How to make a HttpClient request to TestServer instead of using TestServer.GetTestClient()

Sudhir Kumbhare 1

I have built a unit test project in .NET Core 5.0 to test my API's. I have created a test server using HostBuilder. In my unit testing class I am calling an API using
HttpClient client;
client = TestServer.GetTestClient(); in all methods. It' working and no issues.

But in couple of unit test methods when request goes to BL(Business logic level) I need to make a call to TestServer to get the token then the actual problem starts. I can't make a call using Httpclient without using TestServer.GetTestClient() because if I do that it says the hosting server have actively refused to connect. And I can't make a call using TestServer.GetTestClient() because it will be a cyclic dependency on main project.

Is there a way to call TestServer using only Httpclient without using TestServer.GetTestClient()?

Michael Wang-MSFT 1,051 Reputation points

2021-03-18T08:03:07.807+00:00

@Hi, SudhirKumbhare-5927, why did you test BL(Business logic level) with TestServer? You could create a UnitTest for BL with fake token.
Wannenmacher, Michael 1 Reputation point

2021-09-24T14:44:28.95+00:00

II know this problem too. If you make a subcall (httpClient call) in a controller to a second URL in the same controller it doesn't work. In my example I call a URL for a "list of <objectType>" with the TestClient and it works. But in this function I have a foreach loop over all single elements where I call a second URL "do job for <objectType> with a HttpClient. All these calls failed.

Is there a way to work with RestClient (RestSharp) to call a TestServer-URL?

Thank you very much in Advance for your help.