Files
lmxopcua/tests/Server/ZB.MOM.WW.OtOpcUa.ControlPlane.Tests/ServiceLevelCalculatorTests.cs

71 lines
2.3 KiB
C#

using Akka.Cluster;
using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.ControlPlane.Redundancy;
namespace ZB.MOM.WW.OtOpcUa.ControlPlane.Tests;
public sealed class ServiceLevelCalculatorTests
{
[Theory]
[InlineData(MemberStatus.Down)]
[InlineData(MemberStatus.Removed)]
[InlineData(MemberStatus.Exiting)]
[InlineData(MemberStatus.Leaving)]
public void NotUp_returns_zero(MemberStatus status)
{
var sl = ServiceLevelCalculator.Compute(new(status,
DbReachable: true, OpcUaProbeOk: true, Stale: false, IsDriverRoleLeader: true));
sl.ShouldBe((byte)0);
}
[Fact]
public void Fully_healthy_non_leader_returns_240()
{
var sl = ServiceLevelCalculator.Compute(new(MemberStatus.Up,
DbReachable: true, OpcUaProbeOk: true, Stale: false, IsDriverRoleLeader: false));
sl.ShouldBe((byte)240);
}
[Fact]
public void Fully_healthy_role_leader_returns_250()
{
var sl = ServiceLevelCalculator.Compute(new(MemberStatus.Up,
DbReachable: true, OpcUaProbeOk: true, Stale: false, IsDriverRoleLeader: true));
sl.ShouldBe((byte)250);
}
[Fact]
public void Db_reachable_but_stale_returns_200()
{
var sl = ServiceLevelCalculator.Compute(new(MemberStatus.Up,
DbReachable: true, OpcUaProbeOk: true, Stale: true, IsDriverRoleLeader: false));
sl.ShouldBe((byte)200);
}
[Fact]
public void Db_unreachable_and_stale_returns_100()
{
var sl = ServiceLevelCalculator.Compute(new(MemberStatus.Up,
DbReachable: false, OpcUaProbeOk: false, Stale: true, IsDriverRoleLeader: false));
sl.ShouldBe((byte)100);
}
[Fact]
public void Opcua_probe_fail_when_not_stale_returns_zero()
{
// (DbReachable=true, OpcUaProbeOk=false, Stale=false) falls through to the catch-all 0.
var sl = ServiceLevelCalculator.Compute(new(MemberStatus.Up,
DbReachable: true, OpcUaProbeOk: false, Stale: false, IsDriverRoleLeader: false));
sl.ShouldBe((byte)0);
}
[Fact]
public void Joining_member_is_treated_like_Up_for_grading()
{
var sl = ServiceLevelCalculator.Compute(new(MemberStatus.Joining,
DbReachable: true, OpcUaProbeOk: true, Stale: false, IsDriverRoleLeader: false));
sl.ShouldBe((byte)240);
}
}