Files
lmxopcua/tests/Core/ZB.MOM.WW.OtOpcUa.Core.Abstractions.Tests/DriverHealthTests.cs
T
Joseph Doherty 64e3fbe035
v2-ci / build (push) Failing after 1m43s
v2-ci / unit-tests (tests/Core/ZB.MOM.WW.OtOpcUa.Cluster.Tests) (push) Has been skipped
v2-ci / unit-tests (tests/Server/ZB.MOM.WW.OtOpcUa.ControlPlane.Tests) (push) Has been skipped
v2-ci / unit-tests (tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.Tests) (push) Has been skipped
v2-ci / unit-tests (tests/Server/ZB.MOM.WW.OtOpcUa.Runtime.Tests) (push) Has been skipped
v2-ci / unit-tests (tests/Server/ZB.MOM.WW.OtOpcUa.Security.Tests) (push) Has been skipped
v2-ci / integration (tests/Server/ZB.MOM.WW.OtOpcUa.Host.IntegrationTests) (push) Has been skipped
v2-ci / integration (tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests) (push) Has been skipped
docs: backfill XML documentation across 756 files
Adds <summary>, <param>, <typeparam>, and <inheritdoc/> tags to public
members surfaced by commentchecker — resolves 5,847 of 5,869 issues
(99.6%) across three /fixdocs passes.
2026-05-28 08:10:17 -04:00

55 lines
2.5 KiB
C#

using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;
namespace ZB.MOM.WW.OtOpcUa.Core.Abstractions.Tests;
/// <summary>
/// Covers <see cref="DriverHealth"/> shape invariants — added to lock down the documented
/// contract after Core.Abstractions-008 reworded the <c>LastError</c> remark.
/// </summary>
public sealed class DriverHealthTests
{
/// <summary>
/// Core.Abstractions-008: <c>DriverHealth.LastError</c> is not constrained by the
/// <c>State</c> enum — a Healthy driver may legitimately retain the last error from a
/// recovered failure (for diagnostics), and Degraded / Reconnecting / Faulted states may
/// all carry a non-null message. The old XML doc "null when state is Healthy" was wrong;
/// this test makes the type's actual contract explicit so future doc churn cannot drift.
/// </summary>
/// <param name="state">The driver state to test.</param>
[Theory]
[InlineData(DriverState.Unknown)]
[InlineData(DriverState.Initializing)]
[InlineData(DriverState.Healthy)]
[InlineData(DriverState.Degraded)]
[InlineData(DriverState.Reconnecting)]
[InlineData(DriverState.Faulted)]
public void LastError_IsIndependent_OfState(DriverState state)
{
var healthWithError = new DriverHealth(state, LastSuccessfulRead: DateTime.UtcNow, LastError: "earlier failure");
var healthWithoutError = new DriverHealth(state, LastSuccessfulRead: DateTime.UtcNow, LastError: null);
// Both shapes are constructible regardless of state — the type makes no enforcement.
healthWithError.LastError.ShouldBe("earlier failure");
healthWithoutError.LastError.ShouldBeNull();
healthWithError.State.ShouldBe(state);
healthWithoutError.State.ShouldBe(state);
}
/// <summary>Verifies that DriverState enum contains all expected members.</summary>
[Fact]
public void DriverState_EnumContainsExpectedMembers()
{
// Pins the enum so finding-008's "more than Healthy can carry an error" claim
// does not bit-rot.
var names = Enum.GetNames<DriverState>();
names.ShouldContain(nameof(DriverState.Unknown));
names.ShouldContain(nameof(DriverState.Initializing));
names.ShouldContain(nameof(DriverState.Healthy));
names.ShouldContain(nameof(DriverState.Degraded));
names.ShouldContain(nameof(DriverState.Reconnecting));
names.ShouldContain(nameof(DriverState.Faulted));
}
}