ASPNetCore Web API integration tests using Test Host or WebApplicationFactory

Question

I am writing Integration Test for an ASPNetCore web API project. While reading about it I came across two terminologies, first is

Microsoft.AspNetCore.Mvc.Testing.WebApplicationFactory

and second is

Microsoft.AspNetCore.TestHost

References:

I am a little confused, why and which kind of setup I should use to test Web API controllers?

@kvuong Yes, I am following an older approach (TestHost) because I had my startup class in another assembly (internal) and I had been exposing IWebHostBuilder to my API project. So, in that case, I could not able to use WebApplicationFactory which takes Startup.cs class. And as I have IWebHostBuilder reference I could directly use TestServer(IWebHostBuilder) to create the test client. Hope it will help you. — kiran
– kiran, Commented Dec 17, 2018 at 12:10
I believe, the former mate is the replacement approach to the latter. This is according to the latest blogs from MightySoft. — IbrarMumtaz
– IbrarMumtaz, Commented Mar 1, 2019 at 12:02

Dharman · Accepted Answer · 2020-11-12 09:22:58Z

3

I am following an older approach (TestHost)

because I had my startup class in another assembly (internal) and I had been exposing IWebHostBuilder to my API project. So, in that case, I could not able to use WebApplicationFactory which takes Startup.cs class. And as I have an IWebHostBuilder reference I could directly use TestServer(IWebHostBuilder) to create the test client.

edited Nov 12, 2020 at 9:22

Dharman♦

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answered Nov 12, 2020 at 9:17

kiran

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1 Comment

Hasan Kanaan Over a year ago

can you help me with this issue please ? stackoverflow.com/questions/78720994/…

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