Joseph Doherty
44 lines
1.6 KiB
C#
44 lines
1.6 KiB
C#
using Shouldly;
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using Xunit;
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using ZB.MOM.WW.OtOpcUa.Driver.AbCip;
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namespace ZB.MOM.WW.OtOpcUa.Driver.AbCip.Tests;
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/// <summary>
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/// CONV-4 — <see cref="AbCipDriver.ResolveHost"/> keys per-host resilience (bulkhead / circuit
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/// breaker). It must resolve an equipment-tag reference (raw TagConfig JSON) to its OWN device
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/// host, not fall back to the first device — otherwise a broken device B trips device A's
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/// breaker. Authored tags and unknown refs keep the current fallback.
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/// </summary>
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[Trait("Category", "Unit")]
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public sealed class AbCipResolveHostTests
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{
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private const string DeviceA = "ab://10.0.0.5/1,0";
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private const string DeviceB = "ab://10.0.0.6/1,0";
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private static AbCipDriver NewDriver() => new(
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new AbCipDriverOptions
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{
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Devices = [new AbCipDeviceOptions(DeviceA), new AbCipDeviceOptions(DeviceB)],
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Probe = new AbCipProbeOptions { Enabled = false },
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},
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"abcip-1", new FakeAbCipTagFactory());
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/// <summary>An equipment-tag ref naming device B resolves to device B's host, not the first device.</summary>
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[Fact]
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public void ResolveHost_EquipmentTagRef_ReturnsItsOwnDeviceHost()
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{
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var drv = NewDriver();
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var json = $$"""{"deviceHostAddress":"{{DeviceB}}","tagPath":"Motor1.Speed","dataType":"DInt"}""";
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drv.ResolveHost(json).ShouldBe(DeviceB);
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}
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/// <summary>An unresolvable ref keeps the current first-device fallback.</summary>
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[Fact]
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public void ResolveHost_UnknownRef_KeepsCurrentFallback()
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{
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var drv = NewDriver();
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drv.ResolveHost("totally-unknown").ShouldBe(DeviceA);
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}
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}
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