Text.Json.Serialization; | ||
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| namespace Aspire.Hosting.Nats.Tests; | ||
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| public record AppEvent(string Subject, string Name, string Description, decimal Priority); | ||
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| [JsonSerializable(typeof(AppEvent))] | ||
| [JsonSourceGenerationOptions(PropertyNameCaseInsensitive = true)] | ||
| public partial class AppJsonContext : JsonSerializerContext | ||
| { | ||
| } |
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>$(NetCurrent)</TargetFramework> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\..\src\Aspire.Hosting.AppHost\Aspire.Hosting.AppHost.csproj" /> | ||
| <ProjectReference Include="..\..\src\Components\Aspire.NATS.Net\Aspire.NATS.Net.csproj" /> | ||
| <ProjectReference Include="..\Aspire.Hosting.Tests\Aspire.Hosting.Tests.csproj" /> | ||
| <ProjectReference Include="..\..\src\Aspire.Hosting.Nats\Aspire.Hosting.Nats.csproj" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <Compile Include="$(RepoRoot)src\Aspire.Hosting.Nats\NatsContainerImageTags.cs" /> | ||
| <Compile Include="$(SharedDir)VolumeNameGenerator.cs" Link="Utils\VolumeNameGenerator.cs" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| using Aspire.Components.Common.Tests; | ||
| using Aspire.Hosting.Utils; | ||
| using Xunit; | ||
| using Xunit.Abstractions; | ||
| using Microsoft.Extensions.Logging; | ||
| using Polly; | ||
| using Microsoft.Extensions.Hosting; | ||
| using Microsoft.Extensions.Configuration; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
| using NATS.Client.Core; | ||
| using NATS.Client.JetStream; | ||
| using NATS.Client.JetStream.Models; | ||
| namespace Aspire.Hosting.Nats.Tests; | ||
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| public class NatsFunctionalTests(ITestOutputHelper testOutputHelper) | ||
| { | ||
| [Fact] | ||
| [RequiresDocker] | ||
| public async Task VerifyNatsResource() | ||
| { | ||
| var cts = new CancellationTokenSource(TimeSpan.FromMinutes(5)); | ||
| var pipeline = new ResiliencePipelineBuilder() | ||
| .AddRetry(new() { MaxRetryAttempts = 10, Delay = TimeSpan.FromSeconds(2) }) | ||
| .Build(); | ||
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| var builder = CreateDistributedApplicationBuilder(); | ||
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| var nats = builder.AddNats("nats"); | ||
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| using var app = builder.Build(); | ||
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| await app.StartAsync(); | ||
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| var hb = Host.CreateApplicationBuilder(); | ||
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| hb.Configuration.AddInMemoryCollection(new Dictionary<string, string?> | ||
| { | ||
| [$"ConnectionStrings:{nats.Resource.Name}"] = await nats.Resource.ConnectionStringExpression.GetValueAsync(default) | ||
| }); | ||
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| hb.AddNatsClient(nats.Resource.Name); | ||
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| using var host = hb.Build(); | ||
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| await host.StartAsync(); | ||
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| await pipeline.ExecuteAsync(async token => | ||
| { | ||
| var natsConnection = host.Services.GetRequiredService<INatsConnection>(); | ||
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| var rtt = await natsConnection.PingAsync(token); | ||
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| }, cts.Token); | ||
| } | ||
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| [Theory] | ||
| [InlineData(true)] | ||
| [InlineData(false)] | ||
| [RequiresDocker] | ||
| public async Task WithDataShouldPersistStateBetweenUsages(bool useVolume) | ||
| { | ||
| var cts = new CancellationTokenSource(TimeSpan.FromMinutes(3)); | ||
| var streamName = "test-stream"; | ||
| var subjectName = "test-subject"; | ||
| string? volumeName = null; | ||
| string? bindMountPath = null; | ||
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| try | ||
| { | ||
| var builder1 = CreateDistributedApplicationBuilder(); | ||
| var nats1 = builder1.AddNats("nats") | ||
| .WithJetStream(); | ||
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| if (useVolume) | ||
| { | ||
| // Use a deterministic volume name to prevent them from exhausting the machines if deletion fails | ||
| volumeName = VolumeNameGenerator.CreateVolumeName(nats1, nameof(WithDataShouldPersistStateBetweenUsages)); | ||
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| // if the volume already exists (because of a crashing previous run), try to delete it | ||
| DockerUtils.AttemptDeleteDockerVolume(volumeName); | ||
| nats1.WithDataVolume(volumeName); | ||
| } | ||
| else | ||
| { | ||
| bindMountPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()); | ||
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| nats1.WithDataBindMount(bindMountPath); | ||
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| } | ||
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| using (var app = builder1.Build()) | ||
| { | ||
| await app.StartAsync(); | ||
| try | ||
| { | ||
| var hb = Host.CreateApplicationBuilder(); | ||
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| hb.Configuration.AddInMemoryCollection(new Dictionary<string, string?> | ||
| { | ||
| [$"ConnectionStrings:{nats1.Resource.Name}"] = await nats1.Resource.ConnectionStringExpression.GetValueAsync(default) | ||
