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lmxopcua/tests/Server/ZB.MOM.WW.OtOpcUa.Host.IntegrationTests/ClusterFormationTests.cs
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46 lines
1.7 KiB
C#

using Akka.Cluster;
using Shouldly;
using Xunit;
namespace ZB.MOM.WW.OtOpcUa.Host.IntegrationTests;
/// <summary>
/// Smoke test: verifies <see cref="TwoNodeClusterHarness"/> boots two nodes and they form
/// a 2-member cluster with the expected role topology. Failover + deploy scenarios layer
/// on top in Task 59.
/// </summary>
public sealed class ClusterFormationTests
{
/// <summary>Verifies that two nodes form a 2-member cluster.</summary>
[Fact]
public async Task Two_nodes_form_a_2_member_cluster()
{
await using var harness = await TwoNodeClusterHarness.StartAsync();
var aCluster = Akka.Cluster.Cluster.Get(harness.NodeASystem);
var bCluster = Akka.Cluster.Cluster.Get(harness.NodeBSystem);
aCluster.State.Members.Count(m => m.Status == MemberStatus.Up).ShouldBe(2);
bCluster.State.Members.Count(m => m.Status == MemberStatus.Up).ShouldBe(2);
var aRoles = aCluster.State.Members.SelectMany(m => m.Roles).Distinct().ToHashSet();
aRoles.ShouldContain("admin");
aRoles.ShouldContain("driver");
}
/// <summary>Verifies that both nodes see each other as role members.</summary>
[Fact]
public async Task Both_nodes_see_each_other_as_role_members()
{
await using var harness = await TwoNodeClusterHarness.StartAsync();
var aCluster = Akka.Cluster.Cluster.Get(harness.NodeASystem);
aCluster.State.Members
.Where(m => m.Roles.Contains("driver") && m.Status == MemberStatus.Up)
.Count().ShouldBe(2);
aCluster.State.Members
.Where(m => m.Roles.Contains("admin") && m.Status == MemberStatus.Up)
.Count().ShouldBe(2);
}
}