59 lines
2.1 KiB
C#
59 lines
2.1 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Options;
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namespace ScadaLink.ClusterInfrastructure.Tests;
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/// <summary>
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/// CI-002: Tests that the DI extension methods do real work rather than
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/// silently returning success. <see cref="ServiceCollectionExtensions.AddClusterInfrastructure"/>
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/// must register the <see cref="ClusterOptionsValidator"/> so misconfiguration
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/// fails fast, and the unimplemented actor-registration placeholder must fail
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/// loudly rather than masquerade as a completed registration.
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/// </summary>
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public class ServiceCollectionExtensionsTests
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{
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[Fact]
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public void AddClusterInfrastructure_RegistersOptionsValidator()
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{
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var services = new ServiceCollection();
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services.AddClusterInfrastructure();
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var validators = services
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.Where(d => d.ServiceType == typeof(IValidateOptions<ClusterOptions>))
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.ToList();
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Assert.NotEmpty(validators);
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using var provider = services.BuildServiceProvider();
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var validator = provider.GetService<IValidateOptions<ClusterOptions>>();
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Assert.IsType<ClusterOptionsValidator>(validator);
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}
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[Fact]
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public void AddClusterInfrastructure_ValidatorRejectsBadOptionsAtResolution()
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{
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var services = new ServiceCollection();
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services.AddClusterInfrastructure();
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// A MinNrOfMembers of 2 blocks the cluster singleton after failover.
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services.Configure<ClusterOptions>(o =>
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{
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o.SeedNodes = new List<string> { "akka.tcp://scadalink@node1:8081" };
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o.MinNrOfMembers = 2;
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});
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using var provider = services.BuildServiceProvider();
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var ex = Assert.Throws<OptionsValidationException>(
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() => provider.GetRequiredService<IOptions<ClusterOptions>>().Value);
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Assert.Contains("MinNrOfMembers", ex.Message);
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}
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[Fact]
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public void AddClusterInfrastructureActors_ThrowsRatherThanSilentlySucceeding()
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{
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var services = new ServiceCollection();
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Assert.Throws<NotImplementedException>(() => services.AddClusterInfrastructureActors());
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}
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}
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