public void GetMethod()
{
var features = new Mock <IFeatureCollection>(MockBehavior.Strict);
features
.Setup(f => f.Get <IEndpointFeature>())
.Returns((IEndpointFeature)null !);
var context = new Mock <HttpContext>(MockBehavior.Strict);
context
.SetupGet(c => c.Features)
.Returns(features.Object);
_sut.GetMethod(context.Object).ShouldBeNull();
var feature = new Mock <IEndpointFeature>(MockBehavior.Strict);
feature
.SetupGet(f => f.Endpoint)
.Returns((Endpoint)null !);
features
.Setup(f => f.Get <IEndpointFeature>())
.Returns(feature.Object);
_sut.GetMethod(context.Object).ShouldBeNull();
var endpoint = new Endpoint(null !, new EndpointMetadataCollection(), "s");
feature
.SetupGet(f => f.Endpoint)
.Returns(endpoint);
_sut.GetMethod(context.Object).ShouldBeNull();
var method = new Mock <IMethod>(MockBehavior.Strict);
var metadata = new GrpcMethodMetadata(typeof(IDisposable), method.Object);
endpoint = new Endpoint(null !, new EndpointMetadataCollection(metadata), "s");
feature
.SetupGet(f => f.Endpoint)
.Returns(endpoint);
_sut.GetMethod(context.Object).ShouldBe(method.Object);
}
public static void SetupHttpContext(DefaultHttpContext context, string expectedService,
string expectedMethod)
{
var method = Substitute.For <IMethod>();
method.ServiceName.Returns(expectedService);
method.Name.Returns(expectedMethod);
var metadata = new GrpcMethodMetadata(typeof(TestHelpers), method);
var endpoint = new Endpoint(_ => Task.CompletedTask, new EndpointMetadataCollection(metadata), "gRPC");
var endpointFeature = Substitute.For <IEndpointFeature>();
endpointFeature.Endpoint.Returns(endpoint);
context.Features[typeof(IEndpointFeature)] = endpointFeature;
}
protected TChild CreateChild(HttpContext context, GrpcMethodMetadata metadata)
{
var labelValues = new string[_metric.LabelNames.Length];
for (var i = 0; i < labelValues.Length; i++)
{
switch (_metric.LabelNames[i])
{
case GrpcRequestLabelNames.Service:
labelValues[i] = metadata.Method.ServiceName;
break;
case GrpcRequestLabelNames.Method:
labelValues[i] = metadata.Method.Name;
break;
default:
throw new NotSupportedException($"Unexpected label name on {_metric.Name}: {_metric.LabelNames[i]}");
}
}
return(_metric.WithLabels(labelValues));
}