public async Task Emits_WhenKeepingIncomingHeaderButCorrelationIdGenerated_ExpectCorrelationIdEmittedWithPredefinedHeader()
{
// arrange
var headerName = "X-Incoming-Request-Id";
var options = CreateEmitOptions(PropagationSettings.KeepIncomingHeaderName(headerName));
var httpContext = new DefaultHttpContext();
var correlationContext = new GeneratedCorrelationContext(CorrelationId.FromString("123"));
// act
var emitter = new CorrelationEmitter(options, _logger);
await emitter
.Emit(httpContext, correlationContext)
.ConfigureAwait(false);
// assert
Assert.Contains(headerName, httpContext.Response.Headers);
Assert.Equal("123", httpContext.Response.Headers[headerName].ToString());
}
public async Task Emits_WhenNoEmit_ExpectNoCorrelationIdEmitted()
{
// arrange
var incomingHeader = HttpHeaders.AspNetRequestId;
var options = CreateEmitOptions(PropagationSettings.NoPropagation);
var httpContext = new DefaultHttpContext();
var correlationContext = new RequestCorrelationContext(
CorrelationId.FromString("123"),
incomingHeader);
// act
var emitter = new CorrelationEmitter(options, _logger);
await emitter
.Emit(httpContext, correlationContext)
.ConfigureAwait(false);
// assert
Assert.DoesNotContain(incomingHeader, httpContext.Response.Headers);
}
public async Task Emits_WhenEmmitingUsingCustomHeader_ExpectCorrelationIdEmittedWithPredefinedHeader()
{
// arrange
var incomingHeader = HttpHeaders.AspNetRequestId;
var outgoingHeader = "X-Le-Custom-Request-Id";
var options = CreateEmitOptions(PropagationSettings.PropagateAs(outgoingHeader));
var httpContext = new DefaultHttpContext();
var correlationContext = new RequestCorrelationContext(
CorrelationId.FromString("123"),
incomingHeader);
// act
var emitter = new CorrelationEmitter(options, _logger);
await emitter
.Emit(httpContext, correlationContext)
.ConfigureAwait(false);
// assert
Assert.Contains(outgoingHeader, httpContext.Response.Headers);
Assert.Equal("123", httpContext.Response.Headers[outgoingHeader]);
}