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lmxopcua/tests/Server/ZB.MOM.WW.OtOpcUa.ControlPlane.Tests/Harness/ControlPlaneTestHarness.cs
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74 lines
2.9 KiB
C#

using Akka.Cluster;
using Akka.TestKit.Xunit2;
using Microsoft.EntityFrameworkCore;
using ZB.MOM.WW.OtOpcUa.Configuration;
namespace ZB.MOM.WW.OtOpcUa.ControlPlane.Tests.Harness;
/// <summary>
/// Akka TestKit fixture for ControlPlane actor tests. Provides:
/// - A test ActorSystem (xunit2 TestKit) wired with PubSub/Cluster extensions.
/// - A fresh in-memory <see cref="OtOpcUaConfigDbContext"/> per harness instance.
/// - An <see cref="IDbContextFactory{TContext}"/> the actors can hold.
///
/// One harness per test fact — InMemory provider gives strong isolation when the database
/// name is unique (random Guid).
/// </summary>
public abstract class ControlPlaneActorTestBase : TestKit
{
/// <summary>Gets the Akka configuration for test actors, including cluster and pub-sub extensions.</summary>
protected static string AkkaTestHocon => @"
akka {
loglevel = ""WARNING""
extensions = [
""Akka.Cluster.Tools.PublishSubscribe.DistributedPubSubExtensionProvider, Akka.Cluster.Tools""
]
actor {
provider = ""Akka.Cluster.ClusterActorRefProvider, Akka.Cluster""
}
remote.dot-netty.tcp {
hostname = ""127.0.0.1""
port = 0
}
cluster {
seed-nodes = []
roles = [""admin""]
min-nr-of-members = 1
run-coordinated-shutdown-when-down = off
pub-sub.role = """"
}
}";
/// <summary>Initializes a new instance of the test harness; joins the cluster and waits for up status.</summary>
protected ControlPlaneActorTestBase() : base(AkkaTestHocon)
{
// Self-join so the cluster transitions to Up and DistributedPubSub forms.
var cluster = Akka.Cluster.Cluster.Get(Sys);
cluster.Join(cluster.SelfAddress);
AwaitCondition(() => cluster.State.Members.Any(m => m.Status == MemberStatus.Up),
TimeSpan.FromSeconds(5));
}
/// <summary>Creates a new in-memory database context factory with an optional database name.</summary>
/// <param name="dbName">Optional database name; defaults to a random GUID if not provided.</param>
/// <returns>A context factory for creating in-memory config database contexts.</returns>
protected static IDbContextFactory<OtOpcUaConfigDbContext> NewInMemoryDbFactory(string? dbName = null)
{
dbName ??= Guid.NewGuid().ToString("N");
return new InMemoryConfigDbFactory(dbName);
}
private sealed class InMemoryConfigDbFactory(string dbName) : IDbContextFactory<OtOpcUaConfigDbContext>
{
/// <summary>Creates a new in-memory database context.</summary>
/// <returns>A new OtOpcUaConfigDbContext instance.</returns>
public OtOpcUaConfigDbContext CreateDbContext()
{
var opts = new DbContextOptionsBuilder<OtOpcUaConfigDbContext>()
.UseInMemoryDatabase(dbName)
.Options;
return new OtOpcUaConfigDbContext(opts);
}
}
}