public CorrelationIdHandlerTests()
{
_correlationIdAccessor = A.Fake <ICorrelationIdAccessor>();
_underTest = new CorrelationIdHandler(_correlationIdAccessor)
{
InnerHandler = new DummyInnerHandler()
};
_invoker = new HttpMessageInvoker(_underTest);
_request = new HttpRequestMessage(HttpMethod.Get, "http://foo.com");
}
public async Task ShouldSkipExecutionWhenNoProviderIsRegistered()
{
// Arrange
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
var sut = new CorrelationIdHandler();
// Act
var result = await InvokeAsync(sut, request);
// Assert
result.Should().BeEquivalentTo(request);
}
public async Task ShouldSkipExecutionWhenCorrelationIdIsNotProvided()
{
// Arrange
var correlationIdProvider = A.Fake <ICorrelationIdProvider>();
A.CallTo(() => correlationIdProvider.GetCorrelationId())
.Returns(null);
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
var sut = new CorrelationIdHandler(correlationIdProvider);
// Act
var result = await InvokeAsync(sut, request);
// Assert
result.RequestUri?.Query.Should().BeNullOrEmpty();
}
public async Task ShouldAddCorrelationIdAsQueryParameterWhenProvided()
{
// Arrange
const string correlationId = "myCorrelationId";
var correlationIdProvider = A.Fake <ICorrelationIdProvider>();
A.CallTo(() => correlationIdProvider.GetCorrelationId())
.Returns(correlationId);
var request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
var sut = new CorrelationIdHandler(correlationIdProvider);
// Act
var result = await InvokeAsync(sut, request);
// Assert
result.RequestUri?.Query.Should().Contain($"tag={correlationId}");
}
