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