| }); | ||
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| hb.AddNatsClient("nats", configureOptions: opts => | ||
| { | ||
| var jsonRegistry = new NatsJsonContextSerializerRegistry(AppJsonContext.Default); | ||
| return opts with { SerializerRegistry = jsonRegistry }; | ||
| }); | ||
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| hb.AddNatsJetStream(); | ||
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| using (var host = hb.Build()) | ||
| { | ||
| await host.StartAsync(); | ||
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| var pipeline = new ResiliencePipelineBuilder() | ||
| .AddRetry(new() { MaxRetryAttempts = 10, Delay = TimeSpan.FromSeconds(1), ShouldHandle = new PredicateBuilder().Handle<NatsException>() }) | ||
| .Build(); | ||
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| await pipeline.ExecuteAsync(async token => | ||
| { | ||
| var jetStream = host.Services.GetRequiredService<INatsJSContext>(); | ||
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| var stream = await jetStream.CreateStreamAsync(new StreamConfig(streamName, [subjectName]), cancellationToken: token); | ||
| var name = stream.Info.Config.Name; | ||
| Assert.Equal(streamName, stream.Info.Config.Name); | ||
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| for (var i = 0; i < 10; i++) | ||
| { | ||
| var appEvent = new AppEvent(subjectName, $"test-event-{i}", $"test-event-description-{i}", i); | ||
| var ack = await jetStream.PublishAsync(appEvent.Subject, appEvent, cancellationToken: token); | ||
| ack.EnsureSuccess(); | ||
| } | ||
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| }, cts.Token); | ||
| } | ||
| } | ||
| finally | ||
| { | ||
| // Stops the container, or the Volume/mount would still be in use | ||
| await app.StopAsync(); | ||
| } | ||
| } | ||
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| var builder2 = CreateDistributedApplicationBuilder(); | ||
| var nats2 = builder2.AddNats("nats") | ||
| .WithJetStream(); | ||
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| if (useVolume) | ||
| { | ||
| nats2.WithDataVolume(volumeName); | ||
| } | ||
| else | ||
| { | ||
| nats2.WithDataBindMount(bindMountPath!); | ||
| } | ||
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| using (var app = builder2.Build()) | ||
| { | ||
| await app.StartAsync(); | ||
| try | ||
| { | ||
| var hb = Host.CreateApplicationBuilder(); | ||
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| hb.Configuration.AddInMemoryCollection(new Dictionary<string, string?> | ||
| { | ||
| [$"ConnectionStrings:{nats2.Resource.Name}"] = await nats2.Resource.ConnectionStringExpression.GetValueAsync(default) | ||
| }); | ||
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| hb.AddNatsClient("nats", configureOptions: opts => | ||
| { | ||
| var jsonRegistry = new NatsJsonContextSerializerRegistry(AppJsonContext.Default); | ||
| return opts with { SerializerRegistry = jsonRegistry }; | ||
| }); | ||
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| hb.AddNatsJetStream(); | ||
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| using (var host = hb.Build()) | ||
| { | ||
| await host.StartAsync(); | ||
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| var pipeline = new ResiliencePipelineBuilder() | ||
| .AddRetry(new() { MaxRetryAttempts = 10, Delay = TimeSpan.FromSeconds(1), ShouldHandle = new PredicateBuilder().Handle<NatsException>() }) | ||
| .Build(); | ||
| await pipeline.ExecuteAsync(async token => | ||
| { | ||
| var jetStream = host.Services.GetRequiredService<INatsJSContext>(); | ||
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| var stream = await jetStream.GetStreamAsync(streamName, cancellationToken: token); | ||
| var consumer = await stream.CreateOrderedConsumerAsync(cancellationToken: token); | ||
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| var events = new List<AppEvent>(); | ||
| await foreach (var msg in consumer.ConsumeAsync<AppEvent>(cancellationToken: token)) | ||
| { | ||
| events.Add(msg.Data!); | ||
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| if (msg.Metadata?.NumPending == 0) | ||
| { | ||
| break; | ||
| } | ||
| } | ||
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| foreach (var item in events.Select((appEvent, i) => new { i, appEvent })) | ||
| { | ||
| Assert.Equal($"test-event-{item.i}", item.appEvent.Name); | ||
| Assert.Equal($"test-event-description-{item.i}", item.appEvent.Description); | ||
| } | ||
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| }); | ||
| } | ||
| } | ||
| finally | ||
| { | ||
| // Stops the container, or the Volume/mount would still be in use | ||
| await app.StopAsync(); | ||
| } | ||
| } | ||
| } | ||
| finally | ||
| { | ||
| if (volumeName is not null) | ||
| { | ||
| DockerUtils.AttemptDeleteDockerVolume(volumeName); | ||
| } | ||
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| if (bindMountPath is not null) | ||
| { | ||
| try | ||
| { | ||
| Directory.Delete(bindMountPath, recursive: true); | ||
| } | ||
| catch | ||
| { | ||
| // Don't fail test if we can't clean the temporary folder | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private TestDistributedApplicationBuilder CreateDistributedApplicationBuilder() | ||
| { | ||
| var builder = TestDistributedApplicationBuilder.CreateWithTestContainerRegistry(); | ||
| builder.Services.AddXunitLogging(testOutputHelper); | ||
| return builder; | ||
| } | ||
| } | ||
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