Bunit.TestDoubles.MissingMockHttpClientException

[GunnarPiho]

When upgrading from Radzen.Blazor 5.1.3 to version 5.1.4, I am getting Bunit.TestDoubles.MissingMockHttpClientException in my TestInitialize

[TestInitialize] public override void TestInitialize() {
    base.TestInitialize();
    testContext = new TestContext();
    var c = new TView();
    component = testContext.RenderComponent<MockEditItem<TView>>(parameterBuilder => {
        parameterBuilder.Add(p => p.Item, c);
        parameterBuilder.Add(p => p.IsAdminView, false);
        parameterBuilder.Add(p => p.EditDlg, typeof(TEditor));
    });
    markup = component.Markup;
}

[linkdotnet]

Hey - I am not sure we can help here much, especially with the limited information we have.
We would need at least some idea about the component under test. I tried to check we Radzen.Blazor uses a HttpClient and I don't see any usage, so it might be related to a combination of Radzen and your component.

Maybe two things:

1. You might want to update to the latest Radzen.Blazor Version (as of now: 5.1.11).
2. If you suspect they changed something, you should reach out on their GitHub repository.

bUnit registers a fake HttpClient, which throws on every request. That is the exception you are seeing. Normally, you don't want to make real HTTP calls in a unit-testing scenario. Of course you can just overwrite this, if you want.