Files
scadalink-design/tests/ScadaLink.Communication.Tests/Grpc/ProtoContractTests.cs

80 lines
2.8 KiB
C#

using Google.Protobuf.WellKnownTypes;
using ScadaLink.Communication.Grpc;
namespace ScadaLink.Communication.Tests.Grpc;
/// <summary>
/// Guardrail tests that verify all oneof variants in SiteStreamEvent have
/// corresponding conversion handlers. Adding a new proto field without
/// implementing the conversion will cause these tests to fail.
/// </summary>
public class ProtoContractTests
{
/// <summary>
/// The set of EventOneofCase values we handle in ConvertToDomainEvent.
/// Update this array when adding a new oneof variant.
/// </summary>
private static readonly SiteStreamEvent.EventOneofCase[] HandledCases =
[
SiteStreamEvent.EventOneofCase.AttributeChanged,
SiteStreamEvent.EventOneofCase.AlarmChanged
];
[Fact]
public void AllOneofVariants_HaveConversionHandlers()
{
var allCases = System.Enum.GetValues<SiteStreamEvent.EventOneofCase>()
.Where(c => c != SiteStreamEvent.EventOneofCase.None)
.ToArray();
Assert.Equal(allCases.Length, HandledCases.Length);
foreach (var c in allCases)
Assert.Contains(c, HandledCases);
}
[Theory]
[InlineData(SiteStreamEvent.EventOneofCase.AttributeChanged)]
[InlineData(SiteStreamEvent.EventOneofCase.AlarmChanged)]
public void ConvertToDomainEvent_HandlesAllOneofVariants(SiteStreamEvent.EventOneofCase eventCase)
{
var evt = CreateTestEvent(eventCase);
var result = SiteStreamGrpcClient.ConvertToDomainEvent(evt);
Assert.NotNull(result);
}
private static SiteStreamEvent CreateTestEvent(SiteStreamEvent.EventOneofCase eventCase)
{
var ts = Timestamp.FromDateTimeOffset(DateTimeOffset.UtcNow);
return eventCase switch
{
SiteStreamEvent.EventOneofCase.AttributeChanged => new SiteStreamEvent
{
CorrelationId = "test",
AttributeChanged = new AttributeValueUpdate
{
InstanceUniqueName = "Site1.Inst1",
AttributePath = "Path",
AttributeName = "Attr",
Value = "42",
Quality = Quality.Good,
Timestamp = ts
}
},
SiteStreamEvent.EventOneofCase.AlarmChanged => new SiteStreamEvent
{
CorrelationId = "test",
AlarmChanged = new AlarmStateUpdate
{
InstanceUniqueName = "Site1.Inst1",
AlarmName = "HighTemp",
State = AlarmStateEnum.AlarmStateActive,
Priority = 1,
Timestamp = ts
}
},
_ => throw new ArgumentOutOfRangeException(nameof(eventCase), eventCase, "Unhandled event case")
};
}
}